[ 437.716902][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 437.717259][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 437.717259][ T10] netdev_get_by_index+0x5e/0x80 [ 437.717259][ T10] fib6_nh_init+0x3d8/0x1580 [ 437.717259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 437.717259][ T10] ip6_route_add+0x1c/0x140 [ 437.717259][ T10] addrconf_prefix_route+0x2a6/0x430 [ 437.717259][ T10] inet6_addr_add+0x4f8/0xa40 [ 437.717259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 437.717259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.717259][ T10] netlink_rcv_skb+0x130/0x360 [ 437.717259][ T10] netlink_unicast+0x449/0x710 [ 437.717259][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.717259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.717259][ T10] ___sys_sendmsg+0xee/0x170 [ 437.717259][ T10] __sys_sendmsg+0xcd/0x170 [ 437.717259][ T10] do_syscall_64+0xc6/0x1e0 [ 437.717259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 437.717259][ T10] [ 437.719564][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 437.719564][ T10] netdev_get_by_index+0x5e/0x80 [ 437.719564][ T10] fib6_nh_init+0x3d8/0x1580 [ 437.719564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 437.719564][ T10] addrconf_f6i_alloc+0x315/0x560 [ 437.719564][ T10] ipv6_add_addr+0x411/0x2000 [ 437.719564][ T10] inet6_addr_add+0x30e/0xa40 [ 437.719564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 437.719564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.719564][ T10] netlink_rcv_skb+0x130/0x360 [ 437.719564][ T10] netlink_unicast+0x449/0x710 [ 437.719564][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.719564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.719564][ T10] ___sys_sendmsg+0xee/0x170 [ 437.719564][ T10] __sys_sendmsg+0xcd/0x170 [ 437.719564][ T10] do_syscall_64+0xc6/0x1e0 [ 437.719564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 437.719564][ T10] [ 437.721821][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 437.721821][ T10] netdev_get_by_index+0x5e/0x80 [ 437.721821][ T10] fib6_nh_init+0x3d8/0x1580 [ 437.721821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 437.721821][ T10] ip6_route_add+0x1c/0x140 [ 437.721821][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 437.721821][ T10] addrconf_add_dev+0xe2/0x170 [ 437.721821][ T10] inet6_addr_add+0x12f/0xa40 [ 437.721821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 437.721821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.721821][ T10] netlink_rcv_skb+0x130/0x360 [ 437.721821][ T10] netlink_unicast+0x449/0x710 [ 437.721821][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.721821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.721821][ T10] ___sys_sendmsg+0xee/0x170 [ 437.721821][ T10] __sys_sendmsg+0xcd/0x170 [ 437.721821][ T10] do_syscall_64+0xc6/0x1e0 [ 437.721821][ T10] [ 437.724041][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 437.724041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 437.724041][ T10] ipv6_find_idev+0x102/0x170 [ 437.724041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 437.724041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.724041][ T10] netlink_rcv_skb+0x130/0x360 [ 437.724041][ T10] netlink_unicast+0x449/0x710 [ 437.724041][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.724041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.724041][ T10] ___sys_sendmsg+0xee/0x170 [ 437.724041][ T10] __sys_sendmsg+0xcd/0x170 [ 437.724041][ T10] do_syscall_64+0xc6/0x1e0 [ 437.724041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 437.724041][ T10] [ 437.725770][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 437.725770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 437.725770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 437.725770][ T10] ipv6_find_idev+0x102/0x170 [ 437.725770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 437.725770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.725770][ T10] netlink_rcv_skb+0x130/0x360 [ 437.725770][ T10] netlink_unicast+0x449/0x710 [ 437.725770][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.725770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.725770][ T10] ___sys_sendmsg+0xee/0x170 [ 437.725770][ T10] __sys_sendmsg+0xcd/0x170 [ 437.725770][ T10] do_syscall_64+0xc6/0x1e0 [ 437.725770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 437.725770][ T10] [ 437.727618][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 437.727915][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 437.727915][ T10] netdev_get_by_index+0x5e/0x80 [ 437.727915][ T10] fib6_nh_init+0x3d8/0x1580 [ 437.727915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 437.727915][ T10] ip6_route_add+0x1c/0x140 [ 437.727915][ T10] addrconf_prefix_route+0x2a6/0x430 [ 437.727915][ T10] inet6_addr_add+0x4f8/0xa40 [ 437.727915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 437.727915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.727915][ T10] netlink_rcv_skb+0x130/0x360 [ 437.727915][ T10] netlink_unicast+0x449/0x710 [ 437.727915][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.727915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.727915][ T10] ___sys_sendmsg+0xee/0x170 [ 437.727915][ T10] __sys_sendmsg+0xcd/0x170 [ 437.727915][ T10] do_syscall_64+0xc6/0x1e0 [ 437.727915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 437.727915][ T10] [ 437.730391][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 437.730391][ T10] netdev_get_by_index+0x5e/0x80 [ 437.730391][ T10] fib6_nh_init+0x3d8/0x1580 [ 437.730391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 437.730391][ T10] addrconf_f6i_alloc+0x315/0x560 [ 437.730391][ T10] ipv6_add_addr+0x411/0x2000 [ 437.730391][ T10] inet6_addr_add+0x30e/0xa40 [ 437.730391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 437.730391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.730391][ T10] netlink_rcv_skb+0x130/0x360 [ 437.730391][ T10] netlink_unicast+0x449/0x710 [ 437.730391][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.730391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.730391][ T10] ___sys_sendmsg+0xee/0x170 [ 437.730391][ T10] __sys_sendmsg+0xcd/0x170 [ 437.730391][ T10] do_syscall_64+0xc6/0x1e0 [ 437.730391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 437.730391][ T10] [ 437.733804][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 437.733804][ T10] netdev_get_by_index+0x5e/0x80 [ 437.733804][ T10] fib6_nh_init+0x3d8/0x1580 [ 437.733804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 437.733804][ T10] ip6_route_add+0x1c/0x140 [ 437.733804][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 437.733804][ T10] addrconf_add_dev+0xe2/0x170 [ 437.733804][ T10] inet6_addr_add+0x12f/0xa40 [ 437.733804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 437.733804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.733804][ T10] netlink_rcv_skb+0x130/0x360 [ 437.733804][ T10] netlink_unicast+0x449/0x710 [ 437.733804][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.733804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.733804][ T10] ___sys_sendmsg+0xee/0x170 [ 437.733804][ T10] __sys_sendmsg+0xcd/0x170 [ 437.733804][ T10] do_syscall_64+0xc6/0x1e0 [ 437.733804][ T10] [ 437.737165][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 437.737165][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 437.737165][ T10] ipv6_find_idev+0x102/0x170 [ 437.737165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 437.737165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.737165][ T10] netlink_rcv_skb+0x130/0x360 [ 437.737165][ T10] netlink_unicast+0x449/0x710 [ 437.737165][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.737165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.737165][ T10] ___sys_sendmsg+0xee/0x170 [ 437.737165][ T10] __sys_sendmsg+0xcd/0x170 [ 437.737165][ T10] do_syscall_64+0xc6/0x1e0 [ 437.737165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 437.737165][ T10] [ 437.739891][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 437.739891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 437.739891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 437.739891][ T10] ipv6_find_idev+0x102/0x170 [ 437.739891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 437.739891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.739891][ T10] netlink_rcv_skb+0x130/0x360 [ 437.739891][ T10] netlink_unicast+0x449/0x710 [ 437.739891][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.739891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.739891][ T10] ___sys_sendmsg+0xee/0x170 [ 437.739891][ T10] __sys_sendmsg+0xcd/0x170 [ 437.739891][ T10] do_syscall_64+0xc6/0x1e0 [ 437.739891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 437.739891][ T10] [ 437.742010][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 437.742283][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 437.742283][ T10] vlan_dev_init+0x97c/0xdd0 [ 437.742283][ T10] register_netdevice+0x4d3/0x1690 [ 437.742283][ T10] register_vlan_dev+0x162/0x4a0 [ 437.742283][ T10] vlan_newlink+0x393/0x610 [ 437.742283][ T10] rtnl_newlink_create+0x341/0x850 [ 437.742283][ T10] __rtnl_newlink+0xac9/0xd80 [ 437.742283][ T10] rtnl_newlink+0x63/0xa0 [ 437.742283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 437.742283][ T10] netlink_rcv_skb+0x130/0x360 [ 437.742283][ T10] netlink_unicast+0x449/0x710 [ 437.742283][ T10] netlink_sendmsg+0x723/0xbe0 [ 437.742283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 437.742283][ T10] ___sys_sendmsg+0xee/0x170 [ 437.742283][ T10] __sys_sendmsg+0xcd/0x170 [ 437.742283][ T10] do_syscall_64+0xc6/0x1e0 [ 437.742283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 437.742283][ T10] [ 447.748021][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 447.748506][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 447.748506][ T10] netdev_get_by_index+0x5e/0x80 [ 447.748506][ T10] fib6_nh_init+0x3d8/0x1580 [ 447.748506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 447.748506][ T10] ip6_route_add+0x1c/0x140 [ 447.748506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 447.748506][ T10] inet6_addr_add+0x4f8/0xa40 [ 447.748506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 447.748506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.748506][ T10] netlink_rcv_skb+0x130/0x360 [ 447.748506][ T10] netlink_unicast+0x449/0x710 [ 447.748506][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.748506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.748506][ T10] ___sys_sendmsg+0xee/0x170 [ 447.748506][ T10] __sys_sendmsg+0xcd/0x170 [ 447.748506][ T10] do_syscall_64+0xc6/0x1e0 [ 447.748506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 447.748506][ T10] [ 447.750780][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 447.750780][ T10] netdev_get_by_index+0x5e/0x80 [ 447.750780][ T10] fib6_nh_init+0x3d8/0x1580 [ 447.750780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 447.750780][ T10] addrconf_f6i_alloc+0x315/0x560 [ 447.750780][ T10] ipv6_add_addr+0x411/0x2000 [ 447.750780][ T10] inet6_addr_add+0x30e/0xa40 [ 447.750780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 447.750780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.750780][ T10] netlink_rcv_skb+0x130/0x360 [ 447.750780][ T10] netlink_unicast+0x449/0x710 [ 447.750780][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.750780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.750780][ T10] ___sys_sendmsg+0xee/0x170 [ 447.750780][ T10] __sys_sendmsg+0xcd/0x170 [ 447.750780][ T10] do_syscall_64+0xc6/0x1e0 [ 447.750780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 447.750780][ T10] [ 447.753016][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 447.753016][ T10] netdev_get_by_index+0x5e/0x80 [ 447.753016][ T10] fib6_nh_init+0x3d8/0x1580 [ 447.753016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 447.753016][ T10] ip6_route_add+0x1c/0x140 [ 447.753016][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 447.753016][ T10] addrconf_add_dev+0xe2/0x170 [ 447.753016][ T10] inet6_addr_add+0x12f/0xa40 [ 447.753016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 447.753016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.753016][ T10] netlink_rcv_skb+0x130/0x360 [ 447.753016][ T10] netlink_unicast+0x449/0x710 [ 447.753016][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.753016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.753016][ T10] ___sys_sendmsg+0xee/0x170 [ 447.753016][ T10] __sys_sendmsg+0xcd/0x170 [ 447.753016][ T10] do_syscall_64+0xc6/0x1e0 [ 447.753016][ T10] [ 447.755206][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 447.755206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 447.755206][ T10] ipv6_find_idev+0x102/0x170 [ 447.755206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 447.755206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.755206][ T10] netlink_rcv_skb+0x130/0x360 [ 447.755206][ T10] netlink_unicast+0x449/0x710 [ 447.755206][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.755206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.755206][ T10] ___sys_sendmsg+0xee/0x170 [ 447.755206][ T10] __sys_sendmsg+0xcd/0x170 [ 447.755206][ T10] do_syscall_64+0xc6/0x1e0 [ 447.755206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 447.755206][ T10] [ 447.756965][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 447.756965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 447.756965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 447.756965][ T10] ipv6_find_idev+0x102/0x170 [ 447.756965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 447.756965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.756965][ T10] netlink_rcv_skb+0x130/0x360 [ 447.756965][ T10] netlink_unicast+0x449/0x710 [ 447.756965][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.756965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.756965][ T10] ___sys_sendmsg+0xee/0x170 [ 447.756965][ T10] __sys_sendmsg+0xcd/0x170 [ 447.756965][ T10] do_syscall_64+0xc6/0x1e0 [ 447.756965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 447.756965][ T10] [ 447.758820][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 447.759126][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 447.759126][ T10] netdev_get_by_index+0x5e/0x80 [ 447.759126][ T10] fib6_nh_init+0x3d8/0x1580 [ 447.759126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 447.759126][ T10] ip6_route_add+0x1c/0x140 [ 447.759126][ T10] addrconf_prefix_route+0x2a6/0x430 [ 447.759126][ T10] inet6_addr_add+0x4f8/0xa40 [ 447.759126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 447.759126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.759126][ T10] netlink_rcv_skb+0x130/0x360 [ 447.759126][ T10] netlink_unicast+0x449/0x710 [ 447.759126][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.759126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.759126][ T10] ___sys_sendmsg+0xee/0x170 [ 447.759126][ T10] __sys_sendmsg+0xcd/0x170 [ 447.759126][ T10] do_syscall_64+0xc6/0x1e0 [ 447.759126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 447.759126][ T10] [ 447.761331][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 447.761331][ T10] netdev_get_by_index+0x5e/0x80 [ 447.761331][ T10] fib6_nh_init+0x3d8/0x1580 [ 447.761331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 447.761331][ T10] addrconf_f6i_alloc+0x315/0x560 [ 447.761331][ T10] ipv6_add_addr+0x411/0x2000 [ 447.761331][ T10] inet6_addr_add+0x30e/0xa40 [ 447.761331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 447.761331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.761331][ T10] netlink_rcv_skb+0x130/0x360 [ 447.761331][ T10] netlink_unicast+0x449/0x710 [ 447.761331][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.761331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.761331][ T10] ___sys_sendmsg+0xee/0x170 [ 447.761331][ T10] __sys_sendmsg+0xcd/0x170 [ 447.761331][ T10] do_syscall_64+0xc6/0x1e0 [ 447.761331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 447.761331][ T10] [ 447.763529][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 447.763529][ T10] netdev_get_by_index+0x5e/0x80 [ 447.763529][ T10] fib6_nh_init+0x3d8/0x1580 [ 447.763529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 447.763529][ T10] ip6_route_add+0x1c/0x140 [ 447.763529][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 447.763529][ T10] addrconf_add_dev+0xe2/0x170 [ 447.763529][ T10] inet6_addr_add+0x12f/0xa40 [ 447.763529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 447.763529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.763529][ T10] netlink_rcv_skb+0x130/0x360 [ 447.763529][ T10] netlink_unicast+0x449/0x710 [ 447.763529][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.763529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.763529][ T10] ___sys_sendmsg+0xee/0x170 [ 447.763529][ T10] __sys_sendmsg+0xcd/0x170 [ 447.763529][ T10] do_syscall_64+0xc6/0x1e0 [ 447.763529][ T10] [ 447.765675][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 447.765675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 447.765675][ T10] ipv6_find_idev+0x102/0x170 [ 447.765675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 447.765675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.765675][ T10] netlink_rcv_skb+0x130/0x360 [ 447.765675][ T10] netlink_unicast+0x449/0x710 [ 447.765675][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.765675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.765675][ T10] ___sys_sendmsg+0xee/0x170 [ 447.765675][ T10] __sys_sendmsg+0xcd/0x170 [ 447.765675][ T10] do_syscall_64+0xc6/0x1e0 [ 447.765675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 447.765675][ T10] [ 447.767370][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 447.767370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 447.767370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 447.767370][ T10] ipv6_find_idev+0x102/0x170 [ 447.767370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 447.767370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.767370][ T10] netlink_rcv_skb+0x130/0x360 [ 447.767370][ T10] netlink_unicast+0x449/0x710 [ 447.767370][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.767370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.767370][ T10] ___sys_sendmsg+0xee/0x170 [ 447.767370][ T10] __sys_sendmsg+0xcd/0x170 [ 447.767370][ T10] do_syscall_64+0xc6/0x1e0 [ 447.767370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 447.767370][ T10] [ 447.769235][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 447.769500][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 447.769500][ T10] vlan_dev_init+0x97c/0xdd0 [ 447.769500][ T10] register_netdevice+0x4d3/0x1690 [ 447.769500][ T10] register_vlan_dev+0x162/0x4a0 [ 447.769500][ T10] vlan_newlink+0x393/0x610 [ 447.769500][ T10] rtnl_newlink_create+0x341/0x850 [ 447.769500][ T10] __rtnl_newlink+0xac9/0xd80 [ 447.769500][ T10] rtnl_newlink+0x63/0xa0 [ 447.769500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 447.769500][ T10] netlink_rcv_skb+0x130/0x360 [ 447.769500][ T10] netlink_unicast+0x449/0x710 [ 447.769500][ T10] netlink_sendmsg+0x723/0xbe0 [ 447.769500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 447.769500][ T10] ___sys_sendmsg+0xee/0x170 [ 447.769500][ T10] __sys_sendmsg+0xcd/0x170 [ 447.769500][ T10] do_syscall_64+0xc6/0x1e0 [ 447.769500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 447.769500][ T10] [ 458.012037][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 458.012516][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 458.012516][ T10] netdev_get_by_index+0x5e/0x80 [ 458.012516][ T10] fib6_nh_init+0x3d8/0x1580 [ 458.012516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 458.012516][ T10] ip6_route_add+0x1c/0x140 [ 458.012516][ T10] addrconf_prefix_route+0x2a6/0x430 [ 458.012516][ T10] inet6_addr_add+0x4f8/0xa40 [ 458.012516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 458.012516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.012516][ T10] netlink_rcv_skb+0x130/0x360 [ 458.012516][ T10] netlink_unicast+0x449/0x710 [ 458.012516][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.012516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.012516][ T10] ___sys_sendmsg+0xee/0x170 [ 458.012516][ T10] __sys_sendmsg+0xcd/0x170 [ 458.012516][ T10] do_syscall_64+0xc6/0x1e0 [ 458.012516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 458.012516][ T10] [ 458.014749][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 458.014749][ T10] netdev_get_by_index+0x5e/0x80 [ 458.014749][ T10] fib6_nh_init+0x3d8/0x1580 [ 458.014749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 458.014749][ T10] addrconf_f6i_alloc+0x315/0x560 [ 458.014749][ T10] ipv6_add_addr+0x411/0x2000 [ 458.014749][ T10] inet6_addr_add+0x30e/0xa40 [ 458.014749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 458.014749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.014749][ T10] netlink_rcv_skb+0x130/0x360 [ 458.014749][ T10] netlink_unicast+0x449/0x710 [ 458.014749][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.014749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.014749][ T10] ___sys_sendmsg+0xee/0x170 [ 458.014749][ T10] __sys_sendmsg+0xcd/0x170 [ 458.014749][ T10] do_syscall_64+0xc6/0x1e0 [ 458.014749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 458.014749][ T10] [ 458.016966][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 458.016966][ T10] netdev_get_by_index+0x5e/0x80 [ 458.016966][ T10] fib6_nh_init+0x3d8/0x1580 [ 458.016966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 458.016966][ T10] ip6_route_add+0x1c/0x140 [ 458.016966][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 458.016966][ T10] addrconf_add_dev+0xe2/0x170 [ 458.016966][ T10] inet6_addr_add+0x12f/0xa40 [ 458.016966][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 458.016966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.016966][ T10] netlink_rcv_skb+0x130/0x360 [ 458.016966][ T10] netlink_unicast+0x449/0x710 [ 458.016966][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.016966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.016966][ T10] ___sys_sendmsg+0xee/0x170 [ 458.016966][ T10] __sys_sendmsg+0xcd/0x170 [ 458.016966][ T10] do_syscall_64+0xc6/0x1e0 [ 458.016966][ T10] [ 458.019149][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 458.019149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 458.019149][ T10] ipv6_find_idev+0x102/0x170 [ 458.019149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 458.019149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.019149][ T10] netlink_rcv_skb+0x130/0x360 [ 458.019149][ T10] netlink_unicast+0x449/0x710 [ 458.019149][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.019149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.019149][ T10] ___sys_sendmsg+0xee/0x170 [ 458.019149][ T10] __sys_sendmsg+0xcd/0x170 [ 458.019149][ T10] do_syscall_64+0xc6/0x1e0 [ 458.019149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 458.019149][ T10] [ 458.020876][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 458.020876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 458.020876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 458.020876][ T10] ipv6_find_idev+0x102/0x170 [ 458.020876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 458.020876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.020876][ T10] netlink_rcv_skb+0x130/0x360 [ 458.020876][ T10] netlink_unicast+0x449/0x710 [ 458.020876][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.020876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.020876][ T10] ___sys_sendmsg+0xee/0x170 [ 458.020876][ T10] __sys_sendmsg+0xcd/0x170 [ 458.020876][ T10] do_syscall_64+0xc6/0x1e0 [ 458.020876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 458.020876][ T10] [ 458.022764][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 458.023078][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 458.023078][ T10] netdev_get_by_index+0x5e/0x80 [ 458.023078][ T10] fib6_nh_init+0x3d8/0x1580 [ 458.023078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 458.023078][ T10] ip6_route_add+0x1c/0x140 [ 458.023078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 458.023078][ T10] inet6_addr_add+0x4f8/0xa40 [ 458.023078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 458.023078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.023078][ T10] netlink_rcv_skb+0x130/0x360 [ 458.023078][ T10] netlink_unicast+0x449/0x710 [ 458.023078][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.023078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.023078][ T10] ___sys_sendmsg+0xee/0x170 [ 458.023078][ T10] __sys_sendmsg+0xcd/0x170 [ 458.023078][ T10] do_syscall_64+0xc6/0x1e0 [ 458.023078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 458.023078][ T10] [ 458.025282][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 458.025282][ T10] netdev_get_by_index+0x5e/0x80 [ 458.025282][ T10] fib6_nh_init+0x3d8/0x1580 [ 458.025282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 458.025282][ T10] addrconf_f6i_alloc+0x315/0x560 [ 458.025282][ T10] ipv6_add_addr+0x411/0x2000 [ 458.025282][ T10] inet6_addr_add+0x30e/0xa40 [ 458.025282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 458.025282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.025282][ T10] netlink_rcv_skb+0x130/0x360 [ 458.025282][ T10] netlink_unicast+0x449/0x710 [ 458.025282][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.025282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.025282][ T10] ___sys_sendmsg+0xee/0x170 [ 458.025282][ T10] __sys_sendmsg+0xcd/0x170 [ 458.025282][ T10] do_syscall_64+0xc6/0x1e0 [ 458.025282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 458.025282][ T10] [ 458.027491][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 458.027491][ T10] netdev_get_by_index+0x5e/0x80 [ 458.027491][ T10] fib6_nh_init+0x3d8/0x1580 [ 458.027491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 458.027491][ T10] ip6_route_add+0x1c/0x140 [ 458.027491][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 458.027491][ T10] addrconf_add_dev+0xe2/0x170 [ 458.027491][ T10] inet6_addr_add+0x12f/0xa40 [ 458.027491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 458.027491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.027491][ T10] netlink_rcv_skb+0x130/0x360 [ 458.027491][ T10] netlink_unicast+0x449/0x710 [ 458.027491][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.027491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.027491][ T10] ___sys_sendmsg+0xee/0x170 [ 458.027491][ T10] __sys_sendmsg+0xcd/0x170 [ 458.027491][ T10] do_syscall_64+0xc6/0x1e0 [ 458.027491][ T10] [ 458.029639][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 458.029639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 458.029639][ T10] ipv6_find_idev+0x102/0x170 [ 458.029639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 458.029639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.029639][ T10] netlink_rcv_skb+0x130/0x360 [ 458.029639][ T10] netlink_unicast+0x449/0x710 [ 458.029639][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.029639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.029639][ T10] ___sys_sendmsg+0xee/0x170 [ 458.029639][ T10] __sys_sendmsg+0xcd/0x170 [ 458.029639][ T10] do_syscall_64+0xc6/0x1e0 [ 458.029639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 458.029639][ T10] [ 458.031358][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 458.031358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 458.031358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 458.031358][ T10] ipv6_find_idev+0x102/0x170 [ 458.031358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 458.031358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.031358][ T10] netlink_rcv_skb+0x130/0x360 [ 458.031358][ T10] netlink_unicast+0x449/0x710 [ 458.031358][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.031358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.031358][ T10] ___sys_sendmsg+0xee/0x170 [ 458.031358][ T10] __sys_sendmsg+0xcd/0x170 [ 458.031358][ T10] do_syscall_64+0xc6/0x1e0 [ 458.031358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 458.031358][ T10] [ 458.033221][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 458.033485][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 458.033485][ T10] vlan_dev_init+0x97c/0xdd0 [ 458.033485][ T10] register_netdevice+0x4d3/0x1690 [ 458.033485][ T10] register_vlan_dev+0x162/0x4a0 [ 458.033485][ T10] vlan_newlink+0x393/0x610 [ 458.033485][ T10] rtnl_newlink_create+0x341/0x850 [ 458.033485][ T10] __rtnl_newlink+0xac9/0xd80 [ 458.033485][ T10] rtnl_newlink+0x63/0xa0 [ 458.033485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 458.033485][ T10] netlink_rcv_skb+0x130/0x360 [ 458.033485][ T10] netlink_unicast+0x449/0x710 [ 458.033485][ T10] netlink_sendmsg+0x723/0xbe0 [ 458.033485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 458.033485][ T10] ___sys_sendmsg+0xee/0x170 [ 458.033485][ T10] __sys_sendmsg+0xcd/0x170 [ 458.033485][ T10] do_syscall_64+0xc6/0x1e0 [ 458.033485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 458.033485][ T10] [ 468.276005][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 468.276479][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 468.276479][ T10] netdev_get_by_index+0x5e/0x80 [ 468.276479][ T10] fib6_nh_init+0x3d8/0x1580 [ 468.276479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 468.276479][ T10] ip6_route_add+0x1c/0x140 [ 468.276479][ T10] addrconf_prefix_route+0x2a6/0x430 [ 468.276479][ T10] inet6_addr_add+0x4f8/0xa40 [ 468.276479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 468.276479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.276479][ T10] netlink_rcv_skb+0x130/0x360 [ 468.276479][ T10] netlink_unicast+0x449/0x710 [ 468.276479][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.276479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.276479][ T10] ___sys_sendmsg+0xee/0x170 [ 468.276479][ T10] __sys_sendmsg+0xcd/0x170 [ 468.276479][ T10] do_syscall_64+0xc6/0x1e0 [ 468.276479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 468.276479][ T10] [ 468.278704][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 468.278704][ T10] netdev_get_by_index+0x5e/0x80 [ 468.278704][ T10] fib6_nh_init+0x3d8/0x1580 [ 468.278704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 468.278704][ T10] addrconf_f6i_alloc+0x315/0x560 [ 468.278704][ T10] ipv6_add_addr+0x411/0x2000 [ 468.278704][ T10] inet6_addr_add+0x30e/0xa40 [ 468.278704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 468.278704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.278704][ T10] netlink_rcv_skb+0x130/0x360 [ 468.278704][ T10] netlink_unicast+0x449/0x710 [ 468.278704][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.278704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.278704][ T10] ___sys_sendmsg+0xee/0x170 [ 468.278704][ T10] __sys_sendmsg+0xcd/0x170 [ 468.278704][ T10] do_syscall_64+0xc6/0x1e0 [ 468.278704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 468.278704][ T10] [ 468.280925][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 468.280925][ T10] netdev_get_by_index+0x5e/0x80 [ 468.280925][ T10] fib6_nh_init+0x3d8/0x1580 [ 468.280925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 468.280925][ T10] ip6_route_add+0x1c/0x140 [ 468.280925][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 468.280925][ T10] addrconf_add_dev+0xe2/0x170 [ 468.280925][ T10] inet6_addr_add+0x12f/0xa40 [ 468.280925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 468.280925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.280925][ T10] netlink_rcv_skb+0x130/0x360 [ 468.280925][ T10] netlink_unicast+0x449/0x710 [ 468.280925][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.280925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.280925][ T10] ___sys_sendmsg+0xee/0x170 [ 468.280925][ T10] __sys_sendmsg+0xcd/0x170 [ 468.280925][ T10] do_syscall_64+0xc6/0x1e0 [ 468.280925][ T10] [ 468.283090][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 468.283090][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 468.283090][ T10] ipv6_find_idev+0x102/0x170 [ 468.283090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 468.283090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.283090][ T10] netlink_rcv_skb+0x130/0x360 [ 468.283090][ T10] netlink_unicast+0x449/0x710 [ 468.283090][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.283090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.283090][ T10] ___sys_sendmsg+0xee/0x170 [ 468.283090][ T10] __sys_sendmsg+0xcd/0x170 [ 468.283090][ T10] do_syscall_64+0xc6/0x1e0 [ 468.283090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 468.283090][ T10] [ 468.284796][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 468.284796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 468.284796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 468.284796][ T10] ipv6_find_idev+0x102/0x170 [ 468.284796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 468.284796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.284796][ T10] netlink_rcv_skb+0x130/0x360 [ 468.284796][ T10] netlink_unicast+0x449/0x710 [ 468.284796][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.284796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.284796][ T10] ___sys_sendmsg+0xee/0x170 [ 468.284796][ T10] __sys_sendmsg+0xcd/0x170 [ 468.284796][ T10] do_syscall_64+0xc6/0x1e0 [ 468.284796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 468.284796][ T10] [ 468.286667][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 468.286978][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 468.286978][ T10] netdev_get_by_index+0x5e/0x80 [ 468.286978][ T10] fib6_nh_init+0x3d8/0x1580 [ 468.286978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 468.286978][ T10] ip6_route_add+0x1c/0x140 [ 468.286978][ T10] addrconf_prefix_route+0x2a6/0x430 [ 468.286978][ T10] inet6_addr_add+0x4f8/0xa40 [ 468.286978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 468.286978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.286978][ T10] netlink_rcv_skb+0x130/0x360 [ 468.286978][ T10] netlink_unicast+0x449/0x710 [ 468.286978][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.286978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.286978][ T10] ___sys_sendmsg+0xee/0x170 [ 468.286978][ T10] __sys_sendmsg+0xcd/0x170 [ 468.286978][ T10] do_syscall_64+0xc6/0x1e0 [ 468.286978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 468.286978][ T10] [ 468.289175][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 468.289175][ T10] netdev_get_by_index+0x5e/0x80 [ 468.289175][ T10] fib6_nh_init+0x3d8/0x1580 [ 468.289175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 468.289175][ T10] addrconf_f6i_alloc+0x315/0x560 [ 468.289175][ T10] ipv6_add_addr+0x411/0x2000 [ 468.289175][ T10] inet6_addr_add+0x30e/0xa40 [ 468.289175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 468.289175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.289175][ T10] netlink_rcv_skb+0x130/0x360 [ 468.289175][ T10] netlink_unicast+0x449/0x710 [ 468.289175][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.289175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.289175][ T10] ___sys_sendmsg+0xee/0x170 [ 468.289175][ T10] __sys_sendmsg+0xcd/0x170 [ 468.289175][ T10] do_syscall_64+0xc6/0x1e0 [ 468.289175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 468.289175][ T10] [ 468.291368][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 468.291368][ T10] netdev_get_by_index+0x5e/0x80 [ 468.291368][ T10] fib6_nh_init+0x3d8/0x1580 [ 468.291368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 468.291368][ T10] ip6_route_add+0x1c/0x140 [ 468.291368][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 468.291368][ T10] addrconf_add_dev+0xe2/0x170 [ 468.291368][ T10] inet6_addr_add+0x12f/0xa40 [ 468.291368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 468.291368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.291368][ T10] netlink_rcv_skb+0x130/0x360 [ 468.291368][ T10] netlink_unicast+0x449/0x710 [ 468.291368][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.291368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.291368][ T10] ___sys_sendmsg+0xee/0x170 [ 468.291368][ T10] __sys_sendmsg+0xcd/0x170 [ 468.291368][ T10] do_syscall_64+0xc6/0x1e0 [ 468.291368][ T10] [ 468.293541][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 468.293541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 468.293541][ T10] ipv6_find_idev+0x102/0x170 [ 468.293541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 468.293541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.293541][ T10] netlink_rcv_skb+0x130/0x360 [ 468.293541][ T10] netlink_unicast+0x449/0x710 [ 468.293541][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.293541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.293541][ T10] ___sys_sendmsg+0xee/0x170 [ 468.293541][ T10] __sys_sendmsg+0xcd/0x170 [ 468.293541][ T10] do_syscall_64+0xc6/0x1e0 [ 468.293541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 468.293541][ T10] [ 468.295229][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 468.295229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 468.295229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 468.295229][ T10] ipv6_find_idev+0x102/0x170 [ 468.295229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 468.295229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.295229][ T10] netlink_rcv_skb+0x130/0x360 [ 468.295229][ T10] netlink_unicast+0x449/0x710 [ 468.295229][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.295229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.295229][ T10] ___sys_sendmsg+0xee/0x170 [ 468.295229][ T10] __sys_sendmsg+0xcd/0x170 [ 468.295229][ T10] do_syscall_64+0xc6/0x1e0 [ 468.295229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 468.295229][ T10] [ 468.297106][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 468.297377][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 468.297377][ T10] vlan_dev_init+0x97c/0xdd0 [ 468.297377][ T10] register_netdevice+0x4d3/0x1690 [ 468.297377][ T10] register_vlan_dev+0x162/0x4a0 [ 468.297377][ T10] vlan_newlink+0x393/0x610 [ 468.297377][ T10] rtnl_newlink_create+0x341/0x850 [ 468.297377][ T10] __rtnl_newlink+0xac9/0xd80 [ 468.297377][ T10] rtnl_newlink+0x63/0xa0 [ 468.297377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 468.297377][ T10] netlink_rcv_skb+0x130/0x360 [ 468.297377][ T10] netlink_unicast+0x449/0x710 [ 468.297377][ T10] netlink_sendmsg+0x723/0xbe0 [ 468.297377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 468.297377][ T10] ___sys_sendmsg+0xee/0x170 [ 468.297377][ T10] __sys_sendmsg+0xcd/0x170 [ 468.297377][ T10] do_syscall_64+0xc6/0x1e0 [ 468.297377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 468.297377][ T10] [ 478.540100][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 478.540745][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 478.540745][ T10] netdev_get_by_index+0x5e/0x80 [ 478.540745][ T10] fib6_nh_init+0x3d8/0x1580 [ 478.540745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 478.540745][ T10] ip6_route_add+0x1c/0x140 [ 478.540745][ T10] addrconf_prefix_route+0x2a6/0x430 [ 478.540745][ T10] inet6_addr_add+0x4f8/0xa40 [ 478.540745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 478.540745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.540745][ T10] netlink_rcv_skb+0x130/0x360 [ 478.540745][ T10] netlink_unicast+0x449/0x710 [ 478.540745][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.540745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.540745][ T10] ___sys_sendmsg+0xee/0x170 [ 478.540745][ T10] __sys_sendmsg+0xcd/0x170 [ 478.540745][ T10] do_syscall_64+0xc6/0x1e0 [ 478.540745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 478.540745][ T10] [ 478.543696][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 478.543696][ T10] netdev_get_by_index+0x5e/0x80 [ 478.543696][ T10] fib6_nh_init+0x3d8/0x1580 [ 478.543696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 478.543696][ T10] addrconf_f6i_alloc+0x315/0x560 [ 478.543696][ T10] ipv6_add_addr+0x411/0x2000 [ 478.543696][ T10] inet6_addr_add+0x30e/0xa40 [ 478.543696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 478.543696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.543696][ T10] netlink_rcv_skb+0x130/0x360 [ 478.543696][ T10] netlink_unicast+0x449/0x710 [ 478.543696][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.543696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.543696][ T10] ___sys_sendmsg+0xee/0x170 [ 478.543696][ T10] __sys_sendmsg+0xcd/0x170 [ 478.543696][ T10] do_syscall_64+0xc6/0x1e0 [ 478.543696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 478.543696][ T10] [ 478.546734][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 478.546734][ T10] netdev_get_by_index+0x5e/0x80 [ 478.546734][ T10] fib6_nh_init+0x3d8/0x1580 [ 478.546734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 478.546734][ T10] ip6_route_add+0x1c/0x140 [ 478.546734][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 478.546734][ T10] addrconf_add_dev+0xe2/0x170 [ 478.546734][ T10] inet6_addr_add+0x12f/0xa40 [ 478.546734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 478.546734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.546734][ T10] netlink_rcv_skb+0x130/0x360 [ 478.546734][ T10] netlink_unicast+0x449/0x710 [ 478.546734][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.546734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.546734][ T10] ___sys_sendmsg+0xee/0x170 [ 478.546734][ T10] __sys_sendmsg+0xcd/0x170 [ 478.546734][ T10] do_syscall_64+0xc6/0x1e0 [ 478.546734][ T10] [ 478.549949][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 478.549949][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 478.549949][ T10] ipv6_find_idev+0x102/0x170 [ 478.549949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 478.549949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.549949][ T10] netlink_rcv_skb+0x130/0x360 [ 478.549949][ T10] netlink_unicast+0x449/0x710 [ 478.549949][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.549949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.549949][ T10] ___sys_sendmsg+0xee/0x170 [ 478.549949][ T10] __sys_sendmsg+0xcd/0x170 [ 478.549949][ T10] do_syscall_64+0xc6/0x1e0 [ 478.549949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 478.549949][ T10] [ 478.552432][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 478.552432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 478.552432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 478.552432][ T10] ipv6_find_idev+0x102/0x170 [ 478.552432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 478.552432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.552432][ T10] netlink_rcv_skb+0x130/0x360 [ 478.552432][ T10] netlink_unicast+0x449/0x710 [ 478.552432][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.552432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.552432][ T10] ___sys_sendmsg+0xee/0x170 [ 478.552432][ T10] __sys_sendmsg+0xcd/0x170 [ 478.552432][ T10] do_syscall_64+0xc6/0x1e0 [ 478.552432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 478.552432][ T10] [ 478.555092][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 478.555546][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 478.555546][ T10] netdev_get_by_index+0x5e/0x80 [ 478.555546][ T10] fib6_nh_init+0x3d8/0x1580 [ 478.555546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 478.555546][ T10] ip6_route_add+0x1c/0x140 [ 478.555546][ T10] addrconf_prefix_route+0x2a6/0x430 [ 478.555546][ T10] inet6_addr_add+0x4f8/0xa40 [ 478.555546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 478.555546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.555546][ T10] netlink_rcv_skb+0x130/0x360 [ 478.555546][ T10] netlink_unicast+0x449/0x710 [ 478.555546][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.555546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.555546][ T10] ___sys_sendmsg+0xee/0x170 [ 478.555546][ T10] __sys_sendmsg+0xcd/0x170 [ 478.555546][ T10] do_syscall_64+0xc6/0x1e0 [ 478.555546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 478.555546][ T10] [ 478.558746][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 478.558746][ T10] netdev_get_by_index+0x5e/0x80 [ 478.558746][ T10] fib6_nh_init+0x3d8/0x1580 [ 478.558746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 478.558746][ T10] addrconf_f6i_alloc+0x315/0x560 [ 478.558746][ T10] ipv6_add_addr+0x411/0x2000 [ 478.558746][ T10] inet6_addr_add+0x30e/0xa40 [ 478.558746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 478.558746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.558746][ T10] netlink_rcv_skb+0x130/0x360 [ 478.558746][ T10] netlink_unicast+0x449/0x710 [ 478.558746][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.558746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.558746][ T10] ___sys_sendmsg+0xee/0x170 [ 478.558746][ T10] __sys_sendmsg+0xcd/0x170 [ 478.558746][ T10] do_syscall_64+0xc6/0x1e0 [ 478.558746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 478.558746][ T10] [ 478.561949][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 478.561949][ T10] netdev_get_by_index+0x5e/0x80 [ 478.561949][ T10] fib6_nh_init+0x3d8/0x1580 [ 478.561949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 478.561949][ T10] ip6_route_add+0x1c/0x140 [ 478.561949][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 478.561949][ T10] addrconf_add_dev+0xe2/0x170 [ 478.561949][ T10] inet6_addr_add+0x12f/0xa40 [ 478.561949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 478.561949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.561949][ T10] netlink_rcv_skb+0x130/0x360 [ 478.561949][ T10] netlink_unicast+0x449/0x710 [ 478.561949][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.561949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.561949][ T10] ___sys_sendmsg+0xee/0x170 [ 478.561949][ T10] __sys_sendmsg+0xcd/0x170 [ 478.561949][ T10] do_syscall_64+0xc6/0x1e0 [ 478.561949][ T10] [ 478.565137][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 478.565137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 478.565137][ T10] ipv6_find_idev+0x102/0x170 [ 478.565137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 478.565137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.565137][ T10] netlink_rcv_skb+0x130/0x360 [ 478.565137][ T10] netlink_unicast+0x449/0x710 [ 478.565137][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.565137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.565137][ T10] ___sys_sendmsg+0xee/0x170 [ 478.565137][ T10] __sys_sendmsg+0xcd/0x170 [ 478.565137][ T10] do_syscall_64+0xc6/0x1e0 [ 478.565137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 478.565137][ T10] [ 478.567621][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 478.567621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 478.567621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 478.567621][ T10] ipv6_find_idev+0x102/0x170 [ 478.567621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 478.567621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.567621][ T10] netlink_rcv_skb+0x130/0x360 [ 478.567621][ T10] netlink_unicast+0x449/0x710 [ 478.567621][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.567621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.567621][ T10] ___sys_sendmsg+0xee/0x170 [ 478.567621][ T10] __sys_sendmsg+0xcd/0x170 [ 478.567621][ T10] do_syscall_64+0xc6/0x1e0 [ 478.567621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 478.567621][ T10] [ 478.570223][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 478.570600][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 478.570600][ T10] vlan_dev_init+0x97c/0xdd0 [ 478.570600][ T10] register_netdevice+0x4d3/0x1690 [ 478.570600][ T10] register_vlan_dev+0x162/0x4a0 [ 478.570600][ T10] vlan_newlink+0x393/0x610 [ 478.570600][ T10] rtnl_newlink_create+0x341/0x850 [ 478.570600][ T10] __rtnl_newlink+0xac9/0xd80 [ 478.570600][ T10] rtnl_newlink+0x63/0xa0 [ 478.570600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 478.570600][ T10] netlink_rcv_skb+0x130/0x360 [ 478.570600][ T10] netlink_unicast+0x449/0x710 [ 478.570600][ T10] netlink_sendmsg+0x723/0xbe0 [ 478.570600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 478.570600][ T10] ___sys_sendmsg+0xee/0x170 [ 478.570600][ T10] __sys_sendmsg+0xcd/0x170 [ 478.570600][ T10] do_syscall_64+0xc6/0x1e0 [ 478.570600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 478.570600][ T10] [ 488.820088][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 488.820603][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 488.820603][ T10] netdev_get_by_index+0x5e/0x80 [ 488.820603][ T10] fib6_nh_init+0x3d8/0x1580 [ 488.820603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 488.820603][ T10] ip6_route_add+0x1c/0x140 [ 488.820603][ T10] addrconf_prefix_route+0x2a6/0x430 [ 488.820603][ T10] inet6_addr_add+0x4f8/0xa40 [ 488.820603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 488.820603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.820603][ T10] netlink_rcv_skb+0x130/0x360 [ 488.820603][ T10] netlink_unicast+0x449/0x710 [ 488.820603][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.820603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.820603][ T10] ___sys_sendmsg+0xee/0x170 [ 488.820603][ T10] __sys_sendmsg+0xcd/0x170 [ 488.820603][ T10] do_syscall_64+0xc6/0x1e0 [ 488.820603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 488.820603][ T10] [ 488.822923][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 488.822923][ T10] netdev_get_by_index+0x5e/0x80 [ 488.822923][ T10] fib6_nh_init+0x3d8/0x1580 [ 488.822923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 488.822923][ T10] addrconf_f6i_alloc+0x315/0x560 [ 488.822923][ T10] ipv6_add_addr+0x411/0x2000 [ 488.822923][ T10] inet6_addr_add+0x30e/0xa40 [ 488.822923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 488.822923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.822923][ T10] netlink_rcv_skb+0x130/0x360 [ 488.822923][ T10] netlink_unicast+0x449/0x710 [ 488.822923][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.822923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.822923][ T10] ___sys_sendmsg+0xee/0x170 [ 488.822923][ T10] __sys_sendmsg+0xcd/0x170 [ 488.822923][ T10] do_syscall_64+0xc6/0x1e0 [ 488.822923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 488.822923][ T10] [ 488.825199][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 488.825199][ T10] netdev_get_by_index+0x5e/0x80 [ 488.825199][ T10] fib6_nh_init+0x3d8/0x1580 [ 488.825199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 488.825199][ T10] ip6_route_add+0x1c/0x140 [ 488.825199][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 488.825199][ T10] addrconf_add_dev+0xe2/0x170 [ 488.825199][ T10] inet6_addr_add+0x12f/0xa40 [ 488.825199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 488.825199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.825199][ T10] netlink_rcv_skb+0x130/0x360 [ 488.825199][ T10] netlink_unicast+0x449/0x710 [ 488.825199][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.825199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.825199][ T10] ___sys_sendmsg+0xee/0x170 [ 488.825199][ T10] __sys_sendmsg+0xcd/0x170 [ 488.825199][ T10] do_syscall_64+0xc6/0x1e0 [ 488.825199][ T10] [ 488.827443][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 488.827443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 488.827443][ T10] ipv6_find_idev+0x102/0x170 [ 488.827443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 488.827443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.827443][ T10] netlink_rcv_skb+0x130/0x360 [ 488.827443][ T10] netlink_unicast+0x449/0x710 [ 488.827443][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.827443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.827443][ T10] ___sys_sendmsg+0xee/0x170 [ 488.827443][ T10] __sys_sendmsg+0xcd/0x170 [ 488.827443][ T10] do_syscall_64+0xc6/0x1e0 [ 488.827443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 488.827443][ T10] [ 488.829216][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 488.829216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 488.829216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 488.829216][ T10] ipv6_find_idev+0x102/0x170 [ 488.829216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 488.829216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.829216][ T10] netlink_rcv_skb+0x130/0x360 [ 488.829216][ T10] netlink_unicast+0x449/0x710 [ 488.829216][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.829216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.829216][ T10] ___sys_sendmsg+0xee/0x170 [ 488.829216][ T10] __sys_sendmsg+0xcd/0x170 [ 488.829216][ T10] do_syscall_64+0xc6/0x1e0 [ 488.829216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 488.829216][ T10] [ 488.831180][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 488.831496][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 488.831496][ T10] netdev_get_by_index+0x5e/0x80 [ 488.831496][ T10] fib6_nh_init+0x3d8/0x1580 [ 488.831496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 488.831496][ T10] ip6_route_add+0x1c/0x140 [ 488.831496][ T10] addrconf_prefix_route+0x2a6/0x430 [ 488.831496][ T10] inet6_addr_add+0x4f8/0xa40 [ 488.831496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 488.831496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.831496][ T10] netlink_rcv_skb+0x130/0x360 [ 488.831496][ T10] netlink_unicast+0x449/0x710 [ 488.831496][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.831496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.831496][ T10] ___sys_sendmsg+0xee/0x170 [ 488.831496][ T10] __sys_sendmsg+0xcd/0x170 [ 488.831496][ T10] do_syscall_64+0xc6/0x1e0 [ 488.831496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 488.831496][ T10] [ 488.833786][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 488.833786][ T10] netdev_get_by_index+0x5e/0x80 [ 488.833786][ T10] fib6_nh_init+0x3d8/0x1580 [ 488.833786][ T10] ip6_route_info_create+0xf18/0x17d0 [ 488.833786][ T10] addrconf_f6i_alloc+0x315/0x560 [ 488.833786][ T10] ipv6_add_addr+0x411/0x2000 [ 488.833786][ T10] inet6_addr_add+0x30e/0xa40 [ 488.833786][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 488.833786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.833786][ T10] netlink_rcv_skb+0x130/0x360 [ 488.833786][ T10] netlink_unicast+0x449/0x710 [ 488.833786][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.833786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.833786][ T10] ___sys_sendmsg+0xee/0x170 [ 488.833786][ T10] __sys_sendmsg+0xcd/0x170 [ 488.833786][ T10] do_syscall_64+0xc6/0x1e0 [ 488.833786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 488.833786][ T10] [ 488.836059][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 488.836059][ T10] netdev_get_by_index+0x5e/0x80 [ 488.836059][ T10] fib6_nh_init+0x3d8/0x1580 [ 488.836059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 488.836059][ T10] ip6_route_add+0x1c/0x140 [ 488.836059][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 488.836059][ T10] addrconf_add_dev+0xe2/0x170 [ 488.836059][ T10] inet6_addr_add+0x12f/0xa40 [ 488.836059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 488.836059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.836059][ T10] netlink_rcv_skb+0x130/0x360 [ 488.836059][ T10] netlink_unicast+0x449/0x710 [ 488.836059][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.836059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.836059][ T10] ___sys_sendmsg+0xee/0x170 [ 488.836059][ T10] __sys_sendmsg+0xcd/0x170 [ 488.836059][ T10] do_syscall_64+0xc6/0x1e0 [ 488.836059][ T10] [ 488.838333][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 488.838333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 488.838333][ T10] ipv6_find_idev+0x102/0x170 [ 488.838333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 488.838333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.838333][ T10] netlink_rcv_skb+0x130/0x360 [ 488.838333][ T10] netlink_unicast+0x449/0x710 [ 488.838333][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.838333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.838333][ T10] ___sys_sendmsg+0xee/0x170 [ 488.838333][ T10] __sys_sendmsg+0xcd/0x170 [ 488.838333][ T10] do_syscall_64+0xc6/0x1e0 [ 488.838333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 488.838333][ T10] [ 488.840078][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 488.840078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 488.840078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 488.840078][ T10] ipv6_find_idev+0x102/0x170 [ 488.840078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 488.840078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.840078][ T10] netlink_rcv_skb+0x130/0x360 [ 488.840078][ T10] netlink_unicast+0x449/0x710 [ 488.840078][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.840078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.840078][ T10] ___sys_sendmsg+0xee/0x170 [ 488.840078][ T10] __sys_sendmsg+0xcd/0x170 [ 488.840078][ T10] do_syscall_64+0xc6/0x1e0 [ 488.840078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 488.840078][ T10] [ 488.841986][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 488.842259][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 488.842259][ T10] vlan_dev_init+0x97c/0xdd0 [ 488.842259][ T10] register_netdevice+0x4d3/0x1690 [ 488.842259][ T10] register_vlan_dev+0x162/0x4a0 [ 488.842259][ T10] vlan_newlink+0x393/0x610 [ 488.842259][ T10] rtnl_newlink_create+0x341/0x850 [ 488.842259][ T10] __rtnl_newlink+0xac9/0xd80 [ 488.842259][ T10] rtnl_newlink+0x63/0xa0 [ 488.842259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 488.842259][ T10] netlink_rcv_skb+0x130/0x360 [ 488.842259][ T10] netlink_unicast+0x449/0x710 [ 488.842259][ T10] netlink_sendmsg+0x723/0xbe0 [ 488.842259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 488.842259][ T10] ___sys_sendmsg+0xee/0x170 [ 488.842259][ T10] __sys_sendmsg+0xcd/0x170 [ 488.842259][ T10] do_syscall_64+0xc6/0x1e0 [ 488.842259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 488.842259][ T10] [ 499.083966][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 499.084409][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 499.084409][ T10] netdev_get_by_index+0x5e/0x80 [ 499.084409][ T10] fib6_nh_init+0x3d8/0x1580 [ 499.084409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 499.084409][ T10] ip6_route_add+0x1c/0x140 [ 499.084409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 499.084409][ T10] inet6_addr_add+0x4f8/0xa40 [ 499.084409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 499.084409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.084409][ T10] netlink_rcv_skb+0x130/0x360 [ 499.084409][ T10] netlink_unicast+0x449/0x710 [ 499.084409][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.084409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.084409][ T10] ___sys_sendmsg+0xee/0x170 [ 499.084409][ T10] __sys_sendmsg+0xcd/0x170 [ 499.084409][ T10] do_syscall_64+0xc6/0x1e0 [ 499.084409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 499.084409][ T10] [ 499.086712][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 499.086712][ T10] netdev_get_by_index+0x5e/0x80 [ 499.086712][ T10] fib6_nh_init+0x3d8/0x1580 [ 499.086712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 499.086712][ T10] addrconf_f6i_alloc+0x315/0x560 [ 499.086712][ T10] ipv6_add_addr+0x411/0x2000 [ 499.086712][ T10] inet6_addr_add+0x30e/0xa40 [ 499.086712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 499.086712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.086712][ T10] netlink_rcv_skb+0x130/0x360 [ 499.086712][ T10] netlink_unicast+0x449/0x710 [ 499.086712][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.086712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.086712][ T10] ___sys_sendmsg+0xee/0x170 [ 499.086712][ T10] __sys_sendmsg+0xcd/0x170 [ 499.086712][ T10] do_syscall_64+0xc6/0x1e0 [ 499.086712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 499.086712][ T10] [ 499.088777][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 499.088777][ T10] netdev_get_by_index+0x5e/0x80 [ 499.088777][ T10] fib6_nh_init+0x3d8/0x1580 [ 499.088777][ T10] ip6_route_info_create+0xf18/0x17d0 [ 499.088777][ T10] ip6_route_add+0x1c/0x140 [ 499.088777][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 499.088777][ T10] addrconf_add_dev+0xe2/0x170 [ 499.088777][ T10] inet6_addr_add+0x12f/0xa40 [ 499.088777][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 499.088777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.088777][ T10] netlink_rcv_skb+0x130/0x360 [ 499.088777][ T10] netlink_unicast+0x449/0x710 [ 499.088777][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.088777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.088777][ T10] ___sys_sendmsg+0xee/0x170 [ 499.088777][ T10] __sys_sendmsg+0xcd/0x170 [ 499.088777][ T10] do_syscall_64+0xc6/0x1e0 [ 499.088777][ T10] [ 499.090829][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 499.090829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 499.090829][ T10] ipv6_find_idev+0x102/0x170 [ 499.090829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 499.090829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.090829][ T10] netlink_rcv_skb+0x130/0x360 [ 499.090829][ T10] netlink_unicast+0x449/0x710 [ 499.090829][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.090829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.090829][ T10] ___sys_sendmsg+0xee/0x170 [ 499.090829][ T10] __sys_sendmsg+0xcd/0x170 [ 499.090829][ T10] do_syscall_64+0xc6/0x1e0 [ 499.090829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 499.090829][ T10] [ 499.092434][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 499.092434][ T10] neigh_parms_alloc+0x1e5/0x510 [ 499.092434][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 499.092434][ T10] ipv6_find_idev+0x102/0x170 [ 499.092434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 499.092434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.092434][ T10] netlink_rcv_skb+0x130/0x360 [ 499.092434][ T10] netlink_unicast+0x449/0x710 [ 499.092434][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.092434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.092434][ T10] ___sys_sendmsg+0xee/0x170 [ 499.092434][ T10] __sys_sendmsg+0xcd/0x170 [ 499.092434][ T10] do_syscall_64+0xc6/0x1e0 [ 499.092434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 499.092434][ T10] [ 499.094160][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 499.094559][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 499.094559][ T10] netdev_get_by_index+0x5e/0x80 [ 499.094559][ T10] fib6_nh_init+0x3d8/0x1580 [ 499.094559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 499.094559][ T10] ip6_route_add+0x1c/0x140 [ 499.094559][ T10] addrconf_prefix_route+0x2a6/0x430 [ 499.094559][ T10] inet6_addr_add+0x4f8/0xa40 [ 499.094559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 499.094559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.094559][ T10] netlink_rcv_skb+0x130/0x360 [ 499.094559][ T10] netlink_unicast+0x449/0x710 [ 499.094559][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.094559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.094559][ T10] ___sys_sendmsg+0xee/0x170 [ 499.094559][ T10] __sys_sendmsg+0xcd/0x170 [ 499.094559][ T10] do_syscall_64+0xc6/0x1e0 [ 499.094559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 499.094559][ T10] [ 499.096597][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 499.096597][ T10] netdev_get_by_index+0x5e/0x80 [ 499.096597][ T10] fib6_nh_init+0x3d8/0x1580 [ 499.096597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 499.096597][ T10] addrconf_f6i_alloc+0x315/0x560 [ 499.096597][ T10] ipv6_add_addr+0x411/0x2000 [ 499.096597][ T10] inet6_addr_add+0x30e/0xa40 [ 499.096597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 499.096597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.096597][ T10] netlink_rcv_skb+0x130/0x360 [ 499.096597][ T10] netlink_unicast+0x449/0x710 [ 499.096597][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.096597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.096597][ T10] ___sys_sendmsg+0xee/0x170 [ 499.096597][ T10] __sys_sendmsg+0xcd/0x170 [ 499.096597][ T10] do_syscall_64+0xc6/0x1e0 [ 499.096597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 499.096597][ T10] [ 499.098624][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 499.098624][ T10] netdev_get_by_index+0x5e/0x80 [ 499.098624][ T10] fib6_nh_init+0x3d8/0x1580 [ 499.098624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 499.098624][ T10] ip6_route_add+0x1c/0x140 [ 499.098624][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 499.098624][ T10] addrconf_add_dev+0xe2/0x170 [ 499.098624][ T10] inet6_addr_add+0x12f/0xa40 [ 499.098624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 499.098624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.098624][ T10] netlink_rcv_skb+0x130/0x360 [ 499.098624][ T10] netlink_unicast+0x449/0x710 [ 499.098624][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.098624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.098624][ T10] ___sys_sendmsg+0xee/0x170 [ 499.098624][ T10] __sys_sendmsg+0xcd/0x170 [ 499.098624][ T10] do_syscall_64+0xc6/0x1e0 [ 499.098624][ T10] [ 499.100636][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 499.100636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 499.100636][ T10] ipv6_find_idev+0x102/0x170 [ 499.100636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 499.100636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.100636][ T10] netlink_rcv_skb+0x130/0x360 [ 499.100636][ T10] netlink_unicast+0x449/0x710 [ 499.100636][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.100636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.100636][ T10] ___sys_sendmsg+0xee/0x170 [ 499.100636][ T10] __sys_sendmsg+0xcd/0x170 [ 499.100636][ T10] do_syscall_64+0xc6/0x1e0 [ 499.100636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 499.100636][ T10] [ 499.102217][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 499.102217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 499.102217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 499.102217][ T10] ipv6_find_idev+0x102/0x170 [ 499.102217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 499.102217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.102217][ T10] netlink_rcv_skb+0x130/0x360 [ 499.102217][ T10] netlink_unicast+0x449/0x710 [ 499.102217][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.102217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.102217][ T10] ___sys_sendmsg+0xee/0x170 [ 499.102217][ T10] __sys_sendmsg+0xcd/0x170 [ 499.102217][ T10] do_syscall_64+0xc6/0x1e0 [ 499.102217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 499.102217][ T10] [ 499.103965][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 499.104219][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 499.104219][ T10] vlan_dev_init+0x97c/0xdd0 [ 499.104219][ T10] register_netdevice+0x4d3/0x1690 [ 499.104219][ T10] register_vlan_dev+0x162/0x4a0 [ 499.104219][ T10] vlan_newlink+0x393/0x610 [ 499.104219][ T10] rtnl_newlink_create+0x341/0x850 [ 499.104219][ T10] __rtnl_newlink+0xac9/0xd80 [ 499.104219][ T10] rtnl_newlink+0x63/0xa0 [ 499.104219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 499.104219][ T10] netlink_rcv_skb+0x130/0x360 [ 499.104219][ T10] netlink_unicast+0x449/0x710 [ 499.104219][ T10] netlink_sendmsg+0x723/0xbe0 [ 499.104219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 499.104219][ T10] ___sys_sendmsg+0xee/0x170 [ 499.104219][ T10] __sys_sendmsg+0xcd/0x170 [ 499.104219][ T10] do_syscall_64+0xc6/0x1e0 [ 499.104219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 499.104219][ T10] [ 509.348112][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 509.348571][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 509.348571][ T10] netdev_get_by_index+0x5e/0x80 [ 509.348571][ T10] fib6_nh_init+0x3d8/0x1580 [ 509.348571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 509.348571][ T10] ip6_route_add+0x1c/0x140 [ 509.348571][ T10] addrconf_prefix_route+0x2a6/0x430 [ 509.348571][ T10] inet6_addr_add+0x4f8/0xa40 [ 509.348571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 509.348571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.348571][ T10] netlink_rcv_skb+0x130/0x360 [ 509.348571][ T10] netlink_unicast+0x449/0x710 [ 509.348571][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.348571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.348571][ T10] ___sys_sendmsg+0xee/0x170 [ 509.348571][ T10] __sys_sendmsg+0xcd/0x170 [ 509.348571][ T10] do_syscall_64+0xc6/0x1e0 [ 509.348571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 509.348571][ T10] [ 509.350611][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 509.350611][ T10] netdev_get_by_index+0x5e/0x80 [ 509.350611][ T10] fib6_nh_init+0x3d8/0x1580 [ 509.350611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 509.350611][ T10] addrconf_f6i_alloc+0x315/0x560 [ 509.350611][ T10] ipv6_add_addr+0x411/0x2000 [ 509.350611][ T10] inet6_addr_add+0x30e/0xa40 [ 509.350611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 509.350611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.350611][ T10] netlink_rcv_skb+0x130/0x360 [ 509.350611][ T10] netlink_unicast+0x449/0x710 [ 509.350611][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.350611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.350611][ T10] ___sys_sendmsg+0xee/0x170 [ 509.350611][ T10] __sys_sendmsg+0xcd/0x170 [ 509.350611][ T10] do_syscall_64+0xc6/0x1e0 [ 509.350611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 509.350611][ T10] [ 509.352617][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 509.352617][ T10] netdev_get_by_index+0x5e/0x80 [ 509.352617][ T10] fib6_nh_init+0x3d8/0x1580 [ 509.352617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 509.352617][ T10] ip6_route_add+0x1c/0x140 [ 509.352617][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 509.352617][ T10] addrconf_add_dev+0xe2/0x170 [ 509.352617][ T10] inet6_addr_add+0x12f/0xa40 [ 509.352617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 509.352617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.352617][ T10] netlink_rcv_skb+0x130/0x360 [ 509.352617][ T10] netlink_unicast+0x449/0x710 [ 509.352617][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.352617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.352617][ T10] ___sys_sendmsg+0xee/0x170 [ 509.352617][ T10] __sys_sendmsg+0xcd/0x170 [ 509.352617][ T10] do_syscall_64+0xc6/0x1e0 [ 509.352617][ T10] [ 509.354594][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 509.354594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 509.354594][ T10] ipv6_find_idev+0x102/0x170 [ 509.354594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 509.354594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.354594][ T10] netlink_rcv_skb+0x130/0x360 [ 509.354594][ T10] netlink_unicast+0x449/0x710 [ 509.354594][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.354594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.354594][ T10] ___sys_sendmsg+0xee/0x170 [ 509.354594][ T10] __sys_sendmsg+0xcd/0x170 [ 509.354594][ T10] do_syscall_64+0xc6/0x1e0 [ 509.354594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 509.354594][ T10] [ 509.356133][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 509.356133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 509.356133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 509.356133][ T10] ipv6_find_idev+0x102/0x170 [ 509.356133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 509.356133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.356133][ T10] netlink_rcv_skb+0x130/0x360 [ 509.356133][ T10] netlink_unicast+0x449/0x710 [ 509.356133][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.356133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.356133][ T10] ___sys_sendmsg+0xee/0x170 [ 509.356133][ T10] __sys_sendmsg+0xcd/0x170 [ 509.356133][ T10] do_syscall_64+0xc6/0x1e0 [ 509.356133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 509.356133][ T10] [ 509.357829][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 509.358113][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 509.358113][ T10] netdev_get_by_index+0x5e/0x80 [ 509.358113][ T10] fib6_nh_init+0x3d8/0x1580 [ 509.358113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 509.358113][ T10] ip6_route_add+0x1c/0x140 [ 509.358113][ T10] addrconf_prefix_route+0x2a6/0x430 [ 509.358113][ T10] inet6_addr_add+0x4f8/0xa40 [ 509.358113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 509.358113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.358113][ T10] netlink_rcv_skb+0x130/0x360 [ 509.358113][ T10] netlink_unicast+0x449/0x710 [ 509.358113][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.358113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.358113][ T10] ___sys_sendmsg+0xee/0x170 [ 509.358113][ T10] __sys_sendmsg+0xcd/0x170 [ 509.358113][ T10] do_syscall_64+0xc6/0x1e0 [ 509.358113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 509.358113][ T10] [ 509.360119][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 509.360119][ T10] netdev_get_by_index+0x5e/0x80 [ 509.360119][ T10] fib6_nh_init+0x3d8/0x1580 [ 509.360119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 509.360119][ T10] addrconf_f6i_alloc+0x315/0x560 [ 509.360119][ T10] ipv6_add_addr+0x411/0x2000 [ 509.360119][ T10] inet6_addr_add+0x30e/0xa40 [ 509.360119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 509.360119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.360119][ T10] netlink_rcv_skb+0x130/0x360 [ 509.360119][ T10] netlink_unicast+0x449/0x710 [ 509.360119][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.360119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.360119][ T10] ___sys_sendmsg+0xee/0x170 [ 509.360119][ T10] __sys_sendmsg+0xcd/0x170 [ 509.360119][ T10] do_syscall_64+0xc6/0x1e0 [ 509.360119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 509.360119][ T10] [ 509.362110][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 509.362110][ T10] netdev_get_by_index+0x5e/0x80 [ 509.362110][ T10] fib6_nh_init+0x3d8/0x1580 [ 509.362110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 509.362110][ T10] ip6_route_add+0x1c/0x140 [ 509.362110][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 509.362110][ T10] addrconf_add_dev+0xe2/0x170 [ 509.362110][ T10] inet6_addr_add+0x12f/0xa40 [ 509.362110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 509.362110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.362110][ T10] netlink_rcv_skb+0x130/0x360 [ 509.362110][ T10] netlink_unicast+0x449/0x710 [ 509.362110][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.362110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.362110][ T10] ___sys_sendmsg+0xee/0x170 [ 509.362110][ T10] __sys_sendmsg+0xcd/0x170 [ 509.362110][ T10] do_syscall_64+0xc6/0x1e0 [ 509.362110][ T10] [ 509.364075][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 509.364075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 509.364075][ T10] ipv6_find_idev+0x102/0x170 [ 509.364075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 509.364075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.364075][ T10] netlink_rcv_skb+0x130/0x360 [ 509.364075][ T10] netlink_unicast+0x449/0x710 [ 509.364075][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.364075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.364075][ T10] ___sys_sendmsg+0xee/0x170 [ 509.364075][ T10] __sys_sendmsg+0xcd/0x170 [ 509.364075][ T10] do_syscall_64+0xc6/0x1e0 [ 509.364075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 509.364075][ T10] [ 509.365609][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 509.365609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 509.365609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 509.365609][ T10] ipv6_find_idev+0x102/0x170 [ 509.365609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 509.365609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.365609][ T10] netlink_rcv_skb+0x130/0x360 [ 509.365609][ T10] netlink_unicast+0x449/0x710 [ 509.365609][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.365609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.365609][ T10] ___sys_sendmsg+0xee/0x170 [ 509.365609][ T10] __sys_sendmsg+0xcd/0x170 [ 509.365609][ T10] do_syscall_64+0xc6/0x1e0 [ 509.365609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 509.365609][ T10] [ 509.367284][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 509.367524][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 509.367524][ T10] vlan_dev_init+0x97c/0xdd0 [ 509.367524][ T10] register_netdevice+0x4d3/0x1690 [ 509.367524][ T10] register_vlan_dev+0x162/0x4a0 [ 509.367524][ T10] vlan_newlink+0x393/0x610 [ 509.367524][ T10] rtnl_newlink_create+0x341/0x850 [ 509.367524][ T10] __rtnl_newlink+0xac9/0xd80 [ 509.367524][ T10] rtnl_newlink+0x63/0xa0 [ 509.367524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 509.367524][ T10] netlink_rcv_skb+0x130/0x360 [ 509.367524][ T10] netlink_unicast+0x449/0x710 [ 509.367524][ T10] netlink_sendmsg+0x723/0xbe0 [ 509.367524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 509.367524][ T10] ___sys_sendmsg+0xee/0x170 [ 509.367524][ T10] __sys_sendmsg+0xcd/0x170 [ 509.367524][ T10] do_syscall_64+0xc6/0x1e0 [ 509.367524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 509.367524][ T10] [ 519.532047][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 519.532507][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 519.532507][ T10] netdev_get_by_index+0x5e/0x80 [ 519.532507][ T10] fib6_nh_init+0x3d8/0x1580 [ 519.532507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 519.532507][ T10] ip6_route_add+0x1c/0x140 [ 519.532507][ T10] addrconf_prefix_route+0x2a6/0x430 [ 519.532507][ T10] inet6_addr_add+0x4f8/0xa40 [ 519.532507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 519.532507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.532507][ T10] netlink_rcv_skb+0x130/0x360 [ 519.532507][ T10] netlink_unicast+0x449/0x710 [ 519.532507][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.532507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.532507][ T10] ___sys_sendmsg+0xee/0x170 [ 519.532507][ T10] __sys_sendmsg+0xcd/0x170 [ 519.532507][ T10] do_syscall_64+0xc6/0x1e0 [ 519.532507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 519.532507][ T10] [ 519.534615][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 519.534615][ T10] netdev_get_by_index+0x5e/0x80 [ 519.534615][ T10] fib6_nh_init+0x3d8/0x1580 [ 519.534615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 519.534615][ T10] addrconf_f6i_alloc+0x315/0x560 [ 519.534615][ T10] ipv6_add_addr+0x411/0x2000 [ 519.534615][ T10] inet6_addr_add+0x30e/0xa40 [ 519.534615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 519.534615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.534615][ T10] netlink_rcv_skb+0x130/0x360 [ 519.534615][ T10] netlink_unicast+0x449/0x710 [ 519.534615][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.534615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.534615][ T10] ___sys_sendmsg+0xee/0x170 [ 519.534615][ T10] __sys_sendmsg+0xcd/0x170 [ 519.534615][ T10] do_syscall_64+0xc6/0x1e0 [ 519.534615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 519.534615][ T10] [ 519.536655][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 519.536655][ T10] netdev_get_by_index+0x5e/0x80 [ 519.536655][ T10] fib6_nh_init+0x3d8/0x1580 [ 519.536655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 519.536655][ T10] ip6_route_add+0x1c/0x140 [ 519.536655][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 519.536655][ T10] addrconf_add_dev+0xe2/0x170 [ 519.536655][ T10] inet6_addr_add+0x12f/0xa40 [ 519.536655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 519.536655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.536655][ T10] netlink_rcv_skb+0x130/0x360 [ 519.536655][ T10] netlink_unicast+0x449/0x710 [ 519.536655][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.536655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.536655][ T10] ___sys_sendmsg+0xee/0x170 [ 519.536655][ T10] __sys_sendmsg+0xcd/0x170 [ 519.536655][ T10] do_syscall_64+0xc6/0x1e0 [ 519.536655][ T10] [ 519.538611][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 519.538611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 519.538611][ T10] ipv6_find_idev+0x102/0x170 [ 519.538611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 519.538611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.538611][ T10] netlink_rcv_skb+0x130/0x360 [ 519.538611][ T10] netlink_unicast+0x449/0x710 [ 519.538611][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.538611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.538611][ T10] ___sys_sendmsg+0xee/0x170 [ 519.538611][ T10] __sys_sendmsg+0xcd/0x170 [ 519.538611][ T10] do_syscall_64+0xc6/0x1e0 [ 519.538611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 519.538611][ T10] [ 519.540170][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 519.540170][ T10] neigh_parms_alloc+0x1e5/0x510 [ 519.540170][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 519.540170][ T10] ipv6_find_idev+0x102/0x170 [ 519.540170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 519.540170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.540170][ T10] netlink_rcv_skb+0x130/0x360 [ 519.540170][ T10] netlink_unicast+0x449/0x710 [ 519.540170][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.540170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.540170][ T10] ___sys_sendmsg+0xee/0x170 [ 519.540170][ T10] __sys_sendmsg+0xcd/0x170 [ 519.540170][ T10] do_syscall_64+0xc6/0x1e0 [ 519.540170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 519.540170][ T10] [ 519.541872][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 519.542163][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 519.542163][ T10] netdev_get_by_index+0x5e/0x80 [ 519.542163][ T10] fib6_nh_init+0x3d8/0x1580 [ 519.542163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 519.542163][ T10] ip6_route_add+0x1c/0x140 [ 519.542163][ T10] addrconf_prefix_route+0x2a6/0x430 [ 519.542163][ T10] inet6_addr_add+0x4f8/0xa40 [ 519.542163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 519.542163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.542163][ T10] netlink_rcv_skb+0x130/0x360 [ 519.542163][ T10] netlink_unicast+0x449/0x710 [ 519.542163][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.542163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.542163][ T10] ___sys_sendmsg+0xee/0x170 [ 519.542163][ T10] __sys_sendmsg+0xcd/0x170 [ 519.542163][ T10] do_syscall_64+0xc6/0x1e0 [ 519.542163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 519.542163][ T10] [ 519.544386][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 519.544386][ T10] netdev_get_by_index+0x5e/0x80 [ 519.544386][ T10] fib6_nh_init+0x3d8/0x1580 [ 519.544386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 519.544386][ T10] addrconf_f6i_alloc+0x315/0x560 [ 519.544386][ T10] ipv6_add_addr+0x411/0x2000 [ 519.544386][ T10] inet6_addr_add+0x30e/0xa40 [ 519.544386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 519.544386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.544386][ T10] netlink_rcv_skb+0x130/0x360 [ 519.544386][ T10] netlink_unicast+0x449/0x710 [ 519.544386][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.544386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.544386][ T10] ___sys_sendmsg+0xee/0x170 [ 519.544386][ T10] __sys_sendmsg+0xcd/0x170 [ 519.544386][ T10] do_syscall_64+0xc6/0x1e0 [ 519.544386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 519.544386][ T10] [ 519.546472][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 519.546472][ T10] netdev_get_by_index+0x5e/0x80 [ 519.546472][ T10] fib6_nh_init+0x3d8/0x1580 [ 519.546472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 519.546472][ T10] ip6_route_add+0x1c/0x140 [ 519.546472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 519.546472][ T10] addrconf_add_dev+0xe2/0x170 [ 519.546472][ T10] inet6_addr_add+0x12f/0xa40 [ 519.546472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 519.546472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.546472][ T10] netlink_rcv_skb+0x130/0x360 [ 519.546472][ T10] netlink_unicast+0x449/0x710 [ 519.546472][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.546472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.546472][ T10] ___sys_sendmsg+0xee/0x170 [ 519.546472][ T10] __sys_sendmsg+0xcd/0x170 [ 519.546472][ T10] do_syscall_64+0xc6/0x1e0 [ 519.546472][ T10] [ 519.548554][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 519.548554][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 519.548554][ T10] ipv6_find_idev+0x102/0x170 [ 519.548554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 519.548554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.548554][ T10] netlink_rcv_skb+0x130/0x360 [ 519.548554][ T10] netlink_unicast+0x449/0x710 [ 519.548554][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.548554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.548554][ T10] ___sys_sendmsg+0xee/0x170 [ 519.548554][ T10] __sys_sendmsg+0xcd/0x170 [ 519.548554][ T10] do_syscall_64+0xc6/0x1e0 [ 519.548554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 519.548554][ T10] [ 519.550165][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 519.550165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 519.550165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 519.550165][ T10] ipv6_find_idev+0x102/0x170 [ 519.550165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 519.550165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.550165][ T10] netlink_rcv_skb+0x130/0x360 [ 519.550165][ T10] netlink_unicast+0x449/0x710 [ 519.550165][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.550165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.550165][ T10] ___sys_sendmsg+0xee/0x170 [ 519.550165][ T10] __sys_sendmsg+0xcd/0x170 [ 519.550165][ T10] do_syscall_64+0xc6/0x1e0 [ 519.550165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 519.550165][ T10] [ 519.551956][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 519.552254][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 519.552254][ T10] vlan_dev_init+0x97c/0xdd0 [ 519.552254][ T10] register_netdevice+0x4d3/0x1690 [ 519.552254][ T10] register_vlan_dev+0x162/0x4a0 [ 519.552254][ T10] vlan_newlink+0x393/0x610 [ 519.552254][ T10] rtnl_newlink_create+0x341/0x850 [ 519.552254][ T10] __rtnl_newlink+0xac9/0xd80 [ 519.552254][ T10] rtnl_newlink+0x63/0xa0 [ 519.552254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 519.552254][ T10] netlink_rcv_skb+0x130/0x360 [ 519.552254][ T10] netlink_unicast+0x449/0x710 [ 519.552254][ T10] netlink_sendmsg+0x723/0xbe0 [ 519.552254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 519.552254][ T10] ___sys_sendmsg+0xee/0x170 [ 519.552254][ T10] __sys_sendmsg+0xcd/0x170 [ 519.552254][ T10] do_syscall_64+0xc6/0x1e0 [ 519.552254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 519.552254][ T10] [ 529.555946][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 529.556428][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 529.556428][ T10] netdev_get_by_index+0x5e/0x80 [ 529.556428][ T10] fib6_nh_init+0x3d8/0x1580 [ 529.556428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 529.556428][ T10] ip6_route_add+0x1c/0x140 [ 529.556428][ T10] addrconf_prefix_route+0x2a6/0x430 [ 529.556428][ T10] inet6_addr_add+0x4f8/0xa40 [ 529.556428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 529.556428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.556428][ T10] netlink_rcv_skb+0x130/0x360 [ 529.556428][ T10] netlink_unicast+0x449/0x710 [ 529.556428][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.556428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.556428][ T10] ___sys_sendmsg+0xee/0x170 [ 529.556428][ T10] __sys_sendmsg+0xcd/0x170 [ 529.556428][ T10] do_syscall_64+0xc6/0x1e0 [ 529.556428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 529.556428][ T10] [ 529.558550][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 529.558550][ T10] netdev_get_by_index+0x5e/0x80 [ 529.558550][ T10] fib6_nh_init+0x3d8/0x1580 [ 529.558550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 529.558550][ T10] addrconf_f6i_alloc+0x315/0x560 [ 529.558550][ T10] ipv6_add_addr+0x411/0x2000 [ 529.558550][ T10] inet6_addr_add+0x30e/0xa40 [ 529.558550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 529.558550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.558550][ T10] netlink_rcv_skb+0x130/0x360 [ 529.558550][ T10] netlink_unicast+0x449/0x710 [ 529.558550][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.558550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.558550][ T10] ___sys_sendmsg+0xee/0x170 [ 529.558550][ T10] __sys_sendmsg+0xcd/0x170 [ 529.558550][ T10] do_syscall_64+0xc6/0x1e0 [ 529.558550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 529.558550][ T10] [ 529.560703][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 529.560703][ T10] netdev_get_by_index+0x5e/0x80 [ 529.560703][ T10] fib6_nh_init+0x3d8/0x1580 [ 529.560703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 529.560703][ T10] ip6_route_add+0x1c/0x140 [ 529.560703][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 529.560703][ T10] addrconf_add_dev+0xe2/0x170 [ 529.560703][ T10] inet6_addr_add+0x12f/0xa40 [ 529.560703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 529.560703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.560703][ T10] netlink_rcv_skb+0x130/0x360 [ 529.560703][ T10] netlink_unicast+0x449/0x710 [ 529.560703][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.560703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.560703][ T10] ___sys_sendmsg+0xee/0x170 [ 529.560703][ T10] __sys_sendmsg+0xcd/0x170 [ 529.560703][ T10] do_syscall_64+0xc6/0x1e0 [ 529.560703][ T10] [ 529.562696][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 529.562696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 529.562696][ T10] ipv6_find_idev+0x102/0x170 [ 529.562696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 529.562696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.562696][ T10] netlink_rcv_skb+0x130/0x360 [ 529.562696][ T10] netlink_unicast+0x449/0x710 [ 529.562696][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.562696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.562696][ T10] ___sys_sendmsg+0xee/0x170 [ 529.562696][ T10] __sys_sendmsg+0xcd/0x170 [ 529.562696][ T10] do_syscall_64+0xc6/0x1e0 [ 529.562696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 529.562696][ T10] [ 529.564340][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 529.564340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 529.564340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 529.564340][ T10] ipv6_find_idev+0x102/0x170 [ 529.564340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 529.564340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.564340][ T10] netlink_rcv_skb+0x130/0x360 [ 529.564340][ T10] netlink_unicast+0x449/0x710 [ 529.564340][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.564340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.564340][ T10] ___sys_sendmsg+0xee/0x170 [ 529.564340][ T10] __sys_sendmsg+0xcd/0x170 [ 529.564340][ T10] do_syscall_64+0xc6/0x1e0 [ 529.564340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 529.564340][ T10] [ 529.566057][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 529.566332][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 529.566332][ T10] netdev_get_by_index+0x5e/0x80 [ 529.566332][ T10] fib6_nh_init+0x3d8/0x1580 [ 529.566332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 529.566332][ T10] ip6_route_add+0x1c/0x140 [ 529.566332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 529.566332][ T10] inet6_addr_add+0x4f8/0xa40 [ 529.566332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 529.566332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.566332][ T10] netlink_rcv_skb+0x130/0x360 [ 529.566332][ T10] netlink_unicast+0x449/0x710 [ 529.566332][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.566332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.566332][ T10] ___sys_sendmsg+0xee/0x170 [ 529.566332][ T10] __sys_sendmsg+0xcd/0x170 [ 529.566332][ T10] do_syscall_64+0xc6/0x1e0 [ 529.566332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 529.566332][ T10] [ 529.568343][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 529.568343][ T10] netdev_get_by_index+0x5e/0x80 [ 529.568343][ T10] fib6_nh_init+0x3d8/0x1580 [ 529.568343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 529.568343][ T10] addrconf_f6i_alloc+0x315/0x560 [ 529.568343][ T10] ipv6_add_addr+0x411/0x2000 [ 529.568343][ T10] inet6_addr_add+0x30e/0xa40 [ 529.568343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 529.568343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.568343][ T10] netlink_rcv_skb+0x130/0x360 [ 529.568343][ T10] netlink_unicast+0x449/0x710 [ 529.568343][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.568343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.568343][ T10] ___sys_sendmsg+0xee/0x170 [ 529.568343][ T10] __sys_sendmsg+0xcd/0x170 [ 529.568343][ T10] do_syscall_64+0xc6/0x1e0 [ 529.568343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 529.568343][ T10] [ 529.570362][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 529.570362][ T10] netdev_get_by_index+0x5e/0x80 [ 529.570362][ T10] fib6_nh_init+0x3d8/0x1580 [ 529.570362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 529.570362][ T10] ip6_route_add+0x1c/0x140 [ 529.570362][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 529.570362][ T10] addrconf_add_dev+0xe2/0x170 [ 529.570362][ T10] inet6_addr_add+0x12f/0xa40 [ 529.570362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 529.570362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.570362][ T10] netlink_rcv_skb+0x130/0x360 [ 529.570362][ T10] netlink_unicast+0x449/0x710 [ 529.570362][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.570362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.570362][ T10] ___sys_sendmsg+0xee/0x170 [ 529.570362][ T10] __sys_sendmsg+0xcd/0x170 [ 529.570362][ T10] do_syscall_64+0xc6/0x1e0 [ 529.570362][ T10] [ 529.572331][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 529.572331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 529.572331][ T10] ipv6_find_idev+0x102/0x170 [ 529.572331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 529.572331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.572331][ T10] netlink_rcv_skb+0x130/0x360 [ 529.572331][ T10] netlink_unicast+0x449/0x710 [ 529.572331][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.572331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.572331][ T10] ___sys_sendmsg+0xee/0x170 [ 529.572331][ T10] __sys_sendmsg+0xcd/0x170 [ 529.572331][ T10] do_syscall_64+0xc6/0x1e0 [ 529.572331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 529.572331][ T10] [ 529.573876][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 529.573876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 529.573876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 529.573876][ T10] ipv6_find_idev+0x102/0x170 [ 529.573876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 529.573876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.573876][ T10] netlink_rcv_skb+0x130/0x360 [ 529.573876][ T10] netlink_unicast+0x449/0x710 [ 529.573876][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.573876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.573876][ T10] ___sys_sendmsg+0xee/0x170 [ 529.573876][ T10] __sys_sendmsg+0xcd/0x170 [ 529.573876][ T10] do_syscall_64+0xc6/0x1e0 [ 529.573876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 529.573876][ T10] [ 529.575567][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 529.575826][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 529.575826][ T10] vlan_dev_init+0x97c/0xdd0 [ 529.575826][ T10] register_netdevice+0x4d3/0x1690 [ 529.575826][ T10] register_vlan_dev+0x162/0x4a0 [ 529.575826][ T10] vlan_newlink+0x393/0x610 [ 529.575826][ T10] rtnl_newlink_create+0x341/0x850 [ 529.575826][ T10] __rtnl_newlink+0xac9/0xd80 [ 529.575826][ T10] rtnl_newlink+0x63/0xa0 [ 529.575826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 529.575826][ T10] netlink_rcv_skb+0x130/0x360 [ 529.575826][ T10] netlink_unicast+0x449/0x710 [ 529.575826][ T10] netlink_sendmsg+0x723/0xbe0 [ 529.575826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 529.575826][ T10] ___sys_sendmsg+0xee/0x170 [ 529.575826][ T10] __sys_sendmsg+0xcd/0x170 [ 529.575826][ T10] do_syscall_64+0xc6/0x1e0 [ 529.575826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 529.575826][ T10] [ 539.819952][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 539.820405][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 539.820405][ T10] netdev_get_by_index+0x5e/0x80 [ 539.820405][ T10] fib6_nh_init+0x3d8/0x1580 [ 539.820405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 539.820405][ T10] ip6_route_add+0x1c/0x140 [ 539.820405][ T10] addrconf_prefix_route+0x2a6/0x430 [ 539.820405][ T10] inet6_addr_add+0x4f8/0xa40 [ 539.820405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 539.820405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.820405][ T10] netlink_rcv_skb+0x130/0x360 [ 539.820405][ T10] netlink_unicast+0x449/0x710 [ 539.820405][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.820405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.820405][ T10] ___sys_sendmsg+0xee/0x170 [ 539.820405][ T10] __sys_sendmsg+0xcd/0x170 [ 539.820405][ T10] do_syscall_64+0xc6/0x1e0 [ 539.820405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 539.820405][ T10] [ 539.822436][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 539.822436][ T10] netdev_get_by_index+0x5e/0x80 [ 539.822436][ T10] fib6_nh_init+0x3d8/0x1580 [ 539.822436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 539.822436][ T10] addrconf_f6i_alloc+0x315/0x560 [ 539.822436][ T10] ipv6_add_addr+0x411/0x2000 [ 539.822436][ T10] inet6_addr_add+0x30e/0xa40 [ 539.822436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 539.822436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.822436][ T10] netlink_rcv_skb+0x130/0x360 [ 539.822436][ T10] netlink_unicast+0x449/0x710 [ 539.822436][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.822436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.822436][ T10] ___sys_sendmsg+0xee/0x170 [ 539.822436][ T10] __sys_sendmsg+0xcd/0x170 [ 539.822436][ T10] do_syscall_64+0xc6/0x1e0 [ 539.822436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 539.822436][ T10] [ 539.824435][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 539.824435][ T10] netdev_get_by_index+0x5e/0x80 [ 539.824435][ T10] fib6_nh_init+0x3d8/0x1580 [ 539.824435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 539.824435][ T10] ip6_route_add+0x1c/0x140 [ 539.824435][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 539.824435][ T10] addrconf_add_dev+0xe2/0x170 [ 539.824435][ T10] inet6_addr_add+0x12f/0xa40 [ 539.824435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 539.824435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.824435][ T10] netlink_rcv_skb+0x130/0x360 [ 539.824435][ T10] netlink_unicast+0x449/0x710 [ 539.824435][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.824435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.824435][ T10] ___sys_sendmsg+0xee/0x170 [ 539.824435][ T10] __sys_sendmsg+0xcd/0x170 [ 539.824435][ T10] do_syscall_64+0xc6/0x1e0 [ 539.824435][ T10] [ 539.826403][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 539.826403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 539.826403][ T10] ipv6_find_idev+0x102/0x170 [ 539.826403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 539.826403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.826403][ T10] netlink_rcv_skb+0x130/0x360 [ 539.826403][ T10] netlink_unicast+0x449/0x710 [ 539.826403][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.826403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.826403][ T10] ___sys_sendmsg+0xee/0x170 [ 539.826403][ T10] __sys_sendmsg+0xcd/0x170 [ 539.826403][ T10] do_syscall_64+0xc6/0x1e0 [ 539.826403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 539.826403][ T10] [ 539.827953][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 539.827953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 539.827953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 539.827953][ T10] ipv6_find_idev+0x102/0x170 [ 539.827953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 539.827953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.827953][ T10] netlink_rcv_skb+0x130/0x360 [ 539.827953][ T10] netlink_unicast+0x449/0x710 [ 539.827953][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.827953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.827953][ T10] ___sys_sendmsg+0xee/0x170 [ 539.827953][ T10] __sys_sendmsg+0xcd/0x170 [ 539.827953][ T10] do_syscall_64+0xc6/0x1e0 [ 539.827953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 539.827953][ T10] [ 539.829643][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 539.829965][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 539.829965][ T10] netdev_get_by_index+0x5e/0x80 [ 539.829965][ T10] fib6_nh_init+0x3d8/0x1580 [ 539.829965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 539.829965][ T10] ip6_route_add+0x1c/0x140 [ 539.829965][ T10] addrconf_prefix_route+0x2a6/0x430 [ 539.829965][ T10] inet6_addr_add+0x4f8/0xa40 [ 539.829965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 539.829965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.829965][ T10] netlink_rcv_skb+0x130/0x360 [ 539.829965][ T10] netlink_unicast+0x449/0x710 [ 539.829965][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.829965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.829965][ T10] ___sys_sendmsg+0xee/0x170 [ 539.829965][ T10] __sys_sendmsg+0xcd/0x170 [ 539.829965][ T10] do_syscall_64+0xc6/0x1e0 [ 539.829965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 539.829965][ T10] [ 539.831970][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 539.831970][ T10] netdev_get_by_index+0x5e/0x80 [ 539.831970][ T10] fib6_nh_init+0x3d8/0x1580 [ 539.831970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 539.831970][ T10] addrconf_f6i_alloc+0x315/0x560 [ 539.831970][ T10] ipv6_add_addr+0x411/0x2000 [ 539.831970][ T10] inet6_addr_add+0x30e/0xa40 [ 539.831970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 539.831970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.831970][ T10] netlink_rcv_skb+0x130/0x360 [ 539.831970][ T10] netlink_unicast+0x449/0x710 [ 539.831970][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.831970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.831970][ T10] ___sys_sendmsg+0xee/0x170 [ 539.831970][ T10] __sys_sendmsg+0xcd/0x170 [ 539.831970][ T10] do_syscall_64+0xc6/0x1e0 [ 539.831970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 539.831970][ T10] [ 539.833965][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 539.833965][ T10] netdev_get_by_index+0x5e/0x80 [ 539.833965][ T10] fib6_nh_init+0x3d8/0x1580 [ 539.833965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 539.833965][ T10] ip6_route_add+0x1c/0x140 [ 539.833965][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 539.833965][ T10] addrconf_add_dev+0xe2/0x170 [ 539.833965][ T10] inet6_addr_add+0x12f/0xa40 [ 539.833965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 539.833965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.833965][ T10] netlink_rcv_skb+0x130/0x360 [ 539.833965][ T10] netlink_unicast+0x449/0x710 [ 539.833965][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.833965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.833965][ T10] ___sys_sendmsg+0xee/0x170 [ 539.833965][ T10] __sys_sendmsg+0xcd/0x170 [ 539.833965][ T10] do_syscall_64+0xc6/0x1e0 [ 539.833965][ T10] [ 539.835919][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 539.835919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 539.835919][ T10] ipv6_find_idev+0x102/0x170 [ 539.835919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 539.835919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.835919][ T10] netlink_rcv_skb+0x130/0x360 [ 539.835919][ T10] netlink_unicast+0x449/0x710 [ 539.835919][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.835919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.835919][ T10] ___sys_sendmsg+0xee/0x170 [ 539.835919][ T10] __sys_sendmsg+0xcd/0x170 [ 539.835919][ T10] do_syscall_64+0xc6/0x1e0 [ 539.835919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 539.835919][ T10] [ 539.837455][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 539.837455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 539.837455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 539.837455][ T10] ipv6_find_idev+0x102/0x170 [ 539.837455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 539.837455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.837455][ T10] netlink_rcv_skb+0x130/0x360 [ 539.837455][ T10] netlink_unicast+0x449/0x710 [ 539.837455][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.837455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.837455][ T10] ___sys_sendmsg+0xee/0x170 [ 539.837455][ T10] __sys_sendmsg+0xcd/0x170 [ 539.837455][ T10] do_syscall_64+0xc6/0x1e0 [ 539.837455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 539.837455][ T10] [ 539.839141][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 539.839386][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 539.839386][ T10] vlan_dev_init+0x97c/0xdd0 [ 539.839386][ T10] register_netdevice+0x4d3/0x1690 [ 539.839386][ T10] register_vlan_dev+0x162/0x4a0 [ 539.839386][ T10] vlan_newlink+0x393/0x610 [ 539.839386][ T10] rtnl_newlink_create+0x341/0x850 [ 539.839386][ T10] __rtnl_newlink+0xac9/0xd80 [ 539.839386][ T10] rtnl_newlink+0x63/0xa0 [ 539.839386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 539.839386][ T10] netlink_rcv_skb+0x130/0x360 [ 539.839386][ T10] netlink_unicast+0x449/0x710 [ 539.839386][ T10] netlink_sendmsg+0x723/0xbe0 [ 539.839386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 539.839386][ T10] ___sys_sendmsg+0xee/0x170 [ 539.839386][ T10] __sys_sendmsg+0xcd/0x170 [ 539.839386][ T10] do_syscall_64+0xc6/0x1e0 [ 539.839386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 539.839386][ T10] [ 550.084027][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 550.084500][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 550.084500][ T10] netdev_get_by_index+0x5e/0x80 [ 550.084500][ T10] fib6_nh_init+0x3d8/0x1580 [ 550.084500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 550.084500][ T10] ip6_route_add+0x1c/0x140 [ 550.084500][ T10] addrconf_prefix_route+0x2a6/0x430 [ 550.084500][ T10] inet6_addr_add+0x4f8/0xa40 [ 550.084500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 550.084500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.084500][ T10] netlink_rcv_skb+0x130/0x360 [ 550.084500][ T10] netlink_unicast+0x449/0x710 [ 550.084500][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.084500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.084500][ T10] ___sys_sendmsg+0xee/0x170 [ 550.084500][ T10] __sys_sendmsg+0xcd/0x170 [ 550.084500][ T10] do_syscall_64+0xc6/0x1e0 [ 550.084500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 550.084500][ T10] [ 550.086530][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 550.086530][ T10] netdev_get_by_index+0x5e/0x80 [ 550.086530][ T10] fib6_nh_init+0x3d8/0x1580 [ 550.086530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 550.086530][ T10] addrconf_f6i_alloc+0x315/0x560 [ 550.086530][ T10] ipv6_add_addr+0x411/0x2000 [ 550.086530][ T10] inet6_addr_add+0x30e/0xa40 [ 550.086530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 550.086530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.086530][ T10] netlink_rcv_skb+0x130/0x360 [ 550.086530][ T10] netlink_unicast+0x449/0x710 [ 550.086530][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.086530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.086530][ T10] ___sys_sendmsg+0xee/0x170 [ 550.086530][ T10] __sys_sendmsg+0xcd/0x170 [ 550.086530][ T10] do_syscall_64+0xc6/0x1e0 [ 550.086530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 550.086530][ T10] [ 550.088536][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 550.088536][ T10] netdev_get_by_index+0x5e/0x80 [ 550.088536][ T10] fib6_nh_init+0x3d8/0x1580 [ 550.088536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 550.088536][ T10] ip6_route_add+0x1c/0x140 [ 550.088536][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 550.088536][ T10] addrconf_add_dev+0xe2/0x170 [ 550.088536][ T10] inet6_addr_add+0x12f/0xa40 [ 550.088536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 550.088536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.088536][ T10] netlink_rcv_skb+0x130/0x360 [ 550.088536][ T10] netlink_unicast+0x449/0x710 [ 550.088536][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.088536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.088536][ T10] ___sys_sendmsg+0xee/0x170 [ 550.088536][ T10] __sys_sendmsg+0xcd/0x170 [ 550.088536][ T10] do_syscall_64+0xc6/0x1e0 [ 550.088536][ T10] [ 550.090623][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 550.090623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 550.090623][ T10] ipv6_find_idev+0x102/0x170 [ 550.090623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 550.090623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.090623][ T10] netlink_rcv_skb+0x130/0x360 [ 550.090623][ T10] netlink_unicast+0x449/0x710 [ 550.090623][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.090623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.090623][ T10] ___sys_sendmsg+0xee/0x170 [ 550.090623][ T10] __sys_sendmsg+0xcd/0x170 [ 550.090623][ T10] do_syscall_64+0xc6/0x1e0 [ 550.090623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 550.090623][ T10] [ 550.092162][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 550.092162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 550.092162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 550.092162][ T10] ipv6_find_idev+0x102/0x170 [ 550.092162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 550.092162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.092162][ T10] netlink_rcv_skb+0x130/0x360 [ 550.092162][ T10] netlink_unicast+0x449/0x710 [ 550.092162][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.092162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.092162][ T10] ___sys_sendmsg+0xee/0x170 [ 550.092162][ T10] __sys_sendmsg+0xcd/0x170 [ 550.092162][ T10] do_syscall_64+0xc6/0x1e0 [ 550.092162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 550.092162][ T10] [ 550.093861][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 550.094147][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 550.094147][ T10] netdev_get_by_index+0x5e/0x80 [ 550.094147][ T10] fib6_nh_init+0x3d8/0x1580 [ 550.094147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 550.094147][ T10] ip6_route_add+0x1c/0x140 [ 550.094147][ T10] addrconf_prefix_route+0x2a6/0x430 [ 550.094147][ T10] inet6_addr_add+0x4f8/0xa40 [ 550.094147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 550.094147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.094147][ T10] netlink_rcv_skb+0x130/0x360 [ 550.094147][ T10] netlink_unicast+0x449/0x710 [ 550.094147][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.094147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.094147][ T10] ___sys_sendmsg+0xee/0x170 [ 550.094147][ T10] __sys_sendmsg+0xcd/0x170 [ 550.094147][ T10] do_syscall_64+0xc6/0x1e0 [ 550.094147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 550.094147][ T10] [ 550.096146][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 550.096146][ T10] netdev_get_by_index+0x5e/0x80 [ 550.096146][ T10] fib6_nh_init+0x3d8/0x1580 [ 550.096146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 550.096146][ T10] addrconf_f6i_alloc+0x315/0x560 [ 550.096146][ T10] ipv6_add_addr+0x411/0x2000 [ 550.096146][ T10] inet6_addr_add+0x30e/0xa40 [ 550.096146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 550.096146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.096146][ T10] netlink_rcv_skb+0x130/0x360 [ 550.096146][ T10] netlink_unicast+0x449/0x710 [ 550.096146][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.096146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.096146][ T10] ___sys_sendmsg+0xee/0x170 [ 550.096146][ T10] __sys_sendmsg+0xcd/0x170 [ 550.096146][ T10] do_syscall_64+0xc6/0x1e0 [ 550.096146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 550.096146][ T10] [ 550.098133][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 550.098133][ T10] netdev_get_by_index+0x5e/0x80 [ 550.098133][ T10] fib6_nh_init+0x3d8/0x1580 [ 550.098133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 550.098133][ T10] ip6_route_add+0x1c/0x140 [ 550.098133][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 550.098133][ T10] addrconf_add_dev+0xe2/0x170 [ 550.098133][ T10] inet6_addr_add+0x12f/0xa40 [ 550.098133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 550.098133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.098133][ T10] netlink_rcv_skb+0x130/0x360 [ 550.098133][ T10] netlink_unicast+0x449/0x710 [ 550.098133][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.098133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.098133][ T10] ___sys_sendmsg+0xee/0x170 [ 550.098133][ T10] __sys_sendmsg+0xcd/0x170 [ 550.098133][ T10] do_syscall_64+0xc6/0x1e0 [ 550.098133][ T10] [ 550.100094][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 550.100094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 550.100094][ T10] ipv6_find_idev+0x102/0x170 [ 550.100094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 550.100094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.100094][ T10] netlink_rcv_skb+0x130/0x360 [ 550.100094][ T10] netlink_unicast+0x449/0x710 [ 550.100094][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.100094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.100094][ T10] ___sys_sendmsg+0xee/0x170 [ 550.100094][ T10] __sys_sendmsg+0xcd/0x170 [ 550.100094][ T10] do_syscall_64+0xc6/0x1e0 [ 550.100094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 550.100094][ T10] [ 550.101635][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 550.101635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 550.101635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 550.101635][ T10] ipv6_find_idev+0x102/0x170 [ 550.101635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 550.101635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.101635][ T10] netlink_rcv_skb+0x130/0x360 [ 550.101635][ T10] netlink_unicast+0x449/0x710 [ 550.101635][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.101635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.101635][ T10] ___sys_sendmsg+0xee/0x170 [ 550.101635][ T10] __sys_sendmsg+0xcd/0x170 [ 550.101635][ T10] do_syscall_64+0xc6/0x1e0 [ 550.101635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 550.101635][ T10] [ 550.103322][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 550.103563][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 550.103563][ T10] vlan_dev_init+0x97c/0xdd0 [ 550.103563][ T10] register_netdevice+0x4d3/0x1690 [ 550.103563][ T10] register_vlan_dev+0x162/0x4a0 [ 550.103563][ T10] vlan_newlink+0x393/0x610 [ 550.103563][ T10] rtnl_newlink_create+0x341/0x850 [ 550.103563][ T10] __rtnl_newlink+0xac9/0xd80 [ 550.103563][ T10] rtnl_newlink+0x63/0xa0 [ 550.103563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 550.103563][ T10] netlink_rcv_skb+0x130/0x360 [ 550.103563][ T10] netlink_unicast+0x449/0x710 [ 550.103563][ T10] netlink_sendmsg+0x723/0xbe0 [ 550.103563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 550.103563][ T10] ___sys_sendmsg+0xee/0x170 [ 550.103563][ T10] __sys_sendmsg+0xcd/0x170 [ 550.103563][ T10] do_syscall_64+0xc6/0x1e0 [ 550.103563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 550.103563][ T10] [ 560.348033][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 560.348589][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 560.348589][ T10] netdev_get_by_index+0x5e/0x80 [ 560.348589][ T10] fib6_nh_init+0x3d8/0x1580 [ 560.348589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 560.348589][ T10] ip6_route_add+0x1c/0x140 [ 560.348589][ T10] addrconf_prefix_route+0x2a6/0x430 [ 560.348589][ T10] inet6_addr_add+0x4f8/0xa40 [ 560.348589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 560.348589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.348589][ T10] netlink_rcv_skb+0x130/0x360 [ 560.348589][ T10] netlink_unicast+0x449/0x710 [ 560.348589][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.348589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.348589][ T10] ___sys_sendmsg+0xee/0x170 [ 560.348589][ T10] __sys_sendmsg+0xcd/0x170 [ 560.348589][ T10] do_syscall_64+0xc6/0x1e0 [ 560.348589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 560.348589][ T10] [ 560.350909][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 560.350909][ T10] netdev_get_by_index+0x5e/0x80 [ 560.350909][ T10] fib6_nh_init+0x3d8/0x1580 [ 560.350909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 560.350909][ T10] addrconf_f6i_alloc+0x315/0x560 [ 560.350909][ T10] ipv6_add_addr+0x411/0x2000 [ 560.350909][ T10] inet6_addr_add+0x30e/0xa40 [ 560.350909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 560.350909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.350909][ T10] netlink_rcv_skb+0x130/0x360 [ 560.350909][ T10] netlink_unicast+0x449/0x710 [ 560.350909][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.350909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.350909][ T10] ___sys_sendmsg+0xee/0x170 [ 560.350909][ T10] __sys_sendmsg+0xcd/0x170 [ 560.350909][ T10] do_syscall_64+0xc6/0x1e0 [ 560.350909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 560.350909][ T10] [ 560.353208][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 560.353208][ T10] netdev_get_by_index+0x5e/0x80 [ 560.353208][ T10] fib6_nh_init+0x3d8/0x1580 [ 560.353208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 560.353208][ T10] ip6_route_add+0x1c/0x140 [ 560.353208][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 560.353208][ T10] addrconf_add_dev+0xe2/0x170 [ 560.353208][ T10] inet6_addr_add+0x12f/0xa40 [ 560.353208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 560.353208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.353208][ T10] netlink_rcv_skb+0x130/0x360 [ 560.353208][ T10] netlink_unicast+0x449/0x710 [ 560.353208][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.353208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.353208][ T10] ___sys_sendmsg+0xee/0x170 [ 560.353208][ T10] __sys_sendmsg+0xcd/0x170 [ 560.353208][ T10] do_syscall_64+0xc6/0x1e0 [ 560.353208][ T10] [ 560.355449][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 560.355449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 560.355449][ T10] ipv6_find_idev+0x102/0x170 [ 560.355449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 560.355449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.355449][ T10] netlink_rcv_skb+0x130/0x360 [ 560.355449][ T10] netlink_unicast+0x449/0x710 [ 560.355449][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.355449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.355449][ T10] ___sys_sendmsg+0xee/0x170 [ 560.355449][ T10] __sys_sendmsg+0xcd/0x170 [ 560.355449][ T10] do_syscall_64+0xc6/0x1e0 [ 560.355449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 560.355449][ T10] [ 560.357193][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 560.357193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 560.357193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 560.357193][ T10] ipv6_find_idev+0x102/0x170 [ 560.357193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 560.357193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.357193][ T10] netlink_rcv_skb+0x130/0x360 [ 560.357193][ T10] netlink_unicast+0x449/0x710 [ 560.357193][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.357193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.357193][ T10] ___sys_sendmsg+0xee/0x170 [ 560.357193][ T10] __sys_sendmsg+0xcd/0x170 [ 560.357193][ T10] do_syscall_64+0xc6/0x1e0 [ 560.357193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 560.357193][ T10] [ 560.359134][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 560.359436][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 560.359436][ T10] netdev_get_by_index+0x5e/0x80 [ 560.359436][ T10] fib6_nh_init+0x3d8/0x1580 [ 560.359436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 560.359436][ T10] ip6_route_add+0x1c/0x140 [ 560.359436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 560.359436][ T10] inet6_addr_add+0x4f8/0xa40 [ 560.359436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 560.359436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.359436][ T10] netlink_rcv_skb+0x130/0x360 [ 560.359436][ T10] netlink_unicast+0x449/0x710 [ 560.359436][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.359436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.359436][ T10] ___sys_sendmsg+0xee/0x170 [ 560.359436][ T10] __sys_sendmsg+0xcd/0x170 [ 560.359436][ T10] do_syscall_64+0xc6/0x1e0 [ 560.359436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 560.359436][ T10] [ 560.361826][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 560.361826][ T10] netdev_get_by_index+0x5e/0x80 [ 560.361826][ T10] fib6_nh_init+0x3d8/0x1580 [ 560.361826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 560.361826][ T10] addrconf_f6i_alloc+0x315/0x560 [ 560.361826][ T10] ipv6_add_addr+0x411/0x2000 [ 560.361826][ T10] inet6_addr_add+0x30e/0xa40 [ 560.361826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 560.361826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.361826][ T10] netlink_rcv_skb+0x130/0x360 [ 560.361826][ T10] netlink_unicast+0x449/0x710 [ 560.361826][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.361826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.361826][ T10] ___sys_sendmsg+0xee/0x170 [ 560.361826][ T10] __sys_sendmsg+0xcd/0x170 [ 560.361826][ T10] do_syscall_64+0xc6/0x1e0 [ 560.361826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 560.361826][ T10] [ 560.364072][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 560.364072][ T10] netdev_get_by_index+0x5e/0x80 [ 560.364072][ T10] fib6_nh_init+0x3d8/0x1580 [ 560.364072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 560.364072][ T10] ip6_route_add+0x1c/0x140 [ 560.364072][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 560.364072][ T10] addrconf_add_dev+0xe2/0x170 [ 560.364072][ T10] inet6_addr_add+0x12f/0xa40 [ 560.364072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 560.364072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.364072][ T10] netlink_rcv_skb+0x130/0x360 [ 560.364072][ T10] netlink_unicast+0x449/0x710 [ 560.364072][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.364072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.364072][ T10] ___sys_sendmsg+0xee/0x170 [ 560.364072][ T10] __sys_sendmsg+0xcd/0x170 [ 560.364072][ T10] do_syscall_64+0xc6/0x1e0 [ 560.364072][ T10] [ 560.366298][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 560.366298][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 560.366298][ T10] ipv6_find_idev+0x102/0x170 [ 560.366298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 560.366298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.366298][ T10] netlink_rcv_skb+0x130/0x360 [ 560.366298][ T10] netlink_unicast+0x449/0x710 [ 560.366298][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.366298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.366298][ T10] ___sys_sendmsg+0xee/0x170 [ 560.366298][ T10] __sys_sendmsg+0xcd/0x170 [ 560.366298][ T10] do_syscall_64+0xc6/0x1e0 [ 560.366298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 560.366298][ T10] [ 560.368048][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 560.368048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 560.368048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 560.368048][ T10] ipv6_find_idev+0x102/0x170 [ 560.368048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 560.368048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.368048][ T10] netlink_rcv_skb+0x130/0x360 [ 560.368048][ T10] netlink_unicast+0x449/0x710 [ 560.368048][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.368048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.368048][ T10] ___sys_sendmsg+0xee/0x170 [ 560.368048][ T10] __sys_sendmsg+0xcd/0x170 [ 560.368048][ T10] do_syscall_64+0xc6/0x1e0 [ 560.368048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 560.368048][ T10] [ 560.369950][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 560.370221][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 560.370221][ T10] vlan_dev_init+0x97c/0xdd0 [ 560.370221][ T10] register_netdevice+0x4d3/0x1690 [ 560.370221][ T10] register_vlan_dev+0x162/0x4a0 [ 560.370221][ T10] vlan_newlink+0x393/0x610 [ 560.370221][ T10] rtnl_newlink_create+0x341/0x850 [ 560.370221][ T10] __rtnl_newlink+0xac9/0xd80 [ 560.370221][ T10] rtnl_newlink+0x63/0xa0 [ 560.370221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 560.370221][ T10] netlink_rcv_skb+0x130/0x360 [ 560.370221][ T10] netlink_unicast+0x449/0x710 [ 560.370221][ T10] netlink_sendmsg+0x723/0xbe0 [ 560.370221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 560.370221][ T10] ___sys_sendmsg+0xee/0x170 [ 560.370221][ T10] __sys_sendmsg+0xcd/0x170 [ 560.370221][ T10] do_syscall_64+0xc6/0x1e0 [ 560.370221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 560.370221][ T10] [ 570.612028][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 570.612525][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 570.612525][ T10] netdev_get_by_index+0x5e/0x80 [ 570.612525][ T10] fib6_nh_init+0x3d8/0x1580 [ 570.612525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 570.612525][ T10] ip6_route_add+0x1c/0x140 [ 570.612525][ T10] addrconf_prefix_route+0x2a6/0x430 [ 570.612525][ T10] inet6_addr_add+0x4f8/0xa40 [ 570.612525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 570.612525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.612525][ T10] netlink_rcv_skb+0x130/0x360 [ 570.612525][ T10] netlink_unicast+0x449/0x710 [ 570.612525][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.612525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.612525][ T10] ___sys_sendmsg+0xee/0x170 [ 570.612525][ T10] __sys_sendmsg+0xcd/0x170 [ 570.612525][ T10] do_syscall_64+0xc6/0x1e0 [ 570.612525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 570.612525][ T10] [ 570.614622][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 570.614622][ T10] netdev_get_by_index+0x5e/0x80 [ 570.614622][ T10] fib6_nh_init+0x3d8/0x1580 [ 570.614622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 570.614622][ T10] addrconf_f6i_alloc+0x315/0x560 [ 570.614622][ T10] ipv6_add_addr+0x411/0x2000 [ 570.614622][ T10] inet6_addr_add+0x30e/0xa40 [ 570.614622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 570.614622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.614622][ T10] netlink_rcv_skb+0x130/0x360 [ 570.614622][ T10] netlink_unicast+0x449/0x710 [ 570.614622][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.614622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.614622][ T10] ___sys_sendmsg+0xee/0x170 [ 570.614622][ T10] __sys_sendmsg+0xcd/0x170 [ 570.614622][ T10] do_syscall_64+0xc6/0x1e0 [ 570.614622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 570.614622][ T10] [ 570.616654][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 570.616654][ T10] netdev_get_by_index+0x5e/0x80 [ 570.616654][ T10] fib6_nh_init+0x3d8/0x1580 [ 570.616654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 570.616654][ T10] ip6_route_add+0x1c/0x140 [ 570.616654][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 570.616654][ T10] addrconf_add_dev+0xe2/0x170 [ 570.616654][ T10] inet6_addr_add+0x12f/0xa40 [ 570.616654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 570.616654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.616654][ T10] netlink_rcv_skb+0x130/0x360 [ 570.616654][ T10] netlink_unicast+0x449/0x710 [ 570.616654][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.616654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.616654][ T10] ___sys_sendmsg+0xee/0x170 [ 570.616654][ T10] __sys_sendmsg+0xcd/0x170 [ 570.616654][ T10] do_syscall_64+0xc6/0x1e0 [ 570.616654][ T10] [ 570.618652][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 570.618652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 570.618652][ T10] ipv6_find_idev+0x102/0x170 [ 570.618652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 570.618652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.618652][ T10] netlink_rcv_skb+0x130/0x360 [ 570.618652][ T10] netlink_unicast+0x449/0x710 [ 570.618652][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.618652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.618652][ T10] ___sys_sendmsg+0xee/0x170 [ 570.618652][ T10] __sys_sendmsg+0xcd/0x170 [ 570.618652][ T10] do_syscall_64+0xc6/0x1e0 [ 570.618652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 570.618652][ T10] [ 570.620238][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 570.620238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 570.620238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 570.620238][ T10] ipv6_find_idev+0x102/0x170 [ 570.620238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 570.620238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.620238][ T10] netlink_rcv_skb+0x130/0x360 [ 570.620238][ T10] netlink_unicast+0x449/0x710 [ 570.620238][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.620238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.620238][ T10] ___sys_sendmsg+0xee/0x170 [ 570.620238][ T10] __sys_sendmsg+0xcd/0x170 [ 570.620238][ T10] do_syscall_64+0xc6/0x1e0 [ 570.620238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 570.620238][ T10] [ 570.621962][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 570.622241][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 570.622241][ T10] netdev_get_by_index+0x5e/0x80 [ 570.622241][ T10] fib6_nh_init+0x3d8/0x1580 [ 570.622241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 570.622241][ T10] ip6_route_add+0x1c/0x140 [ 570.622241][ T10] addrconf_prefix_route+0x2a6/0x430 [ 570.622241][ T10] inet6_addr_add+0x4f8/0xa40 [ 570.622241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 570.622241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.622241][ T10] netlink_rcv_skb+0x130/0x360 [ 570.622241][ T10] netlink_unicast+0x449/0x710 [ 570.622241][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.622241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.622241][ T10] ___sys_sendmsg+0xee/0x170 [ 570.622241][ T10] __sys_sendmsg+0xcd/0x170 [ 570.622241][ T10] do_syscall_64+0xc6/0x1e0 [ 570.622241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 570.622241][ T10] [ 570.624239][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 570.624239][ T10] netdev_get_by_index+0x5e/0x80 [ 570.624239][ T10] fib6_nh_init+0x3d8/0x1580 [ 570.624239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 570.624239][ T10] addrconf_f6i_alloc+0x315/0x560 [ 570.624239][ T10] ipv6_add_addr+0x411/0x2000 [ 570.624239][ T10] inet6_addr_add+0x30e/0xa40 [ 570.624239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 570.624239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.624239][ T10] netlink_rcv_skb+0x130/0x360 [ 570.624239][ T10] netlink_unicast+0x449/0x710 [ 570.624239][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.624239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.624239][ T10] ___sys_sendmsg+0xee/0x170 [ 570.624239][ T10] __sys_sendmsg+0xcd/0x170 [ 570.624239][ T10] do_syscall_64+0xc6/0x1e0 [ 570.624239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 570.624239][ T10] [ 570.626287][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 570.626287][ T10] netdev_get_by_index+0x5e/0x80 [ 570.626287][ T10] fib6_nh_init+0x3d8/0x1580 [ 570.626287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 570.626287][ T10] ip6_route_add+0x1c/0x140 [ 570.626287][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 570.626287][ T10] addrconf_add_dev+0xe2/0x170 [ 570.626287][ T10] inet6_addr_add+0x12f/0xa40 [ 570.626287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 570.626287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.626287][ T10] netlink_rcv_skb+0x130/0x360 [ 570.626287][ T10] netlink_unicast+0x449/0x710 [ 570.626287][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.626287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.626287][ T10] ___sys_sendmsg+0xee/0x170 [ 570.626287][ T10] __sys_sendmsg+0xcd/0x170 [ 570.626287][ T10] do_syscall_64+0xc6/0x1e0 [ 570.626287][ T10] [ 570.628222][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 570.628222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 570.628222][ T10] ipv6_find_idev+0x102/0x170 [ 570.628222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 570.628222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.628222][ T10] netlink_rcv_skb+0x130/0x360 [ 570.628222][ T10] netlink_unicast+0x449/0x710 [ 570.628222][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.628222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.628222][ T10] ___sys_sendmsg+0xee/0x170 [ 570.628222][ T10] __sys_sendmsg+0xcd/0x170 [ 570.628222][ T10] do_syscall_64+0xc6/0x1e0 [ 570.628222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 570.628222][ T10] [ 570.629757][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 570.629757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 570.629757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 570.629757][ T10] ipv6_find_idev+0x102/0x170 [ 570.629757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 570.629757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.629757][ T10] netlink_rcv_skb+0x130/0x360 [ 570.629757][ T10] netlink_unicast+0x449/0x710 [ 570.629757][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.629757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.629757][ T10] ___sys_sendmsg+0xee/0x170 [ 570.629757][ T10] __sys_sendmsg+0xcd/0x170 [ 570.629757][ T10] do_syscall_64+0xc6/0x1e0 [ 570.629757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 570.629757][ T10] [ 570.631482][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 570.631727][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 570.631727][ T10] vlan_dev_init+0x97c/0xdd0 [ 570.631727][ T10] register_netdevice+0x4d3/0x1690 [ 570.631727][ T10] register_vlan_dev+0x162/0x4a0 [ 570.631727][ T10] vlan_newlink+0x393/0x610 [ 570.631727][ T10] rtnl_newlink_create+0x341/0x850 [ 570.631727][ T10] __rtnl_newlink+0xac9/0xd80 [ 570.631727][ T10] rtnl_newlink+0x63/0xa0 [ 570.631727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 570.631727][ T10] netlink_rcv_skb+0x130/0x360 [ 570.631727][ T10] netlink_unicast+0x449/0x710 [ 570.631727][ T10] netlink_sendmsg+0x723/0xbe0 [ 570.631727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 570.631727][ T10] ___sys_sendmsg+0xee/0x170 [ 570.631727][ T10] __sys_sendmsg+0xcd/0x170 [ 570.631727][ T10] do_syscall_64+0xc6/0x1e0 [ 570.631727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 570.631727][ T10] [ 580.876009][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 580.876478][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 580.876478][ T10] netdev_get_by_index+0x5e/0x80 [ 580.876478][ T10] fib6_nh_init+0x3d8/0x1580 [ 580.876478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 580.876478][ T10] ip6_route_add+0x1c/0x140 [ 580.876478][ T10] addrconf_prefix_route+0x2a6/0x430 [ 580.876478][ T10] inet6_addr_add+0x4f8/0xa40 [ 580.876478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 580.876478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.876478][ T10] netlink_rcv_skb+0x130/0x360 [ 580.876478][ T10] netlink_unicast+0x449/0x710 [ 580.876478][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.876478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.876478][ T10] ___sys_sendmsg+0xee/0x170 [ 580.876478][ T10] __sys_sendmsg+0xcd/0x170 [ 580.876478][ T10] do_syscall_64+0xc6/0x1e0 [ 580.876478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 580.876478][ T10] [ 580.878543][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 580.878543][ T10] netdev_get_by_index+0x5e/0x80 [ 580.878543][ T10] fib6_nh_init+0x3d8/0x1580 [ 580.878543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 580.878543][ T10] addrconf_f6i_alloc+0x315/0x560 [ 580.878543][ T10] ipv6_add_addr+0x411/0x2000 [ 580.878543][ T10] inet6_addr_add+0x30e/0xa40 [ 580.878543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 580.878543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.878543][ T10] netlink_rcv_skb+0x130/0x360 [ 580.878543][ T10] netlink_unicast+0x449/0x710 [ 580.878543][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.878543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.878543][ T10] ___sys_sendmsg+0xee/0x170 [ 580.878543][ T10] __sys_sendmsg+0xcd/0x170 [ 580.878543][ T10] do_syscall_64+0xc6/0x1e0 [ 580.878543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 580.878543][ T10] [ 580.880582][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 580.880582][ T10] netdev_get_by_index+0x5e/0x80 [ 580.880582][ T10] fib6_nh_init+0x3d8/0x1580 [ 580.880582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 580.880582][ T10] ip6_route_add+0x1c/0x140 [ 580.880582][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 580.880582][ T10] addrconf_add_dev+0xe2/0x170 [ 580.880582][ T10] inet6_addr_add+0x12f/0xa40 [ 580.880582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 580.880582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.880582][ T10] netlink_rcv_skb+0x130/0x360 [ 580.880582][ T10] netlink_unicast+0x449/0x710 [ 580.880582][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.880582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.880582][ T10] ___sys_sendmsg+0xee/0x170 [ 580.880582][ T10] __sys_sendmsg+0xcd/0x170 [ 580.880582][ T10] do_syscall_64+0xc6/0x1e0 [ 580.880582][ T10] [ 580.882560][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 580.882560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 580.882560][ T10] ipv6_find_idev+0x102/0x170 [ 580.882560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 580.882560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.882560][ T10] netlink_rcv_skb+0x130/0x360 [ 580.882560][ T10] netlink_unicast+0x449/0x710 [ 580.882560][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.882560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.882560][ T10] ___sys_sendmsg+0xee/0x170 [ 580.882560][ T10] __sys_sendmsg+0xcd/0x170 [ 580.882560][ T10] do_syscall_64+0xc6/0x1e0 [ 580.882560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 580.882560][ T10] [ 580.884115][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 580.884115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 580.884115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 580.884115][ T10] ipv6_find_idev+0x102/0x170 [ 580.884115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 580.884115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.884115][ T10] netlink_rcv_skb+0x130/0x360 [ 580.884115][ T10] netlink_unicast+0x449/0x710 [ 580.884115][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.884115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.884115][ T10] ___sys_sendmsg+0xee/0x170 [ 580.884115][ T10] __sys_sendmsg+0xcd/0x170 [ 580.884115][ T10] do_syscall_64+0xc6/0x1e0 [ 580.884115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 580.884115][ T10] [ 580.885845][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 580.886142][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 580.886142][ T10] netdev_get_by_index+0x5e/0x80 [ 580.886142][ T10] fib6_nh_init+0x3d8/0x1580 [ 580.886142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 580.886142][ T10] ip6_route_add+0x1c/0x140 [ 580.886142][ T10] addrconf_prefix_route+0x2a6/0x430 [ 580.886142][ T10] inet6_addr_add+0x4f8/0xa40 [ 580.886142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 580.886142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.886142][ T10] netlink_rcv_skb+0x130/0x360 [ 580.886142][ T10] netlink_unicast+0x449/0x710 [ 580.886142][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.886142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.886142][ T10] ___sys_sendmsg+0xee/0x170 [ 580.886142][ T10] __sys_sendmsg+0xcd/0x170 [ 580.886142][ T10] do_syscall_64+0xc6/0x1e0 [ 580.886142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 580.886142][ T10] [ 580.888161][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 580.888161][ T10] netdev_get_by_index+0x5e/0x80 [ 580.888161][ T10] fib6_nh_init+0x3d8/0x1580 [ 580.888161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 580.888161][ T10] addrconf_f6i_alloc+0x315/0x560 [ 580.888161][ T10] ipv6_add_addr+0x411/0x2000 [ 580.888161][ T10] inet6_addr_add+0x30e/0xa40 [ 580.888161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 580.888161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.888161][ T10] netlink_rcv_skb+0x130/0x360 [ 580.888161][ T10] netlink_unicast+0x449/0x710 [ 580.888161][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.888161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.888161][ T10] ___sys_sendmsg+0xee/0x170 [ 580.888161][ T10] __sys_sendmsg+0xcd/0x170 [ 580.888161][ T10] do_syscall_64+0xc6/0x1e0 [ 580.888161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 580.888161][ T10] [ 580.890178][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 580.890178][ T10] netdev_get_by_index+0x5e/0x80 [ 580.890178][ T10] fib6_nh_init+0x3d8/0x1580 [ 580.890178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 580.890178][ T10] ip6_route_add+0x1c/0x140 [ 580.890178][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 580.890178][ T10] addrconf_add_dev+0xe2/0x170 [ 580.890178][ T10] inet6_addr_add+0x12f/0xa40 [ 580.890178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 580.890178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.890178][ T10] netlink_rcv_skb+0x130/0x360 [ 580.890178][ T10] netlink_unicast+0x449/0x710 [ 580.890178][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.890178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.890178][ T10] ___sys_sendmsg+0xee/0x170 [ 580.890178][ T10] __sys_sendmsg+0xcd/0x170 [ 580.890178][ T10] do_syscall_64+0xc6/0x1e0 [ 580.890178][ T10] [ 580.892196][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 580.892196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 580.892196][ T10] ipv6_find_idev+0x102/0x170 [ 580.892196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 580.892196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.892196][ T10] netlink_rcv_skb+0x130/0x360 [ 580.892196][ T10] netlink_unicast+0x449/0x710 [ 580.892196][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.892196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.892196][ T10] ___sys_sendmsg+0xee/0x170 [ 580.892196][ T10] __sys_sendmsg+0xcd/0x170 [ 580.892196][ T10] do_syscall_64+0xc6/0x1e0 [ 580.892196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 580.892196][ T10] [ 580.893764][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 580.893764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 580.893764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 580.893764][ T10] ipv6_find_idev+0x102/0x170 [ 580.893764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 580.893764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.893764][ T10] netlink_rcv_skb+0x130/0x360 [ 580.893764][ T10] netlink_unicast+0x449/0x710 [ 580.893764][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.893764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.893764][ T10] ___sys_sendmsg+0xee/0x170 [ 580.893764][ T10] __sys_sendmsg+0xcd/0x170 [ 580.893764][ T10] do_syscall_64+0xc6/0x1e0 [ 580.893764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 580.893764][ T10] [ 580.895456][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 580.895722][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 580.895722][ T10] vlan_dev_init+0x97c/0xdd0 [ 580.895722][ T10] register_netdevice+0x4d3/0x1690 [ 580.895722][ T10] register_vlan_dev+0x162/0x4a0 [ 580.895722][ T10] vlan_newlink+0x393/0x610 [ 580.895722][ T10] rtnl_newlink_create+0x341/0x850 [ 580.895722][ T10] __rtnl_newlink+0xac9/0xd80 [ 580.895722][ T10] rtnl_newlink+0x63/0xa0 [ 580.895722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 580.895722][ T10] netlink_rcv_skb+0x130/0x360 [ 580.895722][ T10] netlink_unicast+0x449/0x710 [ 580.895722][ T10] netlink_sendmsg+0x723/0xbe0 [ 580.895722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 580.895722][ T10] ___sys_sendmsg+0xee/0x170 [ 580.895722][ T10] __sys_sendmsg+0xcd/0x170 [ 580.895722][ T10] do_syscall_64+0xc6/0x1e0 [ 580.895722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 580.895722][ T10] [ 590.996160][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 590.996624][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 590.996624][ T10] netdev_get_by_index+0x5e/0x80 [ 590.996624][ T10] fib6_nh_init+0x3d8/0x1580 [ 590.996624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 590.996624][ T10] ip6_route_add+0x1c/0x140 [ 590.996624][ T10] addrconf_prefix_route+0x2a6/0x430 [ 590.996624][ T10] inet6_addr_add+0x4f8/0xa40 [ 590.996624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 590.996624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 590.996624][ T10] netlink_rcv_skb+0x130/0x360 [ 590.996624][ T10] netlink_unicast+0x449/0x710 [ 590.996624][ T10] netlink_sendmsg+0x723/0xbe0 [ 590.996624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 590.996624][ T10] ___sys_sendmsg+0xee/0x170 [ 590.996624][ T10] __sys_sendmsg+0xcd/0x170 [ 590.996624][ T10] do_syscall_64+0xc6/0x1e0 [ 590.996624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 590.996624][ T10] [ 590.998691][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 590.998691][ T10] netdev_get_by_index+0x5e/0x80 [ 590.998691][ T10] fib6_nh_init+0x3d8/0x1580 [ 590.998691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 590.998691][ T10] addrconf_f6i_alloc+0x315/0x560 [ 590.998691][ T10] ipv6_add_addr+0x411/0x2000 [ 590.998691][ T10] inet6_addr_add+0x30e/0xa40 [ 590.998691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 590.998691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 590.998691][ T10] netlink_rcv_skb+0x130/0x360 [ 590.998691][ T10] netlink_unicast+0x449/0x710 [ 590.998691][ T10] netlink_sendmsg+0x723/0xbe0 [ 590.998691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 590.998691][ T10] ___sys_sendmsg+0xee/0x170 [ 590.998691][ T10] __sys_sendmsg+0xcd/0x170 [ 590.998691][ T10] do_syscall_64+0xc6/0x1e0 [ 590.998691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 590.998691][ T10] [ 591.000732][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 591.000732][ T10] netdev_get_by_index+0x5e/0x80 [ 591.000732][ T10] fib6_nh_init+0x3d8/0x1580 [ 591.000732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.000732][ T10] ip6_route_add+0x1c/0x140 [ 591.000732][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 591.000732][ T10] addrconf_add_dev+0xe2/0x170 [ 591.000732][ T10] inet6_addr_add+0x12f/0xa40 [ 591.000732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.000732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.000732][ T10] netlink_rcv_skb+0x130/0x360 [ 591.000732][ T10] netlink_unicast+0x449/0x710 [ 591.000732][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.000732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.000732][ T10] ___sys_sendmsg+0xee/0x170 [ 591.000732][ T10] __sys_sendmsg+0xcd/0x170 [ 591.000732][ T10] do_syscall_64+0xc6/0x1e0 [ 591.000732][ T10] [ 591.002726][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 591.002726][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 591.002726][ T10] ipv6_find_idev+0x102/0x170 [ 591.002726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.002726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.002726][ T10] netlink_rcv_skb+0x130/0x360 [ 591.002726][ T10] netlink_unicast+0x449/0x710 [ 591.002726][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.002726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.002726][ T10] ___sys_sendmsg+0xee/0x170 [ 591.002726][ T10] __sys_sendmsg+0xcd/0x170 [ 591.002726][ T10] do_syscall_64+0xc6/0x1e0 [ 591.002726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.002726][ T10] [ 591.004294][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 591.004294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 591.004294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 591.004294][ T10] ipv6_find_idev+0x102/0x170 [ 591.004294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.004294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.004294][ T10] netlink_rcv_skb+0x130/0x360 [ 591.004294][ T10] netlink_unicast+0x449/0x710 [ 591.004294][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.004294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.004294][ T10] ___sys_sendmsg+0xee/0x170 [ 591.004294][ T10] __sys_sendmsg+0xcd/0x170 [ 591.004294][ T10] do_syscall_64+0xc6/0x1e0 [ 591.004294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.004294][ T10] [ 591.006023][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 591.006310][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 591.006310][ T10] netdev_get_by_index+0x5e/0x80 [ 591.006310][ T10] fib6_nh_init+0x3d8/0x1580 [ 591.006310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.006310][ T10] ip6_route_add+0x1c/0x140 [ 591.006310][ T10] addrconf_prefix_route+0x2a6/0x430 [ 591.006310][ T10] inet6_addr_add+0x4f8/0xa40 [ 591.006310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.006310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.006310][ T10] netlink_rcv_skb+0x130/0x360 [ 591.006310][ T10] netlink_unicast+0x449/0x710 [ 591.006310][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.006310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.006310][ T10] ___sys_sendmsg+0xee/0x170 [ 591.006310][ T10] __sys_sendmsg+0xcd/0x170 [ 591.006310][ T10] do_syscall_64+0xc6/0x1e0 [ 591.006310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.006310][ T10] [ 591.008341][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 591.008341][ T10] netdev_get_by_index+0x5e/0x80 [ 591.008341][ T10] fib6_nh_init+0x3d8/0x1580 [ 591.008341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.008341][ T10] addrconf_f6i_alloc+0x315/0x560 [ 591.008341][ T10] ipv6_add_addr+0x411/0x2000 [ 591.008341][ T10] inet6_addr_add+0x30e/0xa40 [ 591.008341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.008341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.008341][ T10] netlink_rcv_skb+0x130/0x360 [ 591.008341][ T10] netlink_unicast+0x449/0x710 [ 591.008341][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.008341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.008341][ T10] ___sys_sendmsg+0xee/0x170 [ 591.008341][ T10] __sys_sendmsg+0xcd/0x170 [ 591.008341][ T10] do_syscall_64+0xc6/0x1e0 [ 591.008341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.008341][ T10] [ 591.010369][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 591.010369][ T10] netdev_get_by_index+0x5e/0x80 [ 591.010369][ T10] fib6_nh_init+0x3d8/0x1580 [ 591.010369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 591.010369][ T10] ip6_route_add+0x1c/0x140 [ 591.010369][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 591.010369][ T10] addrconf_add_dev+0xe2/0x170 [ 591.010369][ T10] inet6_addr_add+0x12f/0xa40 [ 591.010369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 591.010369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.010369][ T10] netlink_rcv_skb+0x130/0x360 [ 591.010369][ T10] netlink_unicast+0x449/0x710 [ 591.010369][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.010369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.010369][ T10] ___sys_sendmsg+0xee/0x170 [ 591.010369][ T10] __sys_sendmsg+0xcd/0x170 [ 591.010369][ T10] do_syscall_64+0xc6/0x1e0 [ 591.010369][ T10] [ 591.012352][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 591.012352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 591.012352][ T10] ipv6_find_idev+0x102/0x170 [ 591.012352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.012352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.012352][ T10] netlink_rcv_skb+0x130/0x360 [ 591.012352][ T10] netlink_unicast+0x449/0x710 [ 591.012352][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.012352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.012352][ T10] ___sys_sendmsg+0xee/0x170 [ 591.012352][ T10] __sys_sendmsg+0xcd/0x170 [ 591.012352][ T10] do_syscall_64+0xc6/0x1e0 [ 591.012352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.012352][ T10] [ 591.013906][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 591.013906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 591.013906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 591.013906][ T10] ipv6_find_idev+0x102/0x170 [ 591.013906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 591.013906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.013906][ T10] netlink_rcv_skb+0x130/0x360 [ 591.013906][ T10] netlink_unicast+0x449/0x710 [ 591.013906][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.013906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.013906][ T10] ___sys_sendmsg+0xee/0x170 [ 591.013906][ T10] __sys_sendmsg+0xcd/0x170 [ 591.013906][ T10] do_syscall_64+0xc6/0x1e0 [ 591.013906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.013906][ T10] [ 591.015613][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 591.015855][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 591.015855][ T10] vlan_dev_init+0x97c/0xdd0 [ 591.015855][ T10] register_netdevice+0x4d3/0x1690 [ 591.015855][ T10] register_vlan_dev+0x162/0x4a0 [ 591.015855][ T10] vlan_newlink+0x393/0x610 [ 591.015855][ T10] rtnl_newlink_create+0x341/0x850 [ 591.015855][ T10] __rtnl_newlink+0xac9/0xd80 [ 591.015855][ T10] rtnl_newlink+0x63/0xa0 [ 591.015855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 591.015855][ T10] netlink_rcv_skb+0x130/0x360 [ 591.015855][ T10] netlink_unicast+0x449/0x710 [ 591.015855][ T10] netlink_sendmsg+0x723/0xbe0 [ 591.015855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 591.015855][ T10] ___sys_sendmsg+0xee/0x170 [ 591.015855][ T10] __sys_sendmsg+0xcd/0x170 [ 591.015855][ T10] do_syscall_64+0xc6/0x1e0 [ 591.015855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 591.015855][ T10] [ 601.220038][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 601.220468][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 601.220468][ T10] netdev_get_by_index+0x5e/0x80 [ 601.220468][ T10] fib6_nh_init+0x3d8/0x1580 [ 601.220468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 601.220468][ T10] ip6_route_add+0x1c/0x140 [ 601.220468][ T10] addrconf_prefix_route+0x2a6/0x430 [ 601.220468][ T10] inet6_addr_add+0x4f8/0xa40 [ 601.220468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 601.220468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.220468][ T10] netlink_rcv_skb+0x130/0x360 [ 601.220468][ T10] netlink_unicast+0x449/0x710 [ 601.220468][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.220468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.220468][ T10] ___sys_sendmsg+0xee/0x170 [ 601.220468][ T10] __sys_sendmsg+0xcd/0x170 [ 601.220468][ T10] do_syscall_64+0xc6/0x1e0 [ 601.220468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 601.220468][ T10] [ 601.222548][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 601.222548][ T10] netdev_get_by_index+0x5e/0x80 [ 601.222548][ T10] fib6_nh_init+0x3d8/0x1580 [ 601.222548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 601.222548][ T10] addrconf_f6i_alloc+0x315/0x560 [ 601.222548][ T10] ipv6_add_addr+0x411/0x2000 [ 601.222548][ T10] inet6_addr_add+0x30e/0xa40 [ 601.222548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 601.222548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.222548][ T10] netlink_rcv_skb+0x130/0x360 [ 601.222548][ T10] netlink_unicast+0x449/0x710 [ 601.222548][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.222548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.222548][ T10] ___sys_sendmsg+0xee/0x170 [ 601.222548][ T10] __sys_sendmsg+0xcd/0x170 [ 601.222548][ T10] do_syscall_64+0xc6/0x1e0 [ 601.222548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 601.222548][ T10] [ 601.224563][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 601.224563][ T10] netdev_get_by_index+0x5e/0x80 [ 601.224563][ T10] fib6_nh_init+0x3d8/0x1580 [ 601.224563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 601.224563][ T10] ip6_route_add+0x1c/0x140 [ 601.224563][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 601.224563][ T10] addrconf_add_dev+0xe2/0x170 [ 601.224563][ T10] inet6_addr_add+0x12f/0xa40 [ 601.224563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 601.224563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.224563][ T10] netlink_rcv_skb+0x130/0x360 [ 601.224563][ T10] netlink_unicast+0x449/0x710 [ 601.224563][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.224563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.224563][ T10] ___sys_sendmsg+0xee/0x170 [ 601.224563][ T10] __sys_sendmsg+0xcd/0x170 [ 601.224563][ T10] do_syscall_64+0xc6/0x1e0 [ 601.224563][ T10] [ 601.226550][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 601.226550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 601.226550][ T10] ipv6_find_idev+0x102/0x170 [ 601.226550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 601.226550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.226550][ T10] netlink_rcv_skb+0x130/0x360 [ 601.226550][ T10] netlink_unicast+0x449/0x710 [ 601.226550][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.226550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.226550][ T10] ___sys_sendmsg+0xee/0x170 [ 601.226550][ T10] __sys_sendmsg+0xcd/0x170 [ 601.226550][ T10] do_syscall_64+0xc6/0x1e0 [ 601.226550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 601.226550][ T10] [ 601.228104][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 601.228104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 601.228104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 601.228104][ T10] ipv6_find_idev+0x102/0x170 [ 601.228104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 601.228104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.228104][ T10] netlink_rcv_skb+0x130/0x360 [ 601.228104][ T10] netlink_unicast+0x449/0x710 [ 601.228104][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.228104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.228104][ T10] ___sys_sendmsg+0xee/0x170 [ 601.228104][ T10] __sys_sendmsg+0xcd/0x170 [ 601.228104][ T10] do_syscall_64+0xc6/0x1e0 [ 601.228104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 601.228104][ T10] [ 601.229845][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 601.230234][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 601.230234][ T10] netdev_get_by_index+0x5e/0x80 [ 601.230234][ T10] fib6_nh_init+0x3d8/0x1580 [ 601.230234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 601.230234][ T10] ip6_route_add+0x1c/0x140 [ 601.230234][ T10] addrconf_prefix_route+0x2a6/0x430 [ 601.230234][ T10] inet6_addr_add+0x4f8/0xa40 [ 601.230234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 601.230234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.230234][ T10] netlink_rcv_skb+0x130/0x360 [ 601.230234][ T10] netlink_unicast+0x449/0x710 [ 601.230234][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.230234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.230234][ T10] ___sys_sendmsg+0xee/0x170 [ 601.230234][ T10] __sys_sendmsg+0xcd/0x170 [ 601.230234][ T10] do_syscall_64+0xc6/0x1e0 [ 601.230234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 601.230234][ T10] [ 601.232249][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 601.232249][ T10] netdev_get_by_index+0x5e/0x80 [ 601.232249][ T10] fib6_nh_init+0x3d8/0x1580 [ 601.232249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 601.232249][ T10] addrconf_f6i_alloc+0x315/0x560 [ 601.232249][ T10] ipv6_add_addr+0x411/0x2000 [ 601.232249][ T10] inet6_addr_add+0x30e/0xa40 [ 601.232249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 601.232249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.232249][ T10] netlink_rcv_skb+0x130/0x360 [ 601.232249][ T10] netlink_unicast+0x449/0x710 [ 601.232249][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.232249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.232249][ T10] ___sys_sendmsg+0xee/0x170 [ 601.232249][ T10] __sys_sendmsg+0xcd/0x170 [ 601.232249][ T10] do_syscall_64+0xc6/0x1e0 [ 601.232249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 601.232249][ T10] [ 601.234269][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 601.234269][ T10] netdev_get_by_index+0x5e/0x80 [ 601.234269][ T10] fib6_nh_init+0x3d8/0x1580 [ 601.234269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 601.234269][ T10] ip6_route_add+0x1c/0x140 [ 601.234269][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 601.234269][ T10] addrconf_add_dev+0xe2/0x170 [ 601.234269][ T10] inet6_addr_add+0x12f/0xa40 [ 601.234269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 601.234269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.234269][ T10] netlink_rcv_skb+0x130/0x360 [ 601.234269][ T10] netlink_unicast+0x449/0x710 [ 601.234269][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.234269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.234269][ T10] ___sys_sendmsg+0xee/0x170 [ 601.234269][ T10] __sys_sendmsg+0xcd/0x170 [ 601.234269][ T10] do_syscall_64+0xc6/0x1e0 [ 601.234269][ T10] [ 601.236244][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 601.236244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 601.236244][ T10] ipv6_find_idev+0x102/0x170 [ 601.236244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 601.236244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.236244][ T10] netlink_rcv_skb+0x130/0x360 [ 601.236244][ T10] netlink_unicast+0x449/0x710 [ 601.236244][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.236244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.236244][ T10] ___sys_sendmsg+0xee/0x170 [ 601.236244][ T10] __sys_sendmsg+0xcd/0x170 [ 601.236244][ T10] do_syscall_64+0xc6/0x1e0 [ 601.236244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 601.236244][ T10] [ 601.237792][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 601.237792][ T10] neigh_parms_alloc+0x1e5/0x510 [ 601.237792][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 601.237792][ T10] ipv6_find_idev+0x102/0x170 [ 601.237792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 601.237792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.237792][ T10] netlink_rcv_skb+0x130/0x360 [ 601.237792][ T10] netlink_unicast+0x449/0x710 [ 601.237792][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.237792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.237792][ T10] ___sys_sendmsg+0xee/0x170 [ 601.237792][ T10] __sys_sendmsg+0xcd/0x170 [ 601.237792][ T10] do_syscall_64+0xc6/0x1e0 [ 601.237792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 601.237792][ T10] [ 601.239514][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 601.239756][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 601.239756][ T10] vlan_dev_init+0x97c/0xdd0 [ 601.239756][ T10] register_netdevice+0x4d3/0x1690 [ 601.239756][ T10] register_vlan_dev+0x162/0x4a0 [ 601.239756][ T10] vlan_newlink+0x393/0x610 [ 601.239756][ T10] rtnl_newlink_create+0x341/0x850 [ 601.239756][ T10] __rtnl_newlink+0xac9/0xd80 [ 601.239756][ T10] rtnl_newlink+0x63/0xa0 [ 601.239756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 601.239756][ T10] netlink_rcv_skb+0x130/0x360 [ 601.239756][ T10] netlink_unicast+0x449/0x710 [ 601.239756][ T10] netlink_sendmsg+0x723/0xbe0 [ 601.239756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 601.239756][ T10] ___sys_sendmsg+0xee/0x170 [ 601.239756][ T10] __sys_sendmsg+0xcd/0x170 [ 601.239756][ T10] do_syscall_64+0xc6/0x1e0 [ 601.239756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 601.239756][ T10] [ 611.483951][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 611.484369][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 611.484369][ T10] netdev_get_by_index+0x5e/0x80 [ 611.484369][ T10] fib6_nh_init+0x3d8/0x1580 [ 611.484369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 611.484369][ T10] ip6_route_add+0x1c/0x140 [ 611.484369][ T10] addrconf_prefix_route+0x2a6/0x430 [ 611.484369][ T10] inet6_addr_add+0x4f8/0xa40 [ 611.484369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 611.484369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.484369][ T10] netlink_rcv_skb+0x130/0x360 [ 611.484369][ T10] netlink_unicast+0x449/0x710 [ 611.484369][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.484369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.484369][ T10] ___sys_sendmsg+0xee/0x170 [ 611.484369][ T10] __sys_sendmsg+0xcd/0x170 [ 611.484369][ T10] do_syscall_64+0xc6/0x1e0 [ 611.484369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 611.484369][ T10] [ 611.486439][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 611.486439][ T10] netdev_get_by_index+0x5e/0x80 [ 611.486439][ T10] fib6_nh_init+0x3d8/0x1580 [ 611.486439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 611.486439][ T10] addrconf_f6i_alloc+0x315/0x560 [ 611.486439][ T10] ipv6_add_addr+0x411/0x2000 [ 611.486439][ T10] inet6_addr_add+0x30e/0xa40 [ 611.486439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 611.486439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.486439][ T10] netlink_rcv_skb+0x130/0x360 [ 611.486439][ T10] netlink_unicast+0x449/0x710 [ 611.486439][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.486439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.486439][ T10] ___sys_sendmsg+0xee/0x170 [ 611.486439][ T10] __sys_sendmsg+0xcd/0x170 [ 611.486439][ T10] do_syscall_64+0xc6/0x1e0 [ 611.486439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 611.486439][ T10] [ 611.488468][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 611.488468][ T10] netdev_get_by_index+0x5e/0x80 [ 611.488468][ T10] fib6_nh_init+0x3d8/0x1580 [ 611.488468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 611.488468][ T10] ip6_route_add+0x1c/0x140 [ 611.488468][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 611.488468][ T10] addrconf_add_dev+0xe2/0x170 [ 611.488468][ T10] inet6_addr_add+0x12f/0xa40 [ 611.488468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 611.488468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.488468][ T10] netlink_rcv_skb+0x130/0x360 [ 611.488468][ T10] netlink_unicast+0x449/0x710 [ 611.488468][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.488468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.488468][ T10] ___sys_sendmsg+0xee/0x170 [ 611.488468][ T10] __sys_sendmsg+0xcd/0x170 [ 611.488468][ T10] do_syscall_64+0xc6/0x1e0 [ 611.488468][ T10] [ 611.490481][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 611.490481][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 611.490481][ T10] ipv6_find_idev+0x102/0x170 [ 611.490481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 611.490481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.490481][ T10] netlink_rcv_skb+0x130/0x360 [ 611.490481][ T10] netlink_unicast+0x449/0x710 [ 611.490481][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.490481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.490481][ T10] ___sys_sendmsg+0xee/0x170 [ 611.490481][ T10] __sys_sendmsg+0xcd/0x170 [ 611.490481][ T10] do_syscall_64+0xc6/0x1e0 [ 611.490481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 611.490481][ T10] [ 611.492053][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 611.492053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 611.492053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 611.492053][ T10] ipv6_find_idev+0x102/0x170 [ 611.492053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 611.492053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.492053][ T10] netlink_rcv_skb+0x130/0x360 [ 611.492053][ T10] netlink_unicast+0x449/0x710 [ 611.492053][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.492053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.492053][ T10] ___sys_sendmsg+0xee/0x170 [ 611.492053][ T10] __sys_sendmsg+0xcd/0x170 [ 611.492053][ T10] do_syscall_64+0xc6/0x1e0 [ 611.492053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 611.492053][ T10] [ 611.493794][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 611.494091][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 611.494091][ T10] netdev_get_by_index+0x5e/0x80 [ 611.494091][ T10] fib6_nh_init+0x3d8/0x1580 [ 611.494091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 611.494091][ T10] ip6_route_add+0x1c/0x140 [ 611.494091][ T10] addrconf_prefix_route+0x2a6/0x430 [ 611.494091][ T10] inet6_addr_add+0x4f8/0xa40 [ 611.494091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 611.494091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.494091][ T10] netlink_rcv_skb+0x130/0x360 [ 611.494091][ T10] netlink_unicast+0x449/0x710 [ 611.494091][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.494091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.494091][ T10] ___sys_sendmsg+0xee/0x170 [ 611.494091][ T10] __sys_sendmsg+0xcd/0x170 [ 611.494091][ T10] do_syscall_64+0xc6/0x1e0 [ 611.494091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 611.494091][ T10] [ 611.496130][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 611.496130][ T10] netdev_get_by_index+0x5e/0x80 [ 611.496130][ T10] fib6_nh_init+0x3d8/0x1580 [ 611.496130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 611.496130][ T10] addrconf_f6i_alloc+0x315/0x560 [ 611.496130][ T10] ipv6_add_addr+0x411/0x2000 [ 611.496130][ T10] inet6_addr_add+0x30e/0xa40 [ 611.496130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 611.496130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.496130][ T10] netlink_rcv_skb+0x130/0x360 [ 611.496130][ T10] netlink_unicast+0x449/0x710 [ 611.496130][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.496130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.496130][ T10] ___sys_sendmsg+0xee/0x170 [ 611.496130][ T10] __sys_sendmsg+0xcd/0x170 [ 611.496130][ T10] do_syscall_64+0xc6/0x1e0 [ 611.496130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 611.496130][ T10] [ 611.498164][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 611.498164][ T10] netdev_get_by_index+0x5e/0x80 [ 611.498164][ T10] fib6_nh_init+0x3d8/0x1580 [ 611.498164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 611.498164][ T10] ip6_route_add+0x1c/0x140 [ 611.498164][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 611.498164][ T10] addrconf_add_dev+0xe2/0x170 [ 611.498164][ T10] inet6_addr_add+0x12f/0xa40 [ 611.498164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 611.498164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.498164][ T10] netlink_rcv_skb+0x130/0x360 [ 611.498164][ T10] netlink_unicast+0x449/0x710 [ 611.498164][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.498164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.498164][ T10] ___sys_sendmsg+0xee/0x170 [ 611.498164][ T10] __sys_sendmsg+0xcd/0x170 [ 611.498164][ T10] do_syscall_64+0xc6/0x1e0 [ 611.498164][ T10] [ 611.500173][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 611.500173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 611.500173][ T10] ipv6_find_idev+0x102/0x170 [ 611.500173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 611.500173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.500173][ T10] netlink_rcv_skb+0x130/0x360 [ 611.500173][ T10] netlink_unicast+0x449/0x710 [ 611.500173][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.500173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.500173][ T10] ___sys_sendmsg+0xee/0x170 [ 611.500173][ T10] __sys_sendmsg+0xcd/0x170 [ 611.500173][ T10] do_syscall_64+0xc6/0x1e0 [ 611.500173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 611.500173][ T10] [ 611.501746][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 611.501746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 611.501746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 611.501746][ T10] ipv6_find_idev+0x102/0x170 [ 611.501746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 611.501746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.501746][ T10] netlink_rcv_skb+0x130/0x360 [ 611.501746][ T10] netlink_unicast+0x449/0x710 [ 611.501746][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.501746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.501746][ T10] ___sys_sendmsg+0xee/0x170 [ 611.501746][ T10] __sys_sendmsg+0xcd/0x170 [ 611.501746][ T10] do_syscall_64+0xc6/0x1e0 [ 611.501746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 611.501746][ T10] [ 611.503474][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 611.503727][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 611.503727][ T10] vlan_dev_init+0x97c/0xdd0 [ 611.503727][ T10] register_netdevice+0x4d3/0x1690 [ 611.503727][ T10] register_vlan_dev+0x162/0x4a0 [ 611.503727][ T10] vlan_newlink+0x393/0x610 [ 611.503727][ T10] rtnl_newlink_create+0x341/0x850 [ 611.503727][ T10] __rtnl_newlink+0xac9/0xd80 [ 611.503727][ T10] rtnl_newlink+0x63/0xa0 [ 611.503727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 611.503727][ T10] netlink_rcv_skb+0x130/0x360 [ 611.503727][ T10] netlink_unicast+0x449/0x710 [ 611.503727][ T10] netlink_sendmsg+0x723/0xbe0 [ 611.503727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 611.503727][ T10] ___sys_sendmsg+0xee/0x170 [ 611.503727][ T10] __sys_sendmsg+0xcd/0x170 [ 611.503727][ T10] do_syscall_64+0xc6/0x1e0 [ 611.503727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 611.503727][ T10] [ 615.724115][ T42] INFO: task modprobe:3829 blocked for more than 122 seconds. [ 615.724565][ T42] Not tainted 6.8.0-virtme #1 [ 615.724725][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 615.724948][ T42] task:modprobe state:D stack:25648 pid:3829 tgid:3829 ppid:59 flags:0x00004002 [ 615.725204][ T42] Call Trace: [ 615.725302][ T42] [ 615.725376][ T42] __schedule+0x705/0x1ac0 [ 615.725518][ T42] ? __pfx___schedule+0x10/0x10 [ 615.725643][ T42] ? schedule+0x1a5/0x210 [ 615.725745][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 615.725875][ T42] ? mark_lock+0x38/0x3e0 [ 615.725979][ T42] ? do_raw_spin_lock+0x131/0x270 [ 615.726105][ T42] ? schedule+0x1a5/0x210 [ 615.726442][ T42] schedule+0xdf/0x210 [ 615.726544][ T42] schedule_preempt_disabled+0x15/0x30 [ 615.726666][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 615.726795][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 615.726967][ T42] ? kasan_save_stack+0x34/0x50 [ 615.727092][ T42] ? kasan_save_stack+0x24/0x50 [ 615.727215][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 615.727353][ T42] ? lock_acquire+0x1c1/0x220 [ 615.727477][ T42] ? register_pernet_subsys+0x1a/0x50 [ 615.727613][ T42] down_write+0x1c9/0x200 [ 615.727708][ T42] ? __pfx_down_write+0x10/0x10 [ 615.727831][ T42] ? __pfx___lock_release+0x10/0x10 [ 615.727973][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 615.728197][ T42] register_pernet_subsys+0x1a/0x50 [ 615.728321][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 615.728505][ T42] do_one_initcall+0xc8/0x3f0 [ 615.728630][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 615.728758][ T42] ? __create_object+0x5e/0xb0 [ 615.728897][ T42] ? kasan_unpoison+0x27/0x60 [ 615.729030][ T42] do_init_module+0x233/0x740 [ 615.729168][ T42] load_module+0x16b5/0x2350 [ 615.729308][ T42] ? __pfx_load_module+0x10/0x10 [ 615.729439][ T42] ? kernel_read_file+0x3d2/0x520 [ 615.729566][ T42] ? kernel_read_file+0x300/0x520 [ 615.729692][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 615.729824][ T42] ? init_module_from_file+0xd2/0x130 [ 615.729958][ T42] init_module_from_file+0xd2/0x130 [ 615.730081][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 615.730239][ T42] ? __lock_release+0x103/0x460 [ 615.730363][ T42] ? idempotent_init_module+0x32a/0x620 [ 615.730497][ T42] ? idempotent_init_module+0x32a/0x620 [ 615.730619][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 615.730748][ T42] idempotent_init_module+0x342/0x620 [ 615.730875][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 615.731059][ T42] __x64_sys_finit_module+0xbe/0x130 [ 615.731190][ T42] do_syscall_64+0xc6/0x1e0 [ 615.731315][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.731473][ T42] RIP: 0033:0x7fab981a1e5d [ 615.731602][ T42] RSP: 002b:00007ffe70d7a428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 615.731788][ T42] RAX: ffffffffffffffda RBX: 0000555e1943ce90 RCX: 00007fab981a1e5d [ 615.731984][ T42] RDX: 0000000000000000 RSI: 0000555deb69da2a RDI: 0000000000000001 [ 615.732182][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555e1943d4f0 [ 615.732371][ T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555deb69da2a [ 615.732556][ T42] R13: 0000555e1943ce40 R14: 0000555e1943d570 R15: 0000000000000000 [ 615.732752][ T42] [ 615.732848][ T42] [ 615.732848][ T42] Showing all locks held in the system: [ 615.733036][ T42] 3 locks held by kworker/u16:0/10: [ 615.733167][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 615.733415][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 615.733632][ T42] #2: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 615.733852][ T42] 1 lock held by khungtaskd/42: [ 615.733976][ T42] #0: ffffffffb5b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 615.734200][ T42] 2 locks held by kworker/u18:1/59: [ 615.734315][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 615.734557][ T42] #1: ffffc90000407da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 615.734836][ T42] 1 lock held by modprobe/3829: [ 615.734959][ T42] #0: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 615.735211][ T42] [ 615.735274][ T42] ============================================= [ 615.735274][ T42] [ 621.747939][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 621.748404][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 621.748404][ T10] netdev_get_by_index+0x5e/0x80 [ 621.748404][ T10] fib6_nh_init+0x3d8/0x1580 [ 621.748404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 621.748404][ T10] ip6_route_add+0x1c/0x140 [ 621.748404][ T10] addrconf_prefix_route+0x2a6/0x430 [ 621.748404][ T10] inet6_addr_add+0x4f8/0xa40 [ 621.748404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 621.748404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.748404][ T10] netlink_rcv_skb+0x130/0x360 [ 621.748404][ T10] netlink_unicast+0x449/0x710 [ 621.748404][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.748404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.748404][ T10] ___sys_sendmsg+0xee/0x170 [ 621.748404][ T10] __sys_sendmsg+0xcd/0x170 [ 621.748404][ T10] do_syscall_64+0xc6/0x1e0 [ 621.748404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 621.748404][ T10] [ 621.750489][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 621.750489][ T10] netdev_get_by_index+0x5e/0x80 [ 621.750489][ T10] fib6_nh_init+0x3d8/0x1580 [ 621.750489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 621.750489][ T10] addrconf_f6i_alloc+0x315/0x560 [ 621.750489][ T10] ipv6_add_addr+0x411/0x2000 [ 621.750489][ T10] inet6_addr_add+0x30e/0xa40 [ 621.750489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 621.750489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.750489][ T10] netlink_rcv_skb+0x130/0x360 [ 621.750489][ T10] netlink_unicast+0x449/0x710 [ 621.750489][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.750489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.750489][ T10] ___sys_sendmsg+0xee/0x170 [ 621.750489][ T10] __sys_sendmsg+0xcd/0x170 [ 621.750489][ T10] do_syscall_64+0xc6/0x1e0 [ 621.750489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 621.750489][ T10] [ 621.752517][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 621.752517][ T10] netdev_get_by_index+0x5e/0x80 [ 621.752517][ T10] fib6_nh_init+0x3d8/0x1580 [ 621.752517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 621.752517][ T10] ip6_route_add+0x1c/0x140 [ 621.752517][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 621.752517][ T10] addrconf_add_dev+0xe2/0x170 [ 621.752517][ T10] inet6_addr_add+0x12f/0xa40 [ 621.752517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 621.752517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.752517][ T10] netlink_rcv_skb+0x130/0x360 [ 621.752517][ T10] netlink_unicast+0x449/0x710 [ 621.752517][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.752517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.752517][ T10] ___sys_sendmsg+0xee/0x170 [ 621.752517][ T10] __sys_sendmsg+0xcd/0x170 [ 621.752517][ T10] do_syscall_64+0xc6/0x1e0 [ 621.752517][ T10] [ 621.754513][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 621.754513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 621.754513][ T10] ipv6_find_idev+0x102/0x170 [ 621.754513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 621.754513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.754513][ T10] netlink_rcv_skb+0x130/0x360 [ 621.754513][ T10] netlink_unicast+0x449/0x710 [ 621.754513][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.754513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.754513][ T10] ___sys_sendmsg+0xee/0x170 [ 621.754513][ T10] __sys_sendmsg+0xcd/0x170 [ 621.754513][ T10] do_syscall_64+0xc6/0x1e0 [ 621.754513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 621.754513][ T10] [ 621.756072][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 621.756072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 621.756072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 621.756072][ T10] ipv6_find_idev+0x102/0x170 [ 621.756072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 621.756072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.756072][ T10] netlink_rcv_skb+0x130/0x360 [ 621.756072][ T10] netlink_unicast+0x449/0x710 [ 621.756072][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.756072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.756072][ T10] ___sys_sendmsg+0xee/0x170 [ 621.756072][ T10] __sys_sendmsg+0xcd/0x170 [ 621.756072][ T10] do_syscall_64+0xc6/0x1e0 [ 621.756072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 621.756072][ T10] [ 621.757816][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 621.758109][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 621.758109][ T10] netdev_get_by_index+0x5e/0x80 [ 621.758109][ T10] fib6_nh_init+0x3d8/0x1580 [ 621.758109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 621.758109][ T10] ip6_route_add+0x1c/0x140 [ 621.758109][ T10] addrconf_prefix_route+0x2a6/0x430 [ 621.758109][ T10] inet6_addr_add+0x4f8/0xa40 [ 621.758109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 621.758109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.758109][ T10] netlink_rcv_skb+0x130/0x360 [ 621.758109][ T10] netlink_unicast+0x449/0x710 [ 621.758109][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.758109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.758109][ T10] ___sys_sendmsg+0xee/0x170 [ 621.758109][ T10] __sys_sendmsg+0xcd/0x170 [ 621.758109][ T10] do_syscall_64+0xc6/0x1e0 [ 621.758109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 621.758109][ T10] [ 621.760157][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 621.760157][ T10] netdev_get_by_index+0x5e/0x80 [ 621.760157][ T10] fib6_nh_init+0x3d8/0x1580 [ 621.760157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 621.760157][ T10] addrconf_f6i_alloc+0x315/0x560 [ 621.760157][ T10] ipv6_add_addr+0x411/0x2000 [ 621.760157][ T10] inet6_addr_add+0x30e/0xa40 [ 621.760157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 621.760157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.760157][ T10] netlink_rcv_skb+0x130/0x360 [ 621.760157][ T10] netlink_unicast+0x449/0x710 [ 621.760157][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.760157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.760157][ T10] ___sys_sendmsg+0xee/0x170 [ 621.760157][ T10] __sys_sendmsg+0xcd/0x170 [ 621.760157][ T10] do_syscall_64+0xc6/0x1e0 [ 621.760157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 621.760157][ T10] [ 621.762228][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 621.762228][ T10] netdev_get_by_index+0x5e/0x80 [ 621.762228][ T10] fib6_nh_init+0x3d8/0x1580 [ 621.762228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 621.762228][ T10] ip6_route_add+0x1c/0x140 [ 621.762228][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 621.762228][ T10] addrconf_add_dev+0xe2/0x170 [ 621.762228][ T10] inet6_addr_add+0x12f/0xa40 [ 621.762228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 621.762228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.762228][ T10] netlink_rcv_skb+0x130/0x360 [ 621.762228][ T10] netlink_unicast+0x449/0x710 [ 621.762228][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.762228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.762228][ T10] ___sys_sendmsg+0xee/0x170 [ 621.762228][ T10] __sys_sendmsg+0xcd/0x170 [ 621.762228][ T10] do_syscall_64+0xc6/0x1e0 [ 621.762228][ T10] [ 621.764228][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 621.764228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 621.764228][ T10] ipv6_find_idev+0x102/0x170 [ 621.764228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 621.764228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.764228][ T10] netlink_rcv_skb+0x130/0x360 [ 621.764228][ T10] netlink_unicast+0x449/0x710 [ 621.764228][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.764228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.764228][ T10] ___sys_sendmsg+0xee/0x170 [ 621.764228][ T10] __sys_sendmsg+0xcd/0x170 [ 621.764228][ T10] do_syscall_64+0xc6/0x1e0 [ 621.764228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 621.764228][ T10] [ 621.765806][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 621.765806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 621.765806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 621.765806][ T10] ipv6_find_idev+0x102/0x170 [ 621.765806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 621.765806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.765806][ T10] netlink_rcv_skb+0x130/0x360 [ 621.765806][ T10] netlink_unicast+0x449/0x710 [ 621.765806][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.765806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.765806][ T10] ___sys_sendmsg+0xee/0x170 [ 621.765806][ T10] __sys_sendmsg+0xcd/0x170 [ 621.765806][ T10] do_syscall_64+0xc6/0x1e0 [ 621.765806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 621.765806][ T10] [ 621.767564][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 621.767820][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 621.767820][ T10] vlan_dev_init+0x97c/0xdd0 [ 621.767820][ T10] register_netdevice+0x4d3/0x1690 [ 621.767820][ T10] register_vlan_dev+0x162/0x4a0 [ 621.767820][ T10] vlan_newlink+0x393/0x610 [ 621.767820][ T10] rtnl_newlink_create+0x341/0x850 [ 621.767820][ T10] __rtnl_newlink+0xac9/0xd80 [ 621.767820][ T10] rtnl_newlink+0x63/0xa0 [ 621.767820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 621.767820][ T10] netlink_rcv_skb+0x130/0x360 [ 621.767820][ T10] netlink_unicast+0x449/0x710 [ 621.767820][ T10] netlink_sendmsg+0x723/0xbe0 [ 621.767820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 621.767820][ T10] ___sys_sendmsg+0xee/0x170 [ 621.767820][ T10] __sys_sendmsg+0xcd/0x170 [ 621.767820][ T10] do_syscall_64+0xc6/0x1e0 [ 621.767820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 621.767820][ T10] [ 632.011947][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 632.012415][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 632.012415][ T10] netdev_get_by_index+0x5e/0x80 [ 632.012415][ T10] fib6_nh_init+0x3d8/0x1580 [ 632.012415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.012415][ T10] ip6_route_add+0x1c/0x140 [ 632.012415][ T10] addrconf_prefix_route+0x2a6/0x430 [ 632.012415][ T10] inet6_addr_add+0x4f8/0xa40 [ 632.012415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.012415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.012415][ T10] netlink_rcv_skb+0x130/0x360 [ 632.012415][ T10] netlink_unicast+0x449/0x710 [ 632.012415][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.012415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.012415][ T10] ___sys_sendmsg+0xee/0x170 [ 632.012415][ T10] __sys_sendmsg+0xcd/0x170 [ 632.012415][ T10] do_syscall_64+0xc6/0x1e0 [ 632.012415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.012415][ T10] [ 632.014494][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 632.014494][ T10] netdev_get_by_index+0x5e/0x80 [ 632.014494][ T10] fib6_nh_init+0x3d8/0x1580 [ 632.014494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.014494][ T10] addrconf_f6i_alloc+0x315/0x560 [ 632.014494][ T10] ipv6_add_addr+0x411/0x2000 [ 632.014494][ T10] inet6_addr_add+0x30e/0xa40 [ 632.014494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.014494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.014494][ T10] netlink_rcv_skb+0x130/0x360 [ 632.014494][ T10] netlink_unicast+0x449/0x710 [ 632.014494][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.014494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.014494][ T10] ___sys_sendmsg+0xee/0x170 [ 632.014494][ T10] __sys_sendmsg+0xcd/0x170 [ 632.014494][ T10] do_syscall_64+0xc6/0x1e0 [ 632.014494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.014494][ T10] [ 632.016528][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 632.016528][ T10] netdev_get_by_index+0x5e/0x80 [ 632.016528][ T10] fib6_nh_init+0x3d8/0x1580 [ 632.016528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.016528][ T10] ip6_route_add+0x1c/0x140 [ 632.016528][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 632.016528][ T10] addrconf_add_dev+0xe2/0x170 [ 632.016528][ T10] inet6_addr_add+0x12f/0xa40 [ 632.016528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.016528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.016528][ T10] netlink_rcv_skb+0x130/0x360 [ 632.016528][ T10] netlink_unicast+0x449/0x710 [ 632.016528][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.016528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.016528][ T10] ___sys_sendmsg+0xee/0x170 [ 632.016528][ T10] __sys_sendmsg+0xcd/0x170 [ 632.016528][ T10] do_syscall_64+0xc6/0x1e0 [ 632.016528][ T10] [ 632.018542][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 632.018542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 632.018542][ T10] ipv6_find_idev+0x102/0x170 [ 632.018542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.018542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.018542][ T10] netlink_rcv_skb+0x130/0x360 [ 632.018542][ T10] netlink_unicast+0x449/0x710 [ 632.018542][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.018542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.018542][ T10] ___sys_sendmsg+0xee/0x170 [ 632.018542][ T10] __sys_sendmsg+0xcd/0x170 [ 632.018542][ T10] do_syscall_64+0xc6/0x1e0 [ 632.018542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.018542][ T10] [ 632.020135][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 632.020135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 632.020135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 632.020135][ T10] ipv6_find_idev+0x102/0x170 [ 632.020135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.020135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.020135][ T10] netlink_rcv_skb+0x130/0x360 [ 632.020135][ T10] netlink_unicast+0x449/0x710 [ 632.020135][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.020135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.020135][ T10] ___sys_sendmsg+0xee/0x170 [ 632.020135][ T10] __sys_sendmsg+0xcd/0x170 [ 632.020135][ T10] do_syscall_64+0xc6/0x1e0 [ 632.020135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.020135][ T10] [ 632.021880][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 632.022173][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 632.022173][ T10] netdev_get_by_index+0x5e/0x80 [ 632.022173][ T10] fib6_nh_init+0x3d8/0x1580 [ 632.022173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.022173][ T10] ip6_route_add+0x1c/0x140 [ 632.022173][ T10] addrconf_prefix_route+0x2a6/0x430 [ 632.022173][ T10] inet6_addr_add+0x4f8/0xa40 [ 632.022173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.022173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.022173][ T10] netlink_rcv_skb+0x130/0x360 [ 632.022173][ T10] netlink_unicast+0x449/0x710 [ 632.022173][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.022173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.022173][ T10] ___sys_sendmsg+0xee/0x170 [ 632.022173][ T10] __sys_sendmsg+0xcd/0x170 [ 632.022173][ T10] do_syscall_64+0xc6/0x1e0 [ 632.022173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.022173][ T10] [ 632.024222][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 632.024222][ T10] netdev_get_by_index+0x5e/0x80 [ 632.024222][ T10] fib6_nh_init+0x3d8/0x1580 [ 632.024222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.024222][ T10] addrconf_f6i_alloc+0x315/0x560 [ 632.024222][ T10] ipv6_add_addr+0x411/0x2000 [ 632.024222][ T10] inet6_addr_add+0x30e/0xa40 [ 632.024222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.024222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.024222][ T10] netlink_rcv_skb+0x130/0x360 [ 632.024222][ T10] netlink_unicast+0x449/0x710 [ 632.024222][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.024222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.024222][ T10] ___sys_sendmsg+0xee/0x170 [ 632.024222][ T10] __sys_sendmsg+0xcd/0x170 [ 632.024222][ T10] do_syscall_64+0xc6/0x1e0 [ 632.024222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.024222][ T10] [ 632.026251][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 632.026251][ T10] netdev_get_by_index+0x5e/0x80 [ 632.026251][ T10] fib6_nh_init+0x3d8/0x1580 [ 632.026251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 632.026251][ T10] ip6_route_add+0x1c/0x140 [ 632.026251][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 632.026251][ T10] addrconf_add_dev+0xe2/0x170 [ 632.026251][ T10] inet6_addr_add+0x12f/0xa40 [ 632.026251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 632.026251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.026251][ T10] netlink_rcv_skb+0x130/0x360 [ 632.026251][ T10] netlink_unicast+0x449/0x710 [ 632.026251][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.026251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.026251][ T10] ___sys_sendmsg+0xee/0x170 [ 632.026251][ T10] __sys_sendmsg+0xcd/0x170 [ 632.026251][ T10] do_syscall_64+0xc6/0x1e0 [ 632.026251][ T10] [ 632.028256][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 632.028256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 632.028256][ T10] ipv6_find_idev+0x102/0x170 [ 632.028256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.028256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.028256][ T10] netlink_rcv_skb+0x130/0x360 [ 632.028256][ T10] netlink_unicast+0x449/0x710 [ 632.028256][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.028256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.028256][ T10] ___sys_sendmsg+0xee/0x170 [ 632.028256][ T10] __sys_sendmsg+0xcd/0x170 [ 632.028256][ T10] do_syscall_64+0xc6/0x1e0 [ 632.028256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.028256][ T10] [ 632.029827][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 632.029827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 632.029827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 632.029827][ T10] ipv6_find_idev+0x102/0x170 [ 632.029827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 632.029827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.029827][ T10] netlink_rcv_skb+0x130/0x360 [ 632.029827][ T10] netlink_unicast+0x449/0x710 [ 632.029827][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.029827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.029827][ T10] ___sys_sendmsg+0xee/0x170 [ 632.029827][ T10] __sys_sendmsg+0xcd/0x170 [ 632.029827][ T10] do_syscall_64+0xc6/0x1e0 [ 632.029827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.029827][ T10] [ 632.031544][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 632.031799][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 632.031799][ T10] vlan_dev_init+0x97c/0xdd0 [ 632.031799][ T10] register_netdevice+0x4d3/0x1690 [ 632.031799][ T10] register_vlan_dev+0x162/0x4a0 [ 632.031799][ T10] vlan_newlink+0x393/0x610 [ 632.031799][ T10] rtnl_newlink_create+0x341/0x850 [ 632.031799][ T10] __rtnl_newlink+0xac9/0xd80 [ 632.031799][ T10] rtnl_newlink+0x63/0xa0 [ 632.031799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 632.031799][ T10] netlink_rcv_skb+0x130/0x360 [ 632.031799][ T10] netlink_unicast+0x449/0x710 [ 632.031799][ T10] netlink_sendmsg+0x723/0xbe0 [ 632.031799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 632.031799][ T10] ___sys_sendmsg+0xee/0x170 [ 632.031799][ T10] __sys_sendmsg+0xcd/0x170 [ 632.031799][ T10] do_syscall_64+0xc6/0x1e0 [ 632.031799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 632.031799][ T10] [ 642.275994][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 642.276469][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 642.276469][ T10] netdev_get_by_index+0x5e/0x80 [ 642.276469][ T10] fib6_nh_init+0x3d8/0x1580 [ 642.276469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.276469][ T10] ip6_route_add+0x1c/0x140 [ 642.276469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 642.276469][ T10] inet6_addr_add+0x4f8/0xa40 [ 642.276469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.276469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.276469][ T10] netlink_rcv_skb+0x130/0x360 [ 642.276469][ T10] netlink_unicast+0x449/0x710 [ 642.276469][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.276469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.276469][ T10] ___sys_sendmsg+0xee/0x170 [ 642.276469][ T10] __sys_sendmsg+0xcd/0x170 [ 642.276469][ T10] do_syscall_64+0xc6/0x1e0 [ 642.276469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.276469][ T10] [ 642.278507][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 642.278507][ T10] netdev_get_by_index+0x5e/0x80 [ 642.278507][ T10] fib6_nh_init+0x3d8/0x1580 [ 642.278507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.278507][ T10] addrconf_f6i_alloc+0x315/0x560 [ 642.278507][ T10] ipv6_add_addr+0x411/0x2000 [ 642.278507][ T10] inet6_addr_add+0x30e/0xa40 [ 642.278507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.278507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.278507][ T10] netlink_rcv_skb+0x130/0x360 [ 642.278507][ T10] netlink_unicast+0x449/0x710 [ 642.278507][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.278507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.278507][ T10] ___sys_sendmsg+0xee/0x170 [ 642.278507][ T10] __sys_sendmsg+0xcd/0x170 [ 642.278507][ T10] do_syscall_64+0xc6/0x1e0 [ 642.278507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.278507][ T10] [ 642.280548][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 642.280548][ T10] netdev_get_by_index+0x5e/0x80 [ 642.280548][ T10] fib6_nh_init+0x3d8/0x1580 [ 642.280548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.280548][ T10] ip6_route_add+0x1c/0x140 [ 642.280548][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 642.280548][ T10] addrconf_add_dev+0xe2/0x170 [ 642.280548][ T10] inet6_addr_add+0x12f/0xa40 [ 642.280548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.280548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.280548][ T10] netlink_rcv_skb+0x130/0x360 [ 642.280548][ T10] netlink_unicast+0x449/0x710 [ 642.280548][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.280548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.280548][ T10] ___sys_sendmsg+0xee/0x170 [ 642.280548][ T10] __sys_sendmsg+0xcd/0x170 [ 642.280548][ T10] do_syscall_64+0xc6/0x1e0 [ 642.280548][ T10] [ 642.282557][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 642.282557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 642.282557][ T10] ipv6_find_idev+0x102/0x170 [ 642.282557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.282557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.282557][ T10] netlink_rcv_skb+0x130/0x360 [ 642.282557][ T10] netlink_unicast+0x449/0x710 [ 642.282557][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.282557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.282557][ T10] ___sys_sendmsg+0xee/0x170 [ 642.282557][ T10] __sys_sendmsg+0xcd/0x170 [ 642.282557][ T10] do_syscall_64+0xc6/0x1e0 [ 642.282557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.282557][ T10] [ 642.284114][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 642.284114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 642.284114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 642.284114][ T10] ipv6_find_idev+0x102/0x170 [ 642.284114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.284114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.284114][ T10] netlink_rcv_skb+0x130/0x360 [ 642.284114][ T10] netlink_unicast+0x449/0x710 [ 642.284114][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.284114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.284114][ T10] ___sys_sendmsg+0xee/0x170 [ 642.284114][ T10] __sys_sendmsg+0xcd/0x170 [ 642.284114][ T10] do_syscall_64+0xc6/0x1e0 [ 642.284114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.284114][ T10] [ 642.285850][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 642.286145][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 642.286145][ T10] netdev_get_by_index+0x5e/0x80 [ 642.286145][ T10] fib6_nh_init+0x3d8/0x1580 [ 642.286145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.286145][ T10] ip6_route_add+0x1c/0x140 [ 642.286145][ T10] addrconf_prefix_route+0x2a6/0x430 [ 642.286145][ T10] inet6_addr_add+0x4f8/0xa40 [ 642.286145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.286145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.286145][ T10] netlink_rcv_skb+0x130/0x360 [ 642.286145][ T10] netlink_unicast+0x449/0x710 [ 642.286145][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.286145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.286145][ T10] ___sys_sendmsg+0xee/0x170 [ 642.286145][ T10] __sys_sendmsg+0xcd/0x170 [ 642.286145][ T10] do_syscall_64+0xc6/0x1e0 [ 642.286145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.286145][ T10] [ 642.288163][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 642.288163][ T10] netdev_get_by_index+0x5e/0x80 [ 642.288163][ T10] fib6_nh_init+0x3d8/0x1580 [ 642.288163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.288163][ T10] addrconf_f6i_alloc+0x315/0x560 [ 642.288163][ T10] ipv6_add_addr+0x411/0x2000 [ 642.288163][ T10] inet6_addr_add+0x30e/0xa40 [ 642.288163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.288163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.288163][ T10] netlink_rcv_skb+0x130/0x360 [ 642.288163][ T10] netlink_unicast+0x449/0x710 [ 642.288163][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.288163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.288163][ T10] ___sys_sendmsg+0xee/0x170 [ 642.288163][ T10] __sys_sendmsg+0xcd/0x170 [ 642.288163][ T10] do_syscall_64+0xc6/0x1e0 [ 642.288163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.288163][ T10] [ 642.290194][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 642.290194][ T10] netdev_get_by_index+0x5e/0x80 [ 642.290194][ T10] fib6_nh_init+0x3d8/0x1580 [ 642.290194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 642.290194][ T10] ip6_route_add+0x1c/0x140 [ 642.290194][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 642.290194][ T10] addrconf_add_dev+0xe2/0x170 [ 642.290194][ T10] inet6_addr_add+0x12f/0xa40 [ 642.290194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 642.290194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.290194][ T10] netlink_rcv_skb+0x130/0x360 [ 642.290194][ T10] netlink_unicast+0x449/0x710 [ 642.290194][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.290194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.290194][ T10] ___sys_sendmsg+0xee/0x170 [ 642.290194][ T10] __sys_sendmsg+0xcd/0x170 [ 642.290194][ T10] do_syscall_64+0xc6/0x1e0 [ 642.290194][ T10] [ 642.292175][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 642.292175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 642.292175][ T10] ipv6_find_idev+0x102/0x170 [ 642.292175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.292175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.292175][ T10] netlink_rcv_skb+0x130/0x360 [ 642.292175][ T10] netlink_unicast+0x449/0x710 [ 642.292175][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.292175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.292175][ T10] ___sys_sendmsg+0xee/0x170 [ 642.292175][ T10] __sys_sendmsg+0xcd/0x170 [ 642.292175][ T10] do_syscall_64+0xc6/0x1e0 [ 642.292175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.292175][ T10] [ 642.293731][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 642.293731][ T10] neigh_parms_alloc+0x1e5/0x510 [ 642.293731][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 642.293731][ T10] ipv6_find_idev+0x102/0x170 [ 642.293731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 642.293731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.293731][ T10] netlink_rcv_skb+0x130/0x360 [ 642.293731][ T10] netlink_unicast+0x449/0x710 [ 642.293731][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.293731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.293731][ T10] ___sys_sendmsg+0xee/0x170 [ 642.293731][ T10] __sys_sendmsg+0xcd/0x170 [ 642.293731][ T10] do_syscall_64+0xc6/0x1e0 [ 642.293731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.293731][ T10] [ 642.295447][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 642.295693][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 642.295693][ T10] vlan_dev_init+0x97c/0xdd0 [ 642.295693][ T10] register_netdevice+0x4d3/0x1690 [ 642.295693][ T10] register_vlan_dev+0x162/0x4a0 [ 642.295693][ T10] vlan_newlink+0x393/0x610 [ 642.295693][ T10] rtnl_newlink_create+0x341/0x850 [ 642.295693][ T10] __rtnl_newlink+0xac9/0xd80 [ 642.295693][ T10] rtnl_newlink+0x63/0xa0 [ 642.295693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 642.295693][ T10] netlink_rcv_skb+0x130/0x360 [ 642.295693][ T10] netlink_unicast+0x449/0x710 [ 642.295693][ T10] netlink_sendmsg+0x723/0xbe0 [ 642.295693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 642.295693][ T10] ___sys_sendmsg+0xee/0x170 [ 642.295693][ T10] __sys_sendmsg+0xcd/0x170 [ 642.295693][ T10] do_syscall_64+0xc6/0x1e0 [ 642.295693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 642.295693][ T10] [ 652.411949][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 652.412365][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 652.412365][ T10] netdev_get_by_index+0x5e/0x80 [ 652.412365][ T10] fib6_nh_init+0x3d8/0x1580 [ 652.412365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 652.412365][ T10] ip6_route_add+0x1c/0x140 [ 652.412365][ T10] addrconf_prefix_route+0x2a6/0x430 [ 652.412365][ T10] inet6_addr_add+0x4f8/0xa40 [ 652.412365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 652.412365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.412365][ T10] netlink_rcv_skb+0x130/0x360 [ 652.412365][ T10] netlink_unicast+0x449/0x710 [ 652.412365][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.412365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.412365][ T10] ___sys_sendmsg+0xee/0x170 [ 652.412365][ T10] __sys_sendmsg+0xcd/0x170 [ 652.412365][ T10] do_syscall_64+0xc6/0x1e0 [ 652.412365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 652.412365][ T10] [ 652.414410][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 652.414410][ T10] netdev_get_by_index+0x5e/0x80 [ 652.414410][ T10] fib6_nh_init+0x3d8/0x1580 [ 652.414410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 652.414410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 652.414410][ T10] ipv6_add_addr+0x411/0x2000 [ 652.414410][ T10] inet6_addr_add+0x30e/0xa40 [ 652.414410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 652.414410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.414410][ T10] netlink_rcv_skb+0x130/0x360 [ 652.414410][ T10] netlink_unicast+0x449/0x710 [ 652.414410][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.414410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.414410][ T10] ___sys_sendmsg+0xee/0x170 [ 652.414410][ T10] __sys_sendmsg+0xcd/0x170 [ 652.414410][ T10] do_syscall_64+0xc6/0x1e0 [ 652.414410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 652.414410][ T10] [ 652.416436][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 652.416436][ T10] netdev_get_by_index+0x5e/0x80 [ 652.416436][ T10] fib6_nh_init+0x3d8/0x1580 [ 652.416436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 652.416436][ T10] ip6_route_add+0x1c/0x140 [ 652.416436][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 652.416436][ T10] addrconf_add_dev+0xe2/0x170 [ 652.416436][ T10] inet6_addr_add+0x12f/0xa40 [ 652.416436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 652.416436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.416436][ T10] netlink_rcv_skb+0x130/0x360 [ 652.416436][ T10] netlink_unicast+0x449/0x710 [ 652.416436][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.416436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.416436][ T10] ___sys_sendmsg+0xee/0x170 [ 652.416436][ T10] __sys_sendmsg+0xcd/0x170 [ 652.416436][ T10] do_syscall_64+0xc6/0x1e0 [ 652.416436][ T10] [ 652.418444][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 652.418444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 652.418444][ T10] ipv6_find_idev+0x102/0x170 [ 652.418444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 652.418444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.418444][ T10] netlink_rcv_skb+0x130/0x360 [ 652.418444][ T10] netlink_unicast+0x449/0x710 [ 652.418444][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.418444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.418444][ T10] ___sys_sendmsg+0xee/0x170 [ 652.418444][ T10] __sys_sendmsg+0xcd/0x170 [ 652.418444][ T10] do_syscall_64+0xc6/0x1e0 [ 652.418444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 652.418444][ T10] [ 652.420018][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 652.420018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 652.420018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 652.420018][ T10] ipv6_find_idev+0x102/0x170 [ 652.420018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 652.420018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.420018][ T10] netlink_rcv_skb+0x130/0x360 [ 652.420018][ T10] netlink_unicast+0x449/0x710 [ 652.420018][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.420018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.420018][ T10] ___sys_sendmsg+0xee/0x170 [ 652.420018][ T10] __sys_sendmsg+0xcd/0x170 [ 652.420018][ T10] do_syscall_64+0xc6/0x1e0 [ 652.420018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 652.420018][ T10] [ 652.421754][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 652.422063][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 652.422063][ T10] netdev_get_by_index+0x5e/0x80 [ 652.422063][ T10] fib6_nh_init+0x3d8/0x1580 [ 652.422063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 652.422063][ T10] ip6_route_add+0x1c/0x140 [ 652.422063][ T10] addrconf_prefix_route+0x2a6/0x430 [ 652.422063][ T10] inet6_addr_add+0x4f8/0xa40 [ 652.422063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 652.422063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.422063][ T10] netlink_rcv_skb+0x130/0x360 [ 652.422063][ T10] netlink_unicast+0x449/0x710 [ 652.422063][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.422063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.422063][ T10] ___sys_sendmsg+0xee/0x170 [ 652.422063][ T10] __sys_sendmsg+0xcd/0x170 [ 652.422063][ T10] do_syscall_64+0xc6/0x1e0 [ 652.422063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 652.422063][ T10] [ 652.424099][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 652.424099][ T10] netdev_get_by_index+0x5e/0x80 [ 652.424099][ T10] fib6_nh_init+0x3d8/0x1580 [ 652.424099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 652.424099][ T10] addrconf_f6i_alloc+0x315/0x560 [ 652.424099][ T10] ipv6_add_addr+0x411/0x2000 [ 652.424099][ T10] inet6_addr_add+0x30e/0xa40 [ 652.424099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 652.424099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.424099][ T10] netlink_rcv_skb+0x130/0x360 [ 652.424099][ T10] netlink_unicast+0x449/0x710 [ 652.424099][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.424099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.424099][ T10] ___sys_sendmsg+0xee/0x170 [ 652.424099][ T10] __sys_sendmsg+0xcd/0x170 [ 652.424099][ T10] do_syscall_64+0xc6/0x1e0 [ 652.424099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 652.424099][ T10] [ 652.426174][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 652.426174][ T10] netdev_get_by_index+0x5e/0x80 [ 652.426174][ T10] fib6_nh_init+0x3d8/0x1580 [ 652.426174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 652.426174][ T10] ip6_route_add+0x1c/0x140 [ 652.426174][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 652.426174][ T10] addrconf_add_dev+0xe2/0x170 [ 652.426174][ T10] inet6_addr_add+0x12f/0xa40 [ 652.426174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 652.426174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.426174][ T10] netlink_rcv_skb+0x130/0x360 [ 652.426174][ T10] netlink_unicast+0x449/0x710 [ 652.426174][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.426174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.426174][ T10] ___sys_sendmsg+0xee/0x170 [ 652.426174][ T10] __sys_sendmsg+0xcd/0x170 [ 652.426174][ T10] do_syscall_64+0xc6/0x1e0 [ 652.426174][ T10] [ 652.428170][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 652.428170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 652.428170][ T10] ipv6_find_idev+0x102/0x170 [ 652.428170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 652.428170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.428170][ T10] netlink_rcv_skb+0x130/0x360 [ 652.428170][ T10] netlink_unicast+0x449/0x710 [ 652.428170][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.428170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.428170][ T10] ___sys_sendmsg+0xee/0x170 [ 652.428170][ T10] __sys_sendmsg+0xcd/0x170 [ 652.428170][ T10] do_syscall_64+0xc6/0x1e0 [ 652.428170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 652.428170][ T10] [ 652.429758][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 652.429758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 652.429758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 652.429758][ T10] ipv6_find_idev+0x102/0x170 [ 652.429758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 652.429758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.429758][ T10] netlink_rcv_skb+0x130/0x360 [ 652.429758][ T10] netlink_unicast+0x449/0x710 [ 652.429758][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.429758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.429758][ T10] ___sys_sendmsg+0xee/0x170 [ 652.429758][ T10] __sys_sendmsg+0xcd/0x170 [ 652.429758][ T10] do_syscall_64+0xc6/0x1e0 [ 652.429758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 652.429758][ T10] [ 652.431484][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 652.431733][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 652.431733][ T10] vlan_dev_init+0x97c/0xdd0 [ 652.431733][ T10] register_netdevice+0x4d3/0x1690 [ 652.431733][ T10] register_vlan_dev+0x162/0x4a0 [ 652.431733][ T10] vlan_newlink+0x393/0x610 [ 652.431733][ T10] rtnl_newlink_create+0x341/0x850 [ 652.431733][ T10] __rtnl_newlink+0xac9/0xd80 [ 652.431733][ T10] rtnl_newlink+0x63/0xa0 [ 652.431733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 652.431733][ T10] netlink_rcv_skb+0x130/0x360 [ 652.431733][ T10] netlink_unicast+0x449/0x710 [ 652.431733][ T10] netlink_sendmsg+0x723/0xbe0 [ 652.431733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 652.431733][ T10] ___sys_sendmsg+0xee/0x170 [ 652.431733][ T10] __sys_sendmsg+0xcd/0x170 [ 652.431733][ T10] do_syscall_64+0xc6/0x1e0 [ 652.431733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 652.431733][ T10] [ 662.684117][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 662.684512][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 662.684512][ T10] netdev_get_by_index+0x5e/0x80 [ 662.684512][ T10] fib6_nh_init+0x3d8/0x1580 [ 662.684512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 662.684512][ T10] ip6_route_add+0x1c/0x140 [ 662.684512][ T10] addrconf_prefix_route+0x2a6/0x430 [ 662.684512][ T10] inet6_addr_add+0x4f8/0xa40 [ 662.684512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 662.684512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.684512][ T10] netlink_rcv_skb+0x130/0x360 [ 662.684512][ T10] netlink_unicast+0x449/0x710 [ 662.684512][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.684512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.684512][ T10] ___sys_sendmsg+0xee/0x170 [ 662.684512][ T10] __sys_sendmsg+0xcd/0x170 [ 662.684512][ T10] do_syscall_64+0xc6/0x1e0 [ 662.684512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 662.684512][ T10] [ 662.686620][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 662.686620][ T10] netdev_get_by_index+0x5e/0x80 [ 662.686620][ T10] fib6_nh_init+0x3d8/0x1580 [ 662.686620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 662.686620][ T10] addrconf_f6i_alloc+0x315/0x560 [ 662.686620][ T10] ipv6_add_addr+0x411/0x2000 [ 662.686620][ T10] inet6_addr_add+0x30e/0xa40 [ 662.686620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 662.686620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.686620][ T10] netlink_rcv_skb+0x130/0x360 [ 662.686620][ T10] netlink_unicast+0x449/0x710 [ 662.686620][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.686620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.686620][ T10] ___sys_sendmsg+0xee/0x170 [ 662.686620][ T10] __sys_sendmsg+0xcd/0x170 [ 662.686620][ T10] do_syscall_64+0xc6/0x1e0 [ 662.686620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 662.686620][ T10] [ 662.688709][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 662.688709][ T10] netdev_get_by_index+0x5e/0x80 [ 662.688709][ T10] fib6_nh_init+0x3d8/0x1580 [ 662.688709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 662.688709][ T10] ip6_route_add+0x1c/0x140 [ 662.688709][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 662.688709][ T10] addrconf_add_dev+0xe2/0x170 [ 662.688709][ T10] inet6_addr_add+0x12f/0xa40 [ 662.688709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 662.688709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.688709][ T10] netlink_rcv_skb+0x130/0x360 [ 662.688709][ T10] netlink_unicast+0x449/0x710 [ 662.688709][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.688709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.688709][ T10] ___sys_sendmsg+0xee/0x170 [ 662.688709][ T10] __sys_sendmsg+0xcd/0x170 [ 662.688709][ T10] do_syscall_64+0xc6/0x1e0 [ 662.688709][ T10] [ 662.690713][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 662.690713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 662.690713][ T10] ipv6_find_idev+0x102/0x170 [ 662.690713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 662.690713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.690713][ T10] netlink_rcv_skb+0x130/0x360 [ 662.690713][ T10] netlink_unicast+0x449/0x710 [ 662.690713][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.690713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.690713][ T10] ___sys_sendmsg+0xee/0x170 [ 662.690713][ T10] __sys_sendmsg+0xcd/0x170 [ 662.690713][ T10] do_syscall_64+0xc6/0x1e0 [ 662.690713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 662.690713][ T10] [ 662.692281][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 662.692281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 662.692281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 662.692281][ T10] ipv6_find_idev+0x102/0x170 [ 662.692281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 662.692281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.692281][ T10] netlink_rcv_skb+0x130/0x360 [ 662.692281][ T10] netlink_unicast+0x449/0x710 [ 662.692281][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.692281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.692281][ T10] ___sys_sendmsg+0xee/0x170 [ 662.692281][ T10] __sys_sendmsg+0xcd/0x170 [ 662.692281][ T10] do_syscall_64+0xc6/0x1e0 [ 662.692281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 662.692281][ T10] [ 662.694019][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 662.694304][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 662.694304][ T10] netdev_get_by_index+0x5e/0x80 [ 662.694304][ T10] fib6_nh_init+0x3d8/0x1580 [ 662.694304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 662.694304][ T10] ip6_route_add+0x1c/0x140 [ 662.694304][ T10] addrconf_prefix_route+0x2a6/0x430 [ 662.694304][ T10] inet6_addr_add+0x4f8/0xa40 [ 662.694304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 662.694304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.694304][ T10] netlink_rcv_skb+0x130/0x360 [ 662.694304][ T10] netlink_unicast+0x449/0x710 [ 662.694304][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.694304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.694304][ T10] ___sys_sendmsg+0xee/0x170 [ 662.694304][ T10] __sys_sendmsg+0xcd/0x170 [ 662.694304][ T10] do_syscall_64+0xc6/0x1e0 [ 662.694304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 662.694304][ T10] [ 662.696360][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 662.696360][ T10] netdev_get_by_index+0x5e/0x80 [ 662.696360][ T10] fib6_nh_init+0x3d8/0x1580 [ 662.696360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 662.696360][ T10] addrconf_f6i_alloc+0x315/0x560 [ 662.696360][ T10] ipv6_add_addr+0x411/0x2000 [ 662.696360][ T10] inet6_addr_add+0x30e/0xa40 [ 662.696360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 662.696360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.696360][ T10] netlink_rcv_skb+0x130/0x360 [ 662.696360][ T10] netlink_unicast+0x449/0x710 [ 662.696360][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.696360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.696360][ T10] ___sys_sendmsg+0xee/0x170 [ 662.696360][ T10] __sys_sendmsg+0xcd/0x170 [ 662.696360][ T10] do_syscall_64+0xc6/0x1e0 [ 662.696360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 662.696360][ T10] [ 662.698398][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 662.698398][ T10] netdev_get_by_index+0x5e/0x80 [ 662.698398][ T10] fib6_nh_init+0x3d8/0x1580 [ 662.698398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 662.698398][ T10] ip6_route_add+0x1c/0x140 [ 662.698398][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 662.698398][ T10] addrconf_add_dev+0xe2/0x170 [ 662.698398][ T10] inet6_addr_add+0x12f/0xa40 [ 662.698398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 662.698398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.698398][ T10] netlink_rcv_skb+0x130/0x360 [ 662.698398][ T10] netlink_unicast+0x449/0x710 [ 662.698398][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.698398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.698398][ T10] ___sys_sendmsg+0xee/0x170 [ 662.698398][ T10] __sys_sendmsg+0xcd/0x170 [ 662.698398][ T10] do_syscall_64+0xc6/0x1e0 [ 662.698398][ T10] [ 662.700426][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 662.700426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 662.700426][ T10] ipv6_find_idev+0x102/0x170 [ 662.700426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 662.700426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.700426][ T10] netlink_rcv_skb+0x130/0x360 [ 662.700426][ T10] netlink_unicast+0x449/0x710 [ 662.700426][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.700426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.700426][ T10] ___sys_sendmsg+0xee/0x170 [ 662.700426][ T10] __sys_sendmsg+0xcd/0x170 [ 662.700426][ T10] do_syscall_64+0xc6/0x1e0 [ 662.700426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 662.700426][ T10] [ 662.701993][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 662.701993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 662.701993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 662.701993][ T10] ipv6_find_idev+0x102/0x170 [ 662.701993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 662.701993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.701993][ T10] netlink_rcv_skb+0x130/0x360 [ 662.701993][ T10] netlink_unicast+0x449/0x710 [ 662.701993][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.701993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.701993][ T10] ___sys_sendmsg+0xee/0x170 [ 662.701993][ T10] __sys_sendmsg+0xcd/0x170 [ 662.701993][ T10] do_syscall_64+0xc6/0x1e0 [ 662.701993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 662.701993][ T10] [ 662.703723][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 662.703981][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 662.703981][ T10] vlan_dev_init+0x97c/0xdd0 [ 662.703981][ T10] register_netdevice+0x4d3/0x1690 [ 662.703981][ T10] register_vlan_dev+0x162/0x4a0 [ 662.703981][ T10] vlan_newlink+0x393/0x610 [ 662.703981][ T10] rtnl_newlink_create+0x341/0x850 [ 662.703981][ T10] __rtnl_newlink+0xac9/0xd80 [ 662.703981][ T10] rtnl_newlink+0x63/0xa0 [ 662.703981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 662.703981][ T10] netlink_rcv_skb+0x130/0x360 [ 662.703981][ T10] netlink_unicast+0x449/0x710 [ 662.703981][ T10] netlink_sendmsg+0x723/0xbe0 [ 662.703981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 662.703981][ T10] ___sys_sendmsg+0xee/0x170 [ 662.703981][ T10] __sys_sendmsg+0xcd/0x170 [ 662.703981][ T10] do_syscall_64+0xc6/0x1e0 [ 662.703981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 662.703981][ T10] [ 672.955995][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 672.956398][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 672.956398][ T10] netdev_get_by_index+0x5e/0x80 [ 672.956398][ T10] fib6_nh_init+0x3d8/0x1580 [ 672.956398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 672.956398][ T10] ip6_route_add+0x1c/0x140 [ 672.956398][ T10] addrconf_prefix_route+0x2a6/0x430 [ 672.956398][ T10] inet6_addr_add+0x4f8/0xa40 [ 672.956398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 672.956398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.956398][ T10] netlink_rcv_skb+0x130/0x360 [ 672.956398][ T10] netlink_unicast+0x449/0x710 [ 672.956398][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.956398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.956398][ T10] ___sys_sendmsg+0xee/0x170 [ 672.956398][ T10] __sys_sendmsg+0xcd/0x170 [ 672.956398][ T10] do_syscall_64+0xc6/0x1e0 [ 672.956398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 672.956398][ T10] [ 672.958424][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 672.958424][ T10] netdev_get_by_index+0x5e/0x80 [ 672.958424][ T10] fib6_nh_init+0x3d8/0x1580 [ 672.958424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 672.958424][ T10] addrconf_f6i_alloc+0x315/0x560 [ 672.958424][ T10] ipv6_add_addr+0x411/0x2000 [ 672.958424][ T10] inet6_addr_add+0x30e/0xa40 [ 672.958424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 672.958424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.958424][ T10] netlink_rcv_skb+0x130/0x360 [ 672.958424][ T10] netlink_unicast+0x449/0x710 [ 672.958424][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.958424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.958424][ T10] ___sys_sendmsg+0xee/0x170 [ 672.958424][ T10] __sys_sendmsg+0xcd/0x170 [ 672.958424][ T10] do_syscall_64+0xc6/0x1e0 [ 672.958424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 672.958424][ T10] [ 672.960447][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 672.960447][ T10] netdev_get_by_index+0x5e/0x80 [ 672.960447][ T10] fib6_nh_init+0x3d8/0x1580 [ 672.960447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 672.960447][ T10] ip6_route_add+0x1c/0x140 [ 672.960447][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 672.960447][ T10] addrconf_add_dev+0xe2/0x170 [ 672.960447][ T10] inet6_addr_add+0x12f/0xa40 [ 672.960447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 672.960447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.960447][ T10] netlink_rcv_skb+0x130/0x360 [ 672.960447][ T10] netlink_unicast+0x449/0x710 [ 672.960447][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.960447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.960447][ T10] ___sys_sendmsg+0xee/0x170 [ 672.960447][ T10] __sys_sendmsg+0xcd/0x170 [ 672.960447][ T10] do_syscall_64+0xc6/0x1e0 [ 672.960447][ T10] [ 672.962432][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 672.962432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 672.962432][ T10] ipv6_find_idev+0x102/0x170 [ 672.962432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 672.962432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.962432][ T10] netlink_rcv_skb+0x130/0x360 [ 672.962432][ T10] netlink_unicast+0x449/0x710 [ 672.962432][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.962432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.962432][ T10] ___sys_sendmsg+0xee/0x170 [ 672.962432][ T10] __sys_sendmsg+0xcd/0x170 [ 672.962432][ T10] do_syscall_64+0xc6/0x1e0 [ 672.962432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 672.962432][ T10] [ 672.963973][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 672.963973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 672.963973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 672.963973][ T10] ipv6_find_idev+0x102/0x170 [ 672.963973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 672.963973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.963973][ T10] netlink_rcv_skb+0x130/0x360 [ 672.963973][ T10] netlink_unicast+0x449/0x710 [ 672.963973][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.963973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.963973][ T10] ___sys_sendmsg+0xee/0x170 [ 672.963973][ T10] __sys_sendmsg+0xcd/0x170 [ 672.963973][ T10] do_syscall_64+0xc6/0x1e0 [ 672.963973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 672.963973][ T10] [ 672.965661][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 672.965939][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 672.965939][ T10] netdev_get_by_index+0x5e/0x80 [ 672.965939][ T10] fib6_nh_init+0x3d8/0x1580 [ 672.965939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 672.965939][ T10] ip6_route_add+0x1c/0x140 [ 672.965939][ T10] addrconf_prefix_route+0x2a6/0x430 [ 672.965939][ T10] inet6_addr_add+0x4f8/0xa40 [ 672.965939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 672.965939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.965939][ T10] netlink_rcv_skb+0x130/0x360 [ 672.965939][ T10] netlink_unicast+0x449/0x710 [ 672.965939][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.965939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.965939][ T10] ___sys_sendmsg+0xee/0x170 [ 672.965939][ T10] __sys_sendmsg+0xcd/0x170 [ 672.965939][ T10] do_syscall_64+0xc6/0x1e0 [ 672.965939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 672.965939][ T10] [ 672.967946][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 672.967946][ T10] netdev_get_by_index+0x5e/0x80 [ 672.967946][ T10] fib6_nh_init+0x3d8/0x1580 [ 672.967946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 672.967946][ T10] addrconf_f6i_alloc+0x315/0x560 [ 672.967946][ T10] ipv6_add_addr+0x411/0x2000 [ 672.967946][ T10] inet6_addr_add+0x30e/0xa40 [ 672.967946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 672.967946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.967946][ T10] netlink_rcv_skb+0x130/0x360 [ 672.967946][ T10] netlink_unicast+0x449/0x710 [ 672.967946][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.967946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.967946][ T10] ___sys_sendmsg+0xee/0x170 [ 672.967946][ T10] __sys_sendmsg+0xcd/0x170 [ 672.967946][ T10] do_syscall_64+0xc6/0x1e0 [ 672.967946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 672.967946][ T10] [ 672.969950][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 672.969950][ T10] netdev_get_by_index+0x5e/0x80 [ 672.969950][ T10] fib6_nh_init+0x3d8/0x1580 [ 672.969950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 672.969950][ T10] ip6_route_add+0x1c/0x140 [ 672.969950][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 672.969950][ T10] addrconf_add_dev+0xe2/0x170 [ 672.969950][ T10] inet6_addr_add+0x12f/0xa40 [ 672.969950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 672.969950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.969950][ T10] netlink_rcv_skb+0x130/0x360 [ 672.969950][ T10] netlink_unicast+0x449/0x710 [ 672.969950][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.969950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.969950][ T10] ___sys_sendmsg+0xee/0x170 [ 672.969950][ T10] __sys_sendmsg+0xcd/0x170 [ 672.969950][ T10] do_syscall_64+0xc6/0x1e0 [ 672.969950][ T10] [ 672.971927][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 672.971927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 672.971927][ T10] ipv6_find_idev+0x102/0x170 [ 672.971927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 672.971927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.971927][ T10] netlink_rcv_skb+0x130/0x360 [ 672.971927][ T10] netlink_unicast+0x449/0x710 [ 672.971927][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.971927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.971927][ T10] ___sys_sendmsg+0xee/0x170 [ 672.971927][ T10] __sys_sendmsg+0xcd/0x170 [ 672.971927][ T10] do_syscall_64+0xc6/0x1e0 [ 672.971927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 672.971927][ T10] [ 672.973485][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 672.973485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 672.973485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 672.973485][ T10] ipv6_find_idev+0x102/0x170 [ 672.973485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 672.973485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.973485][ T10] netlink_rcv_skb+0x130/0x360 [ 672.973485][ T10] netlink_unicast+0x449/0x710 [ 672.973485][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.973485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.973485][ T10] ___sys_sendmsg+0xee/0x170 [ 672.973485][ T10] __sys_sendmsg+0xcd/0x170 [ 672.973485][ T10] do_syscall_64+0xc6/0x1e0 [ 672.973485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 672.973485][ T10] [ 672.975176][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 672.975424][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 672.975424][ T10] vlan_dev_init+0x97c/0xdd0 [ 672.975424][ T10] register_netdevice+0x4d3/0x1690 [ 672.975424][ T10] register_vlan_dev+0x162/0x4a0 [ 672.975424][ T10] vlan_newlink+0x393/0x610 [ 672.975424][ T10] rtnl_newlink_create+0x341/0x850 [ 672.975424][ T10] __rtnl_newlink+0xac9/0xd80 [ 672.975424][ T10] rtnl_newlink+0x63/0xa0 [ 672.975424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 672.975424][ T10] netlink_rcv_skb+0x130/0x360 [ 672.975424][ T10] netlink_unicast+0x449/0x710 [ 672.975424][ T10] netlink_sendmsg+0x723/0xbe0 [ 672.975424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 672.975424][ T10] ___sys_sendmsg+0xee/0x170 [ 672.975424][ T10] __sys_sendmsg+0xcd/0x170 [ 672.975424][ T10] do_syscall_64+0xc6/0x1e0 [ 672.975424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 672.975424][ T10] [ 682.979937][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 682.980338][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 682.980338][ T10] netdev_get_by_index+0x5e/0x80 [ 682.980338][ T10] fib6_nh_init+0x3d8/0x1580 [ 682.980338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 682.980338][ T10] ip6_route_add+0x1c/0x140 [ 682.980338][ T10] addrconf_prefix_route+0x2a6/0x430 [ 682.980338][ T10] inet6_addr_add+0x4f8/0xa40 [ 682.980338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 682.980338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.980338][ T10] netlink_rcv_skb+0x130/0x360 [ 682.980338][ T10] netlink_unicast+0x449/0x710 [ 682.980338][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.980338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.980338][ T10] ___sys_sendmsg+0xee/0x170 [ 682.980338][ T10] __sys_sendmsg+0xcd/0x170 [ 682.980338][ T10] do_syscall_64+0xc6/0x1e0 [ 682.980338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 682.980338][ T10] [ 682.982381][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 682.982381][ T10] netdev_get_by_index+0x5e/0x80 [ 682.982381][ T10] fib6_nh_init+0x3d8/0x1580 [ 682.982381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 682.982381][ T10] addrconf_f6i_alloc+0x315/0x560 [ 682.982381][ T10] ipv6_add_addr+0x411/0x2000 [ 682.982381][ T10] inet6_addr_add+0x30e/0xa40 [ 682.982381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 682.982381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.982381][ T10] netlink_rcv_skb+0x130/0x360 [ 682.982381][ T10] netlink_unicast+0x449/0x710 [ 682.982381][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.982381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.982381][ T10] ___sys_sendmsg+0xee/0x170 [ 682.982381][ T10] __sys_sendmsg+0xcd/0x170 [ 682.982381][ T10] do_syscall_64+0xc6/0x1e0 [ 682.982381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 682.982381][ T10] [ 682.984394][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 682.984394][ T10] netdev_get_by_index+0x5e/0x80 [ 682.984394][ T10] fib6_nh_init+0x3d8/0x1580 [ 682.984394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 682.984394][ T10] ip6_route_add+0x1c/0x140 [ 682.984394][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 682.984394][ T10] addrconf_add_dev+0xe2/0x170 [ 682.984394][ T10] inet6_addr_add+0x12f/0xa40 [ 682.984394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 682.984394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.984394][ T10] netlink_rcv_skb+0x130/0x360 [ 682.984394][ T10] netlink_unicast+0x449/0x710 [ 682.984394][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.984394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.984394][ T10] ___sys_sendmsg+0xee/0x170 [ 682.984394][ T10] __sys_sendmsg+0xcd/0x170 [ 682.984394][ T10] do_syscall_64+0xc6/0x1e0 [ 682.984394][ T10] [ 682.986372][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 682.986372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 682.986372][ T10] ipv6_find_idev+0x102/0x170 [ 682.986372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 682.986372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.986372][ T10] netlink_rcv_skb+0x130/0x360 [ 682.986372][ T10] netlink_unicast+0x449/0x710 [ 682.986372][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.986372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.986372][ T10] ___sys_sendmsg+0xee/0x170 [ 682.986372][ T10] __sys_sendmsg+0xcd/0x170 [ 682.986372][ T10] do_syscall_64+0xc6/0x1e0 [ 682.986372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 682.986372][ T10] [ 682.987916][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 682.987916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 682.987916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 682.987916][ T10] ipv6_find_idev+0x102/0x170 [ 682.987916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 682.987916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.987916][ T10] netlink_rcv_skb+0x130/0x360 [ 682.987916][ T10] netlink_unicast+0x449/0x710 [ 682.987916][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.987916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.987916][ T10] ___sys_sendmsg+0xee/0x170 [ 682.987916][ T10] __sys_sendmsg+0xcd/0x170 [ 682.987916][ T10] do_syscall_64+0xc6/0x1e0 [ 682.987916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 682.987916][ T10] [ 682.989634][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 682.989921][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 682.989921][ T10] netdev_get_by_index+0x5e/0x80 [ 682.989921][ T10] fib6_nh_init+0x3d8/0x1580 [ 682.989921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 682.989921][ T10] ip6_route_add+0x1c/0x140 [ 682.989921][ T10] addrconf_prefix_route+0x2a6/0x430 [ 682.989921][ T10] inet6_addr_add+0x4f8/0xa40 [ 682.989921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 682.989921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.989921][ T10] netlink_rcv_skb+0x130/0x360 [ 682.989921][ T10] netlink_unicast+0x449/0x710 [ 682.989921][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.989921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.989921][ T10] ___sys_sendmsg+0xee/0x170 [ 682.989921][ T10] __sys_sendmsg+0xcd/0x170 [ 682.989921][ T10] do_syscall_64+0xc6/0x1e0 [ 682.989921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 682.989921][ T10] [ 682.991940][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 682.991940][ T10] netdev_get_by_index+0x5e/0x80 [ 682.991940][ T10] fib6_nh_init+0x3d8/0x1580 [ 682.991940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 682.991940][ T10] addrconf_f6i_alloc+0x315/0x560 [ 682.991940][ T10] ipv6_add_addr+0x411/0x2000 [ 682.991940][ T10] inet6_addr_add+0x30e/0xa40 [ 682.991940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 682.991940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.991940][ T10] netlink_rcv_skb+0x130/0x360 [ 682.991940][ T10] netlink_unicast+0x449/0x710 [ 682.991940][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.991940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.991940][ T10] ___sys_sendmsg+0xee/0x170 [ 682.991940][ T10] __sys_sendmsg+0xcd/0x170 [ 682.991940][ T10] do_syscall_64+0xc6/0x1e0 [ 682.991940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 682.991940][ T10] [ 682.994084][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 682.994084][ T10] netdev_get_by_index+0x5e/0x80 [ 682.994084][ T10] fib6_nh_init+0x3d8/0x1580 [ 682.994084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 682.994084][ T10] ip6_route_add+0x1c/0x140 [ 682.994084][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 682.994084][ T10] addrconf_add_dev+0xe2/0x170 [ 682.994084][ T10] inet6_addr_add+0x12f/0xa40 [ 682.994084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 682.994084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.994084][ T10] netlink_rcv_skb+0x130/0x360 [ 682.994084][ T10] netlink_unicast+0x449/0x710 [ 682.994084][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.994084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.994084][ T10] ___sys_sendmsg+0xee/0x170 [ 682.994084][ T10] __sys_sendmsg+0xcd/0x170 [ 682.994084][ T10] do_syscall_64+0xc6/0x1e0 [ 682.994084][ T10] [ 682.996081][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 682.996081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 682.996081][ T10] ipv6_find_idev+0x102/0x170 [ 682.996081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 682.996081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.996081][ T10] netlink_rcv_skb+0x130/0x360 [ 682.996081][ T10] netlink_unicast+0x449/0x710 [ 682.996081][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.996081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.996081][ T10] ___sys_sendmsg+0xee/0x170 [ 682.996081][ T10] __sys_sendmsg+0xcd/0x170 [ 682.996081][ T10] do_syscall_64+0xc6/0x1e0 [ 682.996081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 682.996081][ T10] [ 682.997640][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 682.997640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 682.997640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 682.997640][ T10] ipv6_find_idev+0x102/0x170 [ 682.997640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 682.997640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.997640][ T10] netlink_rcv_skb+0x130/0x360 [ 682.997640][ T10] netlink_unicast+0x449/0x710 [ 682.997640][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.997640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.997640][ T10] ___sys_sendmsg+0xee/0x170 [ 682.997640][ T10] __sys_sendmsg+0xcd/0x170 [ 682.997640][ T10] do_syscall_64+0xc6/0x1e0 [ 682.997640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 682.997640][ T10] [ 682.999359][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 682.999601][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 682.999601][ T10] vlan_dev_init+0x97c/0xdd0 [ 682.999601][ T10] register_netdevice+0x4d3/0x1690 [ 682.999601][ T10] register_vlan_dev+0x162/0x4a0 [ 682.999601][ T10] vlan_newlink+0x393/0x610 [ 682.999601][ T10] rtnl_newlink_create+0x341/0x850 [ 682.999601][ T10] __rtnl_newlink+0xac9/0xd80 [ 682.999601][ T10] rtnl_newlink+0x63/0xa0 [ 682.999601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 682.999601][ T10] netlink_rcv_skb+0x130/0x360 [ 682.999601][ T10] netlink_unicast+0x449/0x710 [ 682.999601][ T10] netlink_sendmsg+0x723/0xbe0 [ 682.999601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 682.999601][ T10] ___sys_sendmsg+0xee/0x170 [ 682.999601][ T10] __sys_sendmsg+0xcd/0x170 [ 682.999601][ T10] do_syscall_64+0xc6/0x1e0 [ 682.999601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 682.999601][ T10] [ 693.244056][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 693.244592][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 693.244592][ T10] netdev_get_by_index+0x5e/0x80 [ 693.244592][ T10] fib6_nh_init+0x3d8/0x1580 [ 693.244592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 693.244592][ T10] ip6_route_add+0x1c/0x140 [ 693.244592][ T10] addrconf_prefix_route+0x2a6/0x430 [ 693.244592][ T10] inet6_addr_add+0x4f8/0xa40 [ 693.244592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 693.244592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.244592][ T10] netlink_rcv_skb+0x130/0x360 [ 693.244592][ T10] netlink_unicast+0x449/0x710 [ 693.244592][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.244592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.244592][ T10] ___sys_sendmsg+0xee/0x170 [ 693.244592][ T10] __sys_sendmsg+0xcd/0x170 [ 693.244592][ T10] do_syscall_64+0xc6/0x1e0 [ 693.244592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 693.244592][ T10] [ 693.246930][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 693.246930][ T10] netdev_get_by_index+0x5e/0x80 [ 693.246930][ T10] fib6_nh_init+0x3d8/0x1580 [ 693.246930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 693.246930][ T10] addrconf_f6i_alloc+0x315/0x560 [ 693.246930][ T10] ipv6_add_addr+0x411/0x2000 [ 693.246930][ T10] inet6_addr_add+0x30e/0xa40 [ 693.246930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 693.246930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.246930][ T10] netlink_rcv_skb+0x130/0x360 [ 693.246930][ T10] netlink_unicast+0x449/0x710 [ 693.246930][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.246930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.246930][ T10] ___sys_sendmsg+0xee/0x170 [ 693.246930][ T10] __sys_sendmsg+0xcd/0x170 [ 693.246930][ T10] do_syscall_64+0xc6/0x1e0 [ 693.246930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 693.246930][ T10] [ 693.249249][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 693.249249][ T10] netdev_get_by_index+0x5e/0x80 [ 693.249249][ T10] fib6_nh_init+0x3d8/0x1580 [ 693.249249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 693.249249][ T10] ip6_route_add+0x1c/0x140 [ 693.249249][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 693.249249][ T10] addrconf_add_dev+0xe2/0x170 [ 693.249249][ T10] inet6_addr_add+0x12f/0xa40 [ 693.249249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 693.249249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.249249][ T10] netlink_rcv_skb+0x130/0x360 [ 693.249249][ T10] netlink_unicast+0x449/0x710 [ 693.249249][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.249249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.249249][ T10] ___sys_sendmsg+0xee/0x170 [ 693.249249][ T10] __sys_sendmsg+0xcd/0x170 [ 693.249249][ T10] do_syscall_64+0xc6/0x1e0 [ 693.249249][ T10] [ 693.251530][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 693.251530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 693.251530][ T10] ipv6_find_idev+0x102/0x170 [ 693.251530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 693.251530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.251530][ T10] netlink_rcv_skb+0x130/0x360 [ 693.251530][ T10] netlink_unicast+0x449/0x710 [ 693.251530][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.251530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.251530][ T10] ___sys_sendmsg+0xee/0x170 [ 693.251530][ T10] __sys_sendmsg+0xcd/0x170 [ 693.251530][ T10] do_syscall_64+0xc6/0x1e0 [ 693.251530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 693.251530][ T10] [ 693.253309][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 693.253309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 693.253309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 693.253309][ T10] ipv6_find_idev+0x102/0x170 [ 693.253309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 693.253309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.253309][ T10] netlink_rcv_skb+0x130/0x360 [ 693.253309][ T10] netlink_unicast+0x449/0x710 [ 693.253309][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.253309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.253309][ T10] ___sys_sendmsg+0xee/0x170 [ 693.253309][ T10] __sys_sendmsg+0xcd/0x170 [ 693.253309][ T10] do_syscall_64+0xc6/0x1e0 [ 693.253309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 693.253309][ T10] [ 693.255269][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 693.255578][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 693.255578][ T10] netdev_get_by_index+0x5e/0x80 [ 693.255578][ T10] fib6_nh_init+0x3d8/0x1580 [ 693.255578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 693.255578][ T10] ip6_route_add+0x1c/0x140 [ 693.255578][ T10] addrconf_prefix_route+0x2a6/0x430 [ 693.255578][ T10] inet6_addr_add+0x4f8/0xa40 [ 693.255578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 693.255578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.255578][ T10] netlink_rcv_skb+0x130/0x360 [ 693.255578][ T10] netlink_unicast+0x449/0x710 [ 693.255578][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.255578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.255578][ T10] ___sys_sendmsg+0xee/0x170 [ 693.255578][ T10] __sys_sendmsg+0xcd/0x170 [ 693.255578][ T10] do_syscall_64+0xc6/0x1e0 [ 693.255578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 693.255578][ T10] [ 693.257891][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 693.257891][ T10] netdev_get_by_index+0x5e/0x80 [ 693.257891][ T10] fib6_nh_init+0x3d8/0x1580 [ 693.257891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 693.257891][ T10] addrconf_f6i_alloc+0x315/0x560 [ 693.257891][ T10] ipv6_add_addr+0x411/0x2000 [ 693.257891][ T10] inet6_addr_add+0x30e/0xa40 [ 693.257891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 693.257891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.257891][ T10] netlink_rcv_skb+0x130/0x360 [ 693.257891][ T10] netlink_unicast+0x449/0x710 [ 693.257891][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.257891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.257891][ T10] ___sys_sendmsg+0xee/0x170 [ 693.257891][ T10] __sys_sendmsg+0xcd/0x170 [ 693.257891][ T10] do_syscall_64+0xc6/0x1e0 [ 693.257891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 693.257891][ T10] [ 693.260196][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 693.260196][ T10] netdev_get_by_index+0x5e/0x80 [ 693.260196][ T10] fib6_nh_init+0x3d8/0x1580 [ 693.260196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 693.260196][ T10] ip6_route_add+0x1c/0x140 [ 693.260196][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 693.260196][ T10] addrconf_add_dev+0xe2/0x170 [ 693.260196][ T10] inet6_addr_add+0x12f/0xa40 [ 693.260196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 693.260196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.260196][ T10] netlink_rcv_skb+0x130/0x360 [ 693.260196][ T10] netlink_unicast+0x449/0x710 [ 693.260196][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.260196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.260196][ T10] ___sys_sendmsg+0xee/0x170 [ 693.260196][ T10] __sys_sendmsg+0xcd/0x170 [ 693.260196][ T10] do_syscall_64+0xc6/0x1e0 [ 693.260196][ T10] [ 693.262477][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 693.262477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 693.262477][ T10] ipv6_find_idev+0x102/0x170 [ 693.262477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 693.262477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.262477][ T10] netlink_rcv_skb+0x130/0x360 [ 693.262477][ T10] netlink_unicast+0x449/0x710 [ 693.262477][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.262477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.262477][ T10] ___sys_sendmsg+0xee/0x170 [ 693.262477][ T10] __sys_sendmsg+0xcd/0x170 [ 693.262477][ T10] do_syscall_64+0xc6/0x1e0 [ 693.262477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 693.262477][ T10] [ 693.264263][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 693.264263][ T10] neigh_parms_alloc+0x1e5/0x510 [ 693.264263][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 693.264263][ T10] ipv6_find_idev+0x102/0x170 [ 693.264263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 693.264263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.264263][ T10] netlink_rcv_skb+0x130/0x360 [ 693.264263][ T10] netlink_unicast+0x449/0x710 [ 693.264263][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.264263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.264263][ T10] ___sys_sendmsg+0xee/0x170 [ 693.264263][ T10] __sys_sendmsg+0xcd/0x170 [ 693.264263][ T10] do_syscall_64+0xc6/0x1e0 [ 693.264263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 693.264263][ T10] [ 693.266204][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 693.266486][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 693.266486][ T10] vlan_dev_init+0x97c/0xdd0 [ 693.266486][ T10] register_netdevice+0x4d3/0x1690 [ 693.266486][ T10] register_vlan_dev+0x162/0x4a0 [ 693.266486][ T10] vlan_newlink+0x393/0x610 [ 693.266486][ T10] rtnl_newlink_create+0x341/0x850 [ 693.266486][ T10] __rtnl_newlink+0xac9/0xd80 [ 693.266486][ T10] rtnl_newlink+0x63/0xa0 [ 693.266486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 693.266486][ T10] netlink_rcv_skb+0x130/0x360 [ 693.266486][ T10] netlink_unicast+0x449/0x710 [ 693.266486][ T10] netlink_sendmsg+0x723/0xbe0 [ 693.266486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 693.266486][ T10] ___sys_sendmsg+0xee/0x170 [ 693.266486][ T10] __sys_sendmsg+0xcd/0x170 [ 693.266486][ T10] do_syscall_64+0xc6/0x1e0 [ 693.266486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 693.266486][ T10] [ 703.508043][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 703.508573][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 703.508573][ T10] netdev_get_by_index+0x5e/0x80 [ 703.508573][ T10] fib6_nh_init+0x3d8/0x1580 [ 703.508573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 703.508573][ T10] ip6_route_add+0x1c/0x140 [ 703.508573][ T10] addrconf_prefix_route+0x2a6/0x430 [ 703.508573][ T10] inet6_addr_add+0x4f8/0xa40 [ 703.508573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 703.508573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.508573][ T10] netlink_rcv_skb+0x130/0x360 [ 703.508573][ T10] netlink_unicast+0x449/0x710 [ 703.508573][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.508573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.508573][ T10] ___sys_sendmsg+0xee/0x170 [ 703.508573][ T10] __sys_sendmsg+0xcd/0x170 [ 703.508573][ T10] do_syscall_64+0xc6/0x1e0 [ 703.508573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 703.508573][ T10] [ 703.510960][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 703.510960][ T10] netdev_get_by_index+0x5e/0x80 [ 703.510960][ T10] fib6_nh_init+0x3d8/0x1580 [ 703.510960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 703.510960][ T10] addrconf_f6i_alloc+0x315/0x560 [ 703.510960][ T10] ipv6_add_addr+0x411/0x2000 [ 703.510960][ T10] inet6_addr_add+0x30e/0xa40 [ 703.510960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 703.510960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.510960][ T10] netlink_rcv_skb+0x130/0x360 [ 703.510960][ T10] netlink_unicast+0x449/0x710 [ 703.510960][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.510960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.510960][ T10] ___sys_sendmsg+0xee/0x170 [ 703.510960][ T10] __sys_sendmsg+0xcd/0x170 [ 703.510960][ T10] do_syscall_64+0xc6/0x1e0 [ 703.510960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 703.510960][ T10] [ 703.513292][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 703.513292][ T10] netdev_get_by_index+0x5e/0x80 [ 703.513292][ T10] fib6_nh_init+0x3d8/0x1580 [ 703.513292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 703.513292][ T10] ip6_route_add+0x1c/0x140 [ 703.513292][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 703.513292][ T10] addrconf_add_dev+0xe2/0x170 [ 703.513292][ T10] inet6_addr_add+0x12f/0xa40 [ 703.513292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 703.513292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.513292][ T10] netlink_rcv_skb+0x130/0x360 [ 703.513292][ T10] netlink_unicast+0x449/0x710 [ 703.513292][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.513292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.513292][ T10] ___sys_sendmsg+0xee/0x170 [ 703.513292][ T10] __sys_sendmsg+0xcd/0x170 [ 703.513292][ T10] do_syscall_64+0xc6/0x1e0 [ 703.513292][ T10] [ 703.515542][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 703.515542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 703.515542][ T10] ipv6_find_idev+0x102/0x170 [ 703.515542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 703.515542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.515542][ T10] netlink_rcv_skb+0x130/0x360 [ 703.515542][ T10] netlink_unicast+0x449/0x710 [ 703.515542][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.515542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.515542][ T10] ___sys_sendmsg+0xee/0x170 [ 703.515542][ T10] __sys_sendmsg+0xcd/0x170 [ 703.515542][ T10] do_syscall_64+0xc6/0x1e0 [ 703.515542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 703.515542][ T10] [ 703.517302][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 703.517302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 703.517302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 703.517302][ T10] ipv6_find_idev+0x102/0x170 [ 703.517302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 703.517302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.517302][ T10] netlink_rcv_skb+0x130/0x360 [ 703.517302][ T10] netlink_unicast+0x449/0x710 [ 703.517302][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.517302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.517302][ T10] ___sys_sendmsg+0xee/0x170 [ 703.517302][ T10] __sys_sendmsg+0xcd/0x170 [ 703.517302][ T10] do_syscall_64+0xc6/0x1e0 [ 703.517302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 703.517302][ T10] [ 703.519253][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 703.519568][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 703.519568][ T10] netdev_get_by_index+0x5e/0x80 [ 703.519568][ T10] fib6_nh_init+0x3d8/0x1580 [ 703.519568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 703.519568][ T10] ip6_route_add+0x1c/0x140 [ 703.519568][ T10] addrconf_prefix_route+0x2a6/0x430 [ 703.519568][ T10] inet6_addr_add+0x4f8/0xa40 [ 703.519568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 703.519568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.519568][ T10] netlink_rcv_skb+0x130/0x360 [ 703.519568][ T10] netlink_unicast+0x449/0x710 [ 703.519568][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.519568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.519568][ T10] ___sys_sendmsg+0xee/0x170 [ 703.519568][ T10] __sys_sendmsg+0xcd/0x170 [ 703.519568][ T10] do_syscall_64+0xc6/0x1e0 [ 703.519568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 703.519568][ T10] [ 703.521840][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 703.521840][ T10] netdev_get_by_index+0x5e/0x80 [ 703.521840][ T10] fib6_nh_init+0x3d8/0x1580 [ 703.521840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 703.521840][ T10] addrconf_f6i_alloc+0x315/0x560 [ 703.521840][ T10] ipv6_add_addr+0x411/0x2000 [ 703.521840][ T10] inet6_addr_add+0x30e/0xa40 [ 703.521840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 703.521840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.521840][ T10] netlink_rcv_skb+0x130/0x360 [ 703.521840][ T10] netlink_unicast+0x449/0x710 [ 703.521840][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.521840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.521840][ T10] ___sys_sendmsg+0xee/0x170 [ 703.521840][ T10] __sys_sendmsg+0xcd/0x170 [ 703.521840][ T10] do_syscall_64+0xc6/0x1e0 [ 703.521840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 703.521840][ T10] [ 703.524102][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 703.524102][ T10] netdev_get_by_index+0x5e/0x80 [ 703.524102][ T10] fib6_nh_init+0x3d8/0x1580 [ 703.524102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 703.524102][ T10] ip6_route_add+0x1c/0x140 [ 703.524102][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 703.524102][ T10] addrconf_add_dev+0xe2/0x170 [ 703.524102][ T10] inet6_addr_add+0x12f/0xa40 [ 703.524102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 703.524102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.524102][ T10] netlink_rcv_skb+0x130/0x360 [ 703.524102][ T10] netlink_unicast+0x449/0x710 [ 703.524102][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.524102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.524102][ T10] ___sys_sendmsg+0xee/0x170 [ 703.524102][ T10] __sys_sendmsg+0xcd/0x170 [ 703.524102][ T10] do_syscall_64+0xc6/0x1e0 [ 703.524102][ T10] [ 703.526334][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 703.526334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 703.526334][ T10] ipv6_find_idev+0x102/0x170 [ 703.526334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 703.526334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.526334][ T10] netlink_rcv_skb+0x130/0x360 [ 703.526334][ T10] netlink_unicast+0x449/0x710 [ 703.526334][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.526334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.526334][ T10] ___sys_sendmsg+0xee/0x170 [ 703.526334][ T10] __sys_sendmsg+0xcd/0x170 [ 703.526334][ T10] do_syscall_64+0xc6/0x1e0 [ 703.526334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 703.526334][ T10] [ 703.528082][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 703.528082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 703.528082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 703.528082][ T10] ipv6_find_idev+0x102/0x170 [ 703.528082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 703.528082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.528082][ T10] netlink_rcv_skb+0x130/0x360 [ 703.528082][ T10] netlink_unicast+0x449/0x710 [ 703.528082][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.528082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.528082][ T10] ___sys_sendmsg+0xee/0x170 [ 703.528082][ T10] __sys_sendmsg+0xcd/0x170 [ 703.528082][ T10] do_syscall_64+0xc6/0x1e0 [ 703.528082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 703.528082][ T10] [ 703.530012][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 703.530285][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 703.530285][ T10] vlan_dev_init+0x97c/0xdd0 [ 703.530285][ T10] register_netdevice+0x4d3/0x1690 [ 703.530285][ T10] register_vlan_dev+0x162/0x4a0 [ 703.530285][ T10] vlan_newlink+0x393/0x610 [ 703.530285][ T10] rtnl_newlink_create+0x341/0x850 [ 703.530285][ T10] __rtnl_newlink+0xac9/0xd80 [ 703.530285][ T10] rtnl_newlink+0x63/0xa0 [ 703.530285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 703.530285][ T10] netlink_rcv_skb+0x130/0x360 [ 703.530285][ T10] netlink_unicast+0x449/0x710 [ 703.530285][ T10] netlink_sendmsg+0x723/0xbe0 [ 703.530285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 703.530285][ T10] ___sys_sendmsg+0xee/0x170 [ 703.530285][ T10] __sys_sendmsg+0xcd/0x170 [ 703.530285][ T10] do_syscall_64+0xc6/0x1e0 [ 703.530285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 703.530285][ T10] [ 713.780095][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 713.780595][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 713.780595][ T10] netdev_get_by_index+0x5e/0x80 [ 713.780595][ T10] fib6_nh_init+0x3d8/0x1580 [ 713.780595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 713.780595][ T10] ip6_route_add+0x1c/0x140 [ 713.780595][ T10] addrconf_prefix_route+0x2a6/0x430 [ 713.780595][ T10] inet6_addr_add+0x4f8/0xa40 [ 713.780595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 713.780595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.780595][ T10] netlink_rcv_skb+0x130/0x360 [ 713.780595][ T10] netlink_unicast+0x449/0x710 [ 713.780595][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.780595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.780595][ T10] ___sys_sendmsg+0xee/0x170 [ 713.780595][ T10] __sys_sendmsg+0xcd/0x170 [ 713.780595][ T10] do_syscall_64+0xc6/0x1e0 [ 713.780595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 713.780595][ T10] [ 713.782630][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 713.782630][ T10] netdev_get_by_index+0x5e/0x80 [ 713.782630][ T10] fib6_nh_init+0x3d8/0x1580 [ 713.782630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 713.782630][ T10] addrconf_f6i_alloc+0x315/0x560 [ 713.782630][ T10] ipv6_add_addr+0x411/0x2000 [ 713.782630][ T10] inet6_addr_add+0x30e/0xa40 [ 713.782630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 713.782630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.782630][ T10] netlink_rcv_skb+0x130/0x360 [ 713.782630][ T10] netlink_unicast+0x449/0x710 [ 713.782630][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.782630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.782630][ T10] ___sys_sendmsg+0xee/0x170 [ 713.782630][ T10] __sys_sendmsg+0xcd/0x170 [ 713.782630][ T10] do_syscall_64+0xc6/0x1e0 [ 713.782630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 713.782630][ T10] [ 713.784631][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 713.784631][ T10] netdev_get_by_index+0x5e/0x80 [ 713.784631][ T10] fib6_nh_init+0x3d8/0x1580 [ 713.784631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 713.784631][ T10] ip6_route_add+0x1c/0x140 [ 713.784631][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 713.784631][ T10] addrconf_add_dev+0xe2/0x170 [ 713.784631][ T10] inet6_addr_add+0x12f/0xa40 [ 713.784631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 713.784631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.784631][ T10] netlink_rcv_skb+0x130/0x360 [ 713.784631][ T10] netlink_unicast+0x449/0x710 [ 713.784631][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.784631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.784631][ T10] ___sys_sendmsg+0xee/0x170 [ 713.784631][ T10] __sys_sendmsg+0xcd/0x170 [ 713.784631][ T10] do_syscall_64+0xc6/0x1e0 [ 713.784631][ T10] [ 713.786594][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 713.786594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 713.786594][ T10] ipv6_find_idev+0x102/0x170 [ 713.786594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 713.786594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.786594][ T10] netlink_rcv_skb+0x130/0x360 [ 713.786594][ T10] netlink_unicast+0x449/0x710 [ 713.786594][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.786594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.786594][ T10] ___sys_sendmsg+0xee/0x170 [ 713.786594][ T10] __sys_sendmsg+0xcd/0x170 [ 713.786594][ T10] do_syscall_64+0xc6/0x1e0 [ 713.786594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 713.786594][ T10] [ 713.788138][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 713.788138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 713.788138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 713.788138][ T10] ipv6_find_idev+0x102/0x170 [ 713.788138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 713.788138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.788138][ T10] netlink_rcv_skb+0x130/0x360 [ 713.788138][ T10] netlink_unicast+0x449/0x710 [ 713.788138][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.788138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.788138][ T10] ___sys_sendmsg+0xee/0x170 [ 713.788138][ T10] __sys_sendmsg+0xcd/0x170 [ 713.788138][ T10] do_syscall_64+0xc6/0x1e0 [ 713.788138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 713.788138][ T10] [ 713.789843][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 713.790140][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 713.790140][ T10] netdev_get_by_index+0x5e/0x80 [ 713.790140][ T10] fib6_nh_init+0x3d8/0x1580 [ 713.790140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 713.790140][ T10] ip6_route_add+0x1c/0x140 [ 713.790140][ T10] addrconf_prefix_route+0x2a6/0x430 [ 713.790140][ T10] inet6_addr_add+0x4f8/0xa40 [ 713.790140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 713.790140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.790140][ T10] netlink_rcv_skb+0x130/0x360 [ 713.790140][ T10] netlink_unicast+0x449/0x710 [ 713.790140][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.790140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.790140][ T10] ___sys_sendmsg+0xee/0x170 [ 713.790140][ T10] __sys_sendmsg+0xcd/0x170 [ 713.790140][ T10] do_syscall_64+0xc6/0x1e0 [ 713.790140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 713.790140][ T10] [ 713.792149][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 713.792149][ T10] netdev_get_by_index+0x5e/0x80 [ 713.792149][ T10] fib6_nh_init+0x3d8/0x1580 [ 713.792149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 713.792149][ T10] addrconf_f6i_alloc+0x315/0x560 [ 713.792149][ T10] ipv6_add_addr+0x411/0x2000 [ 713.792149][ T10] inet6_addr_add+0x30e/0xa40 [ 713.792149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 713.792149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.792149][ T10] netlink_rcv_skb+0x130/0x360 [ 713.792149][ T10] netlink_unicast+0x449/0x710 [ 713.792149][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.792149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.792149][ T10] ___sys_sendmsg+0xee/0x170 [ 713.792149][ T10] __sys_sendmsg+0xcd/0x170 [ 713.792149][ T10] do_syscall_64+0xc6/0x1e0 [ 713.792149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 713.792149][ T10] [ 713.794138][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 713.794138][ T10] netdev_get_by_index+0x5e/0x80 [ 713.794138][ T10] fib6_nh_init+0x3d8/0x1580 [ 713.794138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 713.794138][ T10] ip6_route_add+0x1c/0x140 [ 713.794138][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 713.794138][ T10] addrconf_add_dev+0xe2/0x170 [ 713.794138][ T10] inet6_addr_add+0x12f/0xa40 [ 713.794138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 713.794138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.794138][ T10] netlink_rcv_skb+0x130/0x360 [ 713.794138][ T10] netlink_unicast+0x449/0x710 [ 713.794138][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.794138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.794138][ T10] ___sys_sendmsg+0xee/0x170 [ 713.794138][ T10] __sys_sendmsg+0xcd/0x170 [ 713.794138][ T10] do_syscall_64+0xc6/0x1e0 [ 713.794138][ T10] [ 713.796105][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 713.796105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 713.796105][ T10] ipv6_find_idev+0x102/0x170 [ 713.796105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 713.796105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.796105][ T10] netlink_rcv_skb+0x130/0x360 [ 713.796105][ T10] netlink_unicast+0x449/0x710 [ 713.796105][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.796105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.796105][ T10] ___sys_sendmsg+0xee/0x170 [ 713.796105][ T10] __sys_sendmsg+0xcd/0x170 [ 713.796105][ T10] do_syscall_64+0xc6/0x1e0 [ 713.796105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 713.796105][ T10] [ 713.797637][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 713.797637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 713.797637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 713.797637][ T10] ipv6_find_idev+0x102/0x170 [ 713.797637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 713.797637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.797637][ T10] netlink_rcv_skb+0x130/0x360 [ 713.797637][ T10] netlink_unicast+0x449/0x710 [ 713.797637][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.797637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.797637][ T10] ___sys_sendmsg+0xee/0x170 [ 713.797637][ T10] __sys_sendmsg+0xcd/0x170 [ 713.797637][ T10] do_syscall_64+0xc6/0x1e0 [ 713.797637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 713.797637][ T10] [ 713.799333][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 713.799579][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 713.799579][ T10] vlan_dev_init+0x97c/0xdd0 [ 713.799579][ T10] register_netdevice+0x4d3/0x1690 [ 713.799579][ T10] register_vlan_dev+0x162/0x4a0 [ 713.799579][ T10] vlan_newlink+0x393/0x610 [ 713.799579][ T10] rtnl_newlink_create+0x341/0x850 [ 713.799579][ T10] __rtnl_newlink+0xac9/0xd80 [ 713.799579][ T10] rtnl_newlink+0x63/0xa0 [ 713.799579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 713.799579][ T10] netlink_rcv_skb+0x130/0x360 [ 713.799579][ T10] netlink_unicast+0x449/0x710 [ 713.799579][ T10] netlink_sendmsg+0x723/0xbe0 [ 713.799579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 713.799579][ T10] ___sys_sendmsg+0xee/0x170 [ 713.799579][ T10] __sys_sendmsg+0xcd/0x170 [ 713.799579][ T10] do_syscall_64+0xc6/0x1e0 [ 713.799579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 713.799579][ T10] [ 723.852022][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 723.852475][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 723.852475][ T10] netdev_get_by_index+0x5e/0x80 [ 723.852475][ T10] fib6_nh_init+0x3d8/0x1580 [ 723.852475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 723.852475][ T10] ip6_route_add+0x1c/0x140 [ 723.852475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 723.852475][ T10] inet6_addr_add+0x4f8/0xa40 [ 723.852475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 723.852475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.852475][ T10] netlink_rcv_skb+0x130/0x360 [ 723.852475][ T10] netlink_unicast+0x449/0x710 [ 723.852475][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.852475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.852475][ T10] ___sys_sendmsg+0xee/0x170 [ 723.852475][ T10] __sys_sendmsg+0xcd/0x170 [ 723.852475][ T10] do_syscall_64+0xc6/0x1e0 [ 723.852475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 723.852475][ T10] [ 723.854506][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 723.854506][ T10] netdev_get_by_index+0x5e/0x80 [ 723.854506][ T10] fib6_nh_init+0x3d8/0x1580 [ 723.854506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 723.854506][ T10] addrconf_f6i_alloc+0x315/0x560 [ 723.854506][ T10] ipv6_add_addr+0x411/0x2000 [ 723.854506][ T10] inet6_addr_add+0x30e/0xa40 [ 723.854506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 723.854506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.854506][ T10] netlink_rcv_skb+0x130/0x360 [ 723.854506][ T10] netlink_unicast+0x449/0x710 [ 723.854506][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.854506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.854506][ T10] ___sys_sendmsg+0xee/0x170 [ 723.854506][ T10] __sys_sendmsg+0xcd/0x170 [ 723.854506][ T10] do_syscall_64+0xc6/0x1e0 [ 723.854506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 723.854506][ T10] [ 723.856521][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 723.856521][ T10] netdev_get_by_index+0x5e/0x80 [ 723.856521][ T10] fib6_nh_init+0x3d8/0x1580 [ 723.856521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 723.856521][ T10] ip6_route_add+0x1c/0x140 [ 723.856521][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 723.856521][ T10] addrconf_add_dev+0xe2/0x170 [ 723.856521][ T10] inet6_addr_add+0x12f/0xa40 [ 723.856521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 723.856521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.856521][ T10] netlink_rcv_skb+0x130/0x360 [ 723.856521][ T10] netlink_unicast+0x449/0x710 [ 723.856521][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.856521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.856521][ T10] ___sys_sendmsg+0xee/0x170 [ 723.856521][ T10] __sys_sendmsg+0xcd/0x170 [ 723.856521][ T10] do_syscall_64+0xc6/0x1e0 [ 723.856521][ T10] [ 723.858494][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 723.858494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 723.858494][ T10] ipv6_find_idev+0x102/0x170 [ 723.858494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 723.858494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.858494][ T10] netlink_rcv_skb+0x130/0x360 [ 723.858494][ T10] netlink_unicast+0x449/0x710 [ 723.858494][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.858494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.858494][ T10] ___sys_sendmsg+0xee/0x170 [ 723.858494][ T10] __sys_sendmsg+0xcd/0x170 [ 723.858494][ T10] do_syscall_64+0xc6/0x1e0 [ 723.858494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 723.858494][ T10] [ 723.860042][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 723.860042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 723.860042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 723.860042][ T10] ipv6_find_idev+0x102/0x170 [ 723.860042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 723.860042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.860042][ T10] netlink_rcv_skb+0x130/0x360 [ 723.860042][ T10] netlink_unicast+0x449/0x710 [ 723.860042][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.860042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.860042][ T10] ___sys_sendmsg+0xee/0x170 [ 723.860042][ T10] __sys_sendmsg+0xcd/0x170 [ 723.860042][ T10] do_syscall_64+0xc6/0x1e0 [ 723.860042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 723.860042][ T10] [ 723.861766][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 723.862056][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 723.862056][ T10] netdev_get_by_index+0x5e/0x80 [ 723.862056][ T10] fib6_nh_init+0x3d8/0x1580 [ 723.862056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 723.862056][ T10] ip6_route_add+0x1c/0x140 [ 723.862056][ T10] addrconf_prefix_route+0x2a6/0x430 [ 723.862056][ T10] inet6_addr_add+0x4f8/0xa40 [ 723.862056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 723.862056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.862056][ T10] netlink_rcv_skb+0x130/0x360 [ 723.862056][ T10] netlink_unicast+0x449/0x710 [ 723.862056][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.862056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.862056][ T10] ___sys_sendmsg+0xee/0x170 [ 723.862056][ T10] __sys_sendmsg+0xcd/0x170 [ 723.862056][ T10] do_syscall_64+0xc6/0x1e0 [ 723.862056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 723.862056][ T10] [ 723.864071][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 723.864071][ T10] netdev_get_by_index+0x5e/0x80 [ 723.864071][ T10] fib6_nh_init+0x3d8/0x1580 [ 723.864071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 723.864071][ T10] addrconf_f6i_alloc+0x315/0x560 [ 723.864071][ T10] ipv6_add_addr+0x411/0x2000 [ 723.864071][ T10] inet6_addr_add+0x30e/0xa40 [ 723.864071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 723.864071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.864071][ T10] netlink_rcv_skb+0x130/0x360 [ 723.864071][ T10] netlink_unicast+0x449/0x710 [ 723.864071][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.864071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.864071][ T10] ___sys_sendmsg+0xee/0x170 [ 723.864071][ T10] __sys_sendmsg+0xcd/0x170 [ 723.864071][ T10] do_syscall_64+0xc6/0x1e0 [ 723.864071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 723.864071][ T10] [ 723.866060][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 723.866060][ T10] netdev_get_by_index+0x5e/0x80 [ 723.866060][ T10] fib6_nh_init+0x3d8/0x1580 [ 723.866060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 723.866060][ T10] ip6_route_add+0x1c/0x140 [ 723.866060][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 723.866060][ T10] addrconf_add_dev+0xe2/0x170 [ 723.866060][ T10] inet6_addr_add+0x12f/0xa40 [ 723.866060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 723.866060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.866060][ T10] netlink_rcv_skb+0x130/0x360 [ 723.866060][ T10] netlink_unicast+0x449/0x710 [ 723.866060][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.866060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.866060][ T10] ___sys_sendmsg+0xee/0x170 [ 723.866060][ T10] __sys_sendmsg+0xcd/0x170 [ 723.866060][ T10] do_syscall_64+0xc6/0x1e0 [ 723.866060][ T10] [ 723.868021][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 723.868021][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 723.868021][ T10] ipv6_find_idev+0x102/0x170 [ 723.868021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 723.868021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.868021][ T10] netlink_rcv_skb+0x130/0x360 [ 723.868021][ T10] netlink_unicast+0x449/0x710 [ 723.868021][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.868021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.868021][ T10] ___sys_sendmsg+0xee/0x170 [ 723.868021][ T10] __sys_sendmsg+0xcd/0x170 [ 723.868021][ T10] do_syscall_64+0xc6/0x1e0 [ 723.868021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 723.868021][ T10] [ 723.869556][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 723.869556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 723.869556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 723.869556][ T10] ipv6_find_idev+0x102/0x170 [ 723.869556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 723.869556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.869556][ T10] netlink_rcv_skb+0x130/0x360 [ 723.869556][ T10] netlink_unicast+0x449/0x710 [ 723.869556][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.869556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.869556][ T10] ___sys_sendmsg+0xee/0x170 [ 723.869556][ T10] __sys_sendmsg+0xcd/0x170 [ 723.869556][ T10] do_syscall_64+0xc6/0x1e0 [ 723.869556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 723.869556][ T10] [ 723.871235][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 723.871490][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 723.871490][ T10] vlan_dev_init+0x97c/0xdd0 [ 723.871490][ T10] register_netdevice+0x4d3/0x1690 [ 723.871490][ T10] register_vlan_dev+0x162/0x4a0 [ 723.871490][ T10] vlan_newlink+0x393/0x610 [ 723.871490][ T10] rtnl_newlink_create+0x341/0x850 [ 723.871490][ T10] __rtnl_newlink+0xac9/0xd80 [ 723.871490][ T10] rtnl_newlink+0x63/0xa0 [ 723.871490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 723.871490][ T10] netlink_rcv_skb+0x130/0x360 [ 723.871490][ T10] netlink_unicast+0x449/0x710 [ 723.871490][ T10] netlink_sendmsg+0x723/0xbe0 [ 723.871490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 723.871490][ T10] ___sys_sendmsg+0xee/0x170 [ 723.871490][ T10] __sys_sendmsg+0xcd/0x170 [ 723.871490][ T10] do_syscall_64+0xc6/0x1e0 [ 723.871490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 723.871490][ T10] [ 734.115931][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 734.116416][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 734.116416][ T10] netdev_get_by_index+0x5e/0x80 [ 734.116416][ T10] fib6_nh_init+0x3d8/0x1580 [ 734.116416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 734.116416][ T10] ip6_route_add+0x1c/0x140 [ 734.116416][ T10] addrconf_prefix_route+0x2a6/0x430 [ 734.116416][ T10] inet6_addr_add+0x4f8/0xa40 [ 734.116416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 734.116416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.116416][ T10] netlink_rcv_skb+0x130/0x360 [ 734.116416][ T10] netlink_unicast+0x449/0x710 [ 734.116416][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.116416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.116416][ T10] ___sys_sendmsg+0xee/0x170 [ 734.116416][ T10] __sys_sendmsg+0xcd/0x170 [ 734.116416][ T10] do_syscall_64+0xc6/0x1e0 [ 734.116416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.116416][ T10] [ 734.118533][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 734.118533][ T10] netdev_get_by_index+0x5e/0x80 [ 734.118533][ T10] fib6_nh_init+0x3d8/0x1580 [ 734.118533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 734.118533][ T10] addrconf_f6i_alloc+0x315/0x560 [ 734.118533][ T10] ipv6_add_addr+0x411/0x2000 [ 734.118533][ T10] inet6_addr_add+0x30e/0xa40 [ 734.118533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 734.118533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.118533][ T10] netlink_rcv_skb+0x130/0x360 [ 734.118533][ T10] netlink_unicast+0x449/0x710 [ 734.118533][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.118533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.118533][ T10] ___sys_sendmsg+0xee/0x170 [ 734.118533][ T10] __sys_sendmsg+0xcd/0x170 [ 734.118533][ T10] do_syscall_64+0xc6/0x1e0 [ 734.118533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.118533][ T10] [ 734.120564][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 734.120564][ T10] netdev_get_by_index+0x5e/0x80 [ 734.120564][ T10] fib6_nh_init+0x3d8/0x1580 [ 734.120564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 734.120564][ T10] ip6_route_add+0x1c/0x140 [ 734.120564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 734.120564][ T10] addrconf_add_dev+0xe2/0x170 [ 734.120564][ T10] inet6_addr_add+0x12f/0xa40 [ 734.120564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 734.120564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.120564][ T10] netlink_rcv_skb+0x130/0x360 [ 734.120564][ T10] netlink_unicast+0x449/0x710 [ 734.120564][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.120564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.120564][ T10] ___sys_sendmsg+0xee/0x170 [ 734.120564][ T10] __sys_sendmsg+0xcd/0x170 [ 734.120564][ T10] do_syscall_64+0xc6/0x1e0 [ 734.120564][ T10] [ 734.122540][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 734.122540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 734.122540][ T10] ipv6_find_idev+0x102/0x170 [ 734.122540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 734.122540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.122540][ T10] netlink_rcv_skb+0x130/0x360 [ 734.122540][ T10] netlink_unicast+0x449/0x710 [ 734.122540][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.122540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.122540][ T10] ___sys_sendmsg+0xee/0x170 [ 734.122540][ T10] __sys_sendmsg+0xcd/0x170 [ 734.122540][ T10] do_syscall_64+0xc6/0x1e0 [ 734.122540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.122540][ T10] [ 734.124092][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 734.124092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 734.124092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 734.124092][ T10] ipv6_find_idev+0x102/0x170 [ 734.124092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 734.124092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.124092][ T10] netlink_rcv_skb+0x130/0x360 [ 734.124092][ T10] netlink_unicast+0x449/0x710 [ 734.124092][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.124092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.124092][ T10] ___sys_sendmsg+0xee/0x170 [ 734.124092][ T10] __sys_sendmsg+0xcd/0x170 [ 734.124092][ T10] do_syscall_64+0xc6/0x1e0 [ 734.124092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.124092][ T10] [ 734.125797][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 734.126091][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 734.126091][ T10] netdev_get_by_index+0x5e/0x80 [ 734.126091][ T10] fib6_nh_init+0x3d8/0x1580 [ 734.126091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 734.126091][ T10] ip6_route_add+0x1c/0x140 [ 734.126091][ T10] addrconf_prefix_route+0x2a6/0x430 [ 734.126091][ T10] inet6_addr_add+0x4f8/0xa40 [ 734.126091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 734.126091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.126091][ T10] netlink_rcv_skb+0x130/0x360 [ 734.126091][ T10] netlink_unicast+0x449/0x710 [ 734.126091][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.126091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.126091][ T10] ___sys_sendmsg+0xee/0x170 [ 734.126091][ T10] __sys_sendmsg+0xcd/0x170 [ 734.126091][ T10] do_syscall_64+0xc6/0x1e0 [ 734.126091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.126091][ T10] [ 734.128094][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 734.128094][ T10] netdev_get_by_index+0x5e/0x80 [ 734.128094][ T10] fib6_nh_init+0x3d8/0x1580 [ 734.128094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 734.128094][ T10] addrconf_f6i_alloc+0x315/0x560 [ 734.128094][ T10] ipv6_add_addr+0x411/0x2000 [ 734.128094][ T10] inet6_addr_add+0x30e/0xa40 [ 734.128094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 734.128094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.128094][ T10] netlink_rcv_skb+0x130/0x360 [ 734.128094][ T10] netlink_unicast+0x449/0x710 [ 734.128094][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.128094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.128094][ T10] ___sys_sendmsg+0xee/0x170 [ 734.128094][ T10] __sys_sendmsg+0xcd/0x170 [ 734.128094][ T10] do_syscall_64+0xc6/0x1e0 [ 734.128094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.128094][ T10] [ 734.130110][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 734.130110][ T10] netdev_get_by_index+0x5e/0x80 [ 734.130110][ T10] fib6_nh_init+0x3d8/0x1580 [ 734.130110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 734.130110][ T10] ip6_route_add+0x1c/0x140 [ 734.130110][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 734.130110][ T10] addrconf_add_dev+0xe2/0x170 [ 734.130110][ T10] inet6_addr_add+0x12f/0xa40 [ 734.130110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 734.130110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.130110][ T10] netlink_rcv_skb+0x130/0x360 [ 734.130110][ T10] netlink_unicast+0x449/0x710 [ 734.130110][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.130110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.130110][ T10] ___sys_sendmsg+0xee/0x170 [ 734.130110][ T10] __sys_sendmsg+0xcd/0x170 [ 734.130110][ T10] do_syscall_64+0xc6/0x1e0 [ 734.130110][ T10] [ 734.132067][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 734.132067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 734.132067][ T10] ipv6_find_idev+0x102/0x170 [ 734.132067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 734.132067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.132067][ T10] netlink_rcv_skb+0x130/0x360 [ 734.132067][ T10] netlink_unicast+0x449/0x710 [ 734.132067][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.132067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.132067][ T10] ___sys_sendmsg+0xee/0x170 [ 734.132067][ T10] __sys_sendmsg+0xcd/0x170 [ 734.132067][ T10] do_syscall_64+0xc6/0x1e0 [ 734.132067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.132067][ T10] [ 734.133601][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 734.133601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 734.133601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 734.133601][ T10] ipv6_find_idev+0x102/0x170 [ 734.133601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 734.133601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.133601][ T10] netlink_rcv_skb+0x130/0x360 [ 734.133601][ T10] netlink_unicast+0x449/0x710 [ 734.133601][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.133601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.133601][ T10] ___sys_sendmsg+0xee/0x170 [ 734.133601][ T10] __sys_sendmsg+0xcd/0x170 [ 734.133601][ T10] do_syscall_64+0xc6/0x1e0 [ 734.133601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.133601][ T10] [ 734.135279][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 734.135517][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 734.135517][ T10] vlan_dev_init+0x97c/0xdd0 [ 734.135517][ T10] register_netdevice+0x4d3/0x1690 [ 734.135517][ T10] register_vlan_dev+0x162/0x4a0 [ 734.135517][ T10] vlan_newlink+0x393/0x610 [ 734.135517][ T10] rtnl_newlink_create+0x341/0x850 [ 734.135517][ T10] __rtnl_newlink+0xac9/0xd80 [ 734.135517][ T10] rtnl_newlink+0x63/0xa0 [ 734.135517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 734.135517][ T10] netlink_rcv_skb+0x130/0x360 [ 734.135517][ T10] netlink_unicast+0x449/0x710 [ 734.135517][ T10] netlink_sendmsg+0x723/0xbe0 [ 734.135517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 734.135517][ T10] ___sys_sendmsg+0xee/0x170 [ 734.135517][ T10] __sys_sendmsg+0xcd/0x170 [ 734.135517][ T10] do_syscall_64+0xc6/0x1e0 [ 734.135517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 734.135517][ T10] [ 738.604033][ T42] INFO: task modprobe:3829 blocked for more than 245 seconds. [ 738.604328][ T42] Not tainted 6.8.0-virtme #1 [ 738.604446][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.604669][ T42] task:modprobe state:D stack:25648 pid:3829 tgid:3829 ppid:59 flags:0x00004002 [ 738.604946][ T42] Call Trace: [ 738.605041][ T42] [ 738.605113][ T42] __schedule+0x705/0x1ac0 [ 738.605250][ T42] ? __pfx___schedule+0x10/0x10 [ 738.605377][ T42] ? schedule+0x1a5/0x210 [ 738.605474][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 738.605602][ T42] ? mark_lock+0x38/0x3e0 [ 738.605701][ T42] ? do_raw_spin_lock+0x131/0x270 [ 738.605831][ T42] ? schedule+0x1a5/0x210 [ 738.605940][ T42] schedule+0xdf/0x210 [ 738.606036][ T42] schedule_preempt_disabled+0x15/0x30 [ 738.606162][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 738.606290][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 738.606478][ T42] ? kasan_save_stack+0x34/0x50 [ 738.606601][ T42] ? kasan_save_stack+0x24/0x50 [ 738.606730][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 738.606859][ T42] ? lock_acquire+0x1c1/0x220 [ 738.606994][ T42] ? register_pernet_subsys+0x1a/0x50 [ 738.607125][ T42] down_write+0x1c9/0x200 [ 738.607221][ T42] ? __pfx_down_write+0x10/0x10 [ 738.607342][ T42] ? __pfx___lock_release+0x10/0x10 [ 738.607473][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 738.607665][ T42] register_pernet_subsys+0x1a/0x50 [ 738.607793][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 738.607986][ T42] do_one_initcall+0xc8/0x3f0 [ 738.608113][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 738.608239][ T42] ? __create_object+0x5e/0xb0 [ 738.608367][ T42] ? kasan_unpoison+0x27/0x60 [ 738.608497][ T42] do_init_module+0x233/0x740 [ 738.608632][ T42] load_module+0x16b5/0x2350 [ 738.608774][ T42] ? __pfx_load_module+0x10/0x10 [ 738.608943][ T42] ? kernel_read_file+0x3d2/0x520 [ 738.609075][ T42] ? kernel_read_file+0x300/0x520 [ 738.609203][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 738.609335][ T42] ? init_module_from_file+0xd2/0x130 [ 738.609457][ T42] init_module_from_file+0xd2/0x130 [ 738.609584][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 738.609735][ T42] ? __lock_release+0x103/0x460 [ 738.609863][ T42] ? idempotent_init_module+0x32a/0x620 [ 738.610013][ T42] ? idempotent_init_module+0x32a/0x620 [ 738.610137][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 738.610262][ T42] idempotent_init_module+0x342/0x620 [ 738.610393][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 738.610564][ T42] __x64_sys_finit_module+0xbe/0x130 [ 738.610688][ T42] do_syscall_64+0xc6/0x1e0 [ 738.610814][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.610983][ T42] RIP: 0033:0x7fab981a1e5d [ 738.611113][ T42] RSP: 002b:00007ffe70d7a428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 738.611301][ T42] RAX: ffffffffffffffda RBX: 0000555e1943ce90 RCX: 00007fab981a1e5d [ 738.611483][ T42] RDX: 0000000000000000 RSI: 0000555deb69da2a RDI: 0000000000000001 [ 738.611663][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555e1943d4f0 [ 738.611848][ T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555deb69da2a [ 738.612045][ T42] R13: 0000555e1943ce40 R14: 0000555e1943d570 R15: 0000000000000000 [ 738.612240][ T42] [ 738.612334][ T42] [ 738.612334][ T42] Showing all locks held in the system: [ 738.612508][ T42] 3 locks held by kworker/u16:0/10: [ 738.612627][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 738.612909][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 738.613132][ T42] #2: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 738.613349][ T42] 1 lock held by khungtaskd/42: [ 738.613467][ T42] #0: ffffffffb5b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 738.613689][ T42] 2 locks held by kworker/u18:1/59: [ 738.613810][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 738.614062][ T42] #1: ffffc90000407da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 738.614350][ T42] 1 lock held by modprobe/3829: [ 738.614467][ T42] #0: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 738.614717][ T42] [ 738.614777][ T42] ============================================= [ 738.614777][ T42] [ 744.380036][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 744.380569][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 744.380569][ T10] netdev_get_by_index+0x5e/0x80 [ 744.380569][ T10] fib6_nh_init+0x3d8/0x1580 [ 744.380569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 744.380569][ T10] ip6_route_add+0x1c/0x140 [ 744.380569][ T10] addrconf_prefix_route+0x2a6/0x430 [ 744.380569][ T10] inet6_addr_add+0x4f8/0xa40 [ 744.380569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 744.380569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.380569][ T10] netlink_rcv_skb+0x130/0x360 [ 744.380569][ T10] netlink_unicast+0x449/0x710 [ 744.380569][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.380569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.380569][ T10] ___sys_sendmsg+0xee/0x170 [ 744.380569][ T10] __sys_sendmsg+0xcd/0x170 [ 744.380569][ T10] do_syscall_64+0xc6/0x1e0 [ 744.380569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 744.380569][ T10] [ 744.382861][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 744.382861][ T10] netdev_get_by_index+0x5e/0x80 [ 744.382861][ T10] fib6_nh_init+0x3d8/0x1580 [ 744.382861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 744.382861][ T10] addrconf_f6i_alloc+0x315/0x560 [ 744.382861][ T10] ipv6_add_addr+0x411/0x2000 [ 744.382861][ T10] inet6_addr_add+0x30e/0xa40 [ 744.382861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 744.382861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.382861][ T10] netlink_rcv_skb+0x130/0x360 [ 744.382861][ T10] netlink_unicast+0x449/0x710 [ 744.382861][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.382861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.382861][ T10] ___sys_sendmsg+0xee/0x170 [ 744.382861][ T10] __sys_sendmsg+0xcd/0x170 [ 744.382861][ T10] do_syscall_64+0xc6/0x1e0 [ 744.382861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 744.382861][ T10] [ 744.385153][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 744.385153][ T10] netdev_get_by_index+0x5e/0x80 [ 744.385153][ T10] fib6_nh_init+0x3d8/0x1580 [ 744.385153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 744.385153][ T10] ip6_route_add+0x1c/0x140 [ 744.385153][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 744.385153][ T10] addrconf_add_dev+0xe2/0x170 [ 744.385153][ T10] inet6_addr_add+0x12f/0xa40 [ 744.385153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 744.385153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.385153][ T10] netlink_rcv_skb+0x130/0x360 [ 744.385153][ T10] netlink_unicast+0x449/0x710 [ 744.385153][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.385153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.385153][ T10] ___sys_sendmsg+0xee/0x170 [ 744.385153][ T10] __sys_sendmsg+0xcd/0x170 [ 744.385153][ T10] do_syscall_64+0xc6/0x1e0 [ 744.385153][ T10] [ 744.387382][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 744.387382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 744.387382][ T10] ipv6_find_idev+0x102/0x170 [ 744.387382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 744.387382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.387382][ T10] netlink_rcv_skb+0x130/0x360 [ 744.387382][ T10] netlink_unicast+0x449/0x710 [ 744.387382][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.387382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.387382][ T10] ___sys_sendmsg+0xee/0x170 [ 744.387382][ T10] __sys_sendmsg+0xcd/0x170 [ 744.387382][ T10] do_syscall_64+0xc6/0x1e0 [ 744.387382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 744.387382][ T10] [ 744.389148][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 744.389148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 744.389148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 744.389148][ T10] ipv6_find_idev+0x102/0x170 [ 744.389148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 744.389148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.389148][ T10] netlink_rcv_skb+0x130/0x360 [ 744.389148][ T10] netlink_unicast+0x449/0x710 [ 744.389148][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.389148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.389148][ T10] ___sys_sendmsg+0xee/0x170 [ 744.389148][ T10] __sys_sendmsg+0xcd/0x170 [ 744.389148][ T10] do_syscall_64+0xc6/0x1e0 [ 744.389148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 744.389148][ T10] [ 744.391088][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 744.391394][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 744.391394][ T10] netdev_get_by_index+0x5e/0x80 [ 744.391394][ T10] fib6_nh_init+0x3d8/0x1580 [ 744.391394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 744.391394][ T10] ip6_route_add+0x1c/0x140 [ 744.391394][ T10] addrconf_prefix_route+0x2a6/0x430 [ 744.391394][ T10] inet6_addr_add+0x4f8/0xa40 [ 744.391394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 744.391394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.391394][ T10] netlink_rcv_skb+0x130/0x360 [ 744.391394][ T10] netlink_unicast+0x449/0x710 [ 744.391394][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.391394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.391394][ T10] ___sys_sendmsg+0xee/0x170 [ 744.391394][ T10] __sys_sendmsg+0xcd/0x170 [ 744.391394][ T10] do_syscall_64+0xc6/0x1e0 [ 744.391394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 744.391394][ T10] [ 744.393666][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 744.393666][ T10] netdev_get_by_index+0x5e/0x80 [ 744.393666][ T10] fib6_nh_init+0x3d8/0x1580 [ 744.393666][ T10] ip6_route_info_create+0xf18/0x17d0 [ 744.393666][ T10] addrconf_f6i_alloc+0x315/0x560 [ 744.393666][ T10] ipv6_add_addr+0x411/0x2000 [ 744.393666][ T10] inet6_addr_add+0x30e/0xa40 [ 744.393666][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 744.393666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.393666][ T10] netlink_rcv_skb+0x130/0x360 [ 744.393666][ T10] netlink_unicast+0x449/0x710 [ 744.393666][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.393666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.393666][ T10] ___sys_sendmsg+0xee/0x170 [ 744.393666][ T10] __sys_sendmsg+0xcd/0x170 [ 744.393666][ T10] do_syscall_64+0xc6/0x1e0 [ 744.393666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 744.393666][ T10] [ 744.395933][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 744.395933][ T10] netdev_get_by_index+0x5e/0x80 [ 744.395933][ T10] fib6_nh_init+0x3d8/0x1580 [ 744.395933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 744.395933][ T10] ip6_route_add+0x1c/0x140 [ 744.395933][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 744.395933][ T10] addrconf_add_dev+0xe2/0x170 [ 744.395933][ T10] inet6_addr_add+0x12f/0xa40 [ 744.395933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 744.395933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.395933][ T10] netlink_rcv_skb+0x130/0x360 [ 744.395933][ T10] netlink_unicast+0x449/0x710 [ 744.395933][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.395933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.395933][ T10] ___sys_sendmsg+0xee/0x170 [ 744.395933][ T10] __sys_sendmsg+0xcd/0x170 [ 744.395933][ T10] do_syscall_64+0xc6/0x1e0 [ 744.395933][ T10] [ 744.398171][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 744.398171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 744.398171][ T10] ipv6_find_idev+0x102/0x170 [ 744.398171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 744.398171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.398171][ T10] netlink_rcv_skb+0x130/0x360 [ 744.398171][ T10] netlink_unicast+0x449/0x710 [ 744.398171][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.398171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.398171][ T10] ___sys_sendmsg+0xee/0x170 [ 744.398171][ T10] __sys_sendmsg+0xcd/0x170 [ 744.398171][ T10] do_syscall_64+0xc6/0x1e0 [ 744.398171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 744.398171][ T10] [ 744.399922][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 744.399922][ T10] neigh_parms_alloc+0x1e5/0x510 [ 744.399922][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 744.399922][ T10] ipv6_find_idev+0x102/0x170 [ 744.399922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 744.399922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.399922][ T10] netlink_rcv_skb+0x130/0x360 [ 744.399922][ T10] netlink_unicast+0x449/0x710 [ 744.399922][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.399922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.399922][ T10] ___sys_sendmsg+0xee/0x170 [ 744.399922][ T10] __sys_sendmsg+0xcd/0x170 [ 744.399922][ T10] do_syscall_64+0xc6/0x1e0 [ 744.399922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 744.399922][ T10] [ 744.401817][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 744.402111][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 744.402111][ T10] vlan_dev_init+0x97c/0xdd0 [ 744.402111][ T10] register_netdevice+0x4d3/0x1690 [ 744.402111][ T10] register_vlan_dev+0x162/0x4a0 [ 744.402111][ T10] vlan_newlink+0x393/0x610 [ 744.402111][ T10] rtnl_newlink_create+0x341/0x850 [ 744.402111][ T10] __rtnl_newlink+0xac9/0xd80 [ 744.402111][ T10] rtnl_newlink+0x63/0xa0 [ 744.402111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 744.402111][ T10] netlink_rcv_skb+0x130/0x360 [ 744.402111][ T10] netlink_unicast+0x449/0x710 [ 744.402111][ T10] netlink_sendmsg+0x723/0xbe0 [ 744.402111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 744.402111][ T10] ___sys_sendmsg+0xee/0x170 [ 744.402111][ T10] __sys_sendmsg+0xcd/0x170 [ 744.402111][ T10] do_syscall_64+0xc6/0x1e0 [ 744.402111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 744.402111][ T10] [ 754.643924][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 754.644429][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 754.644429][ T10] netdev_get_by_index+0x5e/0x80 [ 754.644429][ T10] fib6_nh_init+0x3d8/0x1580 [ 754.644429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 754.644429][ T10] ip6_route_add+0x1c/0x140 [ 754.644429][ T10] addrconf_prefix_route+0x2a6/0x430 [ 754.644429][ T10] inet6_addr_add+0x4f8/0xa40 [ 754.644429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 754.644429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.644429][ T10] netlink_rcv_skb+0x130/0x360 [ 754.644429][ T10] netlink_unicast+0x449/0x710 [ 754.644429][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.644429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.644429][ T10] ___sys_sendmsg+0xee/0x170 [ 754.644429][ T10] __sys_sendmsg+0xcd/0x170 [ 754.644429][ T10] do_syscall_64+0xc6/0x1e0 [ 754.644429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 754.644429][ T10] [ 754.646464][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 754.646464][ T10] netdev_get_by_index+0x5e/0x80 [ 754.646464][ T10] fib6_nh_init+0x3d8/0x1580 [ 754.646464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 754.646464][ T10] addrconf_f6i_alloc+0x315/0x560 [ 754.646464][ T10] ipv6_add_addr+0x411/0x2000 [ 754.646464][ T10] inet6_addr_add+0x30e/0xa40 [ 754.646464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 754.646464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.646464][ T10] netlink_rcv_skb+0x130/0x360 [ 754.646464][ T10] netlink_unicast+0x449/0x710 [ 754.646464][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.646464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.646464][ T10] ___sys_sendmsg+0xee/0x170 [ 754.646464][ T10] __sys_sendmsg+0xcd/0x170 [ 754.646464][ T10] do_syscall_64+0xc6/0x1e0 [ 754.646464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 754.646464][ T10] [ 754.648476][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 754.648476][ T10] netdev_get_by_index+0x5e/0x80 [ 754.648476][ T10] fib6_nh_init+0x3d8/0x1580 [ 754.648476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 754.648476][ T10] ip6_route_add+0x1c/0x140 [ 754.648476][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 754.648476][ T10] addrconf_add_dev+0xe2/0x170 [ 754.648476][ T10] inet6_addr_add+0x12f/0xa40 [ 754.648476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 754.648476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.648476][ T10] netlink_rcv_skb+0x130/0x360 [ 754.648476][ T10] netlink_unicast+0x449/0x710 [ 754.648476][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.648476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.648476][ T10] ___sys_sendmsg+0xee/0x170 [ 754.648476][ T10] __sys_sendmsg+0xcd/0x170 [ 754.648476][ T10] do_syscall_64+0xc6/0x1e0 [ 754.648476][ T10] [ 754.650456][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 754.650456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 754.650456][ T10] ipv6_find_idev+0x102/0x170 [ 754.650456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 754.650456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.650456][ T10] netlink_rcv_skb+0x130/0x360 [ 754.650456][ T10] netlink_unicast+0x449/0x710 [ 754.650456][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.650456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.650456][ T10] ___sys_sendmsg+0xee/0x170 [ 754.650456][ T10] __sys_sendmsg+0xcd/0x170 [ 754.650456][ T10] do_syscall_64+0xc6/0x1e0 [ 754.650456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 754.650456][ T10] [ 754.652012][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 754.652012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 754.652012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 754.652012][ T10] ipv6_find_idev+0x102/0x170 [ 754.652012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 754.652012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.652012][ T10] netlink_rcv_skb+0x130/0x360 [ 754.652012][ T10] netlink_unicast+0x449/0x710 [ 754.652012][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.652012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.652012][ T10] ___sys_sendmsg+0xee/0x170 [ 754.652012][ T10] __sys_sendmsg+0xcd/0x170 [ 754.652012][ T10] do_syscall_64+0xc6/0x1e0 [ 754.652012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 754.652012][ T10] [ 754.653717][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 754.654006][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 754.654006][ T10] netdev_get_by_index+0x5e/0x80 [ 754.654006][ T10] fib6_nh_init+0x3d8/0x1580 [ 754.654006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 754.654006][ T10] ip6_route_add+0x1c/0x140 [ 754.654006][ T10] addrconf_prefix_route+0x2a6/0x430 [ 754.654006][ T10] inet6_addr_add+0x4f8/0xa40 [ 754.654006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 754.654006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.654006][ T10] netlink_rcv_skb+0x130/0x360 [ 754.654006][ T10] netlink_unicast+0x449/0x710 [ 754.654006][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.654006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.654006][ T10] ___sys_sendmsg+0xee/0x170 [ 754.654006][ T10] __sys_sendmsg+0xcd/0x170 [ 754.654006][ T10] do_syscall_64+0xc6/0x1e0 [ 754.654006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 754.654006][ T10] [ 754.656015][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 754.656015][ T10] netdev_get_by_index+0x5e/0x80 [ 754.656015][ T10] fib6_nh_init+0x3d8/0x1580 [ 754.656015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 754.656015][ T10] addrconf_f6i_alloc+0x315/0x560 [ 754.656015][ T10] ipv6_add_addr+0x411/0x2000 [ 754.656015][ T10] inet6_addr_add+0x30e/0xa40 [ 754.656015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 754.656015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.656015][ T10] netlink_rcv_skb+0x130/0x360 [ 754.656015][ T10] netlink_unicast+0x449/0x710 [ 754.656015][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.656015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.656015][ T10] ___sys_sendmsg+0xee/0x170 [ 754.656015][ T10] __sys_sendmsg+0xcd/0x170 [ 754.656015][ T10] do_syscall_64+0xc6/0x1e0 [ 754.656015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 754.656015][ T10] [ 754.658077][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 754.658077][ T10] netdev_get_by_index+0x5e/0x80 [ 754.658077][ T10] fib6_nh_init+0x3d8/0x1580 [ 754.658077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 754.658077][ T10] ip6_route_add+0x1c/0x140 [ 754.658077][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 754.658077][ T10] addrconf_add_dev+0xe2/0x170 [ 754.658077][ T10] inet6_addr_add+0x12f/0xa40 [ 754.658077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 754.658077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.658077][ T10] netlink_rcv_skb+0x130/0x360 [ 754.658077][ T10] netlink_unicast+0x449/0x710 [ 754.658077][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.658077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.658077][ T10] ___sys_sendmsg+0xee/0x170 [ 754.658077][ T10] __sys_sendmsg+0xcd/0x170 [ 754.658077][ T10] do_syscall_64+0xc6/0x1e0 [ 754.658077][ T10] [ 754.660043][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 754.660043][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 754.660043][ T10] ipv6_find_idev+0x102/0x170 [ 754.660043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 754.660043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.660043][ T10] netlink_rcv_skb+0x130/0x360 [ 754.660043][ T10] netlink_unicast+0x449/0x710 [ 754.660043][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.660043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.660043][ T10] ___sys_sendmsg+0xee/0x170 [ 754.660043][ T10] __sys_sendmsg+0xcd/0x170 [ 754.660043][ T10] do_syscall_64+0xc6/0x1e0 [ 754.660043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 754.660043][ T10] [ 754.661586][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 754.661586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 754.661586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 754.661586][ T10] ipv6_find_idev+0x102/0x170 [ 754.661586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 754.661586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.661586][ T10] netlink_rcv_skb+0x130/0x360 [ 754.661586][ T10] netlink_unicast+0x449/0x710 [ 754.661586][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.661586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.661586][ T10] ___sys_sendmsg+0xee/0x170 [ 754.661586][ T10] __sys_sendmsg+0xcd/0x170 [ 754.661586][ T10] do_syscall_64+0xc6/0x1e0 [ 754.661586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 754.661586][ T10] [ 754.663278][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 754.663524][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 754.663524][ T10] vlan_dev_init+0x97c/0xdd0 [ 754.663524][ T10] register_netdevice+0x4d3/0x1690 [ 754.663524][ T10] register_vlan_dev+0x162/0x4a0 [ 754.663524][ T10] vlan_newlink+0x393/0x610 [ 754.663524][ T10] rtnl_newlink_create+0x341/0x850 [ 754.663524][ T10] __rtnl_newlink+0xac9/0xd80 [ 754.663524][ T10] rtnl_newlink+0x63/0xa0 [ 754.663524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 754.663524][ T10] netlink_rcv_skb+0x130/0x360 [ 754.663524][ T10] netlink_unicast+0x449/0x710 [ 754.663524][ T10] netlink_sendmsg+0x723/0xbe0 [ 754.663524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 754.663524][ T10] ___sys_sendmsg+0xee/0x170 [ 754.663524][ T10] __sys_sendmsg+0xcd/0x170 [ 754.663524][ T10] do_syscall_64+0xc6/0x1e0 [ 754.663524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 754.663524][ T10] [ 764.908089][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 764.908561][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 764.908561][ T10] netdev_get_by_index+0x5e/0x80 [ 764.908561][ T10] fib6_nh_init+0x3d8/0x1580 [ 764.908561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 764.908561][ T10] ip6_route_add+0x1c/0x140 [ 764.908561][ T10] addrconf_prefix_route+0x2a6/0x430 [ 764.908561][ T10] inet6_addr_add+0x4f8/0xa40 [ 764.908561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 764.908561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.908561][ T10] netlink_rcv_skb+0x130/0x360 [ 764.908561][ T10] netlink_unicast+0x449/0x710 [ 764.908561][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.908561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.908561][ T10] ___sys_sendmsg+0xee/0x170 [ 764.908561][ T10] __sys_sendmsg+0xcd/0x170 [ 764.908561][ T10] do_syscall_64+0xc6/0x1e0 [ 764.908561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 764.908561][ T10] [ 764.910602][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 764.910602][ T10] netdev_get_by_index+0x5e/0x80 [ 764.910602][ T10] fib6_nh_init+0x3d8/0x1580 [ 764.910602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 764.910602][ T10] addrconf_f6i_alloc+0x315/0x560 [ 764.910602][ T10] ipv6_add_addr+0x411/0x2000 [ 764.910602][ T10] inet6_addr_add+0x30e/0xa40 [ 764.910602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 764.910602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.910602][ T10] netlink_rcv_skb+0x130/0x360 [ 764.910602][ T10] netlink_unicast+0x449/0x710 [ 764.910602][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.910602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.910602][ T10] ___sys_sendmsg+0xee/0x170 [ 764.910602][ T10] __sys_sendmsg+0xcd/0x170 [ 764.910602][ T10] do_syscall_64+0xc6/0x1e0 [ 764.910602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 764.910602][ T10] [ 764.912601][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 764.912601][ T10] netdev_get_by_index+0x5e/0x80 [ 764.912601][ T10] fib6_nh_init+0x3d8/0x1580 [ 764.912601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 764.912601][ T10] ip6_route_add+0x1c/0x140 [ 764.912601][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 764.912601][ T10] addrconf_add_dev+0xe2/0x170 [ 764.912601][ T10] inet6_addr_add+0x12f/0xa40 [ 764.912601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 764.912601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.912601][ T10] netlink_rcv_skb+0x130/0x360 [ 764.912601][ T10] netlink_unicast+0x449/0x710 [ 764.912601][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.912601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.912601][ T10] ___sys_sendmsg+0xee/0x170 [ 764.912601][ T10] __sys_sendmsg+0xcd/0x170 [ 764.912601][ T10] do_syscall_64+0xc6/0x1e0 [ 764.912601][ T10] [ 764.914552][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 764.914552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 764.914552][ T10] ipv6_find_idev+0x102/0x170 [ 764.914552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 764.914552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.914552][ T10] netlink_rcv_skb+0x130/0x360 [ 764.914552][ T10] netlink_unicast+0x449/0x710 [ 764.914552][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.914552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.914552][ T10] ___sys_sendmsg+0xee/0x170 [ 764.914552][ T10] __sys_sendmsg+0xcd/0x170 [ 764.914552][ T10] do_syscall_64+0xc6/0x1e0 [ 764.914552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 764.914552][ T10] [ 764.916092][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 764.916092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 764.916092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 764.916092][ T10] ipv6_find_idev+0x102/0x170 [ 764.916092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 764.916092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.916092][ T10] netlink_rcv_skb+0x130/0x360 [ 764.916092][ T10] netlink_unicast+0x449/0x710 [ 764.916092][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.916092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.916092][ T10] ___sys_sendmsg+0xee/0x170 [ 764.916092][ T10] __sys_sendmsg+0xcd/0x170 [ 764.916092][ T10] do_syscall_64+0xc6/0x1e0 [ 764.916092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 764.916092][ T10] [ 764.917785][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 764.918080][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 764.918080][ T10] netdev_get_by_index+0x5e/0x80 [ 764.918080][ T10] fib6_nh_init+0x3d8/0x1580 [ 764.918080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 764.918080][ T10] ip6_route_add+0x1c/0x140 [ 764.918080][ T10] addrconf_prefix_route+0x2a6/0x430 [ 764.918080][ T10] inet6_addr_add+0x4f8/0xa40 [ 764.918080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 764.918080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.918080][ T10] netlink_rcv_skb+0x130/0x360 [ 764.918080][ T10] netlink_unicast+0x449/0x710 [ 764.918080][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.918080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.918080][ T10] ___sys_sendmsg+0xee/0x170 [ 764.918080][ T10] __sys_sendmsg+0xcd/0x170 [ 764.918080][ T10] do_syscall_64+0xc6/0x1e0 [ 764.918080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 764.918080][ T10] [ 764.920088][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 764.920088][ T10] netdev_get_by_index+0x5e/0x80 [ 764.920088][ T10] fib6_nh_init+0x3d8/0x1580 [ 764.920088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 764.920088][ T10] addrconf_f6i_alloc+0x315/0x560 [ 764.920088][ T10] ipv6_add_addr+0x411/0x2000 [ 764.920088][ T10] inet6_addr_add+0x30e/0xa40 [ 764.920088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 764.920088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.920088][ T10] netlink_rcv_skb+0x130/0x360 [ 764.920088][ T10] netlink_unicast+0x449/0x710 [ 764.920088][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.920088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.920088][ T10] ___sys_sendmsg+0xee/0x170 [ 764.920088][ T10] __sys_sendmsg+0xcd/0x170 [ 764.920088][ T10] do_syscall_64+0xc6/0x1e0 [ 764.920088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 764.920088][ T10] [ 764.922093][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 764.922093][ T10] netdev_get_by_index+0x5e/0x80 [ 764.922093][ T10] fib6_nh_init+0x3d8/0x1580 [ 764.922093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 764.922093][ T10] ip6_route_add+0x1c/0x140 [ 764.922093][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 764.922093][ T10] addrconf_add_dev+0xe2/0x170 [ 764.922093][ T10] inet6_addr_add+0x12f/0xa40 [ 764.922093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 764.922093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.922093][ T10] netlink_rcv_skb+0x130/0x360 [ 764.922093][ T10] netlink_unicast+0x449/0x710 [ 764.922093][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.922093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.922093][ T10] ___sys_sendmsg+0xee/0x170 [ 764.922093][ T10] __sys_sendmsg+0xcd/0x170 [ 764.922093][ T10] do_syscall_64+0xc6/0x1e0 [ 764.922093][ T10] [ 764.924045][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 764.924045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 764.924045][ T10] ipv6_find_idev+0x102/0x170 [ 764.924045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 764.924045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.924045][ T10] netlink_rcv_skb+0x130/0x360 [ 764.924045][ T10] netlink_unicast+0x449/0x710 [ 764.924045][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.924045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.924045][ T10] ___sys_sendmsg+0xee/0x170 [ 764.924045][ T10] __sys_sendmsg+0xcd/0x170 [ 764.924045][ T10] do_syscall_64+0xc6/0x1e0 [ 764.924045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 764.924045][ T10] [ 764.925587][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 764.925587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 764.925587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 764.925587][ T10] ipv6_find_idev+0x102/0x170 [ 764.925587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 764.925587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.925587][ T10] netlink_rcv_skb+0x130/0x360 [ 764.925587][ T10] netlink_unicast+0x449/0x710 [ 764.925587][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.925587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.925587][ T10] ___sys_sendmsg+0xee/0x170 [ 764.925587][ T10] __sys_sendmsg+0xcd/0x170 [ 764.925587][ T10] do_syscall_64+0xc6/0x1e0 [ 764.925587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 764.925587][ T10] [ 764.927274][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 764.927513][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 764.927513][ T10] vlan_dev_init+0x97c/0xdd0 [ 764.927513][ T10] register_netdevice+0x4d3/0x1690 [ 764.927513][ T10] register_vlan_dev+0x162/0x4a0 [ 764.927513][ T10] vlan_newlink+0x393/0x610 [ 764.927513][ T10] rtnl_newlink_create+0x341/0x850 [ 764.927513][ T10] __rtnl_newlink+0xac9/0xd80 [ 764.927513][ T10] rtnl_newlink+0x63/0xa0 [ 764.927513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 764.927513][ T10] netlink_rcv_skb+0x130/0x360 [ 764.927513][ T10] netlink_unicast+0x449/0x710 [ 764.927513][ T10] netlink_sendmsg+0x723/0xbe0 [ 764.927513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 764.927513][ T10] ___sys_sendmsg+0xee/0x170 [ 764.927513][ T10] __sys_sendmsg+0xcd/0x170 [ 764.927513][ T10] do_syscall_64+0xc6/0x1e0 [ 764.927513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 764.927513][ T10] [ 775.172100][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 775.172561][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 775.172561][ T10] netdev_get_by_index+0x5e/0x80 [ 775.172561][ T10] fib6_nh_init+0x3d8/0x1580 [ 775.172561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.172561][ T10] ip6_route_add+0x1c/0x140 [ 775.172561][ T10] addrconf_prefix_route+0x2a6/0x430 [ 775.172561][ T10] inet6_addr_add+0x4f8/0xa40 [ 775.172561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.172561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.172561][ T10] netlink_rcv_skb+0x130/0x360 [ 775.172561][ T10] netlink_unicast+0x449/0x710 [ 775.172561][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.172561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.172561][ T10] ___sys_sendmsg+0xee/0x170 [ 775.172561][ T10] __sys_sendmsg+0xcd/0x170 [ 775.172561][ T10] do_syscall_64+0xc6/0x1e0 [ 775.172561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.172561][ T10] [ 775.174600][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 775.174600][ T10] netdev_get_by_index+0x5e/0x80 [ 775.174600][ T10] fib6_nh_init+0x3d8/0x1580 [ 775.174600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.174600][ T10] addrconf_f6i_alloc+0x315/0x560 [ 775.174600][ T10] ipv6_add_addr+0x411/0x2000 [ 775.174600][ T10] inet6_addr_add+0x30e/0xa40 [ 775.174600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.174600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.174600][ T10] netlink_rcv_skb+0x130/0x360 [ 775.174600][ T10] netlink_unicast+0x449/0x710 [ 775.174600][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.174600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.174600][ T10] ___sys_sendmsg+0xee/0x170 [ 775.174600][ T10] __sys_sendmsg+0xcd/0x170 [ 775.174600][ T10] do_syscall_64+0xc6/0x1e0 [ 775.174600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.174600][ T10] [ 775.176604][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 775.176604][ T10] netdev_get_by_index+0x5e/0x80 [ 775.176604][ T10] fib6_nh_init+0x3d8/0x1580 [ 775.176604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.176604][ T10] ip6_route_add+0x1c/0x140 [ 775.176604][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 775.176604][ T10] addrconf_add_dev+0xe2/0x170 [ 775.176604][ T10] inet6_addr_add+0x12f/0xa40 [ 775.176604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.176604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.176604][ T10] netlink_rcv_skb+0x130/0x360 [ 775.176604][ T10] netlink_unicast+0x449/0x710 [ 775.176604][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.176604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.176604][ T10] ___sys_sendmsg+0xee/0x170 [ 775.176604][ T10] __sys_sendmsg+0xcd/0x170 [ 775.176604][ T10] do_syscall_64+0xc6/0x1e0 [ 775.176604][ T10] [ 775.178570][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 775.178570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 775.178570][ T10] ipv6_find_idev+0x102/0x170 [ 775.178570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.178570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.178570][ T10] netlink_rcv_skb+0x130/0x360 [ 775.178570][ T10] netlink_unicast+0x449/0x710 [ 775.178570][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.178570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.178570][ T10] ___sys_sendmsg+0xee/0x170 [ 775.178570][ T10] __sys_sendmsg+0xcd/0x170 [ 775.178570][ T10] do_syscall_64+0xc6/0x1e0 [ 775.178570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.178570][ T10] [ 775.180118][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 775.180118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 775.180118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 775.180118][ T10] ipv6_find_idev+0x102/0x170 [ 775.180118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.180118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.180118][ T10] netlink_rcv_skb+0x130/0x360 [ 775.180118][ T10] netlink_unicast+0x449/0x710 [ 775.180118][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.180118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.180118][ T10] ___sys_sendmsg+0xee/0x170 [ 775.180118][ T10] __sys_sendmsg+0xcd/0x170 [ 775.180118][ T10] do_syscall_64+0xc6/0x1e0 [ 775.180118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.180118][ T10] [ 775.181822][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 775.182113][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 775.182113][ T10] netdev_get_by_index+0x5e/0x80 [ 775.182113][ T10] fib6_nh_init+0x3d8/0x1580 [ 775.182113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.182113][ T10] ip6_route_add+0x1c/0x140 [ 775.182113][ T10] addrconf_prefix_route+0x2a6/0x430 [ 775.182113][ T10] inet6_addr_add+0x4f8/0xa40 [ 775.182113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.182113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.182113][ T10] netlink_rcv_skb+0x130/0x360 [ 775.182113][ T10] netlink_unicast+0x449/0x710 [ 775.182113][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.182113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.182113][ T10] ___sys_sendmsg+0xee/0x170 [ 775.182113][ T10] __sys_sendmsg+0xcd/0x170 [ 775.182113][ T10] do_syscall_64+0xc6/0x1e0 [ 775.182113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.182113][ T10] [ 775.184118][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 775.184118][ T10] netdev_get_by_index+0x5e/0x80 [ 775.184118][ T10] fib6_nh_init+0x3d8/0x1580 [ 775.184118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.184118][ T10] addrconf_f6i_alloc+0x315/0x560 [ 775.184118][ T10] ipv6_add_addr+0x411/0x2000 [ 775.184118][ T10] inet6_addr_add+0x30e/0xa40 [ 775.184118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.184118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.184118][ T10] netlink_rcv_skb+0x130/0x360 [ 775.184118][ T10] netlink_unicast+0x449/0x710 [ 775.184118][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.184118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.184118][ T10] ___sys_sendmsg+0xee/0x170 [ 775.184118][ T10] __sys_sendmsg+0xcd/0x170 [ 775.184118][ T10] do_syscall_64+0xc6/0x1e0 [ 775.184118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.184118][ T10] [ 775.186129][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 775.186129][ T10] netdev_get_by_index+0x5e/0x80 [ 775.186129][ T10] fib6_nh_init+0x3d8/0x1580 [ 775.186129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 775.186129][ T10] ip6_route_add+0x1c/0x140 [ 775.186129][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 775.186129][ T10] addrconf_add_dev+0xe2/0x170 [ 775.186129][ T10] inet6_addr_add+0x12f/0xa40 [ 775.186129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 775.186129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.186129][ T10] netlink_rcv_skb+0x130/0x360 [ 775.186129][ T10] netlink_unicast+0x449/0x710 [ 775.186129][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.186129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.186129][ T10] ___sys_sendmsg+0xee/0x170 [ 775.186129][ T10] __sys_sendmsg+0xcd/0x170 [ 775.186129][ T10] do_syscall_64+0xc6/0x1e0 [ 775.186129][ T10] [ 775.188107][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 775.188107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 775.188107][ T10] ipv6_find_idev+0x102/0x170 [ 775.188107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.188107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.188107][ T10] netlink_rcv_skb+0x130/0x360 [ 775.188107][ T10] netlink_unicast+0x449/0x710 [ 775.188107][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.188107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.188107][ T10] ___sys_sendmsg+0xee/0x170 [ 775.188107][ T10] __sys_sendmsg+0xcd/0x170 [ 775.188107][ T10] do_syscall_64+0xc6/0x1e0 [ 775.188107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.188107][ T10] [ 775.189665][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 775.189665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 775.189665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 775.189665][ T10] ipv6_find_idev+0x102/0x170 [ 775.189665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 775.189665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.189665][ T10] netlink_rcv_skb+0x130/0x360 [ 775.189665][ T10] netlink_unicast+0x449/0x710 [ 775.189665][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.189665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.189665][ T10] ___sys_sendmsg+0xee/0x170 [ 775.189665][ T10] __sys_sendmsg+0xcd/0x170 [ 775.189665][ T10] do_syscall_64+0xc6/0x1e0 [ 775.189665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.189665][ T10] [ 775.191359][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 775.191600][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 775.191600][ T10] vlan_dev_init+0x97c/0xdd0 [ 775.191600][ T10] register_netdevice+0x4d3/0x1690 [ 775.191600][ T10] register_vlan_dev+0x162/0x4a0 [ 775.191600][ T10] vlan_newlink+0x393/0x610 [ 775.191600][ T10] rtnl_newlink_create+0x341/0x850 [ 775.191600][ T10] __rtnl_newlink+0xac9/0xd80 [ 775.191600][ T10] rtnl_newlink+0x63/0xa0 [ 775.191600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 775.191600][ T10] netlink_rcv_skb+0x130/0x360 [ 775.191600][ T10] netlink_unicast+0x449/0x710 [ 775.191600][ T10] netlink_sendmsg+0x723/0xbe0 [ 775.191600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 775.191600][ T10] ___sys_sendmsg+0xee/0x170 [ 775.191600][ T10] __sys_sendmsg+0xcd/0x170 [ 775.191600][ T10] do_syscall_64+0xc6/0x1e0 [ 775.191600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 775.191600][ T10] [ 785.332009][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 785.332411][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 785.332411][ T10] netdev_get_by_index+0x5e/0x80 [ 785.332411][ T10] fib6_nh_init+0x3d8/0x1580 [ 785.332411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 785.332411][ T10] ip6_route_add+0x1c/0x140 [ 785.332411][ T10] addrconf_prefix_route+0x2a6/0x430 [ 785.332411][ T10] inet6_addr_add+0x4f8/0xa40 [ 785.332411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 785.332411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.332411][ T10] netlink_rcv_skb+0x130/0x360 [ 785.332411][ T10] netlink_unicast+0x449/0x710 [ 785.332411][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.332411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.332411][ T10] ___sys_sendmsg+0xee/0x170 [ 785.332411][ T10] __sys_sendmsg+0xcd/0x170 [ 785.332411][ T10] do_syscall_64+0xc6/0x1e0 [ 785.332411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 785.332411][ T10] [ 785.334527][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 785.334527][ T10] netdev_get_by_index+0x5e/0x80 [ 785.334527][ T10] fib6_nh_init+0x3d8/0x1580 [ 785.334527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 785.334527][ T10] addrconf_f6i_alloc+0x315/0x560 [ 785.334527][ T10] ipv6_add_addr+0x411/0x2000 [ 785.334527][ T10] inet6_addr_add+0x30e/0xa40 [ 785.334527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 785.334527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.334527][ T10] netlink_rcv_skb+0x130/0x360 [ 785.334527][ T10] netlink_unicast+0x449/0x710 [ 785.334527][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.334527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.334527][ T10] ___sys_sendmsg+0xee/0x170 [ 785.334527][ T10] __sys_sendmsg+0xcd/0x170 [ 785.334527][ T10] do_syscall_64+0xc6/0x1e0 [ 785.334527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 785.334527][ T10] [ 785.336523][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 785.336523][ T10] netdev_get_by_index+0x5e/0x80 [ 785.336523][ T10] fib6_nh_init+0x3d8/0x1580 [ 785.336523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 785.336523][ T10] ip6_route_add+0x1c/0x140 [ 785.336523][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 785.336523][ T10] addrconf_add_dev+0xe2/0x170 [ 785.336523][ T10] inet6_addr_add+0x12f/0xa40 [ 785.336523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 785.336523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.336523][ T10] netlink_rcv_skb+0x130/0x360 [ 785.336523][ T10] netlink_unicast+0x449/0x710 [ 785.336523][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.336523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.336523][ T10] ___sys_sendmsg+0xee/0x170 [ 785.336523][ T10] __sys_sendmsg+0xcd/0x170 [ 785.336523][ T10] do_syscall_64+0xc6/0x1e0 [ 785.336523][ T10] [ 785.338481][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 785.338481][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 785.338481][ T10] ipv6_find_idev+0x102/0x170 [ 785.338481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 785.338481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.338481][ T10] netlink_rcv_skb+0x130/0x360 [ 785.338481][ T10] netlink_unicast+0x449/0x710 [ 785.338481][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.338481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.338481][ T10] ___sys_sendmsg+0xee/0x170 [ 785.338481][ T10] __sys_sendmsg+0xcd/0x170 [ 785.338481][ T10] do_syscall_64+0xc6/0x1e0 [ 785.338481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 785.338481][ T10] [ 785.340024][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 785.340024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 785.340024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 785.340024][ T10] ipv6_find_idev+0x102/0x170 [ 785.340024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 785.340024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.340024][ T10] netlink_rcv_skb+0x130/0x360 [ 785.340024][ T10] netlink_unicast+0x449/0x710 [ 785.340024][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.340024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.340024][ T10] ___sys_sendmsg+0xee/0x170 [ 785.340024][ T10] __sys_sendmsg+0xcd/0x170 [ 785.340024][ T10] do_syscall_64+0xc6/0x1e0 [ 785.340024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 785.340024][ T10] [ 785.341729][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 785.342022][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 785.342022][ T10] netdev_get_by_index+0x5e/0x80 [ 785.342022][ T10] fib6_nh_init+0x3d8/0x1580 [ 785.342022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 785.342022][ T10] ip6_route_add+0x1c/0x140 [ 785.342022][ T10] addrconf_prefix_route+0x2a6/0x430 [ 785.342022][ T10] inet6_addr_add+0x4f8/0xa40 [ 785.342022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 785.342022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.342022][ T10] netlink_rcv_skb+0x130/0x360 [ 785.342022][ T10] netlink_unicast+0x449/0x710 [ 785.342022][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.342022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.342022][ T10] ___sys_sendmsg+0xee/0x170 [ 785.342022][ T10] __sys_sendmsg+0xcd/0x170 [ 785.342022][ T10] do_syscall_64+0xc6/0x1e0 [ 785.342022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 785.342022][ T10] [ 785.344022][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 785.344022][ T10] netdev_get_by_index+0x5e/0x80 [ 785.344022][ T10] fib6_nh_init+0x3d8/0x1580 [ 785.344022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 785.344022][ T10] addrconf_f6i_alloc+0x315/0x560 [ 785.344022][ T10] ipv6_add_addr+0x411/0x2000 [ 785.344022][ T10] inet6_addr_add+0x30e/0xa40 [ 785.344022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 785.344022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.344022][ T10] netlink_rcv_skb+0x130/0x360 [ 785.344022][ T10] netlink_unicast+0x449/0x710 [ 785.344022][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.344022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.344022][ T10] ___sys_sendmsg+0xee/0x170 [ 785.344022][ T10] __sys_sendmsg+0xcd/0x170 [ 785.344022][ T10] do_syscall_64+0xc6/0x1e0 [ 785.344022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 785.344022][ T10] [ 785.346010][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 785.346010][ T10] netdev_get_by_index+0x5e/0x80 [ 785.346010][ T10] fib6_nh_init+0x3d8/0x1580 [ 785.346010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 785.346010][ T10] ip6_route_add+0x1c/0x140 [ 785.346010][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 785.346010][ T10] addrconf_add_dev+0xe2/0x170 [ 785.346010][ T10] inet6_addr_add+0x12f/0xa40 [ 785.346010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 785.346010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.346010][ T10] netlink_rcv_skb+0x130/0x360 [ 785.346010][ T10] netlink_unicast+0x449/0x710 [ 785.346010][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.346010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.346010][ T10] ___sys_sendmsg+0xee/0x170 [ 785.346010][ T10] __sys_sendmsg+0xcd/0x170 [ 785.346010][ T10] do_syscall_64+0xc6/0x1e0 [ 785.346010][ T10] [ 785.347966][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 785.347966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 785.347966][ T10] ipv6_find_idev+0x102/0x170 [ 785.347966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 785.347966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.347966][ T10] netlink_rcv_skb+0x130/0x360 [ 785.347966][ T10] netlink_unicast+0x449/0x710 [ 785.347966][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.347966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.347966][ T10] ___sys_sendmsg+0xee/0x170 [ 785.347966][ T10] __sys_sendmsg+0xcd/0x170 [ 785.347966][ T10] do_syscall_64+0xc6/0x1e0 [ 785.347966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 785.347966][ T10] [ 785.349507][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 785.349507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 785.349507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 785.349507][ T10] ipv6_find_idev+0x102/0x170 [ 785.349507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 785.349507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.349507][ T10] netlink_rcv_skb+0x130/0x360 [ 785.349507][ T10] netlink_unicast+0x449/0x710 [ 785.349507][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.349507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.349507][ T10] ___sys_sendmsg+0xee/0x170 [ 785.349507][ T10] __sys_sendmsg+0xcd/0x170 [ 785.349507][ T10] do_syscall_64+0xc6/0x1e0 [ 785.349507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 785.349507][ T10] [ 785.351179][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 785.351418][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 785.351418][ T10] vlan_dev_init+0x97c/0xdd0 [ 785.351418][ T10] register_netdevice+0x4d3/0x1690 [ 785.351418][ T10] register_vlan_dev+0x162/0x4a0 [ 785.351418][ T10] vlan_newlink+0x393/0x610 [ 785.351418][ T10] rtnl_newlink_create+0x341/0x850 [ 785.351418][ T10] __rtnl_newlink+0xac9/0xd80 [ 785.351418][ T10] rtnl_newlink+0x63/0xa0 [ 785.351418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 785.351418][ T10] netlink_rcv_skb+0x130/0x360 [ 785.351418][ T10] netlink_unicast+0x449/0x710 [ 785.351418][ T10] netlink_sendmsg+0x723/0xbe0 [ 785.351418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 785.351418][ T10] ___sys_sendmsg+0xee/0x170 [ 785.351418][ T10] __sys_sendmsg+0xcd/0x170 [ 785.351418][ T10] do_syscall_64+0xc6/0x1e0 [ 785.351418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 785.351418][ T10] [ 795.412018][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 795.412474][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 795.412474][ T10] netdev_get_by_index+0x5e/0x80 [ 795.412474][ T10] fib6_nh_init+0x3d8/0x1580 [ 795.412474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 795.412474][ T10] ip6_route_add+0x1c/0x140 [ 795.412474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 795.412474][ T10] inet6_addr_add+0x4f8/0xa40 [ 795.412474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 795.412474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.412474][ T10] netlink_rcv_skb+0x130/0x360 [ 795.412474][ T10] netlink_unicast+0x449/0x710 [ 795.412474][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.412474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.412474][ T10] ___sys_sendmsg+0xee/0x170 [ 795.412474][ T10] __sys_sendmsg+0xcd/0x170 [ 795.412474][ T10] do_syscall_64+0xc6/0x1e0 [ 795.412474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 795.412474][ T10] [ 795.414496][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 795.414496][ T10] netdev_get_by_index+0x5e/0x80 [ 795.414496][ T10] fib6_nh_init+0x3d8/0x1580 [ 795.414496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 795.414496][ T10] addrconf_f6i_alloc+0x315/0x560 [ 795.414496][ T10] ipv6_add_addr+0x411/0x2000 [ 795.414496][ T10] inet6_addr_add+0x30e/0xa40 [ 795.414496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 795.414496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.414496][ T10] netlink_rcv_skb+0x130/0x360 [ 795.414496][ T10] netlink_unicast+0x449/0x710 [ 795.414496][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.414496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.414496][ T10] ___sys_sendmsg+0xee/0x170 [ 795.414496][ T10] __sys_sendmsg+0xcd/0x170 [ 795.414496][ T10] do_syscall_64+0xc6/0x1e0 [ 795.414496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 795.414496][ T10] [ 795.416487][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 795.416487][ T10] netdev_get_by_index+0x5e/0x80 [ 795.416487][ T10] fib6_nh_init+0x3d8/0x1580 [ 795.416487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 795.416487][ T10] ip6_route_add+0x1c/0x140 [ 795.416487][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 795.416487][ T10] addrconf_add_dev+0xe2/0x170 [ 795.416487][ T10] inet6_addr_add+0x12f/0xa40 [ 795.416487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 795.416487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.416487][ T10] netlink_rcv_skb+0x130/0x360 [ 795.416487][ T10] netlink_unicast+0x449/0x710 [ 795.416487][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.416487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.416487][ T10] ___sys_sendmsg+0xee/0x170 [ 795.416487][ T10] __sys_sendmsg+0xcd/0x170 [ 795.416487][ T10] do_syscall_64+0xc6/0x1e0 [ 795.416487][ T10] [ 795.418446][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 795.418446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 795.418446][ T10] ipv6_find_idev+0x102/0x170 [ 795.418446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 795.418446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.418446][ T10] netlink_rcv_skb+0x130/0x360 [ 795.418446][ T10] netlink_unicast+0x449/0x710 [ 795.418446][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.418446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.418446][ T10] ___sys_sendmsg+0xee/0x170 [ 795.418446][ T10] __sys_sendmsg+0xcd/0x170 [ 795.418446][ T10] do_syscall_64+0xc6/0x1e0 [ 795.418446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 795.418446][ T10] [ 795.419995][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 795.419995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 795.419995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 795.419995][ T10] ipv6_find_idev+0x102/0x170 [ 795.419995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 795.419995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.419995][ T10] netlink_rcv_skb+0x130/0x360 [ 795.419995][ T10] netlink_unicast+0x449/0x710 [ 795.419995][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.419995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.419995][ T10] ___sys_sendmsg+0xee/0x170 [ 795.419995][ T10] __sys_sendmsg+0xcd/0x170 [ 795.419995][ T10] do_syscall_64+0xc6/0x1e0 [ 795.419995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 795.419995][ T10] [ 795.421719][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 795.422019][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 795.422019][ T10] netdev_get_by_index+0x5e/0x80 [ 795.422019][ T10] fib6_nh_init+0x3d8/0x1580 [ 795.422019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 795.422019][ T10] ip6_route_add+0x1c/0x140 [ 795.422019][ T10] addrconf_prefix_route+0x2a6/0x430 [ 795.422019][ T10] inet6_addr_add+0x4f8/0xa40 [ 795.422019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 795.422019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.422019][ T10] netlink_rcv_skb+0x130/0x360 [ 795.422019][ T10] netlink_unicast+0x449/0x710 [ 795.422019][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.422019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.422019][ T10] ___sys_sendmsg+0xee/0x170 [ 795.422019][ T10] __sys_sendmsg+0xcd/0x170 [ 795.422019][ T10] do_syscall_64+0xc6/0x1e0 [ 795.422019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 795.422019][ T10] [ 795.424028][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 795.424028][ T10] netdev_get_by_index+0x5e/0x80 [ 795.424028][ T10] fib6_nh_init+0x3d8/0x1580 [ 795.424028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 795.424028][ T10] addrconf_f6i_alloc+0x315/0x560 [ 795.424028][ T10] ipv6_add_addr+0x411/0x2000 [ 795.424028][ T10] inet6_addr_add+0x30e/0xa40 [ 795.424028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 795.424028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.424028][ T10] netlink_rcv_skb+0x130/0x360 [ 795.424028][ T10] netlink_unicast+0x449/0x710 [ 795.424028][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.424028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.424028][ T10] ___sys_sendmsg+0xee/0x170 [ 795.424028][ T10] __sys_sendmsg+0xcd/0x170 [ 795.424028][ T10] do_syscall_64+0xc6/0x1e0 [ 795.424028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 795.424028][ T10] [ 795.426021][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 795.426021][ T10] netdev_get_by_index+0x5e/0x80 [ 795.426021][ T10] fib6_nh_init+0x3d8/0x1580 [ 795.426021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 795.426021][ T10] ip6_route_add+0x1c/0x140 [ 795.426021][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 795.426021][ T10] addrconf_add_dev+0xe2/0x170 [ 795.426021][ T10] inet6_addr_add+0x12f/0xa40 [ 795.426021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 795.426021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.426021][ T10] netlink_rcv_skb+0x130/0x360 [ 795.426021][ T10] netlink_unicast+0x449/0x710 [ 795.426021][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.426021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.426021][ T10] ___sys_sendmsg+0xee/0x170 [ 795.426021][ T10] __sys_sendmsg+0xcd/0x170 [ 795.426021][ T10] do_syscall_64+0xc6/0x1e0 [ 795.426021][ T10] [ 795.427975][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 795.427975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 795.427975][ T10] ipv6_find_idev+0x102/0x170 [ 795.427975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 795.427975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.427975][ T10] netlink_rcv_skb+0x130/0x360 [ 795.427975][ T10] netlink_unicast+0x449/0x710 [ 795.427975][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.427975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.427975][ T10] ___sys_sendmsg+0xee/0x170 [ 795.427975][ T10] __sys_sendmsg+0xcd/0x170 [ 795.427975][ T10] do_syscall_64+0xc6/0x1e0 [ 795.427975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 795.427975][ T10] [ 795.429512][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 795.429512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 795.429512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 795.429512][ T10] ipv6_find_idev+0x102/0x170 [ 795.429512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 795.429512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.429512][ T10] netlink_rcv_skb+0x130/0x360 [ 795.429512][ T10] netlink_unicast+0x449/0x710 [ 795.429512][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.429512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.429512][ T10] ___sys_sendmsg+0xee/0x170 [ 795.429512][ T10] __sys_sendmsg+0xcd/0x170 [ 795.429512][ T10] do_syscall_64+0xc6/0x1e0 [ 795.429512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 795.429512][ T10] [ 795.431192][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 795.431434][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 795.431434][ T10] vlan_dev_init+0x97c/0xdd0 [ 795.431434][ T10] register_netdevice+0x4d3/0x1690 [ 795.431434][ T10] register_vlan_dev+0x162/0x4a0 [ 795.431434][ T10] vlan_newlink+0x393/0x610 [ 795.431434][ T10] rtnl_newlink_create+0x341/0x850 [ 795.431434][ T10] __rtnl_newlink+0xac9/0xd80 [ 795.431434][ T10] rtnl_newlink+0x63/0xa0 [ 795.431434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 795.431434][ T10] netlink_rcv_skb+0x130/0x360 [ 795.431434][ T10] netlink_unicast+0x449/0x710 [ 795.431434][ T10] netlink_sendmsg+0x723/0xbe0 [ 795.431434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 795.431434][ T10] ___sys_sendmsg+0xee/0x170 [ 795.431434][ T10] __sys_sendmsg+0xcd/0x170 [ 795.431434][ T10] do_syscall_64+0xc6/0x1e0 [ 795.431434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 795.431434][ T10] [ 805.436053][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 805.436586][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 805.436586][ T10] netdev_get_by_index+0x5e/0x80 [ 805.436586][ T10] fib6_nh_init+0x3d8/0x1580 [ 805.436586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 805.436586][ T10] ip6_route_add+0x1c/0x140 [ 805.436586][ T10] addrconf_prefix_route+0x2a6/0x430 [ 805.436586][ T10] inet6_addr_add+0x4f8/0xa40 [ 805.436586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 805.436586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.436586][ T10] netlink_rcv_skb+0x130/0x360 [ 805.436586][ T10] netlink_unicast+0x449/0x710 [ 805.436586][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.436586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.436586][ T10] ___sys_sendmsg+0xee/0x170 [ 805.436586][ T10] __sys_sendmsg+0xcd/0x170 [ 805.436586][ T10] do_syscall_64+0xc6/0x1e0 [ 805.436586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 805.436586][ T10] [ 805.438899][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 805.438899][ T10] netdev_get_by_index+0x5e/0x80 [ 805.438899][ T10] fib6_nh_init+0x3d8/0x1580 [ 805.438899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 805.438899][ T10] addrconf_f6i_alloc+0x315/0x560 [ 805.438899][ T10] ipv6_add_addr+0x411/0x2000 [ 805.438899][ T10] inet6_addr_add+0x30e/0xa40 [ 805.438899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 805.438899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.438899][ T10] netlink_rcv_skb+0x130/0x360 [ 805.438899][ T10] netlink_unicast+0x449/0x710 [ 805.438899][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.438899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.438899][ T10] ___sys_sendmsg+0xee/0x170 [ 805.438899][ T10] __sys_sendmsg+0xcd/0x170 [ 805.438899][ T10] do_syscall_64+0xc6/0x1e0 [ 805.438899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 805.438899][ T10] [ 805.441183][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 805.441183][ T10] netdev_get_by_index+0x5e/0x80 [ 805.441183][ T10] fib6_nh_init+0x3d8/0x1580 [ 805.441183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 805.441183][ T10] ip6_route_add+0x1c/0x140 [ 805.441183][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 805.441183][ T10] addrconf_add_dev+0xe2/0x170 [ 805.441183][ T10] inet6_addr_add+0x12f/0xa40 [ 805.441183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 805.441183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.441183][ T10] netlink_rcv_skb+0x130/0x360 [ 805.441183][ T10] netlink_unicast+0x449/0x710 [ 805.441183][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.441183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.441183][ T10] ___sys_sendmsg+0xee/0x170 [ 805.441183][ T10] __sys_sendmsg+0xcd/0x170 [ 805.441183][ T10] do_syscall_64+0xc6/0x1e0 [ 805.441183][ T10] [ 805.443409][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 805.443409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 805.443409][ T10] ipv6_find_idev+0x102/0x170 [ 805.443409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 805.443409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.443409][ T10] netlink_rcv_skb+0x130/0x360 [ 805.443409][ T10] netlink_unicast+0x449/0x710 [ 805.443409][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.443409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.443409][ T10] ___sys_sendmsg+0xee/0x170 [ 805.443409][ T10] __sys_sendmsg+0xcd/0x170 [ 805.443409][ T10] do_syscall_64+0xc6/0x1e0 [ 805.443409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 805.443409][ T10] [ 805.445168][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 805.445168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 805.445168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 805.445168][ T10] ipv6_find_idev+0x102/0x170 [ 805.445168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 805.445168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.445168][ T10] netlink_rcv_skb+0x130/0x360 [ 805.445168][ T10] netlink_unicast+0x449/0x710 [ 805.445168][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.445168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.445168][ T10] ___sys_sendmsg+0xee/0x170 [ 805.445168][ T10] __sys_sendmsg+0xcd/0x170 [ 805.445168][ T10] do_syscall_64+0xc6/0x1e0 [ 805.445168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 805.445168][ T10] [ 805.447091][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 805.447420][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 805.447420][ T10] netdev_get_by_index+0x5e/0x80 [ 805.447420][ T10] fib6_nh_init+0x3d8/0x1580 [ 805.447420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 805.447420][ T10] ip6_route_add+0x1c/0x140 [ 805.447420][ T10] addrconf_prefix_route+0x2a6/0x430 [ 805.447420][ T10] inet6_addr_add+0x4f8/0xa40 [ 805.447420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 805.447420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.447420][ T10] netlink_rcv_skb+0x130/0x360 [ 805.447420][ T10] netlink_unicast+0x449/0x710 [ 805.447420][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.447420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.447420][ T10] ___sys_sendmsg+0xee/0x170 [ 805.447420][ T10] __sys_sendmsg+0xcd/0x170 [ 805.447420][ T10] do_syscall_64+0xc6/0x1e0 [ 805.447420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 805.447420][ T10] [ 805.449694][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 805.449694][ T10] netdev_get_by_index+0x5e/0x80 [ 805.449694][ T10] fib6_nh_init+0x3d8/0x1580 [ 805.449694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 805.449694][ T10] addrconf_f6i_alloc+0x315/0x560 [ 805.449694][ T10] ipv6_add_addr+0x411/0x2000 [ 805.449694][ T10] inet6_addr_add+0x30e/0xa40 [ 805.449694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 805.449694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.449694][ T10] netlink_rcv_skb+0x130/0x360 [ 805.449694][ T10] netlink_unicast+0x449/0x710 [ 805.449694][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.449694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.449694][ T10] ___sys_sendmsg+0xee/0x170 [ 805.449694][ T10] __sys_sendmsg+0xcd/0x170 [ 805.449694][ T10] do_syscall_64+0xc6/0x1e0 [ 805.449694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 805.449694][ T10] [ 805.451955][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 805.451955][ T10] netdev_get_by_index+0x5e/0x80 [ 805.451955][ T10] fib6_nh_init+0x3d8/0x1580 [ 805.451955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 805.451955][ T10] ip6_route_add+0x1c/0x140 [ 805.451955][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 805.451955][ T10] addrconf_add_dev+0xe2/0x170 [ 805.451955][ T10] inet6_addr_add+0x12f/0xa40 [ 805.451955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 805.451955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.451955][ T10] netlink_rcv_skb+0x130/0x360 [ 805.451955][ T10] netlink_unicast+0x449/0x710 [ 805.451955][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.451955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.451955][ T10] ___sys_sendmsg+0xee/0x170 [ 805.451955][ T10] __sys_sendmsg+0xcd/0x170 [ 805.451955][ T10] do_syscall_64+0xc6/0x1e0 [ 805.451955][ T10] [ 805.454175][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 805.454175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 805.454175][ T10] ipv6_find_idev+0x102/0x170 [ 805.454175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 805.454175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.454175][ T10] netlink_rcv_skb+0x130/0x360 [ 805.454175][ T10] netlink_unicast+0x449/0x710 [ 805.454175][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.454175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.454175][ T10] ___sys_sendmsg+0xee/0x170 [ 805.454175][ T10] __sys_sendmsg+0xcd/0x170 [ 805.454175][ T10] do_syscall_64+0xc6/0x1e0 [ 805.454175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 805.454175][ T10] [ 805.455911][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 805.455911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 805.455911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 805.455911][ T10] ipv6_find_idev+0x102/0x170 [ 805.455911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 805.455911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.455911][ T10] netlink_rcv_skb+0x130/0x360 [ 805.455911][ T10] netlink_unicast+0x449/0x710 [ 805.455911][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.455911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.455911][ T10] ___sys_sendmsg+0xee/0x170 [ 805.455911][ T10] __sys_sendmsg+0xcd/0x170 [ 805.455911][ T10] do_syscall_64+0xc6/0x1e0 [ 805.455911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 805.455911][ T10] [ 805.457839][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 805.458129][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 805.458129][ T10] vlan_dev_init+0x97c/0xdd0 [ 805.458129][ T10] register_netdevice+0x4d3/0x1690 [ 805.458129][ T10] register_vlan_dev+0x162/0x4a0 [ 805.458129][ T10] vlan_newlink+0x393/0x610 [ 805.458129][ T10] rtnl_newlink_create+0x341/0x850 [ 805.458129][ T10] __rtnl_newlink+0xac9/0xd80 [ 805.458129][ T10] rtnl_newlink+0x63/0xa0 [ 805.458129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 805.458129][ T10] netlink_rcv_skb+0x130/0x360 [ 805.458129][ T10] netlink_unicast+0x449/0x710 [ 805.458129][ T10] netlink_sendmsg+0x723/0xbe0 [ 805.458129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 805.458129][ T10] ___sys_sendmsg+0xee/0x170 [ 805.458129][ T10] __sys_sendmsg+0xcd/0x170 [ 805.458129][ T10] do_syscall_64+0xc6/0x1e0 [ 805.458129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 805.458129][ T10] [ 815.700051][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 815.700588][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 815.700588][ T10] netdev_get_by_index+0x5e/0x80 [ 815.700588][ T10] fib6_nh_init+0x3d8/0x1580 [ 815.700588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 815.700588][ T10] ip6_route_add+0x1c/0x140 [ 815.700588][ T10] addrconf_prefix_route+0x2a6/0x430 [ 815.700588][ T10] inet6_addr_add+0x4f8/0xa40 [ 815.700588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 815.700588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.700588][ T10] netlink_rcv_skb+0x130/0x360 [ 815.700588][ T10] netlink_unicast+0x449/0x710 [ 815.700588][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.700588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.700588][ T10] ___sys_sendmsg+0xee/0x170 [ 815.700588][ T10] __sys_sendmsg+0xcd/0x170 [ 815.700588][ T10] do_syscall_64+0xc6/0x1e0 [ 815.700588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 815.700588][ T10] [ 815.702873][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 815.702873][ T10] netdev_get_by_index+0x5e/0x80 [ 815.702873][ T10] fib6_nh_init+0x3d8/0x1580 [ 815.702873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 815.702873][ T10] addrconf_f6i_alloc+0x315/0x560 [ 815.702873][ T10] ipv6_add_addr+0x411/0x2000 [ 815.702873][ T10] inet6_addr_add+0x30e/0xa40 [ 815.702873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 815.702873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.702873][ T10] netlink_rcv_skb+0x130/0x360 [ 815.702873][ T10] netlink_unicast+0x449/0x710 [ 815.702873][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.702873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.702873][ T10] ___sys_sendmsg+0xee/0x170 [ 815.702873][ T10] __sys_sendmsg+0xcd/0x170 [ 815.702873][ T10] do_syscall_64+0xc6/0x1e0 [ 815.702873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 815.702873][ T10] [ 815.705145][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 815.705145][ T10] netdev_get_by_index+0x5e/0x80 [ 815.705145][ T10] fib6_nh_init+0x3d8/0x1580 [ 815.705145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 815.705145][ T10] ip6_route_add+0x1c/0x140 [ 815.705145][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 815.705145][ T10] addrconf_add_dev+0xe2/0x170 [ 815.705145][ T10] inet6_addr_add+0x12f/0xa40 [ 815.705145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 815.705145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.705145][ T10] netlink_rcv_skb+0x130/0x360 [ 815.705145][ T10] netlink_unicast+0x449/0x710 [ 815.705145][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.705145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.705145][ T10] ___sys_sendmsg+0xee/0x170 [ 815.705145][ T10] __sys_sendmsg+0xcd/0x170 [ 815.705145][ T10] do_syscall_64+0xc6/0x1e0 [ 815.705145][ T10] [ 815.707370][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 815.707370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 815.707370][ T10] ipv6_find_idev+0x102/0x170 [ 815.707370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 815.707370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.707370][ T10] netlink_rcv_skb+0x130/0x360 [ 815.707370][ T10] netlink_unicast+0x449/0x710 [ 815.707370][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.707370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.707370][ T10] ___sys_sendmsg+0xee/0x170 [ 815.707370][ T10] __sys_sendmsg+0xcd/0x170 [ 815.707370][ T10] do_syscall_64+0xc6/0x1e0 [ 815.707370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 815.707370][ T10] [ 815.709159][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 815.709159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 815.709159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 815.709159][ T10] ipv6_find_idev+0x102/0x170 [ 815.709159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 815.709159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.709159][ T10] netlink_rcv_skb+0x130/0x360 [ 815.709159][ T10] netlink_unicast+0x449/0x710 [ 815.709159][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.709159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.709159][ T10] ___sys_sendmsg+0xee/0x170 [ 815.709159][ T10] __sys_sendmsg+0xcd/0x170 [ 815.709159][ T10] do_syscall_64+0xc6/0x1e0 [ 815.709159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 815.709159][ T10] [ 815.711077][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 815.711378][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 815.711378][ T10] netdev_get_by_index+0x5e/0x80 [ 815.711378][ T10] fib6_nh_init+0x3d8/0x1580 [ 815.711378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 815.711378][ T10] ip6_route_add+0x1c/0x140 [ 815.711378][ T10] addrconf_prefix_route+0x2a6/0x430 [ 815.711378][ T10] inet6_addr_add+0x4f8/0xa40 [ 815.711378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 815.711378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.711378][ T10] netlink_rcv_skb+0x130/0x360 [ 815.711378][ T10] netlink_unicast+0x449/0x710 [ 815.711378][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.711378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.711378][ T10] ___sys_sendmsg+0xee/0x170 [ 815.711378][ T10] __sys_sendmsg+0xcd/0x170 [ 815.711378][ T10] do_syscall_64+0xc6/0x1e0 [ 815.711378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 815.711378][ T10] [ 815.713652][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 815.713652][ T10] netdev_get_by_index+0x5e/0x80 [ 815.713652][ T10] fib6_nh_init+0x3d8/0x1580 [ 815.713652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 815.713652][ T10] addrconf_f6i_alloc+0x315/0x560 [ 815.713652][ T10] ipv6_add_addr+0x411/0x2000 [ 815.713652][ T10] inet6_addr_add+0x30e/0xa40 [ 815.713652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 815.713652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.713652][ T10] netlink_rcv_skb+0x130/0x360 [ 815.713652][ T10] netlink_unicast+0x449/0x710 [ 815.713652][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.713652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.713652][ T10] ___sys_sendmsg+0xee/0x170 [ 815.713652][ T10] __sys_sendmsg+0xcd/0x170 [ 815.713652][ T10] do_syscall_64+0xc6/0x1e0 [ 815.713652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 815.713652][ T10] [ 815.715912][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 815.715912][ T10] netdev_get_by_index+0x5e/0x80 [ 815.715912][ T10] fib6_nh_init+0x3d8/0x1580 [ 815.715912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 815.715912][ T10] ip6_route_add+0x1c/0x140 [ 815.715912][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 815.715912][ T10] addrconf_add_dev+0xe2/0x170 [ 815.715912][ T10] inet6_addr_add+0x12f/0xa40 [ 815.715912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 815.715912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.715912][ T10] netlink_rcv_skb+0x130/0x360 [ 815.715912][ T10] netlink_unicast+0x449/0x710 [ 815.715912][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.715912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.715912][ T10] ___sys_sendmsg+0xee/0x170 [ 815.715912][ T10] __sys_sendmsg+0xcd/0x170 [ 815.715912][ T10] do_syscall_64+0xc6/0x1e0 [ 815.715912][ T10] [ 815.718145][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 815.718145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 815.718145][ T10] ipv6_find_idev+0x102/0x170 [ 815.718145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 815.718145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.718145][ T10] netlink_rcv_skb+0x130/0x360 [ 815.718145][ T10] netlink_unicast+0x449/0x710 [ 815.718145][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.718145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.718145][ T10] ___sys_sendmsg+0xee/0x170 [ 815.718145][ T10] __sys_sendmsg+0xcd/0x170 [ 815.718145][ T10] do_syscall_64+0xc6/0x1e0 [ 815.718145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 815.718145][ T10] [ 815.719881][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 815.719881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 815.719881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 815.719881][ T10] ipv6_find_idev+0x102/0x170 [ 815.719881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 815.719881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.719881][ T10] netlink_rcv_skb+0x130/0x360 [ 815.719881][ T10] netlink_unicast+0x449/0x710 [ 815.719881][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.719881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.719881][ T10] ___sys_sendmsg+0xee/0x170 [ 815.719881][ T10] __sys_sendmsg+0xcd/0x170 [ 815.719881][ T10] do_syscall_64+0xc6/0x1e0 [ 815.719881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 815.719881][ T10] [ 815.721793][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 815.722079][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 815.722079][ T10] vlan_dev_init+0x97c/0xdd0 [ 815.722079][ T10] register_netdevice+0x4d3/0x1690 [ 815.722079][ T10] register_vlan_dev+0x162/0x4a0 [ 815.722079][ T10] vlan_newlink+0x393/0x610 [ 815.722079][ T10] rtnl_newlink_create+0x341/0x850 [ 815.722079][ T10] __rtnl_newlink+0xac9/0xd80 [ 815.722079][ T10] rtnl_newlink+0x63/0xa0 [ 815.722079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 815.722079][ T10] netlink_rcv_skb+0x130/0x360 [ 815.722079][ T10] netlink_unicast+0x449/0x710 [ 815.722079][ T10] netlink_sendmsg+0x723/0xbe0 [ 815.722079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 815.722079][ T10] ___sys_sendmsg+0xee/0x170 [ 815.722079][ T10] __sys_sendmsg+0xcd/0x170 [ 815.722079][ T10] do_syscall_64+0xc6/0x1e0 [ 815.722079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 815.722079][ T10] [ 825.748012][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 825.748511][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 825.748511][ T10] netdev_get_by_index+0x5e/0x80 [ 825.748511][ T10] fib6_nh_init+0x3d8/0x1580 [ 825.748511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 825.748511][ T10] ip6_route_add+0x1c/0x140 [ 825.748511][ T10] addrconf_prefix_route+0x2a6/0x430 [ 825.748511][ T10] inet6_addr_add+0x4f8/0xa40 [ 825.748511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 825.748511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.748511][ T10] netlink_rcv_skb+0x130/0x360 [ 825.748511][ T10] netlink_unicast+0x449/0x710 [ 825.748511][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.748511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.748511][ T10] ___sys_sendmsg+0xee/0x170 [ 825.748511][ T10] __sys_sendmsg+0xcd/0x170 [ 825.748511][ T10] do_syscall_64+0xc6/0x1e0 [ 825.748511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 825.748511][ T10] [ 825.750534][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 825.750534][ T10] netdev_get_by_index+0x5e/0x80 [ 825.750534][ T10] fib6_nh_init+0x3d8/0x1580 [ 825.750534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 825.750534][ T10] addrconf_f6i_alloc+0x315/0x560 [ 825.750534][ T10] ipv6_add_addr+0x411/0x2000 [ 825.750534][ T10] inet6_addr_add+0x30e/0xa40 [ 825.750534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 825.750534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.750534][ T10] netlink_rcv_skb+0x130/0x360 [ 825.750534][ T10] netlink_unicast+0x449/0x710 [ 825.750534][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.750534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.750534][ T10] ___sys_sendmsg+0xee/0x170 [ 825.750534][ T10] __sys_sendmsg+0xcd/0x170 [ 825.750534][ T10] do_syscall_64+0xc6/0x1e0 [ 825.750534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 825.750534][ T10] [ 825.752535][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 825.752535][ T10] netdev_get_by_index+0x5e/0x80 [ 825.752535][ T10] fib6_nh_init+0x3d8/0x1580 [ 825.752535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 825.752535][ T10] ip6_route_add+0x1c/0x140 [ 825.752535][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 825.752535][ T10] addrconf_add_dev+0xe2/0x170 [ 825.752535][ T10] inet6_addr_add+0x12f/0xa40 [ 825.752535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 825.752535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.752535][ T10] netlink_rcv_skb+0x130/0x360 [ 825.752535][ T10] netlink_unicast+0x449/0x710 [ 825.752535][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.752535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.752535][ T10] ___sys_sendmsg+0xee/0x170 [ 825.752535][ T10] __sys_sendmsg+0xcd/0x170 [ 825.752535][ T10] do_syscall_64+0xc6/0x1e0 [ 825.752535][ T10] [ 825.754493][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 825.754493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 825.754493][ T10] ipv6_find_idev+0x102/0x170 [ 825.754493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 825.754493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.754493][ T10] netlink_rcv_skb+0x130/0x360 [ 825.754493][ T10] netlink_unicast+0x449/0x710 [ 825.754493][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.754493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.754493][ T10] ___sys_sendmsg+0xee/0x170 [ 825.754493][ T10] __sys_sendmsg+0xcd/0x170 [ 825.754493][ T10] do_syscall_64+0xc6/0x1e0 [ 825.754493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 825.754493][ T10] [ 825.756037][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 825.756037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 825.756037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 825.756037][ T10] ipv6_find_idev+0x102/0x170 [ 825.756037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 825.756037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.756037][ T10] netlink_rcv_skb+0x130/0x360 [ 825.756037][ T10] netlink_unicast+0x449/0x710 [ 825.756037][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.756037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.756037][ T10] ___sys_sendmsg+0xee/0x170 [ 825.756037][ T10] __sys_sendmsg+0xcd/0x170 [ 825.756037][ T10] do_syscall_64+0xc6/0x1e0 [ 825.756037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 825.756037][ T10] [ 825.757728][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 825.758014][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 825.758014][ T10] netdev_get_by_index+0x5e/0x80 [ 825.758014][ T10] fib6_nh_init+0x3d8/0x1580 [ 825.758014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 825.758014][ T10] ip6_route_add+0x1c/0x140 [ 825.758014][ T10] addrconf_prefix_route+0x2a6/0x430 [ 825.758014][ T10] inet6_addr_add+0x4f8/0xa40 [ 825.758014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 825.758014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.758014][ T10] netlink_rcv_skb+0x130/0x360 [ 825.758014][ T10] netlink_unicast+0x449/0x710 [ 825.758014][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.758014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.758014][ T10] ___sys_sendmsg+0xee/0x170 [ 825.758014][ T10] __sys_sendmsg+0xcd/0x170 [ 825.758014][ T10] do_syscall_64+0xc6/0x1e0 [ 825.758014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 825.758014][ T10] [ 825.760018][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 825.760018][ T10] netdev_get_by_index+0x5e/0x80 [ 825.760018][ T10] fib6_nh_init+0x3d8/0x1580 [ 825.760018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 825.760018][ T10] addrconf_f6i_alloc+0x315/0x560 [ 825.760018][ T10] ipv6_add_addr+0x411/0x2000 [ 825.760018][ T10] inet6_addr_add+0x30e/0xa40 [ 825.760018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 825.760018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.760018][ T10] netlink_rcv_skb+0x130/0x360 [ 825.760018][ T10] netlink_unicast+0x449/0x710 [ 825.760018][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.760018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.760018][ T10] ___sys_sendmsg+0xee/0x170 [ 825.760018][ T10] __sys_sendmsg+0xcd/0x170 [ 825.760018][ T10] do_syscall_64+0xc6/0x1e0 [ 825.760018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 825.760018][ T10] [ 825.762013][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 825.762013][ T10] netdev_get_by_index+0x5e/0x80 [ 825.762013][ T10] fib6_nh_init+0x3d8/0x1580 [ 825.762013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 825.762013][ T10] ip6_route_add+0x1c/0x140 [ 825.762013][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 825.762013][ T10] addrconf_add_dev+0xe2/0x170 [ 825.762013][ T10] inet6_addr_add+0x12f/0xa40 [ 825.762013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 825.762013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.762013][ T10] netlink_rcv_skb+0x130/0x360 [ 825.762013][ T10] netlink_unicast+0x449/0x710 [ 825.762013][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.762013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.762013][ T10] ___sys_sendmsg+0xee/0x170 [ 825.762013][ T10] __sys_sendmsg+0xcd/0x170 [ 825.762013][ T10] do_syscall_64+0xc6/0x1e0 [ 825.762013][ T10] [ 825.763969][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 825.763969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 825.763969][ T10] ipv6_find_idev+0x102/0x170 [ 825.763969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 825.763969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.763969][ T10] netlink_rcv_skb+0x130/0x360 [ 825.763969][ T10] netlink_unicast+0x449/0x710 [ 825.763969][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.763969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.763969][ T10] ___sys_sendmsg+0xee/0x170 [ 825.763969][ T10] __sys_sendmsg+0xcd/0x170 [ 825.763969][ T10] do_syscall_64+0xc6/0x1e0 [ 825.763969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 825.763969][ T10] [ 825.765498][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 825.765498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 825.765498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 825.765498][ T10] ipv6_find_idev+0x102/0x170 [ 825.765498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 825.765498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.765498][ T10] netlink_rcv_skb+0x130/0x360 [ 825.765498][ T10] netlink_unicast+0x449/0x710 [ 825.765498][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.765498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.765498][ T10] ___sys_sendmsg+0xee/0x170 [ 825.765498][ T10] __sys_sendmsg+0xcd/0x170 [ 825.765498][ T10] do_syscall_64+0xc6/0x1e0 [ 825.765498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 825.765498][ T10] [ 825.767185][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 825.767437][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 825.767437][ T10] vlan_dev_init+0x97c/0xdd0 [ 825.767437][ T10] register_netdevice+0x4d3/0x1690 [ 825.767437][ T10] register_vlan_dev+0x162/0x4a0 [ 825.767437][ T10] vlan_newlink+0x393/0x610 [ 825.767437][ T10] rtnl_newlink_create+0x341/0x850 [ 825.767437][ T10] __rtnl_newlink+0xac9/0xd80 [ 825.767437][ T10] rtnl_newlink+0x63/0xa0 [ 825.767437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 825.767437][ T10] netlink_rcv_skb+0x130/0x360 [ 825.767437][ T10] netlink_unicast+0x449/0x710 [ 825.767437][ T10] netlink_sendmsg+0x723/0xbe0 [ 825.767437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 825.767437][ T10] ___sys_sendmsg+0xee/0x170 [ 825.767437][ T10] __sys_sendmsg+0xcd/0x170 [ 825.767437][ T10] do_syscall_64+0xc6/0x1e0 [ 825.767437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 825.767437][ T10] [ 835.988005][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 835.988439][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 835.988439][ T10] netdev_get_by_index+0x5e/0x80 [ 835.988439][ T10] fib6_nh_init+0x3d8/0x1580 [ 835.988439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 835.988439][ T10] ip6_route_add+0x1c/0x140 [ 835.988439][ T10] addrconf_prefix_route+0x2a6/0x430 [ 835.988439][ T10] inet6_addr_add+0x4f8/0xa40 [ 835.988439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 835.988439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.988439][ T10] netlink_rcv_skb+0x130/0x360 [ 835.988439][ T10] netlink_unicast+0x449/0x710 [ 835.988439][ T10] netlink_sendmsg+0x723/0xbe0 [ 835.988439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 835.988439][ T10] ___sys_sendmsg+0xee/0x170 [ 835.988439][ T10] __sys_sendmsg+0xcd/0x170 [ 835.988439][ T10] do_syscall_64+0xc6/0x1e0 [ 835.988439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.988439][ T10] [ 835.990461][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 835.990461][ T10] netdev_get_by_index+0x5e/0x80 [ 835.990461][ T10] fib6_nh_init+0x3d8/0x1580 [ 835.990461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 835.990461][ T10] addrconf_f6i_alloc+0x315/0x560 [ 835.990461][ T10] ipv6_add_addr+0x411/0x2000 [ 835.990461][ T10] inet6_addr_add+0x30e/0xa40 [ 835.990461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 835.990461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.990461][ T10] netlink_rcv_skb+0x130/0x360 [ 835.990461][ T10] netlink_unicast+0x449/0x710 [ 835.990461][ T10] netlink_sendmsg+0x723/0xbe0 [ 835.990461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 835.990461][ T10] ___sys_sendmsg+0xee/0x170 [ 835.990461][ T10] __sys_sendmsg+0xcd/0x170 [ 835.990461][ T10] do_syscall_64+0xc6/0x1e0 [ 835.990461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.990461][ T10] [ 835.992458][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 835.992458][ T10] netdev_get_by_index+0x5e/0x80 [ 835.992458][ T10] fib6_nh_init+0x3d8/0x1580 [ 835.992458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 835.992458][ T10] ip6_route_add+0x1c/0x140 [ 835.992458][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 835.992458][ T10] addrconf_add_dev+0xe2/0x170 [ 835.992458][ T10] inet6_addr_add+0x12f/0xa40 [ 835.992458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 835.992458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.992458][ T10] netlink_rcv_skb+0x130/0x360 [ 835.992458][ T10] netlink_unicast+0x449/0x710 [ 835.992458][ T10] netlink_sendmsg+0x723/0xbe0 [ 835.992458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 835.992458][ T10] ___sys_sendmsg+0xee/0x170 [ 835.992458][ T10] __sys_sendmsg+0xcd/0x170 [ 835.992458][ T10] do_syscall_64+0xc6/0x1e0 [ 835.992458][ T10] [ 835.994411][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 835.994411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 835.994411][ T10] ipv6_find_idev+0x102/0x170 [ 835.994411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 835.994411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.994411][ T10] netlink_rcv_skb+0x130/0x360 [ 835.994411][ T10] netlink_unicast+0x449/0x710 [ 835.994411][ T10] netlink_sendmsg+0x723/0xbe0 [ 835.994411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 835.994411][ T10] ___sys_sendmsg+0xee/0x170 [ 835.994411][ T10] __sys_sendmsg+0xcd/0x170 [ 835.994411][ T10] do_syscall_64+0xc6/0x1e0 [ 835.994411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.994411][ T10] [ 835.995947][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 835.995947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 835.995947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 835.995947][ T10] ipv6_find_idev+0x102/0x170 [ 835.995947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 835.995947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.995947][ T10] netlink_rcv_skb+0x130/0x360 [ 835.995947][ T10] netlink_unicast+0x449/0x710 [ 835.995947][ T10] netlink_sendmsg+0x723/0xbe0 [ 835.995947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 835.995947][ T10] ___sys_sendmsg+0xee/0x170 [ 835.995947][ T10] __sys_sendmsg+0xcd/0x170 [ 835.995947][ T10] do_syscall_64+0xc6/0x1e0 [ 835.995947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.995947][ T10] [ 835.997641][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 835.997912][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 835.997912][ T10] netdev_get_by_index+0x5e/0x80 [ 835.997912][ T10] fib6_nh_init+0x3d8/0x1580 [ 835.997912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 835.997912][ T10] ip6_route_add+0x1c/0x140 [ 835.997912][ T10] addrconf_prefix_route+0x2a6/0x430 [ 835.997912][ T10] inet6_addr_add+0x4f8/0xa40 [ 835.997912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 835.997912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.997912][ T10] netlink_rcv_skb+0x130/0x360 [ 835.997912][ T10] netlink_unicast+0x449/0x710 [ 835.997912][ T10] netlink_sendmsg+0x723/0xbe0 [ 835.997912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 835.997912][ T10] ___sys_sendmsg+0xee/0x170 [ 835.997912][ T10] __sys_sendmsg+0xcd/0x170 [ 835.997912][ T10] do_syscall_64+0xc6/0x1e0 [ 835.997912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.997912][ T10] [ 835.999913][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 835.999913][ T10] netdev_get_by_index+0x5e/0x80 [ 835.999913][ T10] fib6_nh_init+0x3d8/0x1580 [ 835.999913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 835.999913][ T10] addrconf_f6i_alloc+0x315/0x560 [ 835.999913][ T10] ipv6_add_addr+0x411/0x2000 [ 835.999913][ T10] inet6_addr_add+0x30e/0xa40 [ 835.999913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 835.999913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 835.999913][ T10] netlink_rcv_skb+0x130/0x360 [ 835.999913][ T10] netlink_unicast+0x449/0x710 [ 835.999913][ T10] netlink_sendmsg+0x723/0xbe0 [ 835.999913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 835.999913][ T10] ___sys_sendmsg+0xee/0x170 [ 835.999913][ T10] __sys_sendmsg+0xcd/0x170 [ 835.999913][ T10] do_syscall_64+0xc6/0x1e0 [ 835.999913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 835.999913][ T10] [ 836.001938][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 836.001938][ T10] netdev_get_by_index+0x5e/0x80 [ 836.001938][ T10] fib6_nh_init+0x3d8/0x1580 [ 836.001938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 836.001938][ T10] ip6_route_add+0x1c/0x140 [ 836.001938][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 836.001938][ T10] addrconf_add_dev+0xe2/0x170 [ 836.001938][ T10] inet6_addr_add+0x12f/0xa40 [ 836.001938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 836.001938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 836.001938][ T10] netlink_rcv_skb+0x130/0x360 [ 836.001938][ T10] netlink_unicast+0x449/0x710 [ 836.001938][ T10] netlink_sendmsg+0x723/0xbe0 [ 836.001938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 836.001938][ T10] ___sys_sendmsg+0xee/0x170 [ 836.001938][ T10] __sys_sendmsg+0xcd/0x170 [ 836.001938][ T10] do_syscall_64+0xc6/0x1e0 [ 836.001938][ T10] [ 836.003898][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 836.003898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 836.003898][ T10] ipv6_find_idev+0x102/0x170 [ 836.003898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 836.003898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 836.003898][ T10] netlink_rcv_skb+0x130/0x360 [ 836.003898][ T10] netlink_unicast+0x449/0x710 [ 836.003898][ T10] netlink_sendmsg+0x723/0xbe0 [ 836.003898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 836.003898][ T10] ___sys_sendmsg+0xee/0x170 [ 836.003898][ T10] __sys_sendmsg+0xcd/0x170 [ 836.003898][ T10] do_syscall_64+0xc6/0x1e0 [ 836.003898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 836.003898][ T10] [ 836.005431][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 836.005431][ T10] neigh_parms_alloc+0x1e5/0x510 [ 836.005431][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 836.005431][ T10] ipv6_find_idev+0x102/0x170 [ 836.005431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 836.005431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 836.005431][ T10] netlink_rcv_skb+0x130/0x360 [ 836.005431][ T10] netlink_unicast+0x449/0x710 [ 836.005431][ T10] netlink_sendmsg+0x723/0xbe0 [ 836.005431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 836.005431][ T10] ___sys_sendmsg+0xee/0x170 [ 836.005431][ T10] __sys_sendmsg+0xcd/0x170 [ 836.005431][ T10] do_syscall_64+0xc6/0x1e0 [ 836.005431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 836.005431][ T10] [ 836.007117][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 836.007358][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 836.007358][ T10] vlan_dev_init+0x97c/0xdd0 [ 836.007358][ T10] register_netdevice+0x4d3/0x1690 [ 836.007358][ T10] register_vlan_dev+0x162/0x4a0 [ 836.007358][ T10] vlan_newlink+0x393/0x610 [ 836.007358][ T10] rtnl_newlink_create+0x341/0x850 [ 836.007358][ T10] __rtnl_newlink+0xac9/0xd80 [ 836.007358][ T10] rtnl_newlink+0x63/0xa0 [ 836.007358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 836.007358][ T10] netlink_rcv_skb+0x130/0x360 [ 836.007358][ T10] netlink_unicast+0x449/0x710 [ 836.007358][ T10] netlink_sendmsg+0x723/0xbe0 [ 836.007358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 836.007358][ T10] ___sys_sendmsg+0xee/0x170 [ 836.007358][ T10] __sys_sendmsg+0xcd/0x170 [ 836.007358][ T10] do_syscall_64+0xc6/0x1e0 [ 836.007358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 836.007358][ T10] [ 846.132011][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 846.132549][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 846.132549][ T10] netdev_get_by_index+0x5e/0x80 [ 846.132549][ T10] fib6_nh_init+0x3d8/0x1580 [ 846.132549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 846.132549][ T10] ip6_route_add+0x1c/0x140 [ 846.132549][ T10] addrconf_prefix_route+0x2a6/0x430 [ 846.132549][ T10] inet6_addr_add+0x4f8/0xa40 [ 846.132549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 846.132549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.132549][ T10] netlink_rcv_skb+0x130/0x360 [ 846.132549][ T10] netlink_unicast+0x449/0x710 [ 846.132549][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.132549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.132549][ T10] ___sys_sendmsg+0xee/0x170 [ 846.132549][ T10] __sys_sendmsg+0xcd/0x170 [ 846.132549][ T10] do_syscall_64+0xc6/0x1e0 [ 846.132549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 846.132549][ T10] [ 846.134852][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 846.134852][ T10] netdev_get_by_index+0x5e/0x80 [ 846.134852][ T10] fib6_nh_init+0x3d8/0x1580 [ 846.134852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 846.134852][ T10] addrconf_f6i_alloc+0x315/0x560 [ 846.134852][ T10] ipv6_add_addr+0x411/0x2000 [ 846.134852][ T10] inet6_addr_add+0x30e/0xa40 [ 846.134852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 846.134852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.134852][ T10] netlink_rcv_skb+0x130/0x360 [ 846.134852][ T10] netlink_unicast+0x449/0x710 [ 846.134852][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.134852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.134852][ T10] ___sys_sendmsg+0xee/0x170 [ 846.134852][ T10] __sys_sendmsg+0xcd/0x170 [ 846.134852][ T10] do_syscall_64+0xc6/0x1e0 [ 846.134852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 846.134852][ T10] [ 846.137130][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 846.137130][ T10] netdev_get_by_index+0x5e/0x80 [ 846.137130][ T10] fib6_nh_init+0x3d8/0x1580 [ 846.137130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 846.137130][ T10] ip6_route_add+0x1c/0x140 [ 846.137130][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 846.137130][ T10] addrconf_add_dev+0xe2/0x170 [ 846.137130][ T10] inet6_addr_add+0x12f/0xa40 [ 846.137130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 846.137130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.137130][ T10] netlink_rcv_skb+0x130/0x360 [ 846.137130][ T10] netlink_unicast+0x449/0x710 [ 846.137130][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.137130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.137130][ T10] ___sys_sendmsg+0xee/0x170 [ 846.137130][ T10] __sys_sendmsg+0xcd/0x170 [ 846.137130][ T10] do_syscall_64+0xc6/0x1e0 [ 846.137130][ T10] [ 846.139368][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 846.139368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 846.139368][ T10] ipv6_find_idev+0x102/0x170 [ 846.139368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 846.139368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.139368][ T10] netlink_rcv_skb+0x130/0x360 [ 846.139368][ T10] netlink_unicast+0x449/0x710 [ 846.139368][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.139368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.139368][ T10] ___sys_sendmsg+0xee/0x170 [ 846.139368][ T10] __sys_sendmsg+0xcd/0x170 [ 846.139368][ T10] do_syscall_64+0xc6/0x1e0 [ 846.139368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 846.139368][ T10] [ 846.141098][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 846.141098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 846.141098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 846.141098][ T10] ipv6_find_idev+0x102/0x170 [ 846.141098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 846.141098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.141098][ T10] netlink_rcv_skb+0x130/0x360 [ 846.141098][ T10] netlink_unicast+0x449/0x710 [ 846.141098][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.141098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.141098][ T10] ___sys_sendmsg+0xee/0x170 [ 846.141098][ T10] __sys_sendmsg+0xcd/0x170 [ 846.141098][ T10] do_syscall_64+0xc6/0x1e0 [ 846.141098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 846.141098][ T10] [ 846.143037][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 846.143341][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 846.143341][ T10] netdev_get_by_index+0x5e/0x80 [ 846.143341][ T10] fib6_nh_init+0x3d8/0x1580 [ 846.143341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 846.143341][ T10] ip6_route_add+0x1c/0x140 [ 846.143341][ T10] addrconf_prefix_route+0x2a6/0x430 [ 846.143341][ T10] inet6_addr_add+0x4f8/0xa40 [ 846.143341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 846.143341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.143341][ T10] netlink_rcv_skb+0x130/0x360 [ 846.143341][ T10] netlink_unicast+0x449/0x710 [ 846.143341][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.143341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.143341][ T10] ___sys_sendmsg+0xee/0x170 [ 846.143341][ T10] __sys_sendmsg+0xcd/0x170 [ 846.143341][ T10] do_syscall_64+0xc6/0x1e0 [ 846.143341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 846.143341][ T10] [ 846.145616][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 846.145616][ T10] netdev_get_by_index+0x5e/0x80 [ 846.145616][ T10] fib6_nh_init+0x3d8/0x1580 [ 846.145616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 846.145616][ T10] addrconf_f6i_alloc+0x315/0x560 [ 846.145616][ T10] ipv6_add_addr+0x411/0x2000 [ 846.145616][ T10] inet6_addr_add+0x30e/0xa40 [ 846.145616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 846.145616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.145616][ T10] netlink_rcv_skb+0x130/0x360 [ 846.145616][ T10] netlink_unicast+0x449/0x710 [ 846.145616][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.145616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.145616][ T10] ___sys_sendmsg+0xee/0x170 [ 846.145616][ T10] __sys_sendmsg+0xcd/0x170 [ 846.145616][ T10] do_syscall_64+0xc6/0x1e0 [ 846.145616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 846.145616][ T10] [ 846.147877][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 846.147877][ T10] netdev_get_by_index+0x5e/0x80 [ 846.147877][ T10] fib6_nh_init+0x3d8/0x1580 [ 846.147877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 846.147877][ T10] ip6_route_add+0x1c/0x140 [ 846.147877][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 846.147877][ T10] addrconf_add_dev+0xe2/0x170 [ 846.147877][ T10] inet6_addr_add+0x12f/0xa40 [ 846.147877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 846.147877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.147877][ T10] netlink_rcv_skb+0x130/0x360 [ 846.147877][ T10] netlink_unicast+0x449/0x710 [ 846.147877][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.147877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.147877][ T10] ___sys_sendmsg+0xee/0x170 [ 846.147877][ T10] __sys_sendmsg+0xcd/0x170 [ 846.147877][ T10] do_syscall_64+0xc6/0x1e0 [ 846.147877][ T10] [ 846.150116][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 846.150116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 846.150116][ T10] ipv6_find_idev+0x102/0x170 [ 846.150116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 846.150116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.150116][ T10] netlink_rcv_skb+0x130/0x360 [ 846.150116][ T10] netlink_unicast+0x449/0x710 [ 846.150116][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.150116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.150116][ T10] ___sys_sendmsg+0xee/0x170 [ 846.150116][ T10] __sys_sendmsg+0xcd/0x170 [ 846.150116][ T10] do_syscall_64+0xc6/0x1e0 [ 846.150116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 846.150116][ T10] [ 846.151861][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 846.151861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 846.151861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 846.151861][ T10] ipv6_find_idev+0x102/0x170 [ 846.151861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 846.151861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.151861][ T10] netlink_rcv_skb+0x130/0x360 [ 846.151861][ T10] netlink_unicast+0x449/0x710 [ 846.151861][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.151861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.151861][ T10] ___sys_sendmsg+0xee/0x170 [ 846.151861][ T10] __sys_sendmsg+0xcd/0x170 [ 846.151861][ T10] do_syscall_64+0xc6/0x1e0 [ 846.151861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 846.151861][ T10] [ 846.153754][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 846.154041][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 846.154041][ T10] vlan_dev_init+0x97c/0xdd0 [ 846.154041][ T10] register_netdevice+0x4d3/0x1690 [ 846.154041][ T10] register_vlan_dev+0x162/0x4a0 [ 846.154041][ T10] vlan_newlink+0x393/0x610 [ 846.154041][ T10] rtnl_newlink_create+0x341/0x850 [ 846.154041][ T10] __rtnl_newlink+0xac9/0xd80 [ 846.154041][ T10] rtnl_newlink+0x63/0xa0 [ 846.154041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 846.154041][ T10] netlink_rcv_skb+0x130/0x360 [ 846.154041][ T10] netlink_unicast+0x449/0x710 [ 846.154041][ T10] netlink_sendmsg+0x723/0xbe0 [ 846.154041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 846.154041][ T10] ___sys_sendmsg+0xee/0x170 [ 846.154041][ T10] __sys_sendmsg+0xcd/0x170 [ 846.154041][ T10] do_syscall_64+0xc6/0x1e0 [ 846.154041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 846.154041][ T10] [ 856.388004][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 856.388550][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 856.388550][ T10] netdev_get_by_index+0x5e/0x80 [ 856.388550][ T10] fib6_nh_init+0x3d8/0x1580 [ 856.388550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 856.388550][ T10] ip6_route_add+0x1c/0x140 [ 856.388550][ T10] addrconf_prefix_route+0x2a6/0x430 [ 856.388550][ T10] inet6_addr_add+0x4f8/0xa40 [ 856.388550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 856.388550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.388550][ T10] netlink_rcv_skb+0x130/0x360 [ 856.388550][ T10] netlink_unicast+0x449/0x710 [ 856.388550][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.388550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.388550][ T10] ___sys_sendmsg+0xee/0x170 [ 856.388550][ T10] __sys_sendmsg+0xcd/0x170 [ 856.388550][ T10] do_syscall_64+0xc6/0x1e0 [ 856.388550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 856.388550][ T10] [ 856.390851][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 856.390851][ T10] netdev_get_by_index+0x5e/0x80 [ 856.390851][ T10] fib6_nh_init+0x3d8/0x1580 [ 856.390851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 856.390851][ T10] addrconf_f6i_alloc+0x315/0x560 [ 856.390851][ T10] ipv6_add_addr+0x411/0x2000 [ 856.390851][ T10] inet6_addr_add+0x30e/0xa40 [ 856.390851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 856.390851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.390851][ T10] netlink_rcv_skb+0x130/0x360 [ 856.390851][ T10] netlink_unicast+0x449/0x710 [ 856.390851][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.390851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.390851][ T10] ___sys_sendmsg+0xee/0x170 [ 856.390851][ T10] __sys_sendmsg+0xcd/0x170 [ 856.390851][ T10] do_syscall_64+0xc6/0x1e0 [ 856.390851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 856.390851][ T10] [ 856.393121][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 856.393121][ T10] netdev_get_by_index+0x5e/0x80 [ 856.393121][ T10] fib6_nh_init+0x3d8/0x1580 [ 856.393121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 856.393121][ T10] ip6_route_add+0x1c/0x140 [ 856.393121][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 856.393121][ T10] addrconf_add_dev+0xe2/0x170 [ 856.393121][ T10] inet6_addr_add+0x12f/0xa40 [ 856.393121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 856.393121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.393121][ T10] netlink_rcv_skb+0x130/0x360 [ 856.393121][ T10] netlink_unicast+0x449/0x710 [ 856.393121][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.393121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.393121][ T10] ___sys_sendmsg+0xee/0x170 [ 856.393121][ T10] __sys_sendmsg+0xcd/0x170 [ 856.393121][ T10] do_syscall_64+0xc6/0x1e0 [ 856.393121][ T10] [ 856.395361][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 856.395361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 856.395361][ T10] ipv6_find_idev+0x102/0x170 [ 856.395361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 856.395361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.395361][ T10] netlink_rcv_skb+0x130/0x360 [ 856.395361][ T10] netlink_unicast+0x449/0x710 [ 856.395361][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.395361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.395361][ T10] ___sys_sendmsg+0xee/0x170 [ 856.395361][ T10] __sys_sendmsg+0xcd/0x170 [ 856.395361][ T10] do_syscall_64+0xc6/0x1e0 [ 856.395361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 856.395361][ T10] [ 856.397095][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 856.397095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 856.397095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 856.397095][ T10] ipv6_find_idev+0x102/0x170 [ 856.397095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 856.397095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.397095][ T10] netlink_rcv_skb+0x130/0x360 [ 856.397095][ T10] netlink_unicast+0x449/0x710 [ 856.397095][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.397095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.397095][ T10] ___sys_sendmsg+0xee/0x170 [ 856.397095][ T10] __sys_sendmsg+0xcd/0x170 [ 856.397095][ T10] do_syscall_64+0xc6/0x1e0 [ 856.397095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 856.397095][ T10] [ 856.399020][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 856.399325][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 856.399325][ T10] netdev_get_by_index+0x5e/0x80 [ 856.399325][ T10] fib6_nh_init+0x3d8/0x1580 [ 856.399325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 856.399325][ T10] ip6_route_add+0x1c/0x140 [ 856.399325][ T10] addrconf_prefix_route+0x2a6/0x430 [ 856.399325][ T10] inet6_addr_add+0x4f8/0xa40 [ 856.399325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 856.399325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.399325][ T10] netlink_rcv_skb+0x130/0x360 [ 856.399325][ T10] netlink_unicast+0x449/0x710 [ 856.399325][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.399325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.399325][ T10] ___sys_sendmsg+0xee/0x170 [ 856.399325][ T10] __sys_sendmsg+0xcd/0x170 [ 856.399325][ T10] do_syscall_64+0xc6/0x1e0 [ 856.399325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 856.399325][ T10] [ 856.401614][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 856.401614][ T10] netdev_get_by_index+0x5e/0x80 [ 856.401614][ T10] fib6_nh_init+0x3d8/0x1580 [ 856.401614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 856.401614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 856.401614][ T10] ipv6_add_addr+0x411/0x2000 [ 856.401614][ T10] inet6_addr_add+0x30e/0xa40 [ 856.401614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 856.401614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.401614][ T10] netlink_rcv_skb+0x130/0x360 [ 856.401614][ T10] netlink_unicast+0x449/0x710 [ 856.401614][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.401614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.401614][ T10] ___sys_sendmsg+0xee/0x170 [ 856.401614][ T10] __sys_sendmsg+0xcd/0x170 [ 856.401614][ T10] do_syscall_64+0xc6/0x1e0 [ 856.401614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 856.401614][ T10] [ 856.403872][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 856.403872][ T10] netdev_get_by_index+0x5e/0x80 [ 856.403872][ T10] fib6_nh_init+0x3d8/0x1580 [ 856.403872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 856.403872][ T10] ip6_route_add+0x1c/0x140 [ 856.403872][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 856.403872][ T10] addrconf_add_dev+0xe2/0x170 [ 856.403872][ T10] inet6_addr_add+0x12f/0xa40 [ 856.403872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 856.403872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.403872][ T10] netlink_rcv_skb+0x130/0x360 [ 856.403872][ T10] netlink_unicast+0x449/0x710 [ 856.403872][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.403872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.403872][ T10] ___sys_sendmsg+0xee/0x170 [ 856.403872][ T10] __sys_sendmsg+0xcd/0x170 [ 856.403872][ T10] do_syscall_64+0xc6/0x1e0 [ 856.403872][ T10] [ 856.406098][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 856.406098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 856.406098][ T10] ipv6_find_idev+0x102/0x170 [ 856.406098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 856.406098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.406098][ T10] netlink_rcv_skb+0x130/0x360 [ 856.406098][ T10] netlink_unicast+0x449/0x710 [ 856.406098][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.406098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.406098][ T10] ___sys_sendmsg+0xee/0x170 [ 856.406098][ T10] __sys_sendmsg+0xcd/0x170 [ 856.406098][ T10] do_syscall_64+0xc6/0x1e0 [ 856.406098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 856.406098][ T10] [ 856.407830][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 856.407830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 856.407830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 856.407830][ T10] ipv6_find_idev+0x102/0x170 [ 856.407830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 856.407830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.407830][ T10] netlink_rcv_skb+0x130/0x360 [ 856.407830][ T10] netlink_unicast+0x449/0x710 [ 856.407830][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.407830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.407830][ T10] ___sys_sendmsg+0xee/0x170 [ 856.407830][ T10] __sys_sendmsg+0xcd/0x170 [ 856.407830][ T10] do_syscall_64+0xc6/0x1e0 [ 856.407830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 856.407830][ T10] [ 856.409761][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 856.410043][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 856.410043][ T10] vlan_dev_init+0x97c/0xdd0 [ 856.410043][ T10] register_netdevice+0x4d3/0x1690 [ 856.410043][ T10] register_vlan_dev+0x162/0x4a0 [ 856.410043][ T10] vlan_newlink+0x393/0x610 [ 856.410043][ T10] rtnl_newlink_create+0x341/0x850 [ 856.410043][ T10] __rtnl_newlink+0xac9/0xd80 [ 856.410043][ T10] rtnl_newlink+0x63/0xa0 [ 856.410043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 856.410043][ T10] netlink_rcv_skb+0x130/0x360 [ 856.410043][ T10] netlink_unicast+0x449/0x710 [ 856.410043][ T10] netlink_sendmsg+0x723/0xbe0 [ 856.410043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 856.410043][ T10] ___sys_sendmsg+0xee/0x170 [ 856.410043][ T10] __sys_sendmsg+0xcd/0x170 [ 856.410043][ T10] do_syscall_64+0xc6/0x1e0 [ 856.410043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 856.410043][ T10] [ 861.484020][ T42] INFO: task modprobe:3829 blocked for more than 368 seconds. [ 861.484358][ T42] Not tainted 6.8.0-virtme #1 [ 861.484489][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 861.484692][ T42] task:modprobe state:D stack:25648 pid:3829 tgid:3829 ppid:59 flags:0x00004002 [ 861.484973][ T42] Call Trace: [ 861.485072][ T42] [ 861.485143][ T42] __schedule+0x705/0x1ac0 [ 861.485286][ T42] ? __pfx___schedule+0x10/0x10 [ 861.485410][ T42] ? schedule+0x1a5/0x210 [ 861.485516][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 861.485645][ T42] ? mark_lock+0x38/0x3e0 [ 861.485742][ T42] ? do_raw_spin_lock+0x131/0x270 [ 861.485872][ T42] ? schedule+0x1a5/0x210 [ 861.485985][ T42] schedule+0xdf/0x210 [ 861.486081][ T42] schedule_preempt_disabled+0x15/0x30 [ 861.486204][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 861.486342][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 861.486505][ T42] ? kasan_save_stack+0x34/0x50 [ 861.486633][ T42] ? kasan_save_stack+0x24/0x50 [ 861.486757][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 861.486902][ T42] ? lock_acquire+0x1c1/0x220 [ 861.487026][ T42] ? register_pernet_subsys+0x1a/0x50 [ 861.487157][ T42] down_write+0x1c9/0x200 [ 861.487253][ T42] ? __pfx_down_write+0x10/0x10 [ 861.487385][ T42] ? __pfx___lock_release+0x10/0x10 [ 861.487524][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 861.487716][ T42] register_pernet_subsys+0x1a/0x50 [ 861.487839][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 861.488029][ T42] do_one_initcall+0xc8/0x3f0 [ 861.488272][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 861.488404][ T42] ? __create_object+0x5e/0xb0 [ 861.488544][ T42] ? kasan_unpoison+0x27/0x60 [ 861.488678][ T42] do_init_module+0x233/0x740 [ 861.488815][ T42] load_module+0x16b5/0x2350 [ 861.488961][ T42] ? __pfx_load_module+0x10/0x10 [ 861.489084][ T42] ? kernel_read_file+0x3d2/0x520 [ 861.489214][ T42] ? kernel_read_file+0x300/0x520 [ 861.489341][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 861.489478][ T42] ? init_module_from_file+0xd2/0x130 [ 861.489601][ T42] init_module_from_file+0xd2/0x130 [ 861.489728][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 861.489905][ T42] ? __lock_release+0x103/0x460 [ 861.490033][ T42] ? idempotent_init_module+0x32a/0x620 [ 861.490167][ T42] ? idempotent_init_module+0x32a/0x620 [ 861.490290][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 861.490415][ T42] idempotent_init_module+0x342/0x620 [ 861.490551][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 861.490729][ T42] __x64_sys_finit_module+0xbe/0x130 [ 861.490857][ T42] do_syscall_64+0xc6/0x1e0 [ 861.490992][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.491149][ T42] RIP: 0033:0x7fab981a1e5d [ 861.491276][ T42] RSP: 002b:00007ffe70d7a428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 861.491467][ T42] RAX: ffffffffffffffda RBX: 0000555e1943ce90 RCX: 00007fab981a1e5d [ 861.491662][ T42] RDX: 0000000000000000 RSI: 0000555deb69da2a RDI: 0000000000000001 [ 861.491842][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555e1943d4f0 [ 861.492035][ T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555deb69da2a [ 861.492217][ T42] R13: 0000555e1943ce40 R14: 0000555e1943d570 R15: 0000000000000000 [ 861.492415][ T42] [ 861.492517][ T42] [ 861.492517][ T42] Showing all locks held in the system: [ 861.492698][ T42] 3 locks held by kworker/u16:0/10: [ 861.492818][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 861.493073][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 861.493295][ T42] #2: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 861.493526][ T42] 1 lock held by khungtaskd/42: [ 861.493646][ T42] #0: ffffffffb5b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 861.493867][ T42] 2 locks held by kworker/u18:1/59: [ 861.494007][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 861.494252][ T42] #1: ffffc90000407da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 861.494541][ T42] 1 lock held by modprobe/3829: [ 861.494658][ T42] #0: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 861.494915][ T42] [ 861.494976][ T42] ============================================= [ 861.494976][ T42] [ 866.652021][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 866.652539][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 866.652539][ T10] netdev_get_by_index+0x5e/0x80 [ 866.652539][ T10] fib6_nh_init+0x3d8/0x1580 [ 866.652539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 866.652539][ T10] ip6_route_add+0x1c/0x140 [ 866.652539][ T10] addrconf_prefix_route+0x2a6/0x430 [ 866.652539][ T10] inet6_addr_add+0x4f8/0xa40 [ 866.652539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 866.652539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.652539][ T10] netlink_rcv_skb+0x130/0x360 [ 866.652539][ T10] netlink_unicast+0x449/0x710 [ 866.652539][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.652539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.652539][ T10] ___sys_sendmsg+0xee/0x170 [ 866.652539][ T10] __sys_sendmsg+0xcd/0x170 [ 866.652539][ T10] do_syscall_64+0xc6/0x1e0 [ 866.652539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.652539][ T10] [ 866.654857][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 866.654857][ T10] netdev_get_by_index+0x5e/0x80 [ 866.654857][ T10] fib6_nh_init+0x3d8/0x1580 [ 866.654857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 866.654857][ T10] addrconf_f6i_alloc+0x315/0x560 [ 866.654857][ T10] ipv6_add_addr+0x411/0x2000 [ 866.654857][ T10] inet6_addr_add+0x30e/0xa40 [ 866.654857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 866.654857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.654857][ T10] netlink_rcv_skb+0x130/0x360 [ 866.654857][ T10] netlink_unicast+0x449/0x710 [ 866.654857][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.654857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.654857][ T10] ___sys_sendmsg+0xee/0x170 [ 866.654857][ T10] __sys_sendmsg+0xcd/0x170 [ 866.654857][ T10] do_syscall_64+0xc6/0x1e0 [ 866.654857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.654857][ T10] [ 866.657146][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 866.657146][ T10] netdev_get_by_index+0x5e/0x80 [ 866.657146][ T10] fib6_nh_init+0x3d8/0x1580 [ 866.657146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 866.657146][ T10] ip6_route_add+0x1c/0x140 [ 866.657146][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 866.657146][ T10] addrconf_add_dev+0xe2/0x170 [ 866.657146][ T10] inet6_addr_add+0x12f/0xa40 [ 866.657146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 866.657146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.657146][ T10] netlink_rcv_skb+0x130/0x360 [ 866.657146][ T10] netlink_unicast+0x449/0x710 [ 866.657146][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.657146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.657146][ T10] ___sys_sendmsg+0xee/0x170 [ 866.657146][ T10] __sys_sendmsg+0xcd/0x170 [ 866.657146][ T10] do_syscall_64+0xc6/0x1e0 [ 866.657146][ T10] [ 866.659393][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 866.659393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 866.659393][ T10] ipv6_find_idev+0x102/0x170 [ 866.659393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.659393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.659393][ T10] netlink_rcv_skb+0x130/0x360 [ 866.659393][ T10] netlink_unicast+0x449/0x710 [ 866.659393][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.659393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.659393][ T10] ___sys_sendmsg+0xee/0x170 [ 866.659393][ T10] __sys_sendmsg+0xcd/0x170 [ 866.659393][ T10] do_syscall_64+0xc6/0x1e0 [ 866.659393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.659393][ T10] [ 866.661158][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 866.661158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 866.661158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 866.661158][ T10] ipv6_find_idev+0x102/0x170 [ 866.661158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.661158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.661158][ T10] netlink_rcv_skb+0x130/0x360 [ 866.661158][ T10] netlink_unicast+0x449/0x710 [ 866.661158][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.661158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.661158][ T10] ___sys_sendmsg+0xee/0x170 [ 866.661158][ T10] __sys_sendmsg+0xcd/0x170 [ 866.661158][ T10] do_syscall_64+0xc6/0x1e0 [ 866.661158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.661158][ T10] [ 866.663088][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 866.663405][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 866.663405][ T10] netdev_get_by_index+0x5e/0x80 [ 866.663405][ T10] fib6_nh_init+0x3d8/0x1580 [ 866.663405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 866.663405][ T10] ip6_route_add+0x1c/0x140 [ 866.663405][ T10] addrconf_prefix_route+0x2a6/0x430 [ 866.663405][ T10] inet6_addr_add+0x4f8/0xa40 [ 866.663405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 866.663405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.663405][ T10] netlink_rcv_skb+0x130/0x360 [ 866.663405][ T10] netlink_unicast+0x449/0x710 [ 866.663405][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.663405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.663405][ T10] ___sys_sendmsg+0xee/0x170 [ 866.663405][ T10] __sys_sendmsg+0xcd/0x170 [ 866.663405][ T10] do_syscall_64+0xc6/0x1e0 [ 866.663405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.663405][ T10] [ 866.665671][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 866.665671][ T10] netdev_get_by_index+0x5e/0x80 [ 866.665671][ T10] fib6_nh_init+0x3d8/0x1580 [ 866.665671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 866.665671][ T10] addrconf_f6i_alloc+0x315/0x560 [ 866.665671][ T10] ipv6_add_addr+0x411/0x2000 [ 866.665671][ T10] inet6_addr_add+0x30e/0xa40 [ 866.665671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 866.665671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.665671][ T10] netlink_rcv_skb+0x130/0x360 [ 866.665671][ T10] netlink_unicast+0x449/0x710 [ 866.665671][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.665671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.665671][ T10] ___sys_sendmsg+0xee/0x170 [ 866.665671][ T10] __sys_sendmsg+0xcd/0x170 [ 866.665671][ T10] do_syscall_64+0xc6/0x1e0 [ 866.665671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.665671][ T10] [ 866.667921][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 866.667921][ T10] netdev_get_by_index+0x5e/0x80 [ 866.667921][ T10] fib6_nh_init+0x3d8/0x1580 [ 866.667921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 866.667921][ T10] ip6_route_add+0x1c/0x140 [ 866.667921][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 866.667921][ T10] addrconf_add_dev+0xe2/0x170 [ 866.667921][ T10] inet6_addr_add+0x12f/0xa40 [ 866.667921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 866.667921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.667921][ T10] netlink_rcv_skb+0x130/0x360 [ 866.667921][ T10] netlink_unicast+0x449/0x710 [ 866.667921][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.667921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.667921][ T10] ___sys_sendmsg+0xee/0x170 [ 866.667921][ T10] __sys_sendmsg+0xcd/0x170 [ 866.667921][ T10] do_syscall_64+0xc6/0x1e0 [ 866.667921][ T10] [ 866.670150][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 866.670150][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 866.670150][ T10] ipv6_find_idev+0x102/0x170 [ 866.670150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.670150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.670150][ T10] netlink_rcv_skb+0x130/0x360 [ 866.670150][ T10] netlink_unicast+0x449/0x710 [ 866.670150][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.670150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.670150][ T10] ___sys_sendmsg+0xee/0x170 [ 866.670150][ T10] __sys_sendmsg+0xcd/0x170 [ 866.670150][ T10] do_syscall_64+0xc6/0x1e0 [ 866.670150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.670150][ T10] [ 866.671897][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 866.671897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 866.671897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 866.671897][ T10] ipv6_find_idev+0x102/0x170 [ 866.671897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 866.671897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.671897][ T10] netlink_rcv_skb+0x130/0x360 [ 866.671897][ T10] netlink_unicast+0x449/0x710 [ 866.671897][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.671897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.671897][ T10] ___sys_sendmsg+0xee/0x170 [ 866.671897][ T10] __sys_sendmsg+0xcd/0x170 [ 866.671897][ T10] do_syscall_64+0xc6/0x1e0 [ 866.671897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.671897][ T10] [ 866.673910][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 866.674178][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 866.674178][ T10] vlan_dev_init+0x97c/0xdd0 [ 866.674178][ T10] register_netdevice+0x4d3/0x1690 [ 866.674178][ T10] register_vlan_dev+0x162/0x4a0 [ 866.674178][ T10] vlan_newlink+0x393/0x610 [ 866.674178][ T10] rtnl_newlink_create+0x341/0x850 [ 866.674178][ T10] __rtnl_newlink+0xac9/0xd80 [ 866.674178][ T10] rtnl_newlink+0x63/0xa0 [ 866.674178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 866.674178][ T10] netlink_rcv_skb+0x130/0x360 [ 866.674178][ T10] netlink_unicast+0x449/0x710 [ 866.674178][ T10] netlink_sendmsg+0x723/0xbe0 [ 866.674178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 866.674178][ T10] ___sys_sendmsg+0xee/0x170 [ 866.674178][ T10] __sys_sendmsg+0xcd/0x170 [ 866.674178][ T10] do_syscall_64+0xc6/0x1e0 [ 866.674178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 866.674178][ T10] [ 876.916065][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 876.916606][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 876.916606][ T10] netdev_get_by_index+0x5e/0x80 [ 876.916606][ T10] fib6_nh_init+0x3d8/0x1580 [ 876.916606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 876.916606][ T10] ip6_route_add+0x1c/0x140 [ 876.916606][ T10] addrconf_prefix_route+0x2a6/0x430 [ 876.916606][ T10] inet6_addr_add+0x4f8/0xa40 [ 876.916606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 876.916606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.916606][ T10] netlink_rcv_skb+0x130/0x360 [ 876.916606][ T10] netlink_unicast+0x449/0x710 [ 876.916606][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.916606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.916606][ T10] ___sys_sendmsg+0xee/0x170 [ 876.916606][ T10] __sys_sendmsg+0xcd/0x170 [ 876.916606][ T10] do_syscall_64+0xc6/0x1e0 [ 876.916606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.916606][ T10] [ 876.918899][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 876.918899][ T10] netdev_get_by_index+0x5e/0x80 [ 876.918899][ T10] fib6_nh_init+0x3d8/0x1580 [ 876.918899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 876.918899][ T10] addrconf_f6i_alloc+0x315/0x560 [ 876.918899][ T10] ipv6_add_addr+0x411/0x2000 [ 876.918899][ T10] inet6_addr_add+0x30e/0xa40 [ 876.918899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 876.918899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.918899][ T10] netlink_rcv_skb+0x130/0x360 [ 876.918899][ T10] netlink_unicast+0x449/0x710 [ 876.918899][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.918899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.918899][ T10] ___sys_sendmsg+0xee/0x170 [ 876.918899][ T10] __sys_sendmsg+0xcd/0x170 [ 876.918899][ T10] do_syscall_64+0xc6/0x1e0 [ 876.918899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.918899][ T10] [ 876.921181][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 876.921181][ T10] netdev_get_by_index+0x5e/0x80 [ 876.921181][ T10] fib6_nh_init+0x3d8/0x1580 [ 876.921181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 876.921181][ T10] ip6_route_add+0x1c/0x140 [ 876.921181][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 876.921181][ T10] addrconf_add_dev+0xe2/0x170 [ 876.921181][ T10] inet6_addr_add+0x12f/0xa40 [ 876.921181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 876.921181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.921181][ T10] netlink_rcv_skb+0x130/0x360 [ 876.921181][ T10] netlink_unicast+0x449/0x710 [ 876.921181][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.921181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.921181][ T10] ___sys_sendmsg+0xee/0x170 [ 876.921181][ T10] __sys_sendmsg+0xcd/0x170 [ 876.921181][ T10] do_syscall_64+0xc6/0x1e0 [ 876.921181][ T10] [ 876.923429][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 876.923429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 876.923429][ T10] ipv6_find_idev+0x102/0x170 [ 876.923429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.923429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.923429][ T10] netlink_rcv_skb+0x130/0x360 [ 876.923429][ T10] netlink_unicast+0x449/0x710 [ 876.923429][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.923429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.923429][ T10] ___sys_sendmsg+0xee/0x170 [ 876.923429][ T10] __sys_sendmsg+0xcd/0x170 [ 876.923429][ T10] do_syscall_64+0xc6/0x1e0 [ 876.923429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.923429][ T10] [ 876.925187][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 876.925187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 876.925187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 876.925187][ T10] ipv6_find_idev+0x102/0x170 [ 876.925187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.925187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.925187][ T10] netlink_rcv_skb+0x130/0x360 [ 876.925187][ T10] netlink_unicast+0x449/0x710 [ 876.925187][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.925187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.925187][ T10] ___sys_sendmsg+0xee/0x170 [ 876.925187][ T10] __sys_sendmsg+0xcd/0x170 [ 876.925187][ T10] do_syscall_64+0xc6/0x1e0 [ 876.925187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.925187][ T10] [ 876.927103][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 876.927400][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 876.927400][ T10] netdev_get_by_index+0x5e/0x80 [ 876.927400][ T10] fib6_nh_init+0x3d8/0x1580 [ 876.927400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 876.927400][ T10] ip6_route_add+0x1c/0x140 [ 876.927400][ T10] addrconf_prefix_route+0x2a6/0x430 [ 876.927400][ T10] inet6_addr_add+0x4f8/0xa40 [ 876.927400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 876.927400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.927400][ T10] netlink_rcv_skb+0x130/0x360 [ 876.927400][ T10] netlink_unicast+0x449/0x710 [ 876.927400][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.927400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.927400][ T10] ___sys_sendmsg+0xee/0x170 [ 876.927400][ T10] __sys_sendmsg+0xcd/0x170 [ 876.927400][ T10] do_syscall_64+0xc6/0x1e0 [ 876.927400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.927400][ T10] [ 876.929655][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 876.929655][ T10] netdev_get_by_index+0x5e/0x80 [ 876.929655][ T10] fib6_nh_init+0x3d8/0x1580 [ 876.929655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 876.929655][ T10] addrconf_f6i_alloc+0x315/0x560 [ 876.929655][ T10] ipv6_add_addr+0x411/0x2000 [ 876.929655][ T10] inet6_addr_add+0x30e/0xa40 [ 876.929655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 876.929655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.929655][ T10] netlink_rcv_skb+0x130/0x360 [ 876.929655][ T10] netlink_unicast+0x449/0x710 [ 876.929655][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.929655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.929655][ T10] ___sys_sendmsg+0xee/0x170 [ 876.929655][ T10] __sys_sendmsg+0xcd/0x170 [ 876.929655][ T10] do_syscall_64+0xc6/0x1e0 [ 876.929655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.929655][ T10] [ 876.931920][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 876.931920][ T10] netdev_get_by_index+0x5e/0x80 [ 876.931920][ T10] fib6_nh_init+0x3d8/0x1580 [ 876.931920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 876.931920][ T10] ip6_route_add+0x1c/0x140 [ 876.931920][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 876.931920][ T10] addrconf_add_dev+0xe2/0x170 [ 876.931920][ T10] inet6_addr_add+0x12f/0xa40 [ 876.931920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 876.931920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.931920][ T10] netlink_rcv_skb+0x130/0x360 [ 876.931920][ T10] netlink_unicast+0x449/0x710 [ 876.931920][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.931920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.931920][ T10] ___sys_sendmsg+0xee/0x170 [ 876.931920][ T10] __sys_sendmsg+0xcd/0x170 [ 876.931920][ T10] do_syscall_64+0xc6/0x1e0 [ 876.931920][ T10] [ 876.934148][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 876.934148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 876.934148][ T10] ipv6_find_idev+0x102/0x170 [ 876.934148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.934148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.934148][ T10] netlink_rcv_skb+0x130/0x360 [ 876.934148][ T10] netlink_unicast+0x449/0x710 [ 876.934148][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.934148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.934148][ T10] ___sys_sendmsg+0xee/0x170 [ 876.934148][ T10] __sys_sendmsg+0xcd/0x170 [ 876.934148][ T10] do_syscall_64+0xc6/0x1e0 [ 876.934148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.934148][ T10] [ 876.935909][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 876.935909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 876.935909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 876.935909][ T10] ipv6_find_idev+0x102/0x170 [ 876.935909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 876.935909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.935909][ T10] netlink_rcv_skb+0x130/0x360 [ 876.935909][ T10] netlink_unicast+0x449/0x710 [ 876.935909][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.935909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.935909][ T10] ___sys_sendmsg+0xee/0x170 [ 876.935909][ T10] __sys_sendmsg+0xcd/0x170 [ 876.935909][ T10] do_syscall_64+0xc6/0x1e0 [ 876.935909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.935909][ T10] [ 876.937841][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 876.938121][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 876.938121][ T10] vlan_dev_init+0x97c/0xdd0 [ 876.938121][ T10] register_netdevice+0x4d3/0x1690 [ 876.938121][ T10] register_vlan_dev+0x162/0x4a0 [ 876.938121][ T10] vlan_newlink+0x393/0x610 [ 876.938121][ T10] rtnl_newlink_create+0x341/0x850 [ 876.938121][ T10] __rtnl_newlink+0xac9/0xd80 [ 876.938121][ T10] rtnl_newlink+0x63/0xa0 [ 876.938121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 876.938121][ T10] netlink_rcv_skb+0x130/0x360 [ 876.938121][ T10] netlink_unicast+0x449/0x710 [ 876.938121][ T10] netlink_sendmsg+0x723/0xbe0 [ 876.938121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 876.938121][ T10] ___sys_sendmsg+0xee/0x170 [ 876.938121][ T10] __sys_sendmsg+0xcd/0x170 [ 876.938121][ T10] do_syscall_64+0xc6/0x1e0 [ 876.938121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 876.938121][ T10] [ 887.180022][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 887.180539][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 887.180539][ T10] netdev_get_by_index+0x5e/0x80 [ 887.180539][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.180539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.180539][ T10] ip6_route_add+0x1c/0x140 [ 887.180539][ T10] addrconf_prefix_route+0x2a6/0x430 [ 887.180539][ T10] inet6_addr_add+0x4f8/0xa40 [ 887.180539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 887.180539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.180539][ T10] netlink_rcv_skb+0x130/0x360 [ 887.180539][ T10] netlink_unicast+0x449/0x710 [ 887.180539][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.180539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.180539][ T10] ___sys_sendmsg+0xee/0x170 [ 887.180539][ T10] __sys_sendmsg+0xcd/0x170 [ 887.180539][ T10] do_syscall_64+0xc6/0x1e0 [ 887.180539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.180539][ T10] [ 887.182836][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 887.182836][ T10] netdev_get_by_index+0x5e/0x80 [ 887.182836][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.182836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.182836][ T10] addrconf_f6i_alloc+0x315/0x560 [ 887.182836][ T10] ipv6_add_addr+0x411/0x2000 [ 887.182836][ T10] inet6_addr_add+0x30e/0xa40 [ 887.182836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 887.182836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.182836][ T10] netlink_rcv_skb+0x130/0x360 [ 887.182836][ T10] netlink_unicast+0x449/0x710 [ 887.182836][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.182836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.182836][ T10] ___sys_sendmsg+0xee/0x170 [ 887.182836][ T10] __sys_sendmsg+0xcd/0x170 [ 887.182836][ T10] do_syscall_64+0xc6/0x1e0 [ 887.182836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.182836][ T10] [ 887.185121][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 887.185121][ T10] netdev_get_by_index+0x5e/0x80 [ 887.185121][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.185121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.185121][ T10] ip6_route_add+0x1c/0x140 [ 887.185121][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 887.185121][ T10] addrconf_add_dev+0xe2/0x170 [ 887.185121][ T10] inet6_addr_add+0x12f/0xa40 [ 887.185121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 887.185121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.185121][ T10] netlink_rcv_skb+0x130/0x360 [ 887.185121][ T10] netlink_unicast+0x449/0x710 [ 887.185121][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.185121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.185121][ T10] ___sys_sendmsg+0xee/0x170 [ 887.185121][ T10] __sys_sendmsg+0xcd/0x170 [ 887.185121][ T10] do_syscall_64+0xc6/0x1e0 [ 887.185121][ T10] [ 887.187350][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 887.187350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 887.187350][ T10] ipv6_find_idev+0x102/0x170 [ 887.187350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 887.187350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.187350][ T10] netlink_rcv_skb+0x130/0x360 [ 887.187350][ T10] netlink_unicast+0x449/0x710 [ 887.187350][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.187350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.187350][ T10] ___sys_sendmsg+0xee/0x170 [ 887.187350][ T10] __sys_sendmsg+0xcd/0x170 [ 887.187350][ T10] do_syscall_64+0xc6/0x1e0 [ 887.187350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.187350][ T10] [ 887.189119][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 887.189119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 887.189119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 887.189119][ T10] ipv6_find_idev+0x102/0x170 [ 887.189119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 887.189119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.189119][ T10] netlink_rcv_skb+0x130/0x360 [ 887.189119][ T10] netlink_unicast+0x449/0x710 [ 887.189119][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.189119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.189119][ T10] ___sys_sendmsg+0xee/0x170 [ 887.189119][ T10] __sys_sendmsg+0xcd/0x170 [ 887.189119][ T10] do_syscall_64+0xc6/0x1e0 [ 887.189119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.189119][ T10] [ 887.191047][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 887.191361][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 887.191361][ T10] netdev_get_by_index+0x5e/0x80 [ 887.191361][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.191361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.191361][ T10] ip6_route_add+0x1c/0x140 [ 887.191361][ T10] addrconf_prefix_route+0x2a6/0x430 [ 887.191361][ T10] inet6_addr_add+0x4f8/0xa40 [ 887.191361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 887.191361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.191361][ T10] netlink_rcv_skb+0x130/0x360 [ 887.191361][ T10] netlink_unicast+0x449/0x710 [ 887.191361][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.191361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.191361][ T10] ___sys_sendmsg+0xee/0x170 [ 887.191361][ T10] __sys_sendmsg+0xcd/0x170 [ 887.191361][ T10] do_syscall_64+0xc6/0x1e0 [ 887.191361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.191361][ T10] [ 887.193629][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 887.193629][ T10] netdev_get_by_index+0x5e/0x80 [ 887.193629][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.193629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.193629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 887.193629][ T10] ipv6_add_addr+0x411/0x2000 [ 887.193629][ T10] inet6_addr_add+0x30e/0xa40 [ 887.193629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 887.193629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.193629][ T10] netlink_rcv_skb+0x130/0x360 [ 887.193629][ T10] netlink_unicast+0x449/0x710 [ 887.193629][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.193629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.193629][ T10] ___sys_sendmsg+0xee/0x170 [ 887.193629][ T10] __sys_sendmsg+0xcd/0x170 [ 887.193629][ T10] do_syscall_64+0xc6/0x1e0 [ 887.193629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.193629][ T10] [ 887.195904][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 887.195904][ T10] netdev_get_by_index+0x5e/0x80 [ 887.195904][ T10] fib6_nh_init+0x3d8/0x1580 [ 887.195904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 887.195904][ T10] ip6_route_add+0x1c/0x140 [ 887.195904][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 887.195904][ T10] addrconf_add_dev+0xe2/0x170 [ 887.195904][ T10] inet6_addr_add+0x12f/0xa40 [ 887.195904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 887.195904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.195904][ T10] netlink_rcv_skb+0x130/0x360 [ 887.195904][ T10] netlink_unicast+0x449/0x710 [ 887.195904][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.195904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.195904][ T10] ___sys_sendmsg+0xee/0x170 [ 887.195904][ T10] __sys_sendmsg+0xcd/0x170 [ 887.195904][ T10] do_syscall_64+0xc6/0x1e0 [ 887.195904][ T10] [ 887.198149][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 887.198149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 887.198149][ T10] ipv6_find_idev+0x102/0x170 [ 887.198149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 887.198149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.198149][ T10] netlink_rcv_skb+0x130/0x360 [ 887.198149][ T10] netlink_unicast+0x449/0x710 [ 887.198149][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.198149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.198149][ T10] ___sys_sendmsg+0xee/0x170 [ 887.198149][ T10] __sys_sendmsg+0xcd/0x170 [ 887.198149][ T10] do_syscall_64+0xc6/0x1e0 [ 887.198149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.198149][ T10] [ 887.199910][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 887.199910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 887.199910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 887.199910][ T10] ipv6_find_idev+0x102/0x170 [ 887.199910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 887.199910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.199910][ T10] netlink_rcv_skb+0x130/0x360 [ 887.199910][ T10] netlink_unicast+0x449/0x710 [ 887.199910][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.199910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.199910][ T10] ___sys_sendmsg+0xee/0x170 [ 887.199910][ T10] __sys_sendmsg+0xcd/0x170 [ 887.199910][ T10] do_syscall_64+0xc6/0x1e0 [ 887.199910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.199910][ T10] [ 887.201816][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 887.202105][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 887.202105][ T10] vlan_dev_init+0x97c/0xdd0 [ 887.202105][ T10] register_netdevice+0x4d3/0x1690 [ 887.202105][ T10] register_vlan_dev+0x162/0x4a0 [ 887.202105][ T10] vlan_newlink+0x393/0x610 [ 887.202105][ T10] rtnl_newlink_create+0x341/0x850 [ 887.202105][ T10] __rtnl_newlink+0xac9/0xd80 [ 887.202105][ T10] rtnl_newlink+0x63/0xa0 [ 887.202105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 887.202105][ T10] netlink_rcv_skb+0x130/0x360 [ 887.202105][ T10] netlink_unicast+0x449/0x710 [ 887.202105][ T10] netlink_sendmsg+0x723/0xbe0 [ 887.202105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 887.202105][ T10] ___sys_sendmsg+0xee/0x170 [ 887.202105][ T10] __sys_sendmsg+0xcd/0x170 [ 887.202105][ T10] do_syscall_64+0xc6/0x1e0 [ 887.202105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 887.202105][ T10] [ 897.252033][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 897.252561][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 897.252561][ T10] netdev_get_by_index+0x5e/0x80 [ 897.252561][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.252561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.252561][ T10] ip6_route_add+0x1c/0x140 [ 897.252561][ T10] addrconf_prefix_route+0x2a6/0x430 [ 897.252561][ T10] inet6_addr_add+0x4f8/0xa40 [ 897.252561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 897.252561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.252561][ T10] netlink_rcv_skb+0x130/0x360 [ 897.252561][ T10] netlink_unicast+0x449/0x710 [ 897.252561][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.252561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.252561][ T10] ___sys_sendmsg+0xee/0x170 [ 897.252561][ T10] __sys_sendmsg+0xcd/0x170 [ 897.252561][ T10] do_syscall_64+0xc6/0x1e0 [ 897.252561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.252561][ T10] [ 897.254840][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 897.254840][ T10] netdev_get_by_index+0x5e/0x80 [ 897.254840][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.254840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.254840][ T10] addrconf_f6i_alloc+0x315/0x560 [ 897.254840][ T10] ipv6_add_addr+0x411/0x2000 [ 897.254840][ T10] inet6_addr_add+0x30e/0xa40 [ 897.254840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 897.254840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.254840][ T10] netlink_rcv_skb+0x130/0x360 [ 897.254840][ T10] netlink_unicast+0x449/0x710 [ 897.254840][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.254840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.254840][ T10] ___sys_sendmsg+0xee/0x170 [ 897.254840][ T10] __sys_sendmsg+0xcd/0x170 [ 897.254840][ T10] do_syscall_64+0xc6/0x1e0 [ 897.254840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.254840][ T10] [ 897.257138][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 897.257138][ T10] netdev_get_by_index+0x5e/0x80 [ 897.257138][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.257138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.257138][ T10] ip6_route_add+0x1c/0x140 [ 897.257138][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 897.257138][ T10] addrconf_add_dev+0xe2/0x170 [ 897.257138][ T10] inet6_addr_add+0x12f/0xa40 [ 897.257138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 897.257138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.257138][ T10] netlink_rcv_skb+0x130/0x360 [ 897.257138][ T10] netlink_unicast+0x449/0x710 [ 897.257138][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.257138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.257138][ T10] ___sys_sendmsg+0xee/0x170 [ 897.257138][ T10] __sys_sendmsg+0xcd/0x170 [ 897.257138][ T10] do_syscall_64+0xc6/0x1e0 [ 897.257138][ T10] [ 897.259370][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 897.259370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 897.259370][ T10] ipv6_find_idev+0x102/0x170 [ 897.259370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.259370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.259370][ T10] netlink_rcv_skb+0x130/0x360 [ 897.259370][ T10] netlink_unicast+0x449/0x710 [ 897.259370][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.259370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.259370][ T10] ___sys_sendmsg+0xee/0x170 [ 897.259370][ T10] __sys_sendmsg+0xcd/0x170 [ 897.259370][ T10] do_syscall_64+0xc6/0x1e0 [ 897.259370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.259370][ T10] [ 897.261117][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 897.261117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 897.261117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 897.261117][ T10] ipv6_find_idev+0x102/0x170 [ 897.261117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.261117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.261117][ T10] netlink_rcv_skb+0x130/0x360 [ 897.261117][ T10] netlink_unicast+0x449/0x710 [ 897.261117][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.261117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.261117][ T10] ___sys_sendmsg+0xee/0x170 [ 897.261117][ T10] __sys_sendmsg+0xcd/0x170 [ 897.261117][ T10] do_syscall_64+0xc6/0x1e0 [ 897.261117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.261117][ T10] [ 897.263028][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 897.263336][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 897.263336][ T10] netdev_get_by_index+0x5e/0x80 [ 897.263336][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.263336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.263336][ T10] ip6_route_add+0x1c/0x140 [ 897.263336][ T10] addrconf_prefix_route+0x2a6/0x430 [ 897.263336][ T10] inet6_addr_add+0x4f8/0xa40 [ 897.263336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 897.263336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.263336][ T10] netlink_rcv_skb+0x130/0x360 [ 897.263336][ T10] netlink_unicast+0x449/0x710 [ 897.263336][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.263336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.263336][ T10] ___sys_sendmsg+0xee/0x170 [ 897.263336][ T10] __sys_sendmsg+0xcd/0x170 [ 897.263336][ T10] do_syscall_64+0xc6/0x1e0 [ 897.263336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.263336][ T10] [ 897.265594][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 897.265594][ T10] netdev_get_by_index+0x5e/0x80 [ 897.265594][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.265594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.265594][ T10] addrconf_f6i_alloc+0x315/0x560 [ 897.265594][ T10] ipv6_add_addr+0x411/0x2000 [ 897.265594][ T10] inet6_addr_add+0x30e/0xa40 [ 897.265594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 897.265594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.265594][ T10] netlink_rcv_skb+0x130/0x360 [ 897.265594][ T10] netlink_unicast+0x449/0x710 [ 897.265594][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.265594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.265594][ T10] ___sys_sendmsg+0xee/0x170 [ 897.265594][ T10] __sys_sendmsg+0xcd/0x170 [ 897.265594][ T10] do_syscall_64+0xc6/0x1e0 [ 897.265594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.265594][ T10] [ 897.267839][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 897.267839][ T10] netdev_get_by_index+0x5e/0x80 [ 897.267839][ T10] fib6_nh_init+0x3d8/0x1580 [ 897.267839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 897.267839][ T10] ip6_route_add+0x1c/0x140 [ 897.267839][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 897.267839][ T10] addrconf_add_dev+0xe2/0x170 [ 897.267839][ T10] inet6_addr_add+0x12f/0xa40 [ 897.267839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 897.267839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.267839][ T10] netlink_rcv_skb+0x130/0x360 [ 897.267839][ T10] netlink_unicast+0x449/0x710 [ 897.267839][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.267839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.267839][ T10] ___sys_sendmsg+0xee/0x170 [ 897.267839][ T10] __sys_sendmsg+0xcd/0x170 [ 897.267839][ T10] do_syscall_64+0xc6/0x1e0 [ 897.267839][ T10] [ 897.270078][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 897.270078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 897.270078][ T10] ipv6_find_idev+0x102/0x170 [ 897.270078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.270078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.270078][ T10] netlink_rcv_skb+0x130/0x360 [ 897.270078][ T10] netlink_unicast+0x449/0x710 [ 897.270078][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.270078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.270078][ T10] ___sys_sendmsg+0xee/0x170 [ 897.270078][ T10] __sys_sendmsg+0xcd/0x170 [ 897.270078][ T10] do_syscall_64+0xc6/0x1e0 [ 897.270078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.270078][ T10] [ 897.271816][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 897.271816][ T10] neigh_parms_alloc+0x1e5/0x510 [ 897.271816][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 897.271816][ T10] ipv6_find_idev+0x102/0x170 [ 897.271816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 897.271816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.271816][ T10] netlink_rcv_skb+0x130/0x360 [ 897.271816][ T10] netlink_unicast+0x449/0x710 [ 897.271816][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.271816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.271816][ T10] ___sys_sendmsg+0xee/0x170 [ 897.271816][ T10] __sys_sendmsg+0xcd/0x170 [ 897.271816][ T10] do_syscall_64+0xc6/0x1e0 [ 897.271816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.271816][ T10] [ 897.273743][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 897.274044][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 897.274044][ T10] vlan_dev_init+0x97c/0xdd0 [ 897.274044][ T10] register_netdevice+0x4d3/0x1690 [ 897.274044][ T10] register_vlan_dev+0x162/0x4a0 [ 897.274044][ T10] vlan_newlink+0x393/0x610 [ 897.274044][ T10] rtnl_newlink_create+0x341/0x850 [ 897.274044][ T10] __rtnl_newlink+0xac9/0xd80 [ 897.274044][ T10] rtnl_newlink+0x63/0xa0 [ 897.274044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 897.274044][ T10] netlink_rcv_skb+0x130/0x360 [ 897.274044][ T10] netlink_unicast+0x449/0x710 [ 897.274044][ T10] netlink_sendmsg+0x723/0xbe0 [ 897.274044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 897.274044][ T10] ___sys_sendmsg+0xee/0x170 [ 897.274044][ T10] __sys_sendmsg+0xcd/0x170 [ 897.274044][ T10] do_syscall_64+0xc6/0x1e0 [ 897.274044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 897.274044][ T10] [ 907.355996][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 907.356476][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 907.356476][ T10] netdev_get_by_index+0x5e/0x80 [ 907.356476][ T10] fib6_nh_init+0x3d8/0x1580 [ 907.356476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 907.356476][ T10] ip6_route_add+0x1c/0x140 [ 907.356476][ T10] addrconf_prefix_route+0x2a6/0x430 [ 907.356476][ T10] inet6_addr_add+0x4f8/0xa40 [ 907.356476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 907.356476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.356476][ T10] netlink_rcv_skb+0x130/0x360 [ 907.356476][ T10] netlink_unicast+0x449/0x710 [ 907.356476][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.356476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.356476][ T10] ___sys_sendmsg+0xee/0x170 [ 907.356476][ T10] __sys_sendmsg+0xcd/0x170 [ 907.356476][ T10] do_syscall_64+0xc6/0x1e0 [ 907.356476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.356476][ T10] [ 907.358530][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 907.358530][ T10] netdev_get_by_index+0x5e/0x80 [ 907.358530][ T10] fib6_nh_init+0x3d8/0x1580 [ 907.358530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 907.358530][ T10] addrconf_f6i_alloc+0x315/0x560 [ 907.358530][ T10] ipv6_add_addr+0x411/0x2000 [ 907.358530][ T10] inet6_addr_add+0x30e/0xa40 [ 907.358530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 907.358530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.358530][ T10] netlink_rcv_skb+0x130/0x360 [ 907.358530][ T10] netlink_unicast+0x449/0x710 [ 907.358530][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.358530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.358530][ T10] ___sys_sendmsg+0xee/0x170 [ 907.358530][ T10] __sys_sendmsg+0xcd/0x170 [ 907.358530][ T10] do_syscall_64+0xc6/0x1e0 [ 907.358530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.358530][ T10] [ 907.360534][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 907.360534][ T10] netdev_get_by_index+0x5e/0x80 [ 907.360534][ T10] fib6_nh_init+0x3d8/0x1580 [ 907.360534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 907.360534][ T10] ip6_route_add+0x1c/0x140 [ 907.360534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 907.360534][ T10] addrconf_add_dev+0xe2/0x170 [ 907.360534][ T10] inet6_addr_add+0x12f/0xa40 [ 907.360534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 907.360534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.360534][ T10] netlink_rcv_skb+0x130/0x360 [ 907.360534][ T10] netlink_unicast+0x449/0x710 [ 907.360534][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.360534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.360534][ T10] ___sys_sendmsg+0xee/0x170 [ 907.360534][ T10] __sys_sendmsg+0xcd/0x170 [ 907.360534][ T10] do_syscall_64+0xc6/0x1e0 [ 907.360534][ T10] [ 907.362492][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 907.362492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 907.362492][ T10] ipv6_find_idev+0x102/0x170 [ 907.362492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.362492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.362492][ T10] netlink_rcv_skb+0x130/0x360 [ 907.362492][ T10] netlink_unicast+0x449/0x710 [ 907.362492][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.362492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.362492][ T10] ___sys_sendmsg+0xee/0x170 [ 907.362492][ T10] __sys_sendmsg+0xcd/0x170 [ 907.362492][ T10] do_syscall_64+0xc6/0x1e0 [ 907.362492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.362492][ T10] [ 907.364031][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 907.364031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 907.364031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 907.364031][ T10] ipv6_find_idev+0x102/0x170 [ 907.364031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.364031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.364031][ T10] netlink_rcv_skb+0x130/0x360 [ 907.364031][ T10] netlink_unicast+0x449/0x710 [ 907.364031][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.364031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.364031][ T10] ___sys_sendmsg+0xee/0x170 [ 907.364031][ T10] __sys_sendmsg+0xcd/0x170 [ 907.364031][ T10] do_syscall_64+0xc6/0x1e0 [ 907.364031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.364031][ T10] [ 907.365724][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 907.366007][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 907.366007][ T10] netdev_get_by_index+0x5e/0x80 [ 907.366007][ T10] fib6_nh_init+0x3d8/0x1580 [ 907.366007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 907.366007][ T10] ip6_route_add+0x1c/0x140 [ 907.366007][ T10] addrconf_prefix_route+0x2a6/0x430 [ 907.366007][ T10] inet6_addr_add+0x4f8/0xa40 [ 907.366007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 907.366007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.366007][ T10] netlink_rcv_skb+0x130/0x360 [ 907.366007][ T10] netlink_unicast+0x449/0x710 [ 907.366007][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.366007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.366007][ T10] ___sys_sendmsg+0xee/0x170 [ 907.366007][ T10] __sys_sendmsg+0xcd/0x170 [ 907.366007][ T10] do_syscall_64+0xc6/0x1e0 [ 907.366007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.366007][ T10] [ 907.368005][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 907.368005][ T10] netdev_get_by_index+0x5e/0x80 [ 907.368005][ T10] fib6_nh_init+0x3d8/0x1580 [ 907.368005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 907.368005][ T10] addrconf_f6i_alloc+0x315/0x560 [ 907.368005][ T10] ipv6_add_addr+0x411/0x2000 [ 907.368005][ T10] inet6_addr_add+0x30e/0xa40 [ 907.368005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 907.368005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.368005][ T10] netlink_rcv_skb+0x130/0x360 [ 907.368005][ T10] netlink_unicast+0x449/0x710 [ 907.368005][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.368005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.368005][ T10] ___sys_sendmsg+0xee/0x170 [ 907.368005][ T10] __sys_sendmsg+0xcd/0x170 [ 907.368005][ T10] do_syscall_64+0xc6/0x1e0 [ 907.368005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.368005][ T10] [ 907.370006][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 907.370006][ T10] netdev_get_by_index+0x5e/0x80 [ 907.370006][ T10] fib6_nh_init+0x3d8/0x1580 [ 907.370006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 907.370006][ T10] ip6_route_add+0x1c/0x140 [ 907.370006][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 907.370006][ T10] addrconf_add_dev+0xe2/0x170 [ 907.370006][ T10] inet6_addr_add+0x12f/0xa40 [ 907.370006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 907.370006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.370006][ T10] netlink_rcv_skb+0x130/0x360 [ 907.370006][ T10] netlink_unicast+0x449/0x710 [ 907.370006][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.370006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.370006][ T10] ___sys_sendmsg+0xee/0x170 [ 907.370006][ T10] __sys_sendmsg+0xcd/0x170 [ 907.370006][ T10] do_syscall_64+0xc6/0x1e0 [ 907.370006][ T10] [ 907.371966][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 907.371966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 907.371966][ T10] ipv6_find_idev+0x102/0x170 [ 907.371966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.371966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.371966][ T10] netlink_rcv_skb+0x130/0x360 [ 907.371966][ T10] netlink_unicast+0x449/0x710 [ 907.371966][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.371966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.371966][ T10] ___sys_sendmsg+0xee/0x170 [ 907.371966][ T10] __sys_sendmsg+0xcd/0x170 [ 907.371966][ T10] do_syscall_64+0xc6/0x1e0 [ 907.371966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.371966][ T10] [ 907.373512][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 907.373512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 907.373512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 907.373512][ T10] ipv6_find_idev+0x102/0x170 [ 907.373512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 907.373512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.373512][ T10] netlink_rcv_skb+0x130/0x360 [ 907.373512][ T10] netlink_unicast+0x449/0x710 [ 907.373512][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.373512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.373512][ T10] ___sys_sendmsg+0xee/0x170 [ 907.373512][ T10] __sys_sendmsg+0xcd/0x170 [ 907.373512][ T10] do_syscall_64+0xc6/0x1e0 [ 907.373512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.373512][ T10] [ 907.375221][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 907.375481][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 907.375481][ T10] vlan_dev_init+0x97c/0xdd0 [ 907.375481][ T10] register_netdevice+0x4d3/0x1690 [ 907.375481][ T10] register_vlan_dev+0x162/0x4a0 [ 907.375481][ T10] vlan_newlink+0x393/0x610 [ 907.375481][ T10] rtnl_newlink_create+0x341/0x850 [ 907.375481][ T10] __rtnl_newlink+0xac9/0xd80 [ 907.375481][ T10] rtnl_newlink+0x63/0xa0 [ 907.375481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 907.375481][ T10] netlink_rcv_skb+0x130/0x360 [ 907.375481][ T10] netlink_unicast+0x449/0x710 [ 907.375481][ T10] netlink_sendmsg+0x723/0xbe0 [ 907.375481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 907.375481][ T10] ___sys_sendmsg+0xee/0x170 [ 907.375481][ T10] __sys_sendmsg+0xcd/0x170 [ 907.375481][ T10] do_syscall_64+0xc6/0x1e0 [ 907.375481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 907.375481][ T10] [ 917.596029][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 917.596504][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 917.596504][ T10] netdev_get_by_index+0x5e/0x80 [ 917.596504][ T10] fib6_nh_init+0x3d8/0x1580 [ 917.596504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 917.596504][ T10] ip6_route_add+0x1c/0x140 [ 917.596504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 917.596504][ T10] inet6_addr_add+0x4f8/0xa40 [ 917.596504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 917.596504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.596504][ T10] netlink_rcv_skb+0x130/0x360 [ 917.596504][ T10] netlink_unicast+0x449/0x710 [ 917.596504][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.596504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.596504][ T10] ___sys_sendmsg+0xee/0x170 [ 917.596504][ T10] __sys_sendmsg+0xcd/0x170 [ 917.596504][ T10] do_syscall_64+0xc6/0x1e0 [ 917.596504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.596504][ T10] [ 917.598530][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 917.598530][ T10] netdev_get_by_index+0x5e/0x80 [ 917.598530][ T10] fib6_nh_init+0x3d8/0x1580 [ 917.598530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 917.598530][ T10] addrconf_f6i_alloc+0x315/0x560 [ 917.598530][ T10] ipv6_add_addr+0x411/0x2000 [ 917.598530][ T10] inet6_addr_add+0x30e/0xa40 [ 917.598530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 917.598530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.598530][ T10] netlink_rcv_skb+0x130/0x360 [ 917.598530][ T10] netlink_unicast+0x449/0x710 [ 917.598530][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.598530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.598530][ T10] ___sys_sendmsg+0xee/0x170 [ 917.598530][ T10] __sys_sendmsg+0xcd/0x170 [ 917.598530][ T10] do_syscall_64+0xc6/0x1e0 [ 917.598530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.598530][ T10] [ 917.600541][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 917.600541][ T10] netdev_get_by_index+0x5e/0x80 [ 917.600541][ T10] fib6_nh_init+0x3d8/0x1580 [ 917.600541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 917.600541][ T10] ip6_route_add+0x1c/0x140 [ 917.600541][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 917.600541][ T10] addrconf_add_dev+0xe2/0x170 [ 917.600541][ T10] inet6_addr_add+0x12f/0xa40 [ 917.600541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 917.600541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.600541][ T10] netlink_rcv_skb+0x130/0x360 [ 917.600541][ T10] netlink_unicast+0x449/0x710 [ 917.600541][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.600541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.600541][ T10] ___sys_sendmsg+0xee/0x170 [ 917.600541][ T10] __sys_sendmsg+0xcd/0x170 [ 917.600541][ T10] do_syscall_64+0xc6/0x1e0 [ 917.600541][ T10] [ 917.602510][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 917.602510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 917.602510][ T10] ipv6_find_idev+0x102/0x170 [ 917.602510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.602510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.602510][ T10] netlink_rcv_skb+0x130/0x360 [ 917.602510][ T10] netlink_unicast+0x449/0x710 [ 917.602510][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.602510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.602510][ T10] ___sys_sendmsg+0xee/0x170 [ 917.602510][ T10] __sys_sendmsg+0xcd/0x170 [ 917.602510][ T10] do_syscall_64+0xc6/0x1e0 [ 917.602510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.602510][ T10] [ 917.604054][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 917.604054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 917.604054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 917.604054][ T10] ipv6_find_idev+0x102/0x170 [ 917.604054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.604054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.604054][ T10] netlink_rcv_skb+0x130/0x360 [ 917.604054][ T10] netlink_unicast+0x449/0x710 [ 917.604054][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.604054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.604054][ T10] ___sys_sendmsg+0xee/0x170 [ 917.604054][ T10] __sys_sendmsg+0xcd/0x170 [ 917.604054][ T10] do_syscall_64+0xc6/0x1e0 [ 917.604054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.604054][ T10] [ 917.605764][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 917.606050][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 917.606050][ T10] netdev_get_by_index+0x5e/0x80 [ 917.606050][ T10] fib6_nh_init+0x3d8/0x1580 [ 917.606050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 917.606050][ T10] ip6_route_add+0x1c/0x140 [ 917.606050][ T10] addrconf_prefix_route+0x2a6/0x430 [ 917.606050][ T10] inet6_addr_add+0x4f8/0xa40 [ 917.606050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 917.606050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.606050][ T10] netlink_rcv_skb+0x130/0x360 [ 917.606050][ T10] netlink_unicast+0x449/0x710 [ 917.606050][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.606050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.606050][ T10] ___sys_sendmsg+0xee/0x170 [ 917.606050][ T10] __sys_sendmsg+0xcd/0x170 [ 917.606050][ T10] do_syscall_64+0xc6/0x1e0 [ 917.606050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.606050][ T10] [ 917.608049][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 917.608049][ T10] netdev_get_by_index+0x5e/0x80 [ 917.608049][ T10] fib6_nh_init+0x3d8/0x1580 [ 917.608049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 917.608049][ T10] addrconf_f6i_alloc+0x315/0x560 [ 917.608049][ T10] ipv6_add_addr+0x411/0x2000 [ 917.608049][ T10] inet6_addr_add+0x30e/0xa40 [ 917.608049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 917.608049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.608049][ T10] netlink_rcv_skb+0x130/0x360 [ 917.608049][ T10] netlink_unicast+0x449/0x710 [ 917.608049][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.608049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.608049][ T10] ___sys_sendmsg+0xee/0x170 [ 917.608049][ T10] __sys_sendmsg+0xcd/0x170 [ 917.608049][ T10] do_syscall_64+0xc6/0x1e0 [ 917.608049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.608049][ T10] [ 917.610113][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 917.610113][ T10] netdev_get_by_index+0x5e/0x80 [ 917.610113][ T10] fib6_nh_init+0x3d8/0x1580 [ 917.610113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 917.610113][ T10] ip6_route_add+0x1c/0x140 [ 917.610113][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 917.610113][ T10] addrconf_add_dev+0xe2/0x170 [ 917.610113][ T10] inet6_addr_add+0x12f/0xa40 [ 917.610113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 917.610113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.610113][ T10] netlink_rcv_skb+0x130/0x360 [ 917.610113][ T10] netlink_unicast+0x449/0x710 [ 917.610113][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.610113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.610113][ T10] ___sys_sendmsg+0xee/0x170 [ 917.610113][ T10] __sys_sendmsg+0xcd/0x170 [ 917.610113][ T10] do_syscall_64+0xc6/0x1e0 [ 917.610113][ T10] [ 917.612069][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 917.612069][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 917.612069][ T10] ipv6_find_idev+0x102/0x170 [ 917.612069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.612069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.612069][ T10] netlink_rcv_skb+0x130/0x360 [ 917.612069][ T10] netlink_unicast+0x449/0x710 [ 917.612069][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.612069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.612069][ T10] ___sys_sendmsg+0xee/0x170 [ 917.612069][ T10] __sys_sendmsg+0xcd/0x170 [ 917.612069][ T10] do_syscall_64+0xc6/0x1e0 [ 917.612069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.612069][ T10] [ 917.613598][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 917.613598][ T10] neigh_parms_alloc+0x1e5/0x510 [ 917.613598][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 917.613598][ T10] ipv6_find_idev+0x102/0x170 [ 917.613598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 917.613598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.613598][ T10] netlink_rcv_skb+0x130/0x360 [ 917.613598][ T10] netlink_unicast+0x449/0x710 [ 917.613598][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.613598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.613598][ T10] ___sys_sendmsg+0xee/0x170 [ 917.613598][ T10] __sys_sendmsg+0xcd/0x170 [ 917.613598][ T10] do_syscall_64+0xc6/0x1e0 [ 917.613598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.613598][ T10] [ 917.615287][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 917.615528][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 917.615528][ T10] vlan_dev_init+0x97c/0xdd0 [ 917.615528][ T10] register_netdevice+0x4d3/0x1690 [ 917.615528][ T10] register_vlan_dev+0x162/0x4a0 [ 917.615528][ T10] vlan_newlink+0x393/0x610 [ 917.615528][ T10] rtnl_newlink_create+0x341/0x850 [ 917.615528][ T10] __rtnl_newlink+0xac9/0xd80 [ 917.615528][ T10] rtnl_newlink+0x63/0xa0 [ 917.615528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 917.615528][ T10] netlink_rcv_skb+0x130/0x360 [ 917.615528][ T10] netlink_unicast+0x449/0x710 [ 917.615528][ T10] netlink_sendmsg+0x723/0xbe0 [ 917.615528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 917.615528][ T10] ___sys_sendmsg+0xee/0x170 [ 917.615528][ T10] __sys_sendmsg+0xcd/0x170 [ 917.615528][ T10] do_syscall_64+0xc6/0x1e0 [ 917.615528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 917.615528][ T10] [ 927.860017][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 927.860575][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 927.860575][ T10] netdev_get_by_index+0x5e/0x80 [ 927.860575][ T10] fib6_nh_init+0x3d8/0x1580 [ 927.860575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 927.860575][ T10] ip6_route_add+0x1c/0x140 [ 927.860575][ T10] addrconf_prefix_route+0x2a6/0x430 [ 927.860575][ T10] inet6_addr_add+0x4f8/0xa40 [ 927.860575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 927.860575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.860575][ T10] netlink_rcv_skb+0x130/0x360 [ 927.860575][ T10] netlink_unicast+0x449/0x710 [ 927.860575][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.860575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.860575][ T10] ___sys_sendmsg+0xee/0x170 [ 927.860575][ T10] __sys_sendmsg+0xcd/0x170 [ 927.860575][ T10] do_syscall_64+0xc6/0x1e0 [ 927.860575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.860575][ T10] [ 927.862883][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 927.862883][ T10] netdev_get_by_index+0x5e/0x80 [ 927.862883][ T10] fib6_nh_init+0x3d8/0x1580 [ 927.862883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 927.862883][ T10] addrconf_f6i_alloc+0x315/0x560 [ 927.862883][ T10] ipv6_add_addr+0x411/0x2000 [ 927.862883][ T10] inet6_addr_add+0x30e/0xa40 [ 927.862883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 927.862883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.862883][ T10] netlink_rcv_skb+0x130/0x360 [ 927.862883][ T10] netlink_unicast+0x449/0x710 [ 927.862883][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.862883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.862883][ T10] ___sys_sendmsg+0xee/0x170 [ 927.862883][ T10] __sys_sendmsg+0xcd/0x170 [ 927.862883][ T10] do_syscall_64+0xc6/0x1e0 [ 927.862883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.862883][ T10] [ 927.865149][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 927.865149][ T10] netdev_get_by_index+0x5e/0x80 [ 927.865149][ T10] fib6_nh_init+0x3d8/0x1580 [ 927.865149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 927.865149][ T10] ip6_route_add+0x1c/0x140 [ 927.865149][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 927.865149][ T10] addrconf_add_dev+0xe2/0x170 [ 927.865149][ T10] inet6_addr_add+0x12f/0xa40 [ 927.865149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 927.865149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.865149][ T10] netlink_rcv_skb+0x130/0x360 [ 927.865149][ T10] netlink_unicast+0x449/0x710 [ 927.865149][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.865149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.865149][ T10] ___sys_sendmsg+0xee/0x170 [ 927.865149][ T10] __sys_sendmsg+0xcd/0x170 [ 927.865149][ T10] do_syscall_64+0xc6/0x1e0 [ 927.865149][ T10] [ 927.867367][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 927.867367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 927.867367][ T10] ipv6_find_idev+0x102/0x170 [ 927.867367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 927.867367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.867367][ T10] netlink_rcv_skb+0x130/0x360 [ 927.867367][ T10] netlink_unicast+0x449/0x710 [ 927.867367][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.867367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.867367][ T10] ___sys_sendmsg+0xee/0x170 [ 927.867367][ T10] __sys_sendmsg+0xcd/0x170 [ 927.867367][ T10] do_syscall_64+0xc6/0x1e0 [ 927.867367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.867367][ T10] [ 927.869124][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 927.869124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 927.869124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 927.869124][ T10] ipv6_find_idev+0x102/0x170 [ 927.869124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 927.869124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.869124][ T10] netlink_rcv_skb+0x130/0x360 [ 927.869124][ T10] netlink_unicast+0x449/0x710 [ 927.869124][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.869124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.869124][ T10] ___sys_sendmsg+0xee/0x170 [ 927.869124][ T10] __sys_sendmsg+0xcd/0x170 [ 927.869124][ T10] do_syscall_64+0xc6/0x1e0 [ 927.869124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.869124][ T10] [ 927.871052][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 927.871358][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 927.871358][ T10] netdev_get_by_index+0x5e/0x80 [ 927.871358][ T10] fib6_nh_init+0x3d8/0x1580 [ 927.871358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 927.871358][ T10] ip6_route_add+0x1c/0x140 [ 927.871358][ T10] addrconf_prefix_route+0x2a6/0x430 [ 927.871358][ T10] inet6_addr_add+0x4f8/0xa40 [ 927.871358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 927.871358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.871358][ T10] netlink_rcv_skb+0x130/0x360 [ 927.871358][ T10] netlink_unicast+0x449/0x710 [ 927.871358][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.871358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.871358][ T10] ___sys_sendmsg+0xee/0x170 [ 927.871358][ T10] __sys_sendmsg+0xcd/0x170 [ 927.871358][ T10] do_syscall_64+0xc6/0x1e0 [ 927.871358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.871358][ T10] [ 927.873620][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 927.873620][ T10] netdev_get_by_index+0x5e/0x80 [ 927.873620][ T10] fib6_nh_init+0x3d8/0x1580 [ 927.873620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 927.873620][ T10] addrconf_f6i_alloc+0x315/0x560 [ 927.873620][ T10] ipv6_add_addr+0x411/0x2000 [ 927.873620][ T10] inet6_addr_add+0x30e/0xa40 [ 927.873620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 927.873620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.873620][ T10] netlink_rcv_skb+0x130/0x360 [ 927.873620][ T10] netlink_unicast+0x449/0x710 [ 927.873620][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.873620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.873620][ T10] ___sys_sendmsg+0xee/0x170 [ 927.873620][ T10] __sys_sendmsg+0xcd/0x170 [ 927.873620][ T10] do_syscall_64+0xc6/0x1e0 [ 927.873620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.873620][ T10] [ 927.875887][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 927.875887][ T10] netdev_get_by_index+0x5e/0x80 [ 927.875887][ T10] fib6_nh_init+0x3d8/0x1580 [ 927.875887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 927.875887][ T10] ip6_route_add+0x1c/0x140 [ 927.875887][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 927.875887][ T10] addrconf_add_dev+0xe2/0x170 [ 927.875887][ T10] inet6_addr_add+0x12f/0xa40 [ 927.875887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 927.875887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.875887][ T10] netlink_rcv_skb+0x130/0x360 [ 927.875887][ T10] netlink_unicast+0x449/0x710 [ 927.875887][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.875887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.875887][ T10] ___sys_sendmsg+0xee/0x170 [ 927.875887][ T10] __sys_sendmsg+0xcd/0x170 [ 927.875887][ T10] do_syscall_64+0xc6/0x1e0 [ 927.875887][ T10] [ 927.878118][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 927.878118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 927.878118][ T10] ipv6_find_idev+0x102/0x170 [ 927.878118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 927.878118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.878118][ T10] netlink_rcv_skb+0x130/0x360 [ 927.878118][ T10] netlink_unicast+0x449/0x710 [ 927.878118][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.878118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.878118][ T10] ___sys_sendmsg+0xee/0x170 [ 927.878118][ T10] __sys_sendmsg+0xcd/0x170 [ 927.878118][ T10] do_syscall_64+0xc6/0x1e0 [ 927.878118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.878118][ T10] [ 927.879870][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 927.879870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 927.879870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 927.879870][ T10] ipv6_find_idev+0x102/0x170 [ 927.879870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 927.879870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.879870][ T10] netlink_rcv_skb+0x130/0x360 [ 927.879870][ T10] netlink_unicast+0x449/0x710 [ 927.879870][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.879870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.879870][ T10] ___sys_sendmsg+0xee/0x170 [ 927.879870][ T10] __sys_sendmsg+0xcd/0x170 [ 927.879870][ T10] do_syscall_64+0xc6/0x1e0 [ 927.879870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.879870][ T10] [ 927.881779][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 927.882074][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 927.882074][ T10] vlan_dev_init+0x97c/0xdd0 [ 927.882074][ T10] register_netdevice+0x4d3/0x1690 [ 927.882074][ T10] register_vlan_dev+0x162/0x4a0 [ 927.882074][ T10] vlan_newlink+0x393/0x610 [ 927.882074][ T10] rtnl_newlink_create+0x341/0x850 [ 927.882074][ T10] __rtnl_newlink+0xac9/0xd80 [ 927.882074][ T10] rtnl_newlink+0x63/0xa0 [ 927.882074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 927.882074][ T10] netlink_rcv_skb+0x130/0x360 [ 927.882074][ T10] netlink_unicast+0x449/0x710 [ 927.882074][ T10] netlink_sendmsg+0x723/0xbe0 [ 927.882074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 927.882074][ T10] ___sys_sendmsg+0xee/0x170 [ 927.882074][ T10] __sys_sendmsg+0xcd/0x170 [ 927.882074][ T10] do_syscall_64+0xc6/0x1e0 [ 927.882074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 927.882074][ T10] [ 938.124038][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 938.124519][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 938.124519][ T10] netdev_get_by_index+0x5e/0x80 [ 938.124519][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.124519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.124519][ T10] ip6_route_add+0x1c/0x140 [ 938.124519][ T10] addrconf_prefix_route+0x2a6/0x430 [ 938.124519][ T10] inet6_addr_add+0x4f8/0xa40 [ 938.124519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 938.124519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.124519][ T10] netlink_rcv_skb+0x130/0x360 [ 938.124519][ T10] netlink_unicast+0x449/0x710 [ 938.124519][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.124519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.124519][ T10] ___sys_sendmsg+0xee/0x170 [ 938.124519][ T10] __sys_sendmsg+0xcd/0x170 [ 938.124519][ T10] do_syscall_64+0xc6/0x1e0 [ 938.124519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.124519][ T10] [ 938.126828][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 938.126828][ T10] netdev_get_by_index+0x5e/0x80 [ 938.126828][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.126828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.126828][ T10] addrconf_f6i_alloc+0x315/0x560 [ 938.126828][ T10] ipv6_add_addr+0x411/0x2000 [ 938.126828][ T10] inet6_addr_add+0x30e/0xa40 [ 938.126828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 938.126828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.126828][ T10] netlink_rcv_skb+0x130/0x360 [ 938.126828][ T10] netlink_unicast+0x449/0x710 [ 938.126828][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.126828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.126828][ T10] ___sys_sendmsg+0xee/0x170 [ 938.126828][ T10] __sys_sendmsg+0xcd/0x170 [ 938.126828][ T10] do_syscall_64+0xc6/0x1e0 [ 938.126828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.126828][ T10] [ 938.129113][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 938.129113][ T10] netdev_get_by_index+0x5e/0x80 [ 938.129113][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.129113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.129113][ T10] ip6_route_add+0x1c/0x140 [ 938.129113][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 938.129113][ T10] addrconf_add_dev+0xe2/0x170 [ 938.129113][ T10] inet6_addr_add+0x12f/0xa40 [ 938.129113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 938.129113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.129113][ T10] netlink_rcv_skb+0x130/0x360 [ 938.129113][ T10] netlink_unicast+0x449/0x710 [ 938.129113][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.129113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.129113][ T10] ___sys_sendmsg+0xee/0x170 [ 938.129113][ T10] __sys_sendmsg+0xcd/0x170 [ 938.129113][ T10] do_syscall_64+0xc6/0x1e0 [ 938.129113][ T10] [ 938.131345][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 938.131345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 938.131345][ T10] ipv6_find_idev+0x102/0x170 [ 938.131345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.131345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.131345][ T10] netlink_rcv_skb+0x130/0x360 [ 938.131345][ T10] netlink_unicast+0x449/0x710 [ 938.131345][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.131345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.131345][ T10] ___sys_sendmsg+0xee/0x170 [ 938.131345][ T10] __sys_sendmsg+0xcd/0x170 [ 938.131345][ T10] do_syscall_64+0xc6/0x1e0 [ 938.131345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.131345][ T10] [ 938.133092][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 938.133092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 938.133092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 938.133092][ T10] ipv6_find_idev+0x102/0x170 [ 938.133092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.133092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.133092][ T10] netlink_rcv_skb+0x130/0x360 [ 938.133092][ T10] netlink_unicast+0x449/0x710 [ 938.133092][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.133092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.133092][ T10] ___sys_sendmsg+0xee/0x170 [ 938.133092][ T10] __sys_sendmsg+0xcd/0x170 [ 938.133092][ T10] do_syscall_64+0xc6/0x1e0 [ 938.133092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.133092][ T10] [ 938.135021][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 938.135332][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 938.135332][ T10] netdev_get_by_index+0x5e/0x80 [ 938.135332][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.135332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.135332][ T10] ip6_route_add+0x1c/0x140 [ 938.135332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 938.135332][ T10] inet6_addr_add+0x4f8/0xa40 [ 938.135332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 938.135332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.135332][ T10] netlink_rcv_skb+0x130/0x360 [ 938.135332][ T10] netlink_unicast+0x449/0x710 [ 938.135332][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.135332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.135332][ T10] ___sys_sendmsg+0xee/0x170 [ 938.135332][ T10] __sys_sendmsg+0xcd/0x170 [ 938.135332][ T10] do_syscall_64+0xc6/0x1e0 [ 938.135332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.135332][ T10] [ 938.137605][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 938.137605][ T10] netdev_get_by_index+0x5e/0x80 [ 938.137605][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.137605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.137605][ T10] addrconf_f6i_alloc+0x315/0x560 [ 938.137605][ T10] ipv6_add_addr+0x411/0x2000 [ 938.137605][ T10] inet6_addr_add+0x30e/0xa40 [ 938.137605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 938.137605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.137605][ T10] netlink_rcv_skb+0x130/0x360 [ 938.137605][ T10] netlink_unicast+0x449/0x710 [ 938.137605][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.137605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.137605][ T10] ___sys_sendmsg+0xee/0x170 [ 938.137605][ T10] __sys_sendmsg+0xcd/0x170 [ 938.137605][ T10] do_syscall_64+0xc6/0x1e0 [ 938.137605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.137605][ T10] [ 938.139891][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 938.139891][ T10] netdev_get_by_index+0x5e/0x80 [ 938.139891][ T10] fib6_nh_init+0x3d8/0x1580 [ 938.139891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 938.139891][ T10] ip6_route_add+0x1c/0x140 [ 938.139891][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 938.139891][ T10] addrconf_add_dev+0xe2/0x170 [ 938.139891][ T10] inet6_addr_add+0x12f/0xa40 [ 938.139891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 938.139891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.139891][ T10] netlink_rcv_skb+0x130/0x360 [ 938.139891][ T10] netlink_unicast+0x449/0x710 [ 938.139891][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.139891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.139891][ T10] ___sys_sendmsg+0xee/0x170 [ 938.139891][ T10] __sys_sendmsg+0xcd/0x170 [ 938.139891][ T10] do_syscall_64+0xc6/0x1e0 [ 938.139891][ T10] [ 938.142128][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 938.142128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 938.142128][ T10] ipv6_find_idev+0x102/0x170 [ 938.142128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.142128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.142128][ T10] netlink_rcv_skb+0x130/0x360 [ 938.142128][ T10] netlink_unicast+0x449/0x710 [ 938.142128][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.142128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.142128][ T10] ___sys_sendmsg+0xee/0x170 [ 938.142128][ T10] __sys_sendmsg+0xcd/0x170 [ 938.142128][ T10] do_syscall_64+0xc6/0x1e0 [ 938.142128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.142128][ T10] [ 938.143872][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 938.143872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 938.143872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 938.143872][ T10] ipv6_find_idev+0x102/0x170 [ 938.143872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 938.143872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.143872][ T10] netlink_rcv_skb+0x130/0x360 [ 938.143872][ T10] netlink_unicast+0x449/0x710 [ 938.143872][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.143872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.143872][ T10] ___sys_sendmsg+0xee/0x170 [ 938.143872][ T10] __sys_sendmsg+0xcd/0x170 [ 938.143872][ T10] do_syscall_64+0xc6/0x1e0 [ 938.143872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.143872][ T10] [ 938.145794][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 938.146075][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 938.146075][ T10] vlan_dev_init+0x97c/0xdd0 [ 938.146075][ T10] register_netdevice+0x4d3/0x1690 [ 938.146075][ T10] register_vlan_dev+0x162/0x4a0 [ 938.146075][ T10] vlan_newlink+0x393/0x610 [ 938.146075][ T10] rtnl_newlink_create+0x341/0x850 [ 938.146075][ T10] __rtnl_newlink+0xac9/0xd80 [ 938.146075][ T10] rtnl_newlink+0x63/0xa0 [ 938.146075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 938.146075][ T10] netlink_rcv_skb+0x130/0x360 [ 938.146075][ T10] netlink_unicast+0x449/0x710 [ 938.146075][ T10] netlink_sendmsg+0x723/0xbe0 [ 938.146075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 938.146075][ T10] ___sys_sendmsg+0xee/0x170 [ 938.146075][ T10] __sys_sendmsg+0xcd/0x170 [ 938.146075][ T10] do_syscall_64+0xc6/0x1e0 [ 938.146075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 938.146075][ T10] [ 948.388049][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 948.388581][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 948.388581][ T10] netdev_get_by_index+0x5e/0x80 [ 948.388581][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.388581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.388581][ T10] ip6_route_add+0x1c/0x140 [ 948.388581][ T10] addrconf_prefix_route+0x2a6/0x430 [ 948.388581][ T10] inet6_addr_add+0x4f8/0xa40 [ 948.388581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 948.388581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.388581][ T10] netlink_rcv_skb+0x130/0x360 [ 948.388581][ T10] netlink_unicast+0x449/0x710 [ 948.388581][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.388581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.388581][ T10] ___sys_sendmsg+0xee/0x170 [ 948.388581][ T10] __sys_sendmsg+0xcd/0x170 [ 948.388581][ T10] do_syscall_64+0xc6/0x1e0 [ 948.388581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.388581][ T10] [ 948.390881][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 948.390881][ T10] netdev_get_by_index+0x5e/0x80 [ 948.390881][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.390881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.390881][ T10] addrconf_f6i_alloc+0x315/0x560 [ 948.390881][ T10] ipv6_add_addr+0x411/0x2000 [ 948.390881][ T10] inet6_addr_add+0x30e/0xa40 [ 948.390881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 948.390881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.390881][ T10] netlink_rcv_skb+0x130/0x360 [ 948.390881][ T10] netlink_unicast+0x449/0x710 [ 948.390881][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.390881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.390881][ T10] ___sys_sendmsg+0xee/0x170 [ 948.390881][ T10] __sys_sendmsg+0xcd/0x170 [ 948.390881][ T10] do_syscall_64+0xc6/0x1e0 [ 948.390881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.390881][ T10] [ 948.393143][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 948.393143][ T10] netdev_get_by_index+0x5e/0x80 [ 948.393143][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.393143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.393143][ T10] ip6_route_add+0x1c/0x140 [ 948.393143][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 948.393143][ T10] addrconf_add_dev+0xe2/0x170 [ 948.393143][ T10] inet6_addr_add+0x12f/0xa40 [ 948.393143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 948.393143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.393143][ T10] netlink_rcv_skb+0x130/0x360 [ 948.393143][ T10] netlink_unicast+0x449/0x710 [ 948.393143][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.393143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.393143][ T10] ___sys_sendmsg+0xee/0x170 [ 948.393143][ T10] __sys_sendmsg+0xcd/0x170 [ 948.393143][ T10] do_syscall_64+0xc6/0x1e0 [ 948.393143][ T10] [ 948.395383][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 948.395383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 948.395383][ T10] ipv6_find_idev+0x102/0x170 [ 948.395383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.395383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.395383][ T10] netlink_rcv_skb+0x130/0x360 [ 948.395383][ T10] netlink_unicast+0x449/0x710 [ 948.395383][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.395383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.395383][ T10] ___sys_sendmsg+0xee/0x170 [ 948.395383][ T10] __sys_sendmsg+0xcd/0x170 [ 948.395383][ T10] do_syscall_64+0xc6/0x1e0 [ 948.395383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.395383][ T10] [ 948.397137][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 948.397137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 948.397137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 948.397137][ T10] ipv6_find_idev+0x102/0x170 [ 948.397137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.397137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.397137][ T10] netlink_rcv_skb+0x130/0x360 [ 948.397137][ T10] netlink_unicast+0x449/0x710 [ 948.397137][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.397137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.397137][ T10] ___sys_sendmsg+0xee/0x170 [ 948.397137][ T10] __sys_sendmsg+0xcd/0x170 [ 948.397137][ T10] do_syscall_64+0xc6/0x1e0 [ 948.397137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.397137][ T10] [ 948.399069][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 948.399380][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 948.399380][ T10] netdev_get_by_index+0x5e/0x80 [ 948.399380][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.399380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.399380][ T10] ip6_route_add+0x1c/0x140 [ 948.399380][ T10] addrconf_prefix_route+0x2a6/0x430 [ 948.399380][ T10] inet6_addr_add+0x4f8/0xa40 [ 948.399380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 948.399380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.399380][ T10] netlink_rcv_skb+0x130/0x360 [ 948.399380][ T10] netlink_unicast+0x449/0x710 [ 948.399380][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.399380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.399380][ T10] ___sys_sendmsg+0xee/0x170 [ 948.399380][ T10] __sys_sendmsg+0xcd/0x170 [ 948.399380][ T10] do_syscall_64+0xc6/0x1e0 [ 948.399380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.399380][ T10] [ 948.401660][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 948.401660][ T10] netdev_get_by_index+0x5e/0x80 [ 948.401660][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.401660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.401660][ T10] addrconf_f6i_alloc+0x315/0x560 [ 948.401660][ T10] ipv6_add_addr+0x411/0x2000 [ 948.401660][ T10] inet6_addr_add+0x30e/0xa40 [ 948.401660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 948.401660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.401660][ T10] netlink_rcv_skb+0x130/0x360 [ 948.401660][ T10] netlink_unicast+0x449/0x710 [ 948.401660][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.401660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.401660][ T10] ___sys_sendmsg+0xee/0x170 [ 948.401660][ T10] __sys_sendmsg+0xcd/0x170 [ 948.401660][ T10] do_syscall_64+0xc6/0x1e0 [ 948.401660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.401660][ T10] [ 948.403918][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 948.403918][ T10] netdev_get_by_index+0x5e/0x80 [ 948.403918][ T10] fib6_nh_init+0x3d8/0x1580 [ 948.403918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 948.403918][ T10] ip6_route_add+0x1c/0x140 [ 948.403918][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 948.403918][ T10] addrconf_add_dev+0xe2/0x170 [ 948.403918][ T10] inet6_addr_add+0x12f/0xa40 [ 948.403918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 948.403918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.403918][ T10] netlink_rcv_skb+0x130/0x360 [ 948.403918][ T10] netlink_unicast+0x449/0x710 [ 948.403918][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.403918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.403918][ T10] ___sys_sendmsg+0xee/0x170 [ 948.403918][ T10] __sys_sendmsg+0xcd/0x170 [ 948.403918][ T10] do_syscall_64+0xc6/0x1e0 [ 948.403918][ T10] [ 948.406150][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 948.406150][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 948.406150][ T10] ipv6_find_idev+0x102/0x170 [ 948.406150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.406150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.406150][ T10] netlink_rcv_skb+0x130/0x360 [ 948.406150][ T10] netlink_unicast+0x449/0x710 [ 948.406150][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.406150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.406150][ T10] ___sys_sendmsg+0xee/0x170 [ 948.406150][ T10] __sys_sendmsg+0xcd/0x170 [ 948.406150][ T10] do_syscall_64+0xc6/0x1e0 [ 948.406150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.406150][ T10] [ 948.407902][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 948.407902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 948.407902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 948.407902][ T10] ipv6_find_idev+0x102/0x170 [ 948.407902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 948.407902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.407902][ T10] netlink_rcv_skb+0x130/0x360 [ 948.407902][ T10] netlink_unicast+0x449/0x710 [ 948.407902][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.407902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.407902][ T10] ___sys_sendmsg+0xee/0x170 [ 948.407902][ T10] __sys_sendmsg+0xcd/0x170 [ 948.407902][ T10] do_syscall_64+0xc6/0x1e0 [ 948.407902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.407902][ T10] [ 948.409818][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 948.410095][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 948.410095][ T10] vlan_dev_init+0x97c/0xdd0 [ 948.410095][ T10] register_netdevice+0x4d3/0x1690 [ 948.410095][ T10] register_vlan_dev+0x162/0x4a0 [ 948.410095][ T10] vlan_newlink+0x393/0x610 [ 948.410095][ T10] rtnl_newlink_create+0x341/0x850 [ 948.410095][ T10] __rtnl_newlink+0xac9/0xd80 [ 948.410095][ T10] rtnl_newlink+0x63/0xa0 [ 948.410095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 948.410095][ T10] netlink_rcv_skb+0x130/0x360 [ 948.410095][ T10] netlink_unicast+0x449/0x710 [ 948.410095][ T10] netlink_sendmsg+0x723/0xbe0 [ 948.410095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 948.410095][ T10] ___sys_sendmsg+0xee/0x170 [ 948.410095][ T10] __sys_sendmsg+0xcd/0x170 [ 948.410095][ T10] do_syscall_64+0xc6/0x1e0 [ 948.410095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 948.410095][ T10] [ 958.652051][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 958.652574][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 958.652574][ T10] netdev_get_by_index+0x5e/0x80 [ 958.652574][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.652574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.652574][ T10] ip6_route_add+0x1c/0x140 [ 958.652574][ T10] addrconf_prefix_route+0x2a6/0x430 [ 958.652574][ T10] inet6_addr_add+0x4f8/0xa40 [ 958.652574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 958.652574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.652574][ T10] netlink_rcv_skb+0x130/0x360 [ 958.652574][ T10] netlink_unicast+0x449/0x710 [ 958.652574][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.652574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.652574][ T10] ___sys_sendmsg+0xee/0x170 [ 958.652574][ T10] __sys_sendmsg+0xcd/0x170 [ 958.652574][ T10] do_syscall_64+0xc6/0x1e0 [ 958.652574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.652574][ T10] [ 958.654876][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 958.654876][ T10] netdev_get_by_index+0x5e/0x80 [ 958.654876][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.654876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.654876][ T10] addrconf_f6i_alloc+0x315/0x560 [ 958.654876][ T10] ipv6_add_addr+0x411/0x2000 [ 958.654876][ T10] inet6_addr_add+0x30e/0xa40 [ 958.654876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 958.654876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.654876][ T10] netlink_rcv_skb+0x130/0x360 [ 958.654876][ T10] netlink_unicast+0x449/0x710 [ 958.654876][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.654876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.654876][ T10] ___sys_sendmsg+0xee/0x170 [ 958.654876][ T10] __sys_sendmsg+0xcd/0x170 [ 958.654876][ T10] do_syscall_64+0xc6/0x1e0 [ 958.654876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.654876][ T10] [ 958.657145][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 958.657145][ T10] netdev_get_by_index+0x5e/0x80 [ 958.657145][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.657145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.657145][ T10] ip6_route_add+0x1c/0x140 [ 958.657145][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 958.657145][ T10] addrconf_add_dev+0xe2/0x170 [ 958.657145][ T10] inet6_addr_add+0x12f/0xa40 [ 958.657145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 958.657145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.657145][ T10] netlink_rcv_skb+0x130/0x360 [ 958.657145][ T10] netlink_unicast+0x449/0x710 [ 958.657145][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.657145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.657145][ T10] ___sys_sendmsg+0xee/0x170 [ 958.657145][ T10] __sys_sendmsg+0xcd/0x170 [ 958.657145][ T10] do_syscall_64+0xc6/0x1e0 [ 958.657145][ T10] [ 958.659379][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 958.659379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 958.659379][ T10] ipv6_find_idev+0x102/0x170 [ 958.659379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.659379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.659379][ T10] netlink_rcv_skb+0x130/0x360 [ 958.659379][ T10] netlink_unicast+0x449/0x710 [ 958.659379][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.659379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.659379][ T10] ___sys_sendmsg+0xee/0x170 [ 958.659379][ T10] __sys_sendmsg+0xcd/0x170 [ 958.659379][ T10] do_syscall_64+0xc6/0x1e0 [ 958.659379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.659379][ T10] [ 958.661130][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 958.661130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 958.661130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 958.661130][ T10] ipv6_find_idev+0x102/0x170 [ 958.661130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.661130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.661130][ T10] netlink_rcv_skb+0x130/0x360 [ 958.661130][ T10] netlink_unicast+0x449/0x710 [ 958.661130][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.661130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.661130][ T10] ___sys_sendmsg+0xee/0x170 [ 958.661130][ T10] __sys_sendmsg+0xcd/0x170 [ 958.661130][ T10] do_syscall_64+0xc6/0x1e0 [ 958.661130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.661130][ T10] [ 958.663058][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 958.663373][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 958.663373][ T10] netdev_get_by_index+0x5e/0x80 [ 958.663373][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.663373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.663373][ T10] ip6_route_add+0x1c/0x140 [ 958.663373][ T10] addrconf_prefix_route+0x2a6/0x430 [ 958.663373][ T10] inet6_addr_add+0x4f8/0xa40 [ 958.663373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 958.663373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.663373][ T10] netlink_rcv_skb+0x130/0x360 [ 958.663373][ T10] netlink_unicast+0x449/0x710 [ 958.663373][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.663373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.663373][ T10] ___sys_sendmsg+0xee/0x170 [ 958.663373][ T10] __sys_sendmsg+0xcd/0x170 [ 958.663373][ T10] do_syscall_64+0xc6/0x1e0 [ 958.663373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.663373][ T10] [ 958.665629][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 958.665629][ T10] netdev_get_by_index+0x5e/0x80 [ 958.665629][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.665629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.665629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 958.665629][ T10] ipv6_add_addr+0x411/0x2000 [ 958.665629][ T10] inet6_addr_add+0x30e/0xa40 [ 958.665629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 958.665629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.665629][ T10] netlink_rcv_skb+0x130/0x360 [ 958.665629][ T10] netlink_unicast+0x449/0x710 [ 958.665629][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.665629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.665629][ T10] ___sys_sendmsg+0xee/0x170 [ 958.665629][ T10] __sys_sendmsg+0xcd/0x170 [ 958.665629][ T10] do_syscall_64+0xc6/0x1e0 [ 958.665629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.665629][ T10] [ 958.667884][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 958.667884][ T10] netdev_get_by_index+0x5e/0x80 [ 958.667884][ T10] fib6_nh_init+0x3d8/0x1580 [ 958.667884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 958.667884][ T10] ip6_route_add+0x1c/0x140 [ 958.667884][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 958.667884][ T10] addrconf_add_dev+0xe2/0x170 [ 958.667884][ T10] inet6_addr_add+0x12f/0xa40 [ 958.667884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 958.667884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.667884][ T10] netlink_rcv_skb+0x130/0x360 [ 958.667884][ T10] netlink_unicast+0x449/0x710 [ 958.667884][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.667884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.667884][ T10] ___sys_sendmsg+0xee/0x170 [ 958.667884][ T10] __sys_sendmsg+0xcd/0x170 [ 958.667884][ T10] do_syscall_64+0xc6/0x1e0 [ 958.667884][ T10] [ 958.670097][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 958.670097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 958.670097][ T10] ipv6_find_idev+0x102/0x170 [ 958.670097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.670097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.670097][ T10] netlink_rcv_skb+0x130/0x360 [ 958.670097][ T10] netlink_unicast+0x449/0x710 [ 958.670097][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.670097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.670097][ T10] ___sys_sendmsg+0xee/0x170 [ 958.670097][ T10] __sys_sendmsg+0xcd/0x170 [ 958.670097][ T10] do_syscall_64+0xc6/0x1e0 [ 958.670097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.670097][ T10] [ 958.671831][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 958.671831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 958.671831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 958.671831][ T10] ipv6_find_idev+0x102/0x170 [ 958.671831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 958.671831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.671831][ T10] netlink_rcv_skb+0x130/0x360 [ 958.671831][ T10] netlink_unicast+0x449/0x710 [ 958.671831][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.671831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.671831][ T10] ___sys_sendmsg+0xee/0x170 [ 958.671831][ T10] __sys_sendmsg+0xcd/0x170 [ 958.671831][ T10] do_syscall_64+0xc6/0x1e0 [ 958.671831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.671831][ T10] [ 958.673759][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 958.674041][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 958.674041][ T10] vlan_dev_init+0x97c/0xdd0 [ 958.674041][ T10] register_netdevice+0x4d3/0x1690 [ 958.674041][ T10] register_vlan_dev+0x162/0x4a0 [ 958.674041][ T10] vlan_newlink+0x393/0x610 [ 958.674041][ T10] rtnl_newlink_create+0x341/0x850 [ 958.674041][ T10] __rtnl_newlink+0xac9/0xd80 [ 958.674041][ T10] rtnl_newlink+0x63/0xa0 [ 958.674041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 958.674041][ T10] netlink_rcv_skb+0x130/0x360 [ 958.674041][ T10] netlink_unicast+0x449/0x710 [ 958.674041][ T10] netlink_sendmsg+0x723/0xbe0 [ 958.674041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 958.674041][ T10] ___sys_sendmsg+0xee/0x170 [ 958.674041][ T10] __sys_sendmsg+0xcd/0x170 [ 958.674041][ T10] do_syscall_64+0xc6/0x1e0 [ 958.674041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 958.674041][ T10] [ 968.915935][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 968.916435][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 968.916435][ T10] netdev_get_by_index+0x5e/0x80 [ 968.916435][ T10] fib6_nh_init+0x3d8/0x1580 [ 968.916435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 968.916435][ T10] ip6_route_add+0x1c/0x140 [ 968.916435][ T10] addrconf_prefix_route+0x2a6/0x430 [ 968.916435][ T10] inet6_addr_add+0x4f8/0xa40 [ 968.916435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 968.916435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.916435][ T10] netlink_rcv_skb+0x130/0x360 [ 968.916435][ T10] netlink_unicast+0x449/0x710 [ 968.916435][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.916435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.916435][ T10] ___sys_sendmsg+0xee/0x170 [ 968.916435][ T10] __sys_sendmsg+0xcd/0x170 [ 968.916435][ T10] do_syscall_64+0xc6/0x1e0 [ 968.916435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.916435][ T10] [ 968.918488][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 968.918488][ T10] netdev_get_by_index+0x5e/0x80 [ 968.918488][ T10] fib6_nh_init+0x3d8/0x1580 [ 968.918488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 968.918488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 968.918488][ T10] ipv6_add_addr+0x411/0x2000 [ 968.918488][ T10] inet6_addr_add+0x30e/0xa40 [ 968.918488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 968.918488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.918488][ T10] netlink_rcv_skb+0x130/0x360 [ 968.918488][ T10] netlink_unicast+0x449/0x710 [ 968.918488][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.918488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.918488][ T10] ___sys_sendmsg+0xee/0x170 [ 968.918488][ T10] __sys_sendmsg+0xcd/0x170 [ 968.918488][ T10] do_syscall_64+0xc6/0x1e0 [ 968.918488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.918488][ T10] [ 968.920502][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 968.920502][ T10] netdev_get_by_index+0x5e/0x80 [ 968.920502][ T10] fib6_nh_init+0x3d8/0x1580 [ 968.920502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 968.920502][ T10] ip6_route_add+0x1c/0x140 [ 968.920502][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 968.920502][ T10] addrconf_add_dev+0xe2/0x170 [ 968.920502][ T10] inet6_addr_add+0x12f/0xa40 [ 968.920502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 968.920502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.920502][ T10] netlink_rcv_skb+0x130/0x360 [ 968.920502][ T10] netlink_unicast+0x449/0x710 [ 968.920502][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.920502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.920502][ T10] ___sys_sendmsg+0xee/0x170 [ 968.920502][ T10] __sys_sendmsg+0xcd/0x170 [ 968.920502][ T10] do_syscall_64+0xc6/0x1e0 [ 968.920502][ T10] [ 968.922462][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 968.922462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 968.922462][ T10] ipv6_find_idev+0x102/0x170 [ 968.922462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.922462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.922462][ T10] netlink_rcv_skb+0x130/0x360 [ 968.922462][ T10] netlink_unicast+0x449/0x710 [ 968.922462][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.922462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.922462][ T10] ___sys_sendmsg+0xee/0x170 [ 968.922462][ T10] __sys_sendmsg+0xcd/0x170 [ 968.922462][ T10] do_syscall_64+0xc6/0x1e0 [ 968.922462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.922462][ T10] [ 968.924009][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 968.924009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 968.924009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 968.924009][ T10] ipv6_find_idev+0x102/0x170 [ 968.924009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.924009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.924009][ T10] netlink_rcv_skb+0x130/0x360 [ 968.924009][ T10] netlink_unicast+0x449/0x710 [ 968.924009][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.924009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.924009][ T10] ___sys_sendmsg+0xee/0x170 [ 968.924009][ T10] __sys_sendmsg+0xcd/0x170 [ 968.924009][ T10] do_syscall_64+0xc6/0x1e0 [ 968.924009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.924009][ T10] [ 968.925713][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 968.926017][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 968.926017][ T10] netdev_get_by_index+0x5e/0x80 [ 968.926017][ T10] fib6_nh_init+0x3d8/0x1580 [ 968.926017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 968.926017][ T10] ip6_route_add+0x1c/0x140 [ 968.926017][ T10] addrconf_prefix_route+0x2a6/0x430 [ 968.926017][ T10] inet6_addr_add+0x4f8/0xa40 [ 968.926017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 968.926017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.926017][ T10] netlink_rcv_skb+0x130/0x360 [ 968.926017][ T10] netlink_unicast+0x449/0x710 [ 968.926017][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.926017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.926017][ T10] ___sys_sendmsg+0xee/0x170 [ 968.926017][ T10] __sys_sendmsg+0xcd/0x170 [ 968.926017][ T10] do_syscall_64+0xc6/0x1e0 [ 968.926017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.926017][ T10] [ 968.928036][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 968.928036][ T10] netdev_get_by_index+0x5e/0x80 [ 968.928036][ T10] fib6_nh_init+0x3d8/0x1580 [ 968.928036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 968.928036][ T10] addrconf_f6i_alloc+0x315/0x560 [ 968.928036][ T10] ipv6_add_addr+0x411/0x2000 [ 968.928036][ T10] inet6_addr_add+0x30e/0xa40 [ 968.928036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 968.928036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.928036][ T10] netlink_rcv_skb+0x130/0x360 [ 968.928036][ T10] netlink_unicast+0x449/0x710 [ 968.928036][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.928036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.928036][ T10] ___sys_sendmsg+0xee/0x170 [ 968.928036][ T10] __sys_sendmsg+0xcd/0x170 [ 968.928036][ T10] do_syscall_64+0xc6/0x1e0 [ 968.928036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.928036][ T10] [ 968.930035][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 968.930035][ T10] netdev_get_by_index+0x5e/0x80 [ 968.930035][ T10] fib6_nh_init+0x3d8/0x1580 [ 968.930035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 968.930035][ T10] ip6_route_add+0x1c/0x140 [ 968.930035][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 968.930035][ T10] addrconf_add_dev+0xe2/0x170 [ 968.930035][ T10] inet6_addr_add+0x12f/0xa40 [ 968.930035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 968.930035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.930035][ T10] netlink_rcv_skb+0x130/0x360 [ 968.930035][ T10] netlink_unicast+0x449/0x710 [ 968.930035][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.930035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.930035][ T10] ___sys_sendmsg+0xee/0x170 [ 968.930035][ T10] __sys_sendmsg+0xcd/0x170 [ 968.930035][ T10] do_syscall_64+0xc6/0x1e0 [ 968.930035][ T10] [ 968.932002][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 968.932002][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 968.932002][ T10] ipv6_find_idev+0x102/0x170 [ 968.932002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.932002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.932002][ T10] netlink_rcv_skb+0x130/0x360 [ 968.932002][ T10] netlink_unicast+0x449/0x710 [ 968.932002][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.932002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.932002][ T10] ___sys_sendmsg+0xee/0x170 [ 968.932002][ T10] __sys_sendmsg+0xcd/0x170 [ 968.932002][ T10] do_syscall_64+0xc6/0x1e0 [ 968.932002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.932002][ T10] [ 968.933535][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 968.933535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 968.933535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 968.933535][ T10] ipv6_find_idev+0x102/0x170 [ 968.933535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 968.933535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.933535][ T10] netlink_rcv_skb+0x130/0x360 [ 968.933535][ T10] netlink_unicast+0x449/0x710 [ 968.933535][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.933535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.933535][ T10] ___sys_sendmsg+0xee/0x170 [ 968.933535][ T10] __sys_sendmsg+0xcd/0x170 [ 968.933535][ T10] do_syscall_64+0xc6/0x1e0 [ 968.933535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.933535][ T10] [ 968.935226][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 968.935477][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 968.935477][ T10] vlan_dev_init+0x97c/0xdd0 [ 968.935477][ T10] register_netdevice+0x4d3/0x1690 [ 968.935477][ T10] register_vlan_dev+0x162/0x4a0 [ 968.935477][ T10] vlan_newlink+0x393/0x610 [ 968.935477][ T10] rtnl_newlink_create+0x341/0x850 [ 968.935477][ T10] __rtnl_newlink+0xac9/0xd80 [ 968.935477][ T10] rtnl_newlink+0x63/0xa0 [ 968.935477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 968.935477][ T10] netlink_rcv_skb+0x130/0x360 [ 968.935477][ T10] netlink_unicast+0x449/0x710 [ 968.935477][ T10] netlink_sendmsg+0x723/0xbe0 [ 968.935477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 968.935477][ T10] ___sys_sendmsg+0xee/0x170 [ 968.935477][ T10] __sys_sendmsg+0xcd/0x170 [ 968.935477][ T10] do_syscall_64+0xc6/0x1e0 [ 968.935477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 968.935477][ T10] [ 978.979936][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 978.980401][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 978.980401][ T10] netdev_get_by_index+0x5e/0x80 [ 978.980401][ T10] fib6_nh_init+0x3d8/0x1580 [ 978.980401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 978.980401][ T10] ip6_route_add+0x1c/0x140 [ 978.980401][ T10] addrconf_prefix_route+0x2a6/0x430 [ 978.980401][ T10] inet6_addr_add+0x4f8/0xa40 [ 978.980401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 978.980401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.980401][ T10] netlink_rcv_skb+0x130/0x360 [ 978.980401][ T10] netlink_unicast+0x449/0x710 [ 978.980401][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.980401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.980401][ T10] ___sys_sendmsg+0xee/0x170 [ 978.980401][ T10] __sys_sendmsg+0xcd/0x170 [ 978.980401][ T10] do_syscall_64+0xc6/0x1e0 [ 978.980401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.980401][ T10] [ 978.982428][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 978.982428][ T10] netdev_get_by_index+0x5e/0x80 [ 978.982428][ T10] fib6_nh_init+0x3d8/0x1580 [ 978.982428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 978.982428][ T10] addrconf_f6i_alloc+0x315/0x560 [ 978.982428][ T10] ipv6_add_addr+0x411/0x2000 [ 978.982428][ T10] inet6_addr_add+0x30e/0xa40 [ 978.982428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 978.982428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.982428][ T10] netlink_rcv_skb+0x130/0x360 [ 978.982428][ T10] netlink_unicast+0x449/0x710 [ 978.982428][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.982428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.982428][ T10] ___sys_sendmsg+0xee/0x170 [ 978.982428][ T10] __sys_sendmsg+0xcd/0x170 [ 978.982428][ T10] do_syscall_64+0xc6/0x1e0 [ 978.982428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.982428][ T10] [ 978.984437][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 978.984437][ T10] netdev_get_by_index+0x5e/0x80 [ 978.984437][ T10] fib6_nh_init+0x3d8/0x1580 [ 978.984437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 978.984437][ T10] ip6_route_add+0x1c/0x140 [ 978.984437][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 978.984437][ T10] addrconf_add_dev+0xe2/0x170 [ 978.984437][ T10] inet6_addr_add+0x12f/0xa40 [ 978.984437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 978.984437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.984437][ T10] netlink_rcv_skb+0x130/0x360 [ 978.984437][ T10] netlink_unicast+0x449/0x710 [ 978.984437][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.984437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.984437][ T10] ___sys_sendmsg+0xee/0x170 [ 978.984437][ T10] __sys_sendmsg+0xcd/0x170 [ 978.984437][ T10] do_syscall_64+0xc6/0x1e0 [ 978.984437][ T10] [ 978.986418][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 978.986418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 978.986418][ T10] ipv6_find_idev+0x102/0x170 [ 978.986418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.986418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.986418][ T10] netlink_rcv_skb+0x130/0x360 [ 978.986418][ T10] netlink_unicast+0x449/0x710 [ 978.986418][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.986418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.986418][ T10] ___sys_sendmsg+0xee/0x170 [ 978.986418][ T10] __sys_sendmsg+0xcd/0x170 [ 978.986418][ T10] do_syscall_64+0xc6/0x1e0 [ 978.986418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.986418][ T10] [ 978.987979][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 978.987979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 978.987979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 978.987979][ T10] ipv6_find_idev+0x102/0x170 [ 978.987979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.987979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.987979][ T10] netlink_rcv_skb+0x130/0x360 [ 978.987979][ T10] netlink_unicast+0x449/0x710 [ 978.987979][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.987979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.987979][ T10] ___sys_sendmsg+0xee/0x170 [ 978.987979][ T10] __sys_sendmsg+0xcd/0x170 [ 978.987979][ T10] do_syscall_64+0xc6/0x1e0 [ 978.987979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.987979][ T10] [ 978.989677][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 978.989968][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 978.989968][ T10] netdev_get_by_index+0x5e/0x80 [ 978.989968][ T10] fib6_nh_init+0x3d8/0x1580 [ 978.989968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 978.989968][ T10] ip6_route_add+0x1c/0x140 [ 978.989968][ T10] addrconf_prefix_route+0x2a6/0x430 [ 978.989968][ T10] inet6_addr_add+0x4f8/0xa40 [ 978.989968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 978.989968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.989968][ T10] netlink_rcv_skb+0x130/0x360 [ 978.989968][ T10] netlink_unicast+0x449/0x710 [ 978.989968][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.989968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.989968][ T10] ___sys_sendmsg+0xee/0x170 [ 978.989968][ T10] __sys_sendmsg+0xcd/0x170 [ 978.989968][ T10] do_syscall_64+0xc6/0x1e0 [ 978.989968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.989968][ T10] [ 978.991969][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 978.991969][ T10] netdev_get_by_index+0x5e/0x80 [ 978.991969][ T10] fib6_nh_init+0x3d8/0x1580 [ 978.991969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 978.991969][ T10] addrconf_f6i_alloc+0x315/0x560 [ 978.991969][ T10] ipv6_add_addr+0x411/0x2000 [ 978.991969][ T10] inet6_addr_add+0x30e/0xa40 [ 978.991969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 978.991969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.991969][ T10] netlink_rcv_skb+0x130/0x360 [ 978.991969][ T10] netlink_unicast+0x449/0x710 [ 978.991969][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.991969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.991969][ T10] ___sys_sendmsg+0xee/0x170 [ 978.991969][ T10] __sys_sendmsg+0xcd/0x170 [ 978.991969][ T10] do_syscall_64+0xc6/0x1e0 [ 978.991969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.991969][ T10] [ 978.993971][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 978.993971][ T10] netdev_get_by_index+0x5e/0x80 [ 978.993971][ T10] fib6_nh_init+0x3d8/0x1580 [ 978.993971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 978.993971][ T10] ip6_route_add+0x1c/0x140 [ 978.993971][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 978.993971][ T10] addrconf_add_dev+0xe2/0x170 [ 978.993971][ T10] inet6_addr_add+0x12f/0xa40 [ 978.993971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 978.993971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.993971][ T10] netlink_rcv_skb+0x130/0x360 [ 978.993971][ T10] netlink_unicast+0x449/0x710 [ 978.993971][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.993971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.993971][ T10] ___sys_sendmsg+0xee/0x170 [ 978.993971][ T10] __sys_sendmsg+0xcd/0x170 [ 978.993971][ T10] do_syscall_64+0xc6/0x1e0 [ 978.993971][ T10] [ 978.995936][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 978.995936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 978.995936][ T10] ipv6_find_idev+0x102/0x170 [ 978.995936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.995936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.995936][ T10] netlink_rcv_skb+0x130/0x360 [ 978.995936][ T10] netlink_unicast+0x449/0x710 [ 978.995936][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.995936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.995936][ T10] ___sys_sendmsg+0xee/0x170 [ 978.995936][ T10] __sys_sendmsg+0xcd/0x170 [ 978.995936][ T10] do_syscall_64+0xc6/0x1e0 [ 978.995936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.995936][ T10] [ 978.997478][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 978.997478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 978.997478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 978.997478][ T10] ipv6_find_idev+0x102/0x170 [ 978.997478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 978.997478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.997478][ T10] netlink_rcv_skb+0x130/0x360 [ 978.997478][ T10] netlink_unicast+0x449/0x710 [ 978.997478][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.997478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.997478][ T10] ___sys_sendmsg+0xee/0x170 [ 978.997478][ T10] __sys_sendmsg+0xcd/0x170 [ 978.997478][ T10] do_syscall_64+0xc6/0x1e0 [ 978.997478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.997478][ T10] [ 978.999170][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 978.999414][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 978.999414][ T10] vlan_dev_init+0x97c/0xdd0 [ 978.999414][ T10] register_netdevice+0x4d3/0x1690 [ 978.999414][ T10] register_vlan_dev+0x162/0x4a0 [ 978.999414][ T10] vlan_newlink+0x393/0x610 [ 978.999414][ T10] rtnl_newlink_create+0x341/0x850 [ 978.999414][ T10] __rtnl_newlink+0xac9/0xd80 [ 978.999414][ T10] rtnl_newlink+0x63/0xa0 [ 978.999414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 978.999414][ T10] netlink_rcv_skb+0x130/0x360 [ 978.999414][ T10] netlink_unicast+0x449/0x710 [ 978.999414][ T10] netlink_sendmsg+0x723/0xbe0 [ 978.999414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 978.999414][ T10] ___sys_sendmsg+0xee/0x170 [ 978.999414][ T10] __sys_sendmsg+0xcd/0x170 [ 978.999414][ T10] do_syscall_64+0xc6/0x1e0 [ 978.999414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 978.999414][ T10] [ 984.363965][ T42] INFO: task modprobe:3829 blocked for more than 491 seconds. [ 984.364320][ T42] Not tainted 6.8.0-virtme #1 [ 984.364438][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.364642][ T42] task:modprobe state:D stack:25648 pid:3829 tgid:3829 ppid:59 flags:0x00004002 [ 984.365033][ T42] Call Trace: [ 984.365133][ T42] [ 984.365210][ T42] __schedule+0x705/0x1ac0 [ 984.365350][ T42] ? __pfx___schedule+0x10/0x10 [ 984.365487][ T42] ? schedule+0x1a5/0x210 [ 984.365589][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 984.365724][ T42] ? mark_lock+0x38/0x3e0 [ 984.365822][ T42] ? do_raw_spin_lock+0x131/0x270 [ 984.365976][ T42] ? schedule+0x1a5/0x210 [ 984.366082][ T42] schedule+0xdf/0x210 [ 984.366181][ T42] schedule_preempt_disabled+0x15/0x30 [ 984.366309][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 984.366443][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 984.366614][ T42] ? kasan_save_stack+0x34/0x50 [ 984.366742][ T42] ? kasan_save_stack+0x24/0x50 [ 984.366872][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 984.367027][ T42] ? lock_acquire+0x1c1/0x220 [ 984.367158][ T42] ? register_pernet_subsys+0x1a/0x50 [ 984.367294][ T42] down_write+0x1c9/0x200 [ 984.367393][ T42] ? __pfx_down_write+0x10/0x10 [ 984.367526][ T42] ? __pfx___lock_release+0x10/0x10 [ 984.367670][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 984.367899][ T42] register_pernet_subsys+0x1a/0x50 [ 984.368028][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 984.368221][ T42] do_one_initcall+0xc8/0x3f0 [ 984.368354][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 984.368494][ T42] ? __create_object+0x5e/0xb0 [ 984.368626][ T42] ? kasan_unpoison+0x27/0x60 [ 984.368763][ T42] do_init_module+0x233/0x740 [ 984.368927][ T42] load_module+0x16b5/0x2350 [ 984.369072][ T42] ? __pfx_load_module+0x10/0x10 [ 984.369200][ T42] ? kernel_read_file+0x3d2/0x520 [ 984.369339][ T42] ? kernel_read_file+0x300/0x520 [ 984.369476][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 984.369617][ T42] ? init_module_from_file+0xd2/0x130 [ 984.369744][ T42] init_module_from_file+0xd2/0x130 [ 984.369871][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 984.370043][ T42] ? __lock_release+0x103/0x460 [ 984.370172][ T42] ? idempotent_init_module+0x32a/0x620 [ 984.370311][ T42] ? idempotent_init_module+0x32a/0x620 [ 984.370458][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 984.370591][ T42] idempotent_init_module+0x342/0x620 [ 984.370724][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 984.370916][ T42] __x64_sys_finit_module+0xbe/0x130 [ 984.371047][ T42] do_syscall_64+0xc6/0x1e0 [ 984.371179][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 984.371342][ T42] RIP: 0033:0x7fab981a1e5d [ 984.371485][ T42] RSP: 002b:00007ffe70d7a428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 984.371678][ T42] RAX: ffffffffffffffda RBX: 0000555e1943ce90 RCX: 00007fab981a1e5d [ 984.371868][ T42] RDX: 0000000000000000 RSI: 0000555deb69da2a RDI: 0000000000000001 [ 984.372072][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555e1943d4f0 [ 984.372269][ T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555deb69da2a [ 984.372469][ T42] R13: 0000555e1943ce40 R14: 0000555e1943d570 R15: 0000000000000000 [ 984.372673][ T42] [ 984.372771][ T42] [ 984.372771][ T42] Showing all locks held in the system: [ 984.372981][ T42] 3 locks held by kworker/u16:0/10: [ 984.373107][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 984.373364][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 984.373606][ T42] #2: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 984.374087][ T42] 1 lock held by khungtaskd/42: [ 984.374213][ T42] #0: ffffffffb5b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 984.374445][ T42] 2 locks held by kworker/u18:1/59: [ 984.374576][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 984.374850][ T42] #1: ffffc90000407da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 984.375149][ T42] 1 lock held by modprobe/3829: [ 984.375272][ T42] #0: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 984.375532][ T42] [ 984.375596][ T42] ============================================= [ 984.375596][ T42] [ 989.004017][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 989.004553][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 989.004553][ T10] netdev_get_by_index+0x5e/0x80 [ 989.004553][ T10] fib6_nh_init+0x3d8/0x1580 [ 989.004553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 989.004553][ T10] ip6_route_add+0x1c/0x140 [ 989.004553][ T10] addrconf_prefix_route+0x2a6/0x430 [ 989.004553][ T10] inet6_addr_add+0x4f8/0xa40 [ 989.004553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 989.004553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.004553][ T10] netlink_rcv_skb+0x130/0x360 [ 989.004553][ T10] netlink_unicast+0x449/0x710 [ 989.004553][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.004553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.004553][ T10] ___sys_sendmsg+0xee/0x170 [ 989.004553][ T10] __sys_sendmsg+0xcd/0x170 [ 989.004553][ T10] do_syscall_64+0xc6/0x1e0 [ 989.004553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 989.004553][ T10] [ 989.006927][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 989.006927][ T10] netdev_get_by_index+0x5e/0x80 [ 989.006927][ T10] fib6_nh_init+0x3d8/0x1580 [ 989.006927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 989.006927][ T10] addrconf_f6i_alloc+0x315/0x560 [ 989.006927][ T10] ipv6_add_addr+0x411/0x2000 [ 989.006927][ T10] inet6_addr_add+0x30e/0xa40 [ 989.006927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 989.006927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.006927][ T10] netlink_rcv_skb+0x130/0x360 [ 989.006927][ T10] netlink_unicast+0x449/0x710 [ 989.006927][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.006927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.006927][ T10] ___sys_sendmsg+0xee/0x170 [ 989.006927][ T10] __sys_sendmsg+0xcd/0x170 [ 989.006927][ T10] do_syscall_64+0xc6/0x1e0 [ 989.006927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 989.006927][ T10] [ 989.009282][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 989.009282][ T10] netdev_get_by_index+0x5e/0x80 [ 989.009282][ T10] fib6_nh_init+0x3d8/0x1580 [ 989.009282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 989.009282][ T10] ip6_route_add+0x1c/0x140 [ 989.009282][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 989.009282][ T10] addrconf_add_dev+0xe2/0x170 [ 989.009282][ T10] inet6_addr_add+0x12f/0xa40 [ 989.009282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 989.009282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.009282][ T10] netlink_rcv_skb+0x130/0x360 [ 989.009282][ T10] netlink_unicast+0x449/0x710 [ 989.009282][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.009282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.009282][ T10] ___sys_sendmsg+0xee/0x170 [ 989.009282][ T10] __sys_sendmsg+0xcd/0x170 [ 989.009282][ T10] do_syscall_64+0xc6/0x1e0 [ 989.009282][ T10] [ 989.011575][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 989.011575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 989.011575][ T10] ipv6_find_idev+0x102/0x170 [ 989.011575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 989.011575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.011575][ T10] netlink_rcv_skb+0x130/0x360 [ 989.011575][ T10] netlink_unicast+0x449/0x710 [ 989.011575][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.011575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.011575][ T10] ___sys_sendmsg+0xee/0x170 [ 989.011575][ T10] __sys_sendmsg+0xcd/0x170 [ 989.011575][ T10] do_syscall_64+0xc6/0x1e0 [ 989.011575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 989.011575][ T10] [ 989.013378][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 989.013378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 989.013378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 989.013378][ T10] ipv6_find_idev+0x102/0x170 [ 989.013378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 989.013378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.013378][ T10] netlink_rcv_skb+0x130/0x360 [ 989.013378][ T10] netlink_unicast+0x449/0x710 [ 989.013378][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.013378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.013378][ T10] ___sys_sendmsg+0xee/0x170 [ 989.013378][ T10] __sys_sendmsg+0xcd/0x170 [ 989.013378][ T10] do_syscall_64+0xc6/0x1e0 [ 989.013378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 989.013378][ T10] [ 989.015350][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 989.015663][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 989.015663][ T10] netdev_get_by_index+0x5e/0x80 [ 989.015663][ T10] fib6_nh_init+0x3d8/0x1580 [ 989.015663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 989.015663][ T10] ip6_route_add+0x1c/0x140 [ 989.015663][ T10] addrconf_prefix_route+0x2a6/0x430 [ 989.015663][ T10] inet6_addr_add+0x4f8/0xa40 [ 989.015663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 989.015663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.015663][ T10] netlink_rcv_skb+0x130/0x360 [ 989.015663][ T10] netlink_unicast+0x449/0x710 [ 989.015663][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.015663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.015663][ T10] ___sys_sendmsg+0xee/0x170 [ 989.015663][ T10] __sys_sendmsg+0xcd/0x170 [ 989.015663][ T10] do_syscall_64+0xc6/0x1e0 [ 989.015663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 989.015663][ T10] [ 989.018015][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 989.018015][ T10] netdev_get_by_index+0x5e/0x80 [ 989.018015][ T10] fib6_nh_init+0x3d8/0x1580 [ 989.018015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 989.018015][ T10] addrconf_f6i_alloc+0x315/0x560 [ 989.018015][ T10] ipv6_add_addr+0x411/0x2000 [ 989.018015][ T10] inet6_addr_add+0x30e/0xa40 [ 989.018015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 989.018015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.018015][ T10] netlink_rcv_skb+0x130/0x360 [ 989.018015][ T10] netlink_unicast+0x449/0x710 [ 989.018015][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.018015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.018015][ T10] ___sys_sendmsg+0xee/0x170 [ 989.018015][ T10] __sys_sendmsg+0xcd/0x170 [ 989.018015][ T10] do_syscall_64+0xc6/0x1e0 [ 989.018015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 989.018015][ T10] [ 989.020354][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 989.020354][ T10] netdev_get_by_index+0x5e/0x80 [ 989.020354][ T10] fib6_nh_init+0x3d8/0x1580 [ 989.020354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 989.020354][ T10] ip6_route_add+0x1c/0x140 [ 989.020354][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 989.020354][ T10] addrconf_add_dev+0xe2/0x170 [ 989.020354][ T10] inet6_addr_add+0x12f/0xa40 [ 989.020354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 989.020354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.020354][ T10] netlink_rcv_skb+0x130/0x360 [ 989.020354][ T10] netlink_unicast+0x449/0x710 [ 989.020354][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.020354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.020354][ T10] ___sys_sendmsg+0xee/0x170 [ 989.020354][ T10] __sys_sendmsg+0xcd/0x170 [ 989.020354][ T10] do_syscall_64+0xc6/0x1e0 [ 989.020354][ T10] [ 989.022665][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 989.022665][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 989.022665][ T10] ipv6_find_idev+0x102/0x170 [ 989.022665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 989.022665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.022665][ T10] netlink_rcv_skb+0x130/0x360 [ 989.022665][ T10] netlink_unicast+0x449/0x710 [ 989.022665][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.022665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.022665][ T10] ___sys_sendmsg+0xee/0x170 [ 989.022665][ T10] __sys_sendmsg+0xcd/0x170 [ 989.022665][ T10] do_syscall_64+0xc6/0x1e0 [ 989.022665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 989.022665][ T10] [ 989.024469][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 989.024469][ T10] neigh_parms_alloc+0x1e5/0x510 [ 989.024469][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 989.024469][ T10] ipv6_find_idev+0x102/0x170 [ 989.024469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 989.024469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.024469][ T10] netlink_rcv_skb+0x130/0x360 [ 989.024469][ T10] netlink_unicast+0x449/0x710 [ 989.024469][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.024469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.024469][ T10] ___sys_sendmsg+0xee/0x170 [ 989.024469][ T10] __sys_sendmsg+0xcd/0x170 [ 989.024469][ T10] do_syscall_64+0xc6/0x1e0 [ 989.024469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 989.024469][ T10] [ 989.026434][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 989.026712][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 989.026712][ T10] vlan_dev_init+0x97c/0xdd0 [ 989.026712][ T10] register_netdevice+0x4d3/0x1690 [ 989.026712][ T10] register_vlan_dev+0x162/0x4a0 [ 989.026712][ T10] vlan_newlink+0x393/0x610 [ 989.026712][ T10] rtnl_newlink_create+0x341/0x850 [ 989.026712][ T10] __rtnl_newlink+0xac9/0xd80 [ 989.026712][ T10] rtnl_newlink+0x63/0xa0 [ 989.026712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 989.026712][ T10] netlink_rcv_skb+0x130/0x360 [ 989.026712][ T10] netlink_unicast+0x449/0x710 [ 989.026712][ T10] netlink_sendmsg+0x723/0xbe0 [ 989.026712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 989.026712][ T10] ___sys_sendmsg+0xee/0x170 [ 989.026712][ T10] __sys_sendmsg+0xcd/0x170 [ 989.026712][ T10] do_syscall_64+0xc6/0x1e0 [ 989.026712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 989.026712][ T10] [ 999.268010][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 999.268519][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 999.268519][ T10] netdev_get_by_index+0x5e/0x80 [ 999.268519][ T10] fib6_nh_init+0x3d8/0x1580 [ 999.268519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 999.268519][ T10] ip6_route_add+0x1c/0x140 [ 999.268519][ T10] addrconf_prefix_route+0x2a6/0x430 [ 999.268519][ T10] inet6_addr_add+0x4f8/0xa40 [ 999.268519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 999.268519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.268519][ T10] netlink_rcv_skb+0x130/0x360 [ 999.268519][ T10] netlink_unicast+0x449/0x710 [ 999.268519][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.268519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.268519][ T10] ___sys_sendmsg+0xee/0x170 [ 999.268519][ T10] __sys_sendmsg+0xcd/0x170 [ 999.268519][ T10] do_syscall_64+0xc6/0x1e0 [ 999.268519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.268519][ T10] [ 999.270561][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 999.270561][ T10] netdev_get_by_index+0x5e/0x80 [ 999.270561][ T10] fib6_nh_init+0x3d8/0x1580 [ 999.270561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 999.270561][ T10] addrconf_f6i_alloc+0x315/0x560 [ 999.270561][ T10] ipv6_add_addr+0x411/0x2000 [ 999.270561][ T10] inet6_addr_add+0x30e/0xa40 [ 999.270561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 999.270561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.270561][ T10] netlink_rcv_skb+0x130/0x360 [ 999.270561][ T10] netlink_unicast+0x449/0x710 [ 999.270561][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.270561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.270561][ T10] ___sys_sendmsg+0xee/0x170 [ 999.270561][ T10] __sys_sendmsg+0xcd/0x170 [ 999.270561][ T10] do_syscall_64+0xc6/0x1e0 [ 999.270561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.270561][ T10] [ 999.272591][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 999.272591][ T10] netdev_get_by_index+0x5e/0x80 [ 999.272591][ T10] fib6_nh_init+0x3d8/0x1580 [ 999.272591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 999.272591][ T10] ip6_route_add+0x1c/0x140 [ 999.272591][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 999.272591][ T10] addrconf_add_dev+0xe2/0x170 [ 999.272591][ T10] inet6_addr_add+0x12f/0xa40 [ 999.272591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 999.272591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.272591][ T10] netlink_rcv_skb+0x130/0x360 [ 999.272591][ T10] netlink_unicast+0x449/0x710 [ 999.272591][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.272591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.272591][ T10] ___sys_sendmsg+0xee/0x170 [ 999.272591][ T10] __sys_sendmsg+0xcd/0x170 [ 999.272591][ T10] do_syscall_64+0xc6/0x1e0 [ 999.272591][ T10] [ 999.274578][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 999.274578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 999.274578][ T10] ipv6_find_idev+0x102/0x170 [ 999.274578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.274578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.274578][ T10] netlink_rcv_skb+0x130/0x360 [ 999.274578][ T10] netlink_unicast+0x449/0x710 [ 999.274578][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.274578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.274578][ T10] ___sys_sendmsg+0xee/0x170 [ 999.274578][ T10] __sys_sendmsg+0xcd/0x170 [ 999.274578][ T10] do_syscall_64+0xc6/0x1e0 [ 999.274578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.274578][ T10] [ 999.276143][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 999.276143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 999.276143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 999.276143][ T10] ipv6_find_idev+0x102/0x170 [ 999.276143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.276143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.276143][ T10] netlink_rcv_skb+0x130/0x360 [ 999.276143][ T10] netlink_unicast+0x449/0x710 [ 999.276143][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.276143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.276143][ T10] ___sys_sendmsg+0xee/0x170 [ 999.276143][ T10] __sys_sendmsg+0xcd/0x170 [ 999.276143][ T10] do_syscall_64+0xc6/0x1e0 [ 999.276143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.276143][ T10] [ 999.277921][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 999.278208][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 999.278208][ T10] netdev_get_by_index+0x5e/0x80 [ 999.278208][ T10] fib6_nh_init+0x3d8/0x1580 [ 999.278208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 999.278208][ T10] ip6_route_add+0x1c/0x140 [ 999.278208][ T10] addrconf_prefix_route+0x2a6/0x430 [ 999.278208][ T10] inet6_addr_add+0x4f8/0xa40 [ 999.278208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 999.278208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.278208][ T10] netlink_rcv_skb+0x130/0x360 [ 999.278208][ T10] netlink_unicast+0x449/0x710 [ 999.278208][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.278208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.278208][ T10] ___sys_sendmsg+0xee/0x170 [ 999.278208][ T10] __sys_sendmsg+0xcd/0x170 [ 999.278208][ T10] do_syscall_64+0xc6/0x1e0 [ 999.278208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.278208][ T10] [ 999.280242][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 999.280242][ T10] netdev_get_by_index+0x5e/0x80 [ 999.280242][ T10] fib6_nh_init+0x3d8/0x1580 [ 999.280242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 999.280242][ T10] addrconf_f6i_alloc+0x315/0x560 [ 999.280242][ T10] ipv6_add_addr+0x411/0x2000 [ 999.280242][ T10] inet6_addr_add+0x30e/0xa40 [ 999.280242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 999.280242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.280242][ T10] netlink_rcv_skb+0x130/0x360 [ 999.280242][ T10] netlink_unicast+0x449/0x710 [ 999.280242][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.280242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.280242][ T10] ___sys_sendmsg+0xee/0x170 [ 999.280242][ T10] __sys_sendmsg+0xcd/0x170 [ 999.280242][ T10] do_syscall_64+0xc6/0x1e0 [ 999.280242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.280242][ T10] [ 999.282265][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 999.282265][ T10] netdev_get_by_index+0x5e/0x80 [ 999.282265][ T10] fib6_nh_init+0x3d8/0x1580 [ 999.282265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 999.282265][ T10] ip6_route_add+0x1c/0x140 [ 999.282265][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 999.282265][ T10] addrconf_add_dev+0xe2/0x170 [ 999.282265][ T10] inet6_addr_add+0x12f/0xa40 [ 999.282265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 999.282265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.282265][ T10] netlink_rcv_skb+0x130/0x360 [ 999.282265][ T10] netlink_unicast+0x449/0x710 [ 999.282265][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.282265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.282265][ T10] ___sys_sendmsg+0xee/0x170 [ 999.282265][ T10] __sys_sendmsg+0xcd/0x170 [ 999.282265][ T10] do_syscall_64+0xc6/0x1e0 [ 999.282265][ T10] [ 999.284264][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 999.284264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 999.284264][ T10] ipv6_find_idev+0x102/0x170 [ 999.284264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.284264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.284264][ T10] netlink_rcv_skb+0x130/0x360 [ 999.284264][ T10] netlink_unicast+0x449/0x710 [ 999.284264][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.284264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.284264][ T10] ___sys_sendmsg+0xee/0x170 [ 999.284264][ T10] __sys_sendmsg+0xcd/0x170 [ 999.284264][ T10] do_syscall_64+0xc6/0x1e0 [ 999.284264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.284264][ T10] [ 999.285824][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 999.285824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 999.285824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 999.285824][ T10] ipv6_find_idev+0x102/0x170 [ 999.285824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 999.285824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.285824][ T10] netlink_rcv_skb+0x130/0x360 [ 999.285824][ T10] netlink_unicast+0x449/0x710 [ 999.285824][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.285824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.285824][ T10] ___sys_sendmsg+0xee/0x170 [ 999.285824][ T10] __sys_sendmsg+0xcd/0x170 [ 999.285824][ T10] do_syscall_64+0xc6/0x1e0 [ 999.285824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.285824][ T10] [ 999.287523][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 999.287792][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 999.287792][ T10] vlan_dev_init+0x97c/0xdd0 [ 999.287792][ T10] register_netdevice+0x4d3/0x1690 [ 999.287792][ T10] register_vlan_dev+0x162/0x4a0 [ 999.287792][ T10] vlan_newlink+0x393/0x610 [ 999.287792][ T10] rtnl_newlink_create+0x341/0x850 [ 999.287792][ T10] __rtnl_newlink+0xac9/0xd80 [ 999.287792][ T10] rtnl_newlink+0x63/0xa0 [ 999.287792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 999.287792][ T10] netlink_rcv_skb+0x130/0x360 [ 999.287792][ T10] netlink_unicast+0x449/0x710 [ 999.287792][ T10] netlink_sendmsg+0x723/0xbe0 [ 999.287792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 999.287792][ T10] ___sys_sendmsg+0xee/0x170 [ 999.287792][ T10] __sys_sendmsg+0xcd/0x170 [ 999.287792][ T10] do_syscall_64+0xc6/0x1e0 [ 999.287792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 999.287792][ T10] [ 1009.524002][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1009.524473][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1009.524473][ T10] netdev_get_by_index+0x5e/0x80 [ 1009.524473][ T10] fib6_nh_init+0x3d8/0x1580 [ 1009.524473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1009.524473][ T10] ip6_route_add+0x1c/0x140 [ 1009.524473][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1009.524473][ T10] inet6_addr_add+0x4f8/0xa40 [ 1009.524473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.524473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.524473][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.524473][ T10] netlink_unicast+0x449/0x710 [ 1009.524473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.524473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.524473][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.524473][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.524473][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.524473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.524473][ T10] [ 1009.526558][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1009.526558][ T10] netdev_get_by_index+0x5e/0x80 [ 1009.526558][ T10] fib6_nh_init+0x3d8/0x1580 [ 1009.526558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1009.526558][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1009.526558][ T10] ipv6_add_addr+0x411/0x2000 [ 1009.526558][ T10] inet6_addr_add+0x30e/0xa40 [ 1009.526558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.526558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.526558][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.526558][ T10] netlink_unicast+0x449/0x710 [ 1009.526558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.526558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.526558][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.526558][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.526558][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.526558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.526558][ T10] [ 1009.528590][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1009.528590][ T10] netdev_get_by_index+0x5e/0x80 [ 1009.528590][ T10] fib6_nh_init+0x3d8/0x1580 [ 1009.528590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1009.528590][ T10] ip6_route_add+0x1c/0x140 [ 1009.528590][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1009.528590][ T10] addrconf_add_dev+0xe2/0x170 [ 1009.528590][ T10] inet6_addr_add+0x12f/0xa40 [ 1009.528590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.528590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.528590][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.528590][ T10] netlink_unicast+0x449/0x710 [ 1009.528590][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.528590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.528590][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.528590][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.528590][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.528590][ T10] [ 1009.530579][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1009.530579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1009.530579][ T10] ipv6_find_idev+0x102/0x170 [ 1009.530579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.530579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.530579][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.530579][ T10] netlink_unicast+0x449/0x710 [ 1009.530579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.530579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.530579][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.530579][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.530579][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.530579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.530579][ T10] [ 1009.532140][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1009.532140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1009.532140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1009.532140][ T10] ipv6_find_idev+0x102/0x170 [ 1009.532140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.532140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.532140][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.532140][ T10] netlink_unicast+0x449/0x710 [ 1009.532140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.532140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.532140][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.532140][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.532140][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.532140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.532140][ T10] [ 1009.533870][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1009.534159][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1009.534159][ T10] netdev_get_by_index+0x5e/0x80 [ 1009.534159][ T10] fib6_nh_init+0x3d8/0x1580 [ 1009.534159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1009.534159][ T10] ip6_route_add+0x1c/0x140 [ 1009.534159][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1009.534159][ T10] inet6_addr_add+0x4f8/0xa40 [ 1009.534159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.534159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.534159][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.534159][ T10] netlink_unicast+0x449/0x710 [ 1009.534159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.534159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.534159][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.534159][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.534159][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.534159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.534159][ T10] [ 1009.536188][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1009.536188][ T10] netdev_get_by_index+0x5e/0x80 [ 1009.536188][ T10] fib6_nh_init+0x3d8/0x1580 [ 1009.536188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1009.536188][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1009.536188][ T10] ipv6_add_addr+0x411/0x2000 [ 1009.536188][ T10] inet6_addr_add+0x30e/0xa40 [ 1009.536188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.536188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.536188][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.536188][ T10] netlink_unicast+0x449/0x710 [ 1009.536188][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.536188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.536188][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.536188][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.536188][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.536188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.536188][ T10] [ 1009.538214][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1009.538214][ T10] netdev_get_by_index+0x5e/0x80 [ 1009.538214][ T10] fib6_nh_init+0x3d8/0x1580 [ 1009.538214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1009.538214][ T10] ip6_route_add+0x1c/0x140 [ 1009.538214][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1009.538214][ T10] addrconf_add_dev+0xe2/0x170 [ 1009.538214][ T10] inet6_addr_add+0x12f/0xa40 [ 1009.538214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1009.538214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.538214][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.538214][ T10] netlink_unicast+0x449/0x710 [ 1009.538214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.538214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.538214][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.538214][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.538214][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.538214][ T10] [ 1009.540223][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1009.540223][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1009.540223][ T10] ipv6_find_idev+0x102/0x170 [ 1009.540223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.540223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.540223][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.540223][ T10] netlink_unicast+0x449/0x710 [ 1009.540223][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.540223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.540223][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.540223][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.540223][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.540223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.540223][ T10] [ 1009.541779][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1009.541779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1009.541779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1009.541779][ T10] ipv6_find_idev+0x102/0x170 [ 1009.541779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1009.541779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.541779][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.541779][ T10] netlink_unicast+0x449/0x710 [ 1009.541779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.541779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.541779][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.541779][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.541779][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.541779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.541779][ T10] [ 1009.543487][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1009.543730][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1009.543730][ T10] vlan_dev_init+0x97c/0xdd0 [ 1009.543730][ T10] register_netdevice+0x4d3/0x1690 [ 1009.543730][ T10] register_vlan_dev+0x162/0x4a0 [ 1009.543730][ T10] vlan_newlink+0x393/0x610 [ 1009.543730][ T10] rtnl_newlink_create+0x341/0x850 [ 1009.543730][ T10] __rtnl_newlink+0xac9/0xd80 [ 1009.543730][ T10] rtnl_newlink+0x63/0xa0 [ 1009.543730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1009.543730][ T10] netlink_rcv_skb+0x130/0x360 [ 1009.543730][ T10] netlink_unicast+0x449/0x710 [ 1009.543730][ T10] netlink_sendmsg+0x723/0xbe0 [ 1009.543730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1009.543730][ T10] ___sys_sendmsg+0xee/0x170 [ 1009.543730][ T10] __sys_sendmsg+0xcd/0x170 [ 1009.543730][ T10] do_syscall_64+0xc6/0x1e0 [ 1009.543730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1009.543730][ T10] [ 1019.788011][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1019.788437][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1019.788437][ T10] netdev_get_by_index+0x5e/0x80 [ 1019.788437][ T10] fib6_nh_init+0x3d8/0x1580 [ 1019.788437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1019.788437][ T10] ip6_route_add+0x1c/0x140 [ 1019.788437][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1019.788437][ T10] inet6_addr_add+0x4f8/0xa40 [ 1019.788437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.788437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.788437][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.788437][ T10] netlink_unicast+0x449/0x710 [ 1019.788437][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.788437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.788437][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.788437][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.788437][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.788437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.788437][ T10] [ 1019.790480][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1019.790480][ T10] netdev_get_by_index+0x5e/0x80 [ 1019.790480][ T10] fib6_nh_init+0x3d8/0x1580 [ 1019.790480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1019.790480][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1019.790480][ T10] ipv6_add_addr+0x411/0x2000 [ 1019.790480][ T10] inet6_addr_add+0x30e/0xa40 [ 1019.790480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.790480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.790480][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.790480][ T10] netlink_unicast+0x449/0x710 [ 1019.790480][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.790480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.790480][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.790480][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.790480][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.790480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.790480][ T10] [ 1019.792510][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1019.792510][ T10] netdev_get_by_index+0x5e/0x80 [ 1019.792510][ T10] fib6_nh_init+0x3d8/0x1580 [ 1019.792510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1019.792510][ T10] ip6_route_add+0x1c/0x140 [ 1019.792510][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1019.792510][ T10] addrconf_add_dev+0xe2/0x170 [ 1019.792510][ T10] inet6_addr_add+0x12f/0xa40 [ 1019.792510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.792510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.792510][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.792510][ T10] netlink_unicast+0x449/0x710 [ 1019.792510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.792510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.792510][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.792510][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.792510][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.792510][ T10] [ 1019.794495][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1019.794495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1019.794495][ T10] ipv6_find_idev+0x102/0x170 [ 1019.794495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.794495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.794495][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.794495][ T10] netlink_unicast+0x449/0x710 [ 1019.794495][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.794495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.794495][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.794495][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.794495][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.794495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.794495][ T10] [ 1019.796061][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1019.796061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1019.796061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1019.796061][ T10] ipv6_find_idev+0x102/0x170 [ 1019.796061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.796061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.796061][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.796061][ T10] netlink_unicast+0x449/0x710 [ 1019.796061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.796061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.796061][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.796061][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.796061][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.796061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.796061][ T10] [ 1019.797806][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1019.798101][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1019.798101][ T10] netdev_get_by_index+0x5e/0x80 [ 1019.798101][ T10] fib6_nh_init+0x3d8/0x1580 [ 1019.798101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1019.798101][ T10] ip6_route_add+0x1c/0x140 [ 1019.798101][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1019.798101][ T10] inet6_addr_add+0x4f8/0xa40 [ 1019.798101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.798101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.798101][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.798101][ T10] netlink_unicast+0x449/0x710 [ 1019.798101][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.798101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.798101][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.798101][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.798101][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.798101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.798101][ T10] [ 1019.800124][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1019.800124][ T10] netdev_get_by_index+0x5e/0x80 [ 1019.800124][ T10] fib6_nh_init+0x3d8/0x1580 [ 1019.800124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1019.800124][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1019.800124][ T10] ipv6_add_addr+0x411/0x2000 [ 1019.800124][ T10] inet6_addr_add+0x30e/0xa40 [ 1019.800124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.800124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.800124][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.800124][ T10] netlink_unicast+0x449/0x710 [ 1019.800124][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.800124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.800124][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.800124][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.800124][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.800124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.800124][ T10] [ 1019.802186][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1019.802186][ T10] netdev_get_by_index+0x5e/0x80 [ 1019.802186][ T10] fib6_nh_init+0x3d8/0x1580 [ 1019.802186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1019.802186][ T10] ip6_route_add+0x1c/0x140 [ 1019.802186][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1019.802186][ T10] addrconf_add_dev+0xe2/0x170 [ 1019.802186][ T10] inet6_addr_add+0x12f/0xa40 [ 1019.802186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1019.802186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.802186][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.802186][ T10] netlink_unicast+0x449/0x710 [ 1019.802186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.802186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.802186][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.802186][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.802186][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.802186][ T10] [ 1019.804175][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1019.804175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1019.804175][ T10] ipv6_find_idev+0x102/0x170 [ 1019.804175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.804175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.804175][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.804175][ T10] netlink_unicast+0x449/0x710 [ 1019.804175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.804175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.804175][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.804175][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.804175][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.804175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.804175][ T10] [ 1019.805737][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1019.805737][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1019.805737][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1019.805737][ T10] ipv6_find_idev+0x102/0x170 [ 1019.805737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1019.805737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.805737][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.805737][ T10] netlink_unicast+0x449/0x710 [ 1019.805737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.805737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.805737][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.805737][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.805737][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.805737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.805737][ T10] [ 1019.807443][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1019.807697][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1019.807697][ T10] vlan_dev_init+0x97c/0xdd0 [ 1019.807697][ T10] register_netdevice+0x4d3/0x1690 [ 1019.807697][ T10] register_vlan_dev+0x162/0x4a0 [ 1019.807697][ T10] vlan_newlink+0x393/0x610 [ 1019.807697][ T10] rtnl_newlink_create+0x341/0x850 [ 1019.807697][ T10] __rtnl_newlink+0xac9/0xd80 [ 1019.807697][ T10] rtnl_newlink+0x63/0xa0 [ 1019.807697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1019.807697][ T10] netlink_rcv_skb+0x130/0x360 [ 1019.807697][ T10] netlink_unicast+0x449/0x710 [ 1019.807697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1019.807697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1019.807697][ T10] ___sys_sendmsg+0xee/0x170 [ 1019.807697][ T10] __sys_sendmsg+0xcd/0x170 [ 1019.807697][ T10] do_syscall_64+0xc6/0x1e0 [ 1019.807697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1019.807697][ T10] [ 1030.052014][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1030.052491][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1030.052491][ T10] netdev_get_by_index+0x5e/0x80 [ 1030.052491][ T10] fib6_nh_init+0x3d8/0x1580 [ 1030.052491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1030.052491][ T10] ip6_route_add+0x1c/0x140 [ 1030.052491][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1030.052491][ T10] inet6_addr_add+0x4f8/0xa40 [ 1030.052491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.052491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.052491][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.052491][ T10] netlink_unicast+0x449/0x710 [ 1030.052491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.052491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.052491][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.052491][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.052491][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.052491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.052491][ T10] [ 1030.054538][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1030.054538][ T10] netdev_get_by_index+0x5e/0x80 [ 1030.054538][ T10] fib6_nh_init+0x3d8/0x1580 [ 1030.054538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1030.054538][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1030.054538][ T10] ipv6_add_addr+0x411/0x2000 [ 1030.054538][ T10] inet6_addr_add+0x30e/0xa40 [ 1030.054538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.054538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.054538][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.054538][ T10] netlink_unicast+0x449/0x710 [ 1030.054538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.054538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.054538][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.054538][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.054538][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.054538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.054538][ T10] [ 1030.056560][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1030.056560][ T10] netdev_get_by_index+0x5e/0x80 [ 1030.056560][ T10] fib6_nh_init+0x3d8/0x1580 [ 1030.056560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1030.056560][ T10] ip6_route_add+0x1c/0x140 [ 1030.056560][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1030.056560][ T10] addrconf_add_dev+0xe2/0x170 [ 1030.056560][ T10] inet6_addr_add+0x12f/0xa40 [ 1030.056560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.056560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.056560][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.056560][ T10] netlink_unicast+0x449/0x710 [ 1030.056560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.056560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.056560][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.056560][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.056560][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.056560][ T10] [ 1030.058572][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1030.058572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1030.058572][ T10] ipv6_find_idev+0x102/0x170 [ 1030.058572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.058572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.058572][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.058572][ T10] netlink_unicast+0x449/0x710 [ 1030.058572][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.058572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.058572][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.058572][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.058572][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.058572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.058572][ T10] [ 1030.060135][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1030.060135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1030.060135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1030.060135][ T10] ipv6_find_idev+0x102/0x170 [ 1030.060135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.060135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.060135][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.060135][ T10] netlink_unicast+0x449/0x710 [ 1030.060135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.060135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.060135][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.060135][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.060135][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.060135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.060135][ T10] [ 1030.061868][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1030.062165][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1030.062165][ T10] netdev_get_by_index+0x5e/0x80 [ 1030.062165][ T10] fib6_nh_init+0x3d8/0x1580 [ 1030.062165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1030.062165][ T10] ip6_route_add+0x1c/0x140 [ 1030.062165][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1030.062165][ T10] inet6_addr_add+0x4f8/0xa40 [ 1030.062165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.062165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.062165][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.062165][ T10] netlink_unicast+0x449/0x710 [ 1030.062165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.062165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.062165][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.062165][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.062165][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.062165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.062165][ T10] [ 1030.064202][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1030.064202][ T10] netdev_get_by_index+0x5e/0x80 [ 1030.064202][ T10] fib6_nh_init+0x3d8/0x1580 [ 1030.064202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1030.064202][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1030.064202][ T10] ipv6_add_addr+0x411/0x2000 [ 1030.064202][ T10] inet6_addr_add+0x30e/0xa40 [ 1030.064202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.064202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.064202][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.064202][ T10] netlink_unicast+0x449/0x710 [ 1030.064202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.064202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.064202][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.064202][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.064202][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.064202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.064202][ T10] [ 1030.066234][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1030.066234][ T10] netdev_get_by_index+0x5e/0x80 [ 1030.066234][ T10] fib6_nh_init+0x3d8/0x1580 [ 1030.066234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1030.066234][ T10] ip6_route_add+0x1c/0x140 [ 1030.066234][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1030.066234][ T10] addrconf_add_dev+0xe2/0x170 [ 1030.066234][ T10] inet6_addr_add+0x12f/0xa40 [ 1030.066234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1030.066234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.066234][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.066234][ T10] netlink_unicast+0x449/0x710 [ 1030.066234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.066234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.066234][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.066234][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.066234][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.066234][ T10] [ 1030.068232][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1030.068232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1030.068232][ T10] ipv6_find_idev+0x102/0x170 [ 1030.068232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.068232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.068232][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.068232][ T10] netlink_unicast+0x449/0x710 [ 1030.068232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.068232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.068232][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.068232][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.068232][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.068232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.068232][ T10] [ 1030.069798][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1030.069798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1030.069798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1030.069798][ T10] ipv6_find_idev+0x102/0x170 [ 1030.069798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1030.069798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.069798][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.069798][ T10] netlink_unicast+0x449/0x710 [ 1030.069798][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.069798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.069798][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.069798][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.069798][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.069798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.069798][ T10] [ 1030.071526][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1030.071770][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1030.071770][ T10] vlan_dev_init+0x97c/0xdd0 [ 1030.071770][ T10] register_netdevice+0x4d3/0x1690 [ 1030.071770][ T10] register_vlan_dev+0x162/0x4a0 [ 1030.071770][ T10] vlan_newlink+0x393/0x610 [ 1030.071770][ T10] rtnl_newlink_create+0x341/0x850 [ 1030.071770][ T10] __rtnl_newlink+0xac9/0xd80 [ 1030.071770][ T10] rtnl_newlink+0x63/0xa0 [ 1030.071770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1030.071770][ T10] netlink_rcv_skb+0x130/0x360 [ 1030.071770][ T10] netlink_unicast+0x449/0x710 [ 1030.071770][ T10] netlink_sendmsg+0x723/0xbe0 [ 1030.071770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1030.071770][ T10] ___sys_sendmsg+0xee/0x170 [ 1030.071770][ T10] __sys_sendmsg+0xcd/0x170 [ 1030.071770][ T10] do_syscall_64+0xc6/0x1e0 [ 1030.071770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1030.071770][ T10] [ 1040.316035][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1040.316465][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1040.316465][ T10] netdev_get_by_index+0x5e/0x80 [ 1040.316465][ T10] fib6_nh_init+0x3d8/0x1580 [ 1040.316465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1040.316465][ T10] ip6_route_add+0x1c/0x140 [ 1040.316465][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1040.316465][ T10] inet6_addr_add+0x4f8/0xa40 [ 1040.316465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.316465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.316465][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.316465][ T10] netlink_unicast+0x449/0x710 [ 1040.316465][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.316465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.316465][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.316465][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.316465][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.316465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.316465][ T10] [ 1040.318522][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1040.318522][ T10] netdev_get_by_index+0x5e/0x80 [ 1040.318522][ T10] fib6_nh_init+0x3d8/0x1580 [ 1040.318522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1040.318522][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1040.318522][ T10] ipv6_add_addr+0x411/0x2000 [ 1040.318522][ T10] inet6_addr_add+0x30e/0xa40 [ 1040.318522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.318522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.318522][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.318522][ T10] netlink_unicast+0x449/0x710 [ 1040.318522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.318522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.318522][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.318522][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.318522][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.318522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.318522][ T10] [ 1040.320555][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1040.320555][ T10] netdev_get_by_index+0x5e/0x80 [ 1040.320555][ T10] fib6_nh_init+0x3d8/0x1580 [ 1040.320555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1040.320555][ T10] ip6_route_add+0x1c/0x140 [ 1040.320555][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1040.320555][ T10] addrconf_add_dev+0xe2/0x170 [ 1040.320555][ T10] inet6_addr_add+0x12f/0xa40 [ 1040.320555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.320555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.320555][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.320555][ T10] netlink_unicast+0x449/0x710 [ 1040.320555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.320555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.320555][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.320555][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.320555][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.320555][ T10] [ 1040.322553][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1040.322553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1040.322553][ T10] ipv6_find_idev+0x102/0x170 [ 1040.322553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.322553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.322553][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.322553][ T10] netlink_unicast+0x449/0x710 [ 1040.322553][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.322553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.322553][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.322553][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.322553][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.322553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.322553][ T10] [ 1040.324128][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1040.324128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1040.324128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1040.324128][ T10] ipv6_find_idev+0x102/0x170 [ 1040.324128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.324128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.324128][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.324128][ T10] netlink_unicast+0x449/0x710 [ 1040.324128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.324128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.324128][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.324128][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.324128][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.324128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.324128][ T10] [ 1040.325867][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1040.326163][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1040.326163][ T10] netdev_get_by_index+0x5e/0x80 [ 1040.326163][ T10] fib6_nh_init+0x3d8/0x1580 [ 1040.326163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1040.326163][ T10] ip6_route_add+0x1c/0x140 [ 1040.326163][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1040.326163][ T10] inet6_addr_add+0x4f8/0xa40 [ 1040.326163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.326163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.326163][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.326163][ T10] netlink_unicast+0x449/0x710 [ 1040.326163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.326163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.326163][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.326163][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.326163][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.326163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.326163][ T10] [ 1040.328215][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1040.328215][ T10] netdev_get_by_index+0x5e/0x80 [ 1040.328215][ T10] fib6_nh_init+0x3d8/0x1580 [ 1040.328215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1040.328215][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1040.328215][ T10] ipv6_add_addr+0x411/0x2000 [ 1040.328215][ T10] inet6_addr_add+0x30e/0xa40 [ 1040.328215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.328215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.328215][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.328215][ T10] netlink_unicast+0x449/0x710 [ 1040.328215][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.328215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.328215][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.328215][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.328215][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.328215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.328215][ T10] [ 1040.330231][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1040.330231][ T10] netdev_get_by_index+0x5e/0x80 [ 1040.330231][ T10] fib6_nh_init+0x3d8/0x1580 [ 1040.330231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1040.330231][ T10] ip6_route_add+0x1c/0x140 [ 1040.330231][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1040.330231][ T10] addrconf_add_dev+0xe2/0x170 [ 1040.330231][ T10] inet6_addr_add+0x12f/0xa40 [ 1040.330231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1040.330231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.330231][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.330231][ T10] netlink_unicast+0x449/0x710 [ 1040.330231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.330231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.330231][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.330231][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.330231][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.330231][ T10] [ 1040.332212][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1040.332212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1040.332212][ T10] ipv6_find_idev+0x102/0x170 [ 1040.332212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.332212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.332212][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.332212][ T10] netlink_unicast+0x449/0x710 [ 1040.332212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.332212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.332212][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.332212][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.332212][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.332212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.332212][ T10] [ 1040.333793][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1040.333793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1040.333793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1040.333793][ T10] ipv6_find_idev+0x102/0x170 [ 1040.333793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1040.333793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.333793][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.333793][ T10] netlink_unicast+0x449/0x710 [ 1040.333793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.333793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.333793][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.333793][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.333793][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.333793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.333793][ T10] [ 1040.335503][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1040.335751][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1040.335751][ T10] vlan_dev_init+0x97c/0xdd0 [ 1040.335751][ T10] register_netdevice+0x4d3/0x1690 [ 1040.335751][ T10] register_vlan_dev+0x162/0x4a0 [ 1040.335751][ T10] vlan_newlink+0x393/0x610 [ 1040.335751][ T10] rtnl_newlink_create+0x341/0x850 [ 1040.335751][ T10] __rtnl_newlink+0xac9/0xd80 [ 1040.335751][ T10] rtnl_newlink+0x63/0xa0 [ 1040.335751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1040.335751][ T10] netlink_rcv_skb+0x130/0x360 [ 1040.335751][ T10] netlink_unicast+0x449/0x710 [ 1040.335751][ T10] netlink_sendmsg+0x723/0xbe0 [ 1040.335751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1040.335751][ T10] ___sys_sendmsg+0xee/0x170 [ 1040.335751][ T10] __sys_sendmsg+0xcd/0x170 [ 1040.335751][ T10] do_syscall_64+0xc6/0x1e0 [ 1040.335751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1040.335751][ T10] [ 1050.580026][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1050.580506][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1050.580506][ T10] netdev_get_by_index+0x5e/0x80 [ 1050.580506][ T10] fib6_nh_init+0x3d8/0x1580 [ 1050.580506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1050.580506][ T10] ip6_route_add+0x1c/0x140 [ 1050.580506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1050.580506][ T10] inet6_addr_add+0x4f8/0xa40 [ 1050.580506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.580506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.580506][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.580506][ T10] netlink_unicast+0x449/0x710 [ 1050.580506][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.580506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.580506][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.580506][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.580506][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.580506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.580506][ T10] [ 1050.582546][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1050.582546][ T10] netdev_get_by_index+0x5e/0x80 [ 1050.582546][ T10] fib6_nh_init+0x3d8/0x1580 [ 1050.582546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1050.582546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1050.582546][ T10] ipv6_add_addr+0x411/0x2000 [ 1050.582546][ T10] inet6_addr_add+0x30e/0xa40 [ 1050.582546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.582546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.582546][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.582546][ T10] netlink_unicast+0x449/0x710 [ 1050.582546][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.582546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.582546][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.582546][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.582546][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.582546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.582546][ T10] [ 1050.584581][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1050.584581][ T10] netdev_get_by_index+0x5e/0x80 [ 1050.584581][ T10] fib6_nh_init+0x3d8/0x1580 [ 1050.584581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1050.584581][ T10] ip6_route_add+0x1c/0x140 [ 1050.584581][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1050.584581][ T10] addrconf_add_dev+0xe2/0x170 [ 1050.584581][ T10] inet6_addr_add+0x12f/0xa40 [ 1050.584581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.584581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.584581][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.584581][ T10] netlink_unicast+0x449/0x710 [ 1050.584581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.584581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.584581][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.584581][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.584581][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.584581][ T10] [ 1050.586569][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1050.586569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1050.586569][ T10] ipv6_find_idev+0x102/0x170 [ 1050.586569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.586569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.586569][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.586569][ T10] netlink_unicast+0x449/0x710 [ 1050.586569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.586569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.586569][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.586569][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.586569][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.586569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.586569][ T10] [ 1050.588137][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1050.588137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1050.588137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1050.588137][ T10] ipv6_find_idev+0x102/0x170 [ 1050.588137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.588137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.588137][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.588137][ T10] netlink_unicast+0x449/0x710 [ 1050.588137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.588137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.588137][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.588137][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.588137][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.588137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.588137][ T10] [ 1050.589865][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1050.590164][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1050.590164][ T10] netdev_get_by_index+0x5e/0x80 [ 1050.590164][ T10] fib6_nh_init+0x3d8/0x1580 [ 1050.590164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1050.590164][ T10] ip6_route_add+0x1c/0x140 [ 1050.590164][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1050.590164][ T10] inet6_addr_add+0x4f8/0xa40 [ 1050.590164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.590164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.590164][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.590164][ T10] netlink_unicast+0x449/0x710 [ 1050.590164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.590164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.590164][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.590164][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.590164][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.590164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.590164][ T10] [ 1050.592202][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1050.592202][ T10] netdev_get_by_index+0x5e/0x80 [ 1050.592202][ T10] fib6_nh_init+0x3d8/0x1580 [ 1050.592202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1050.592202][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1050.592202][ T10] ipv6_add_addr+0x411/0x2000 [ 1050.592202][ T10] inet6_addr_add+0x30e/0xa40 [ 1050.592202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.592202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.592202][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.592202][ T10] netlink_unicast+0x449/0x710 [ 1050.592202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.592202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.592202][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.592202][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.592202][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.592202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.592202][ T10] [ 1050.594228][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1050.594228][ T10] netdev_get_by_index+0x5e/0x80 [ 1050.594228][ T10] fib6_nh_init+0x3d8/0x1580 [ 1050.594228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1050.594228][ T10] ip6_route_add+0x1c/0x140 [ 1050.594228][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1050.594228][ T10] addrconf_add_dev+0xe2/0x170 [ 1050.594228][ T10] inet6_addr_add+0x12f/0xa40 [ 1050.594228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1050.594228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.594228][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.594228][ T10] netlink_unicast+0x449/0x710 [ 1050.594228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.594228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.594228][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.594228][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.594228][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.594228][ T10] [ 1050.596214][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1050.596214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1050.596214][ T10] ipv6_find_idev+0x102/0x170 [ 1050.596214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.596214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.596214][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.596214][ T10] netlink_unicast+0x449/0x710 [ 1050.596214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.596214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.596214][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.596214][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.596214][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.596214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.596214][ T10] [ 1050.597771][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1050.597771][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1050.597771][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1050.597771][ T10] ipv6_find_idev+0x102/0x170 [ 1050.597771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1050.597771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.597771][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.597771][ T10] netlink_unicast+0x449/0x710 [ 1050.597771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.597771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.597771][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.597771][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.597771][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.597771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.597771][ T10] [ 1050.599495][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1050.599739][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1050.599739][ T10] vlan_dev_init+0x97c/0xdd0 [ 1050.599739][ T10] register_netdevice+0x4d3/0x1690 [ 1050.599739][ T10] register_vlan_dev+0x162/0x4a0 [ 1050.599739][ T10] vlan_newlink+0x393/0x610 [ 1050.599739][ T10] rtnl_newlink_create+0x341/0x850 [ 1050.599739][ T10] __rtnl_newlink+0xac9/0xd80 [ 1050.599739][ T10] rtnl_newlink+0x63/0xa0 [ 1050.599739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1050.599739][ T10] netlink_rcv_skb+0x130/0x360 [ 1050.599739][ T10] netlink_unicast+0x449/0x710 [ 1050.599739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1050.599739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1050.599739][ T10] ___sys_sendmsg+0xee/0x170 [ 1050.599739][ T10] __sys_sendmsg+0xcd/0x170 [ 1050.599739][ T10] do_syscall_64+0xc6/0x1e0 [ 1050.599739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1050.599739][ T10] [ 1060.732010][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1060.732427][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1060.732427][ T10] netdev_get_by_index+0x5e/0x80 [ 1060.732427][ T10] fib6_nh_init+0x3d8/0x1580 [ 1060.732427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1060.732427][ T10] ip6_route_add+0x1c/0x140 [ 1060.732427][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1060.732427][ T10] inet6_addr_add+0x4f8/0xa40 [ 1060.732427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.732427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.732427][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.732427][ T10] netlink_unicast+0x449/0x710 [ 1060.732427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.732427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.732427][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.732427][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.732427][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.732427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.732427][ T10] [ 1060.734479][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1060.734479][ T10] netdev_get_by_index+0x5e/0x80 [ 1060.734479][ T10] fib6_nh_init+0x3d8/0x1580 [ 1060.734479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1060.734479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1060.734479][ T10] ipv6_add_addr+0x411/0x2000 [ 1060.734479][ T10] inet6_addr_add+0x30e/0xa40 [ 1060.734479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.734479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.734479][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.734479][ T10] netlink_unicast+0x449/0x710 [ 1060.734479][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.734479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.734479][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.734479][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.734479][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.734479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.734479][ T10] [ 1060.736498][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1060.736498][ T10] netdev_get_by_index+0x5e/0x80 [ 1060.736498][ T10] fib6_nh_init+0x3d8/0x1580 [ 1060.736498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1060.736498][ T10] ip6_route_add+0x1c/0x140 [ 1060.736498][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1060.736498][ T10] addrconf_add_dev+0xe2/0x170 [ 1060.736498][ T10] inet6_addr_add+0x12f/0xa40 [ 1060.736498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.736498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.736498][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.736498][ T10] netlink_unicast+0x449/0x710 [ 1060.736498][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.736498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.736498][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.736498][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.736498][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.736498][ T10] [ 1060.738493][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1060.738493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1060.738493][ T10] ipv6_find_idev+0x102/0x170 [ 1060.738493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.738493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.738493][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.738493][ T10] netlink_unicast+0x449/0x710 [ 1060.738493][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.738493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.738493][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.738493][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.738493][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.738493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.738493][ T10] [ 1060.740053][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1060.740053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1060.740053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1060.740053][ T10] ipv6_find_idev+0x102/0x170 [ 1060.740053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.740053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.740053][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.740053][ T10] netlink_unicast+0x449/0x710 [ 1060.740053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.740053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.740053][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.740053][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.740053][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.740053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.740053][ T10] [ 1060.741809][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1060.742105][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1060.742105][ T10] netdev_get_by_index+0x5e/0x80 [ 1060.742105][ T10] fib6_nh_init+0x3d8/0x1580 [ 1060.742105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1060.742105][ T10] ip6_route_add+0x1c/0x140 [ 1060.742105][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1060.742105][ T10] inet6_addr_add+0x4f8/0xa40 [ 1060.742105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.742105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.742105][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.742105][ T10] netlink_unicast+0x449/0x710 [ 1060.742105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.742105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.742105][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.742105][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.742105][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.742105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.742105][ T10] [ 1060.744128][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1060.744128][ T10] netdev_get_by_index+0x5e/0x80 [ 1060.744128][ T10] fib6_nh_init+0x3d8/0x1580 [ 1060.744128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1060.744128][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1060.744128][ T10] ipv6_add_addr+0x411/0x2000 [ 1060.744128][ T10] inet6_addr_add+0x30e/0xa40 [ 1060.744128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.744128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.744128][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.744128][ T10] netlink_unicast+0x449/0x710 [ 1060.744128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.744128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.744128][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.744128][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.744128][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.744128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.744128][ T10] [ 1060.746146][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1060.746146][ T10] netdev_get_by_index+0x5e/0x80 [ 1060.746146][ T10] fib6_nh_init+0x3d8/0x1580 [ 1060.746146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1060.746146][ T10] ip6_route_add+0x1c/0x140 [ 1060.746146][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1060.746146][ T10] addrconf_add_dev+0xe2/0x170 [ 1060.746146][ T10] inet6_addr_add+0x12f/0xa40 [ 1060.746146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1060.746146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.746146][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.746146][ T10] netlink_unicast+0x449/0x710 [ 1060.746146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.746146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.746146][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.746146][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.746146][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.746146][ T10] [ 1060.748149][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1060.748149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1060.748149][ T10] ipv6_find_idev+0x102/0x170 [ 1060.748149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.748149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.748149][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.748149][ T10] netlink_unicast+0x449/0x710 [ 1060.748149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.748149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.748149][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.748149][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.748149][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.748149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.748149][ T10] [ 1060.749700][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1060.749700][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1060.749700][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1060.749700][ T10] ipv6_find_idev+0x102/0x170 [ 1060.749700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1060.749700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.749700][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.749700][ T10] netlink_unicast+0x449/0x710 [ 1060.749700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.749700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.749700][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.749700][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.749700][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.749700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.749700][ T10] [ 1060.751401][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1060.751652][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1060.751652][ T10] vlan_dev_init+0x97c/0xdd0 [ 1060.751652][ T10] register_netdevice+0x4d3/0x1690 [ 1060.751652][ T10] register_vlan_dev+0x162/0x4a0 [ 1060.751652][ T10] vlan_newlink+0x393/0x610 [ 1060.751652][ T10] rtnl_newlink_create+0x341/0x850 [ 1060.751652][ T10] __rtnl_newlink+0xac9/0xd80 [ 1060.751652][ T10] rtnl_newlink+0x63/0xa0 [ 1060.751652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1060.751652][ T10] netlink_rcv_skb+0x130/0x360 [ 1060.751652][ T10] netlink_unicast+0x449/0x710 [ 1060.751652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1060.751652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1060.751652][ T10] ___sys_sendmsg+0xee/0x170 [ 1060.751652][ T10] __sys_sendmsg+0xcd/0x170 [ 1060.751652][ T10] do_syscall_64+0xc6/0x1e0 [ 1060.751652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1060.751652][ T10] [ 1070.996019][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1070.996489][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1070.996489][ T10] netdev_get_by_index+0x5e/0x80 [ 1070.996489][ T10] fib6_nh_init+0x3d8/0x1580 [ 1070.996489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1070.996489][ T10] ip6_route_add+0x1c/0x140 [ 1070.996489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1070.996489][ T10] inet6_addr_add+0x4f8/0xa40 [ 1070.996489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1070.996489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1070.996489][ T10] netlink_rcv_skb+0x130/0x360 [ 1070.996489][ T10] netlink_unicast+0x449/0x710 [ 1070.996489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1070.996489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1070.996489][ T10] ___sys_sendmsg+0xee/0x170 [ 1070.996489][ T10] __sys_sendmsg+0xcd/0x170 [ 1070.996489][ T10] do_syscall_64+0xc6/0x1e0 [ 1070.996489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1070.996489][ T10] [ 1070.998681][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1070.998681][ T10] netdev_get_by_index+0x5e/0x80 [ 1070.998681][ T10] fib6_nh_init+0x3d8/0x1580 [ 1070.998681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1070.998681][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1070.998681][ T10] ipv6_add_addr+0x411/0x2000 [ 1070.998681][ T10] inet6_addr_add+0x30e/0xa40 [ 1070.998681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1070.998681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1070.998681][ T10] netlink_rcv_skb+0x130/0x360 [ 1070.998681][ T10] netlink_unicast+0x449/0x710 [ 1070.998681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1070.998681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1070.998681][ T10] ___sys_sendmsg+0xee/0x170 [ 1070.998681][ T10] __sys_sendmsg+0xcd/0x170 [ 1070.998681][ T10] do_syscall_64+0xc6/0x1e0 [ 1070.998681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1070.998681][ T10] [ 1071.000714][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1071.000714][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.000714][ T10] fib6_nh_init+0x3d8/0x1580 [ 1071.000714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.000714][ T10] ip6_route_add+0x1c/0x140 [ 1071.000714][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1071.000714][ T10] addrconf_add_dev+0xe2/0x170 [ 1071.000714][ T10] inet6_addr_add+0x12f/0xa40 [ 1071.000714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.000714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.000714][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.000714][ T10] netlink_unicast+0x449/0x710 [ 1071.000714][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.000714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.000714][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.000714][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.000714][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.000714][ T10] [ 1071.002700][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1071.002700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1071.002700][ T10] ipv6_find_idev+0x102/0x170 [ 1071.002700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.002700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.002700][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.002700][ T10] netlink_unicast+0x449/0x710 [ 1071.002700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.002700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.002700][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.002700][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.002700][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.002700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.002700][ T10] [ 1071.004271][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1071.004271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1071.004271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1071.004271][ T10] ipv6_find_idev+0x102/0x170 [ 1071.004271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.004271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.004271][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.004271][ T10] netlink_unicast+0x449/0x710 [ 1071.004271][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.004271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.004271][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.004271][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.004271][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.004271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.004271][ T10] [ 1071.005987][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1071.006276][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1071.006276][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.006276][ T10] fib6_nh_init+0x3d8/0x1580 [ 1071.006276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.006276][ T10] ip6_route_add+0x1c/0x140 [ 1071.006276][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1071.006276][ T10] inet6_addr_add+0x4f8/0xa40 [ 1071.006276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.006276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.006276][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.006276][ T10] netlink_unicast+0x449/0x710 [ 1071.006276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.006276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.006276][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.006276][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.006276][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.006276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.006276][ T10] [ 1071.008300][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1071.008300][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.008300][ T10] fib6_nh_init+0x3d8/0x1580 [ 1071.008300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.008300][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1071.008300][ T10] ipv6_add_addr+0x411/0x2000 [ 1071.008300][ T10] inet6_addr_add+0x30e/0xa40 [ 1071.008300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.008300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.008300][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.008300][ T10] netlink_unicast+0x449/0x710 [ 1071.008300][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.008300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.008300][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.008300][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.008300][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.008300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.008300][ T10] [ 1071.010312][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1071.010312][ T10] netdev_get_by_index+0x5e/0x80 [ 1071.010312][ T10] fib6_nh_init+0x3d8/0x1580 [ 1071.010312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1071.010312][ T10] ip6_route_add+0x1c/0x140 [ 1071.010312][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1071.010312][ T10] addrconf_add_dev+0xe2/0x170 [ 1071.010312][ T10] inet6_addr_add+0x12f/0xa40 [ 1071.010312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1071.010312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.010312][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.010312][ T10] netlink_unicast+0x449/0x710 [ 1071.010312][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.010312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.010312][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.010312][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.010312][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.010312][ T10] [ 1071.012295][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1071.012295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1071.012295][ T10] ipv6_find_idev+0x102/0x170 [ 1071.012295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.012295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.012295][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.012295][ T10] netlink_unicast+0x449/0x710 [ 1071.012295][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.012295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.012295][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.012295][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.012295][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.012295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.012295][ T10] [ 1071.013852][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1071.013852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1071.013852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1071.013852][ T10] ipv6_find_idev+0x102/0x170 [ 1071.013852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1071.013852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.013852][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.013852][ T10] netlink_unicast+0x449/0x710 [ 1071.013852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.013852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.013852][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.013852][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.013852][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.013852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.013852][ T10] [ 1071.015560][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1071.015807][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1071.015807][ T10] vlan_dev_init+0x97c/0xdd0 [ 1071.015807][ T10] register_netdevice+0x4d3/0x1690 [ 1071.015807][ T10] register_vlan_dev+0x162/0x4a0 [ 1071.015807][ T10] vlan_newlink+0x393/0x610 [ 1071.015807][ T10] rtnl_newlink_create+0x341/0x850 [ 1071.015807][ T10] __rtnl_newlink+0xac9/0xd80 [ 1071.015807][ T10] rtnl_newlink+0x63/0xa0 [ 1071.015807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1071.015807][ T10] netlink_rcv_skb+0x130/0x360 [ 1071.015807][ T10] netlink_unicast+0x449/0x710 [ 1071.015807][ T10] netlink_sendmsg+0x723/0xbe0 [ 1071.015807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1071.015807][ T10] ___sys_sendmsg+0xee/0x170 [ 1071.015807][ T10] __sys_sendmsg+0xcd/0x170 [ 1071.015807][ T10] do_syscall_64+0xc6/0x1e0 [ 1071.015807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1071.015807][ T10] [ 1081.260005][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1081.260503][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1081.260503][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.260503][ T10] fib6_nh_init+0x3d8/0x1580 [ 1081.260503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.260503][ T10] ip6_route_add+0x1c/0x140 [ 1081.260503][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1081.260503][ T10] inet6_addr_add+0x4f8/0xa40 [ 1081.260503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.260503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.260503][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.260503][ T10] netlink_unicast+0x449/0x710 [ 1081.260503][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.260503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.260503][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.260503][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.260503][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.260503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.260503][ T10] [ 1081.262577][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1081.262577][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.262577][ T10] fib6_nh_init+0x3d8/0x1580 [ 1081.262577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.262577][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1081.262577][ T10] ipv6_add_addr+0x411/0x2000 [ 1081.262577][ T10] inet6_addr_add+0x30e/0xa40 [ 1081.262577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.262577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.262577][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.262577][ T10] netlink_unicast+0x449/0x710 [ 1081.262577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.262577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.262577][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.262577][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.262577][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.262577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.262577][ T10] [ 1081.264610][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1081.264610][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.264610][ T10] fib6_nh_init+0x3d8/0x1580 [ 1081.264610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.264610][ T10] ip6_route_add+0x1c/0x140 [ 1081.264610][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1081.264610][ T10] addrconf_add_dev+0xe2/0x170 [ 1081.264610][ T10] inet6_addr_add+0x12f/0xa40 [ 1081.264610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.264610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.264610][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.264610][ T10] netlink_unicast+0x449/0x710 [ 1081.264610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.264610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.264610][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.264610][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.264610][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.264610][ T10] [ 1081.266608][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1081.266608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1081.266608][ T10] ipv6_find_idev+0x102/0x170 [ 1081.266608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.266608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.266608][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.266608][ T10] netlink_unicast+0x449/0x710 [ 1081.266608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.266608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.266608][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.266608][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.266608][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.266608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.266608][ T10] [ 1081.268189][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1081.268189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1081.268189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1081.268189][ T10] ipv6_find_idev+0x102/0x170 [ 1081.268189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.268189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.268189][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.268189][ T10] netlink_unicast+0x449/0x710 [ 1081.268189][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.268189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.268189][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.268189][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.268189][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.268189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.268189][ T10] [ 1081.269924][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1081.270212][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1081.270212][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.270212][ T10] fib6_nh_init+0x3d8/0x1580 [ 1081.270212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.270212][ T10] ip6_route_add+0x1c/0x140 [ 1081.270212][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1081.270212][ T10] inet6_addr_add+0x4f8/0xa40 [ 1081.270212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.270212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.270212][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.270212][ T10] netlink_unicast+0x449/0x710 [ 1081.270212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.270212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.270212][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.270212][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.270212][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.270212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.270212][ T10] [ 1081.272246][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1081.272246][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.272246][ T10] fib6_nh_init+0x3d8/0x1580 [ 1081.272246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.272246][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1081.272246][ T10] ipv6_add_addr+0x411/0x2000 [ 1081.272246][ T10] inet6_addr_add+0x30e/0xa40 [ 1081.272246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.272246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.272246][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.272246][ T10] netlink_unicast+0x449/0x710 [ 1081.272246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.272246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.272246][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.272246][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.272246][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.272246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.272246][ T10] [ 1081.274269][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1081.274269][ T10] netdev_get_by_index+0x5e/0x80 [ 1081.274269][ T10] fib6_nh_init+0x3d8/0x1580 [ 1081.274269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1081.274269][ T10] ip6_route_add+0x1c/0x140 [ 1081.274269][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1081.274269][ T10] addrconf_add_dev+0xe2/0x170 [ 1081.274269][ T10] inet6_addr_add+0x12f/0xa40 [ 1081.274269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1081.274269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.274269][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.274269][ T10] netlink_unicast+0x449/0x710 [ 1081.274269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.274269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.274269][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.274269][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.274269][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.274269][ T10] [ 1081.276246][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1081.276246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1081.276246][ T10] ipv6_find_idev+0x102/0x170 [ 1081.276246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.276246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.276246][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.276246][ T10] netlink_unicast+0x449/0x710 [ 1081.276246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.276246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.276246][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.276246][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.276246][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.276246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.276246][ T10] [ 1081.277812][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1081.277812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1081.277812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1081.277812][ T10] ipv6_find_idev+0x102/0x170 [ 1081.277812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1081.277812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.277812][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.277812][ T10] netlink_unicast+0x449/0x710 [ 1081.277812][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.277812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.277812][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.277812][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.277812][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.277812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.277812][ T10] [ 1081.279513][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1081.279761][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1081.279761][ T10] vlan_dev_init+0x97c/0xdd0 [ 1081.279761][ T10] register_netdevice+0x4d3/0x1690 [ 1081.279761][ T10] register_vlan_dev+0x162/0x4a0 [ 1081.279761][ T10] vlan_newlink+0x393/0x610 [ 1081.279761][ T10] rtnl_newlink_create+0x341/0x850 [ 1081.279761][ T10] __rtnl_newlink+0xac9/0xd80 [ 1081.279761][ T10] rtnl_newlink+0x63/0xa0 [ 1081.279761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1081.279761][ T10] netlink_rcv_skb+0x130/0x360 [ 1081.279761][ T10] netlink_unicast+0x449/0x710 [ 1081.279761][ T10] netlink_sendmsg+0x723/0xbe0 [ 1081.279761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1081.279761][ T10] ___sys_sendmsg+0xee/0x170 [ 1081.279761][ T10] __sys_sendmsg+0xcd/0x170 [ 1081.279761][ T10] do_syscall_64+0xc6/0x1e0 [ 1081.279761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1081.279761][ T10] [ 1091.523998][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1091.524490][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1091.524490][ T10] netdev_get_by_index+0x5e/0x80 [ 1091.524490][ T10] fib6_nh_init+0x3d8/0x1580 [ 1091.524490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1091.524490][ T10] ip6_route_add+0x1c/0x140 [ 1091.524490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1091.524490][ T10] inet6_addr_add+0x4f8/0xa40 [ 1091.524490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.524490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.524490][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.524490][ T10] netlink_unicast+0x449/0x710 [ 1091.524490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.524490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.524490][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.524490][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.524490][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.524490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.524490][ T10] [ 1091.526717][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1091.526717][ T10] netdev_get_by_index+0x5e/0x80 [ 1091.526717][ T10] fib6_nh_init+0x3d8/0x1580 [ 1091.526717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1091.526717][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1091.526717][ T10] ipv6_add_addr+0x411/0x2000 [ 1091.526717][ T10] inet6_addr_add+0x30e/0xa40 [ 1091.526717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.526717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.526717][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.526717][ T10] netlink_unicast+0x449/0x710 [ 1091.526717][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.526717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.526717][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.526717][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.526717][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.526717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.526717][ T10] [ 1091.528756][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1091.528756][ T10] netdev_get_by_index+0x5e/0x80 [ 1091.528756][ T10] fib6_nh_init+0x3d8/0x1580 [ 1091.528756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1091.528756][ T10] ip6_route_add+0x1c/0x140 [ 1091.528756][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1091.528756][ T10] addrconf_add_dev+0xe2/0x170 [ 1091.528756][ T10] inet6_addr_add+0x12f/0xa40 [ 1091.528756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.528756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.528756][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.528756][ T10] netlink_unicast+0x449/0x710 [ 1091.528756][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.528756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.528756][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.528756][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.528756][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.528756][ T10] [ 1091.530749][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1091.530749][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1091.530749][ T10] ipv6_find_idev+0x102/0x170 [ 1091.530749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.530749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.530749][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.530749][ T10] netlink_unicast+0x449/0x710 [ 1091.530749][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.530749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.530749][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.530749][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.530749][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.530749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.530749][ T10] [ 1091.532304][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1091.532304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1091.532304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1091.532304][ T10] ipv6_find_idev+0x102/0x170 [ 1091.532304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.532304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.532304][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.532304][ T10] netlink_unicast+0x449/0x710 [ 1091.532304][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.532304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.532304][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.532304][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.532304][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.532304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.532304][ T10] [ 1091.534010][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1091.534286][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1091.534286][ T10] netdev_get_by_index+0x5e/0x80 [ 1091.534286][ T10] fib6_nh_init+0x3d8/0x1580 [ 1091.534286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1091.534286][ T10] ip6_route_add+0x1c/0x140 [ 1091.534286][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1091.534286][ T10] inet6_addr_add+0x4f8/0xa40 [ 1091.534286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.534286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.534286][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.534286][ T10] netlink_unicast+0x449/0x710 [ 1091.534286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.534286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.534286][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.534286][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.534286][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.534286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.534286][ T10] [ 1091.536628][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1091.536628][ T10] netdev_get_by_index+0x5e/0x80 [ 1091.536628][ T10] fib6_nh_init+0x3d8/0x1580 [ 1091.536628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1091.536628][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1091.536628][ T10] ipv6_add_addr+0x411/0x2000 [ 1091.536628][ T10] inet6_addr_add+0x30e/0xa40 [ 1091.536628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.536628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.536628][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.536628][ T10] netlink_unicast+0x449/0x710 [ 1091.536628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.536628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.536628][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.536628][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.536628][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.536628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.536628][ T10] [ 1091.538663][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1091.538663][ T10] netdev_get_by_index+0x5e/0x80 [ 1091.538663][ T10] fib6_nh_init+0x3d8/0x1580 [ 1091.538663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1091.538663][ T10] ip6_route_add+0x1c/0x140 [ 1091.538663][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1091.538663][ T10] addrconf_add_dev+0xe2/0x170 [ 1091.538663][ T10] inet6_addr_add+0x12f/0xa40 [ 1091.538663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1091.538663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.538663][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.538663][ T10] netlink_unicast+0x449/0x710 [ 1091.538663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.538663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.538663][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.538663][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.538663][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.538663][ T10] [ 1091.540645][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1091.540645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1091.540645][ T10] ipv6_find_idev+0x102/0x170 [ 1091.540645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.540645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.540645][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.540645][ T10] netlink_unicast+0x449/0x710 [ 1091.540645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.540645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.540645][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.540645][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.540645][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.540645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.540645][ T10] [ 1091.542199][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1091.542199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1091.542199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1091.542199][ T10] ipv6_find_idev+0x102/0x170 [ 1091.542199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1091.542199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.542199][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.542199][ T10] netlink_unicast+0x449/0x710 [ 1091.542199][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.542199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.542199][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.542199][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.542199][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.542199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.542199][ T10] [ 1091.543916][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1091.544163][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1091.544163][ T10] vlan_dev_init+0x97c/0xdd0 [ 1091.544163][ T10] register_netdevice+0x4d3/0x1690 [ 1091.544163][ T10] register_vlan_dev+0x162/0x4a0 [ 1091.544163][ T10] vlan_newlink+0x393/0x610 [ 1091.544163][ T10] rtnl_newlink_create+0x341/0x850 [ 1091.544163][ T10] __rtnl_newlink+0xac9/0xd80 [ 1091.544163][ T10] rtnl_newlink+0x63/0xa0 [ 1091.544163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1091.544163][ T10] netlink_rcv_skb+0x130/0x360 [ 1091.544163][ T10] netlink_unicast+0x449/0x710 [ 1091.544163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1091.544163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1091.544163][ T10] ___sys_sendmsg+0xee/0x170 [ 1091.544163][ T10] __sys_sendmsg+0xcd/0x170 [ 1091.544163][ T10] do_syscall_64+0xc6/0x1e0 [ 1091.544163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1091.544163][ T10] [ 1101.788021][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1101.788506][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1101.788506][ T10] netdev_get_by_index+0x5e/0x80 [ 1101.788506][ T10] fib6_nh_init+0x3d8/0x1580 [ 1101.788506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1101.788506][ T10] ip6_route_add+0x1c/0x140 [ 1101.788506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1101.788506][ T10] inet6_addr_add+0x4f8/0xa40 [ 1101.788506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.788506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.788506][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.788506][ T10] netlink_unicast+0x449/0x710 [ 1101.788506][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.788506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.788506][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.788506][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.788506][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.788506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.788506][ T10] [ 1101.790570][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1101.790570][ T10] netdev_get_by_index+0x5e/0x80 [ 1101.790570][ T10] fib6_nh_init+0x3d8/0x1580 [ 1101.790570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1101.790570][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1101.790570][ T10] ipv6_add_addr+0x411/0x2000 [ 1101.790570][ T10] inet6_addr_add+0x30e/0xa40 [ 1101.790570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.790570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.790570][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.790570][ T10] netlink_unicast+0x449/0x710 [ 1101.790570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.790570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.790570][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.790570][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.790570][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.790570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.790570][ T10] [ 1101.792599][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1101.792599][ T10] netdev_get_by_index+0x5e/0x80 [ 1101.792599][ T10] fib6_nh_init+0x3d8/0x1580 [ 1101.792599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1101.792599][ T10] ip6_route_add+0x1c/0x140 [ 1101.792599][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1101.792599][ T10] addrconf_add_dev+0xe2/0x170 [ 1101.792599][ T10] inet6_addr_add+0x12f/0xa40 [ 1101.792599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.792599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.792599][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.792599][ T10] netlink_unicast+0x449/0x710 [ 1101.792599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.792599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.792599][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.792599][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.792599][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.792599][ T10] [ 1101.794681][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1101.794681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1101.794681][ T10] ipv6_find_idev+0x102/0x170 [ 1101.794681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.794681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.794681][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.794681][ T10] netlink_unicast+0x449/0x710 [ 1101.794681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.794681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.794681][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.794681][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.794681][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.794681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.794681][ T10] [ 1101.796257][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1101.796257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1101.796257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1101.796257][ T10] ipv6_find_idev+0x102/0x170 [ 1101.796257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.796257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.796257][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.796257][ T10] netlink_unicast+0x449/0x710 [ 1101.796257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.796257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.796257][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.796257][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.796257][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.796257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.796257][ T10] [ 1101.797970][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1101.798254][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1101.798254][ T10] netdev_get_by_index+0x5e/0x80 [ 1101.798254][ T10] fib6_nh_init+0x3d8/0x1580 [ 1101.798254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1101.798254][ T10] ip6_route_add+0x1c/0x140 [ 1101.798254][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1101.798254][ T10] inet6_addr_add+0x4f8/0xa40 [ 1101.798254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.798254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.798254][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.798254][ T10] netlink_unicast+0x449/0x710 [ 1101.798254][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.798254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.798254][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.798254][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.798254][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.798254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.798254][ T10] [ 1101.800284][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1101.800284][ T10] netdev_get_by_index+0x5e/0x80 [ 1101.800284][ T10] fib6_nh_init+0x3d8/0x1580 [ 1101.800284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1101.800284][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1101.800284][ T10] ipv6_add_addr+0x411/0x2000 [ 1101.800284][ T10] inet6_addr_add+0x30e/0xa40 [ 1101.800284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.800284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.800284][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.800284][ T10] netlink_unicast+0x449/0x710 [ 1101.800284][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.800284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.800284][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.800284][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.800284][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.800284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.800284][ T10] [ 1101.802294][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1101.802294][ T10] netdev_get_by_index+0x5e/0x80 [ 1101.802294][ T10] fib6_nh_init+0x3d8/0x1580 [ 1101.802294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1101.802294][ T10] ip6_route_add+0x1c/0x140 [ 1101.802294][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1101.802294][ T10] addrconf_add_dev+0xe2/0x170 [ 1101.802294][ T10] inet6_addr_add+0x12f/0xa40 [ 1101.802294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1101.802294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.802294][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.802294][ T10] netlink_unicast+0x449/0x710 [ 1101.802294][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.802294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.802294][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.802294][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.802294][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.802294][ T10] [ 1101.804278][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1101.804278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1101.804278][ T10] ipv6_find_idev+0x102/0x170 [ 1101.804278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.804278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.804278][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.804278][ T10] netlink_unicast+0x449/0x710 [ 1101.804278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.804278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.804278][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.804278][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.804278][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.804278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.804278][ T10] [ 1101.805827][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1101.805827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1101.805827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1101.805827][ T10] ipv6_find_idev+0x102/0x170 [ 1101.805827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1101.805827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.805827][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.805827][ T10] netlink_unicast+0x449/0x710 [ 1101.805827][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.805827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.805827][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.805827][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.805827][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.805827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.805827][ T10] [ 1101.807538][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1101.807796][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1101.807796][ T10] vlan_dev_init+0x97c/0xdd0 [ 1101.807796][ T10] register_netdevice+0x4d3/0x1690 [ 1101.807796][ T10] register_vlan_dev+0x162/0x4a0 [ 1101.807796][ T10] vlan_newlink+0x393/0x610 [ 1101.807796][ T10] rtnl_newlink_create+0x341/0x850 [ 1101.807796][ T10] __rtnl_newlink+0xac9/0xd80 [ 1101.807796][ T10] rtnl_newlink+0x63/0xa0 [ 1101.807796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1101.807796][ T10] netlink_rcv_skb+0x130/0x360 [ 1101.807796][ T10] netlink_unicast+0x449/0x710 [ 1101.807796][ T10] netlink_sendmsg+0x723/0xbe0 [ 1101.807796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1101.807796][ T10] ___sys_sendmsg+0xee/0x170 [ 1101.807796][ T10] __sys_sendmsg+0xcd/0x170 [ 1101.807796][ T10] do_syscall_64+0xc6/0x1e0 [ 1101.807796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1101.807796][ T10] [ 1107.244015][ T42] INFO: task modprobe:3829 blocked for more than 614 seconds. [ 1107.244376][ T42] Not tainted 6.8.0-virtme #1 [ 1107.244507][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1107.244729][ T42] task:modprobe state:D stack:25648 pid:3829 tgid:3829 ppid:59 flags:0x00004002 [ 1107.245022][ T42] Call Trace: [ 1107.245127][ T42] [ 1107.245203][ T42] __schedule+0x705/0x1ac0 [ 1107.245349][ T42] ? __pfx___schedule+0x10/0x10 [ 1107.245492][ T42] ? schedule+0x1a5/0x210 [ 1107.245601][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1107.245741][ T42] ? mark_lock+0x38/0x3e0 [ 1107.245843][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1107.245998][ T42] ? schedule+0x1a5/0x210 [ 1107.246105][ T42] schedule+0xdf/0x210 [ 1107.246214][ T42] schedule_preempt_disabled+0x15/0x30 [ 1107.246348][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1107.246494][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1107.246668][ T42] ? kasan_save_stack+0x34/0x50 [ 1107.246806][ T42] ? kasan_save_stack+0x24/0x50 [ 1107.246951][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1107.247103][ T42] ? lock_acquire+0x1c1/0x220 [ 1107.247237][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1107.247385][ T42] down_write+0x1c9/0x200 [ 1107.247489][ T42] ? __pfx_down_write+0x10/0x10 [ 1107.247623][ T42] ? __pfx___lock_release+0x10/0x10 [ 1107.247770][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1107.247988][ T42] register_pernet_subsys+0x1a/0x50 [ 1107.248126][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1107.248325][ T42] do_one_initcall+0xc8/0x3f0 [ 1107.248460][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1107.248599][ T42] ? __create_object+0x5e/0xb0 [ 1107.248739][ T42] ? kasan_unpoison+0x27/0x60 [ 1107.248911][ T42] do_init_module+0x233/0x740 [ 1107.249057][ T42] load_module+0x16b5/0x2350 [ 1107.249207][ T42] ? __pfx_load_module+0x10/0x10 [ 1107.249342][ T42] ? kernel_read_file+0x3d2/0x520 [ 1107.249488][ T42] ? kernel_read_file+0x300/0x520 [ 1107.249625][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1107.249766][ T42] ? init_module_from_file+0xd2/0x130 [ 1107.249909][ T42] init_module_from_file+0xd2/0x130 [ 1107.250047][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1107.250219][ T42] ? __lock_release+0x103/0x460 [ 1107.250352][ T42] ? idempotent_init_module+0x32a/0x620 [ 1107.250499][ T42] ? idempotent_init_module+0x32a/0x620 [ 1107.250634][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1107.250771][ T42] idempotent_init_module+0x342/0x620 [ 1107.250918][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1107.251106][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1107.251249][ T42] do_syscall_64+0xc6/0x1e0 [ 1107.251388][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1107.251557][ T42] RIP: 0033:0x7fab981a1e5d [ 1107.251698][ T42] RSP: 002b:00007ffe70d7a428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1107.251913][ T42] RAX: ffffffffffffffda RBX: 0000555e1943ce90 RCX: 00007fab981a1e5d [ 1107.252110][ T42] RDX: 0000000000000000 RSI: 0000555deb69da2a RDI: 0000000000000001 [ 1107.252316][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555e1943d4f0 [ 1107.252511][ T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555deb69da2a [ 1107.252712][ T42] R13: 0000555e1943ce40 R14: 0000555e1943d570 R15: 0000000000000000 [ 1107.252946][ T42] [ 1107.253047][ T42] [ 1107.253047][ T42] Showing all locks held in the system: [ 1107.253237][ T42] 3 locks held by kworker/u16:0/10: [ 1107.253372][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1107.253646][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1107.253895][ T42] #2: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1107.254135][ T42] 1 lock held by khungtaskd/42: [ 1107.254265][ T42] #0: ffffffffb5b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1107.254510][ T42] 2 locks held by kworker/u18:1/59: [ 1107.254639][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1107.254912][ T42] #1: ffffc90000407da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1107.255219][ T42] 1 lock held by modprobe/3829: [ 1107.255353][ T42] #0: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1107.255619][ T42] [ 1107.255687][ T42] ============================================= [ 1107.255687][ T42] [ 1111.828025][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1111.828541][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1111.828541][ T10] netdev_get_by_index+0x5e/0x80 [ 1111.828541][ T10] fib6_nh_init+0x3d8/0x1580 [ 1111.828541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1111.828541][ T10] ip6_route_add+0x1c/0x140 [ 1111.828541][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1111.828541][ T10] inet6_addr_add+0x4f8/0xa40 [ 1111.828541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1111.828541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.828541][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.828541][ T10] netlink_unicast+0x449/0x710 [ 1111.828541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.828541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.828541][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.828541][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.828541][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.828541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1111.828541][ T10] [ 1111.830590][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1111.830590][ T10] netdev_get_by_index+0x5e/0x80 [ 1111.830590][ T10] fib6_nh_init+0x3d8/0x1580 [ 1111.830590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1111.830590][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1111.830590][ T10] ipv6_add_addr+0x411/0x2000 [ 1111.830590][ T10] inet6_addr_add+0x30e/0xa40 [ 1111.830590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1111.830590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.830590][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.830590][ T10] netlink_unicast+0x449/0x710 [ 1111.830590][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.830590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.830590][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.830590][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.830590][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.830590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1111.830590][ T10] [ 1111.832617][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1111.832617][ T10] netdev_get_by_index+0x5e/0x80 [ 1111.832617][ T10] fib6_nh_init+0x3d8/0x1580 [ 1111.832617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1111.832617][ T10] ip6_route_add+0x1c/0x140 [ 1111.832617][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1111.832617][ T10] addrconf_add_dev+0xe2/0x170 [ 1111.832617][ T10] inet6_addr_add+0x12f/0xa40 [ 1111.832617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1111.832617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.832617][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.832617][ T10] netlink_unicast+0x449/0x710 [ 1111.832617][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.832617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.832617][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.832617][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.832617][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.832617][ T10] [ 1111.834607][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1111.834607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1111.834607][ T10] ipv6_find_idev+0x102/0x170 [ 1111.834607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1111.834607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.834607][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.834607][ T10] netlink_unicast+0x449/0x710 [ 1111.834607][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.834607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.834607][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.834607][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.834607][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.834607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1111.834607][ T10] [ 1111.836164][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1111.836164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1111.836164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1111.836164][ T10] ipv6_find_idev+0x102/0x170 [ 1111.836164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1111.836164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.836164][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.836164][ T10] netlink_unicast+0x449/0x710 [ 1111.836164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.836164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.836164][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.836164][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.836164][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.836164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1111.836164][ T10] [ 1111.837905][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1111.838185][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1111.838185][ T10] netdev_get_by_index+0x5e/0x80 [ 1111.838185][ T10] fib6_nh_init+0x3d8/0x1580 [ 1111.838185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1111.838185][ T10] ip6_route_add+0x1c/0x140 [ 1111.838185][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1111.838185][ T10] inet6_addr_add+0x4f8/0xa40 [ 1111.838185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1111.838185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.838185][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.838185][ T10] netlink_unicast+0x449/0x710 [ 1111.838185][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.838185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.838185][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.838185][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.838185][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.838185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1111.838185][ T10] [ 1111.840222][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1111.840222][ T10] netdev_get_by_index+0x5e/0x80 [ 1111.840222][ T10] fib6_nh_init+0x3d8/0x1580 [ 1111.840222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1111.840222][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1111.840222][ T10] ipv6_add_addr+0x411/0x2000 [ 1111.840222][ T10] inet6_addr_add+0x30e/0xa40 [ 1111.840222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1111.840222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.840222][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.840222][ T10] netlink_unicast+0x449/0x710 [ 1111.840222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.840222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.840222][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.840222][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.840222][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.840222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1111.840222][ T10] [ 1111.842240][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1111.842240][ T10] netdev_get_by_index+0x5e/0x80 [ 1111.842240][ T10] fib6_nh_init+0x3d8/0x1580 [ 1111.842240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1111.842240][ T10] ip6_route_add+0x1c/0x140 [ 1111.842240][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1111.842240][ T10] addrconf_add_dev+0xe2/0x170 [ 1111.842240][ T10] inet6_addr_add+0x12f/0xa40 [ 1111.842240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1111.842240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.842240][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.842240][ T10] netlink_unicast+0x449/0x710 [ 1111.842240][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.842240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.842240][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.842240][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.842240][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.842240][ T10] [ 1111.844232][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1111.844232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1111.844232][ T10] ipv6_find_idev+0x102/0x170 [ 1111.844232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1111.844232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.844232][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.844232][ T10] netlink_unicast+0x449/0x710 [ 1111.844232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.844232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.844232][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.844232][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.844232][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.844232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1111.844232][ T10] [ 1111.845786][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1111.845786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1111.845786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1111.845786][ T10] ipv6_find_idev+0x102/0x170 [ 1111.845786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1111.845786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.845786][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.845786][ T10] netlink_unicast+0x449/0x710 [ 1111.845786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.845786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.845786][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.845786][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.845786][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.845786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1111.845786][ T10] [ 1111.847525][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1111.847771][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1111.847771][ T10] vlan_dev_init+0x97c/0xdd0 [ 1111.847771][ T10] register_netdevice+0x4d3/0x1690 [ 1111.847771][ T10] register_vlan_dev+0x162/0x4a0 [ 1111.847771][ T10] vlan_newlink+0x393/0x610 [ 1111.847771][ T10] rtnl_newlink_create+0x341/0x850 [ 1111.847771][ T10] __rtnl_newlink+0xac9/0xd80 [ 1111.847771][ T10] rtnl_newlink+0x63/0xa0 [ 1111.847771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1111.847771][ T10] netlink_rcv_skb+0x130/0x360 [ 1111.847771][ T10] netlink_unicast+0x449/0x710 [ 1111.847771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1111.847771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1111.847771][ T10] ___sys_sendmsg+0xee/0x170 [ 1111.847771][ T10] __sys_sendmsg+0xcd/0x170 [ 1111.847771][ T10] do_syscall_64+0xc6/0x1e0 [ 1111.847771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1111.847771][ T10] [ 1122.100040][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1122.100530][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1122.100530][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.100530][ T10] fib6_nh_init+0x3d8/0x1580 [ 1122.100530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.100530][ T10] ip6_route_add+0x1c/0x140 [ 1122.100530][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1122.100530][ T10] inet6_addr_add+0x4f8/0xa40 [ 1122.100530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.100530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.100530][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.100530][ T10] netlink_unicast+0x449/0x710 [ 1122.100530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.100530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.100530][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.100530][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.100530][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.100530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.100530][ T10] [ 1122.102604][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1122.102604][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.102604][ T10] fib6_nh_init+0x3d8/0x1580 [ 1122.102604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.102604][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1122.102604][ T10] ipv6_add_addr+0x411/0x2000 [ 1122.102604][ T10] inet6_addr_add+0x30e/0xa40 [ 1122.102604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.102604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.102604][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.102604][ T10] netlink_unicast+0x449/0x710 [ 1122.102604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.102604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.102604][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.102604][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.102604][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.102604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.102604][ T10] [ 1122.104630][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1122.104630][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.104630][ T10] fib6_nh_init+0x3d8/0x1580 [ 1122.104630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.104630][ T10] ip6_route_add+0x1c/0x140 [ 1122.104630][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1122.104630][ T10] addrconf_add_dev+0xe2/0x170 [ 1122.104630][ T10] inet6_addr_add+0x12f/0xa40 [ 1122.104630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.104630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.104630][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.104630][ T10] netlink_unicast+0x449/0x710 [ 1122.104630][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.104630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.104630][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.104630][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.104630][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.104630][ T10] [ 1122.106623][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1122.106623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1122.106623][ T10] ipv6_find_idev+0x102/0x170 [ 1122.106623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.106623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.106623][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.106623][ T10] netlink_unicast+0x449/0x710 [ 1122.106623][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.106623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.106623][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.106623][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.106623][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.106623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.106623][ T10] [ 1122.108184][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1122.108184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1122.108184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1122.108184][ T10] ipv6_find_idev+0x102/0x170 [ 1122.108184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.108184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.108184][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.108184][ T10] netlink_unicast+0x449/0x710 [ 1122.108184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.108184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.108184][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.108184][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.108184][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.108184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.108184][ T10] [ 1122.109908][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1122.110184][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1122.110184][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.110184][ T10] fib6_nh_init+0x3d8/0x1580 [ 1122.110184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.110184][ T10] ip6_route_add+0x1c/0x140 [ 1122.110184][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1122.110184][ T10] inet6_addr_add+0x4f8/0xa40 [ 1122.110184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.110184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.110184][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.110184][ T10] netlink_unicast+0x449/0x710 [ 1122.110184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.110184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.110184][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.110184][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.110184][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.110184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.110184][ T10] [ 1122.112230][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1122.112230][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.112230][ T10] fib6_nh_init+0x3d8/0x1580 [ 1122.112230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.112230][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1122.112230][ T10] ipv6_add_addr+0x411/0x2000 [ 1122.112230][ T10] inet6_addr_add+0x30e/0xa40 [ 1122.112230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.112230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.112230][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.112230][ T10] netlink_unicast+0x449/0x710 [ 1122.112230][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.112230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.112230][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.112230][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.112230][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.112230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.112230][ T10] [ 1122.114274][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1122.114274][ T10] netdev_get_by_index+0x5e/0x80 [ 1122.114274][ T10] fib6_nh_init+0x3d8/0x1580 [ 1122.114274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1122.114274][ T10] ip6_route_add+0x1c/0x140 [ 1122.114274][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1122.114274][ T10] addrconf_add_dev+0xe2/0x170 [ 1122.114274][ T10] inet6_addr_add+0x12f/0xa40 [ 1122.114274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1122.114274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.114274][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.114274][ T10] netlink_unicast+0x449/0x710 [ 1122.114274][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.114274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.114274][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.114274][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.114274][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.114274][ T10] [ 1122.116261][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1122.116261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1122.116261][ T10] ipv6_find_idev+0x102/0x170 [ 1122.116261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.116261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.116261][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.116261][ T10] netlink_unicast+0x449/0x710 [ 1122.116261][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.116261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.116261][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.116261][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.116261][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.116261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.116261][ T10] [ 1122.117826][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1122.117826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1122.117826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1122.117826][ T10] ipv6_find_idev+0x102/0x170 [ 1122.117826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1122.117826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.117826][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.117826][ T10] netlink_unicast+0x449/0x710 [ 1122.117826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.117826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.117826][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.117826][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.117826][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.117826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.117826][ T10] [ 1122.119539][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1122.119789][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1122.119789][ T10] vlan_dev_init+0x97c/0xdd0 [ 1122.119789][ T10] register_netdevice+0x4d3/0x1690 [ 1122.119789][ T10] register_vlan_dev+0x162/0x4a0 [ 1122.119789][ T10] vlan_newlink+0x393/0x610 [ 1122.119789][ T10] rtnl_newlink_create+0x341/0x850 [ 1122.119789][ T10] __rtnl_newlink+0xac9/0xd80 [ 1122.119789][ T10] rtnl_newlink+0x63/0xa0 [ 1122.119789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1122.119789][ T10] netlink_rcv_skb+0x130/0x360 [ 1122.119789][ T10] netlink_unicast+0x449/0x710 [ 1122.119789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1122.119789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1122.119789][ T10] ___sys_sendmsg+0xee/0x170 [ 1122.119789][ T10] __sys_sendmsg+0xcd/0x170 [ 1122.119789][ T10] do_syscall_64+0xc6/0x1e0 [ 1122.119789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1122.119789][ T10] [ 1132.372162][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1132.372675][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1132.372675][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.372675][ T10] fib6_nh_init+0x3d8/0x1580 [ 1132.372675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.372675][ T10] ip6_route_add+0x1c/0x140 [ 1132.372675][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1132.372675][ T10] inet6_addr_add+0x4f8/0xa40 [ 1132.372675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.372675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.372675][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.372675][ T10] netlink_unicast+0x449/0x710 [ 1132.372675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.372675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.372675][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.372675][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.372675][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.372675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.372675][ T10] [ 1132.374888][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1132.374888][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.374888][ T10] fib6_nh_init+0x3d8/0x1580 [ 1132.374888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.374888][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1132.374888][ T10] ipv6_add_addr+0x411/0x2000 [ 1132.374888][ T10] inet6_addr_add+0x30e/0xa40 [ 1132.374888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.374888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.374888][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.374888][ T10] netlink_unicast+0x449/0x710 [ 1132.374888][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.374888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.374888][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.374888][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.374888][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.374888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.374888][ T10] [ 1132.377105][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1132.377105][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.377105][ T10] fib6_nh_init+0x3d8/0x1580 [ 1132.377105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.377105][ T10] ip6_route_add+0x1c/0x140 [ 1132.377105][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1132.377105][ T10] addrconf_add_dev+0xe2/0x170 [ 1132.377105][ T10] inet6_addr_add+0x12f/0xa40 [ 1132.377105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.377105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.377105][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.377105][ T10] netlink_unicast+0x449/0x710 [ 1132.377105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.377105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.377105][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.377105][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.377105][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.377105][ T10] [ 1132.379264][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1132.379264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1132.379264][ T10] ipv6_find_idev+0x102/0x170 [ 1132.379264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.379264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.379264][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.379264][ T10] netlink_unicast+0x449/0x710 [ 1132.379264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.379264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.379264][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.379264][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.379264][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.379264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.379264][ T10] [ 1132.380947][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1132.380947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1132.380947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1132.380947][ T10] ipv6_find_idev+0x102/0x170 [ 1132.380947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.380947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.380947][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.380947][ T10] netlink_unicast+0x449/0x710 [ 1132.380947][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.380947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.380947][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.380947][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.380947][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.380947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.380947][ T10] [ 1132.382789][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1132.383094][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1132.383094][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.383094][ T10] fib6_nh_init+0x3d8/0x1580 [ 1132.383094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.383094][ T10] ip6_route_add+0x1c/0x140 [ 1132.383094][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1132.383094][ T10] inet6_addr_add+0x4f8/0xa40 [ 1132.383094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.383094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.383094][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.383094][ T10] netlink_unicast+0x449/0x710 [ 1132.383094][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.383094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.383094][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.383094][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.383094][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.383094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.383094][ T10] [ 1132.385296][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1132.385296][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.385296][ T10] fib6_nh_init+0x3d8/0x1580 [ 1132.385296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.385296][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1132.385296][ T10] ipv6_add_addr+0x411/0x2000 [ 1132.385296][ T10] inet6_addr_add+0x30e/0xa40 [ 1132.385296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.385296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.385296][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.385296][ T10] netlink_unicast+0x449/0x710 [ 1132.385296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.385296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.385296][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.385296][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.385296][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.385296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.385296][ T10] [ 1132.387496][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1132.387496][ T10] netdev_get_by_index+0x5e/0x80 [ 1132.387496][ T10] fib6_nh_init+0x3d8/0x1580 [ 1132.387496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1132.387496][ T10] ip6_route_add+0x1c/0x140 [ 1132.387496][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1132.387496][ T10] addrconf_add_dev+0xe2/0x170 [ 1132.387496][ T10] inet6_addr_add+0x12f/0xa40 [ 1132.387496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1132.387496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.387496][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.387496][ T10] netlink_unicast+0x449/0x710 [ 1132.387496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.387496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.387496][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.387496][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.387496][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.387496][ T10] [ 1132.389647][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1132.389647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1132.389647][ T10] ipv6_find_idev+0x102/0x170 [ 1132.389647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.389647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.389647][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.389647][ T10] netlink_unicast+0x449/0x710 [ 1132.389647][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.389647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.389647][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.389647][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.389647][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.389647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.389647][ T10] [ 1132.391335][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1132.391335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1132.391335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1132.391335][ T10] ipv6_find_idev+0x102/0x170 [ 1132.391335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1132.391335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.391335][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.391335][ T10] netlink_unicast+0x449/0x710 [ 1132.391335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.391335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.391335][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.391335][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.391335][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.391335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.391335][ T10] [ 1132.393184][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1132.393443][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1132.393443][ T10] vlan_dev_init+0x97c/0xdd0 [ 1132.393443][ T10] register_netdevice+0x4d3/0x1690 [ 1132.393443][ T10] register_vlan_dev+0x162/0x4a0 [ 1132.393443][ T10] vlan_newlink+0x393/0x610 [ 1132.393443][ T10] rtnl_newlink_create+0x341/0x850 [ 1132.393443][ T10] __rtnl_newlink+0xac9/0xd80 [ 1132.393443][ T10] rtnl_newlink+0x63/0xa0 [ 1132.393443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1132.393443][ T10] netlink_rcv_skb+0x130/0x360 [ 1132.393443][ T10] netlink_unicast+0x449/0x710 [ 1132.393443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1132.393443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1132.393443][ T10] ___sys_sendmsg+0xee/0x170 [ 1132.393443][ T10] __sys_sendmsg+0xcd/0x170 [ 1132.393443][ T10] do_syscall_64+0xc6/0x1e0 [ 1132.393443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1132.393443][ T10] [ 1142.396007][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1142.396494][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1142.396494][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.396494][ T10] fib6_nh_init+0x3d8/0x1580 [ 1142.396494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.396494][ T10] ip6_route_add+0x1c/0x140 [ 1142.396494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1142.396494][ T10] inet6_addr_add+0x4f8/0xa40 [ 1142.396494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.396494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.396494][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.396494][ T10] netlink_unicast+0x449/0x710 [ 1142.396494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.396494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.396494][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.396494][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.396494][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.396494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.396494][ T10] [ 1142.398745][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1142.398745][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.398745][ T10] fib6_nh_init+0x3d8/0x1580 [ 1142.398745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.398745][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1142.398745][ T10] ipv6_add_addr+0x411/0x2000 [ 1142.398745][ T10] inet6_addr_add+0x30e/0xa40 [ 1142.398745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.398745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.398745][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.398745][ T10] netlink_unicast+0x449/0x710 [ 1142.398745][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.398745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.398745][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.398745][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.398745][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.398745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.398745][ T10] [ 1142.400969][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1142.400969][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.400969][ T10] fib6_nh_init+0x3d8/0x1580 [ 1142.400969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.400969][ T10] ip6_route_add+0x1c/0x140 [ 1142.400969][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1142.400969][ T10] addrconf_add_dev+0xe2/0x170 [ 1142.400969][ T10] inet6_addr_add+0x12f/0xa40 [ 1142.400969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.400969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.400969][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.400969][ T10] netlink_unicast+0x449/0x710 [ 1142.400969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.400969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.400969][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.400969][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.400969][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.400969][ T10] [ 1142.403144][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1142.403144][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1142.403144][ T10] ipv6_find_idev+0x102/0x170 [ 1142.403144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.403144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.403144][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.403144][ T10] netlink_unicast+0x449/0x710 [ 1142.403144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.403144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.403144][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.403144][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.403144][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.403144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.403144][ T10] [ 1142.404855][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1142.404855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1142.404855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1142.404855][ T10] ipv6_find_idev+0x102/0x170 [ 1142.404855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.404855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.404855][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.404855][ T10] netlink_unicast+0x449/0x710 [ 1142.404855][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.404855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.404855][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.404855][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.404855][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.404855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.404855][ T10] [ 1142.406722][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1142.407033][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1142.407033][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.407033][ T10] fib6_nh_init+0x3d8/0x1580 [ 1142.407033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.407033][ T10] ip6_route_add+0x1c/0x140 [ 1142.407033][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1142.407033][ T10] inet6_addr_add+0x4f8/0xa40 [ 1142.407033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.407033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.407033][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.407033][ T10] netlink_unicast+0x449/0x710 [ 1142.407033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.407033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.407033][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.407033][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.407033][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.407033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.407033][ T10] [ 1142.409222][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1142.409222][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.409222][ T10] fib6_nh_init+0x3d8/0x1580 [ 1142.409222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.409222][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1142.409222][ T10] ipv6_add_addr+0x411/0x2000 [ 1142.409222][ T10] inet6_addr_add+0x30e/0xa40 [ 1142.409222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.409222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.409222][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.409222][ T10] netlink_unicast+0x449/0x710 [ 1142.409222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.409222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.409222][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.409222][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.409222][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.409222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.409222][ T10] [ 1142.411401][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1142.411401][ T10] netdev_get_by_index+0x5e/0x80 [ 1142.411401][ T10] fib6_nh_init+0x3d8/0x1580 [ 1142.411401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1142.411401][ T10] ip6_route_add+0x1c/0x140 [ 1142.411401][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1142.411401][ T10] addrconf_add_dev+0xe2/0x170 [ 1142.411401][ T10] inet6_addr_add+0x12f/0xa40 [ 1142.411401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1142.411401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.411401][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.411401][ T10] netlink_unicast+0x449/0x710 [ 1142.411401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.411401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.411401][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.411401][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.411401][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.411401][ T10] [ 1142.413568][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1142.413568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1142.413568][ T10] ipv6_find_idev+0x102/0x170 [ 1142.413568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.413568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.413568][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.413568][ T10] netlink_unicast+0x449/0x710 [ 1142.413568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.413568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.413568][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.413568][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.413568][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.413568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.413568][ T10] [ 1142.415266][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1142.415266][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1142.415266][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1142.415266][ T10] ipv6_find_idev+0x102/0x170 [ 1142.415266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1142.415266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.415266][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.415266][ T10] netlink_unicast+0x449/0x710 [ 1142.415266][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.415266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.415266][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.415266][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.415266][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.415266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.415266][ T10] [ 1142.417116][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1142.417386][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1142.417386][ T10] vlan_dev_init+0x97c/0xdd0 [ 1142.417386][ T10] register_netdevice+0x4d3/0x1690 [ 1142.417386][ T10] register_vlan_dev+0x162/0x4a0 [ 1142.417386][ T10] vlan_newlink+0x393/0x610 [ 1142.417386][ T10] rtnl_newlink_create+0x341/0x850 [ 1142.417386][ T10] __rtnl_newlink+0xac9/0xd80 [ 1142.417386][ T10] rtnl_newlink+0x63/0xa0 [ 1142.417386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1142.417386][ T10] netlink_rcv_skb+0x130/0x360 [ 1142.417386][ T10] netlink_unicast+0x449/0x710 [ 1142.417386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1142.417386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1142.417386][ T10] ___sys_sendmsg+0xee/0x170 [ 1142.417386][ T10] __sys_sendmsg+0xcd/0x170 [ 1142.417386][ T10] do_syscall_64+0xc6/0x1e0 [ 1142.417386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1142.417386][ T10] [ 1152.644010][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1152.644497][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1152.644497][ T10] netdev_get_by_index+0x5e/0x80 [ 1152.644497][ T10] fib6_nh_init+0x3d8/0x1580 [ 1152.644497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1152.644497][ T10] ip6_route_add+0x1c/0x140 [ 1152.644497][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1152.644497][ T10] inet6_addr_add+0x4f8/0xa40 [ 1152.644497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.644497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.644497][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.644497][ T10] netlink_unicast+0x449/0x710 [ 1152.644497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.644497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.644497][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.644497][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.644497][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.644497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.644497][ T10] [ 1152.646581][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1152.646581][ T10] netdev_get_by_index+0x5e/0x80 [ 1152.646581][ T10] fib6_nh_init+0x3d8/0x1580 [ 1152.646581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1152.646581][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1152.646581][ T10] ipv6_add_addr+0x411/0x2000 [ 1152.646581][ T10] inet6_addr_add+0x30e/0xa40 [ 1152.646581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.646581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.646581][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.646581][ T10] netlink_unicast+0x449/0x710 [ 1152.646581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.646581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.646581][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.646581][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.646581][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.646581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.646581][ T10] [ 1152.648651][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1152.648651][ T10] netdev_get_by_index+0x5e/0x80 [ 1152.648651][ T10] fib6_nh_init+0x3d8/0x1580 [ 1152.648651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1152.648651][ T10] ip6_route_add+0x1c/0x140 [ 1152.648651][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1152.648651][ T10] addrconf_add_dev+0xe2/0x170 [ 1152.648651][ T10] inet6_addr_add+0x12f/0xa40 [ 1152.648651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.648651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.648651][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.648651][ T10] netlink_unicast+0x449/0x710 [ 1152.648651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.648651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.648651][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.648651][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.648651][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.648651][ T10] [ 1152.650655][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1152.650655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1152.650655][ T10] ipv6_find_idev+0x102/0x170 [ 1152.650655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.650655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.650655][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.650655][ T10] netlink_unicast+0x449/0x710 [ 1152.650655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.650655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.650655][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.650655][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.650655][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.650655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.650655][ T10] [ 1152.652218][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1152.652218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1152.652218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1152.652218][ T10] ipv6_find_idev+0x102/0x170 [ 1152.652218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.652218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.652218][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.652218][ T10] netlink_unicast+0x449/0x710 [ 1152.652218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.652218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.652218][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.652218][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.652218][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.652218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.652218][ T10] [ 1152.653946][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1152.654231][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1152.654231][ T10] netdev_get_by_index+0x5e/0x80 [ 1152.654231][ T10] fib6_nh_init+0x3d8/0x1580 [ 1152.654231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1152.654231][ T10] ip6_route_add+0x1c/0x140 [ 1152.654231][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1152.654231][ T10] inet6_addr_add+0x4f8/0xa40 [ 1152.654231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.654231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.654231][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.654231][ T10] netlink_unicast+0x449/0x710 [ 1152.654231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.654231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.654231][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.654231][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.654231][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.654231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.654231][ T10] [ 1152.656259][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1152.656259][ T10] netdev_get_by_index+0x5e/0x80 [ 1152.656259][ T10] fib6_nh_init+0x3d8/0x1580 [ 1152.656259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1152.656259][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1152.656259][ T10] ipv6_add_addr+0x411/0x2000 [ 1152.656259][ T10] inet6_addr_add+0x30e/0xa40 [ 1152.656259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.656259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.656259][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.656259][ T10] netlink_unicast+0x449/0x710 [ 1152.656259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.656259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.656259][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.656259][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.656259][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.656259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.656259][ T10] [ 1152.658292][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1152.658292][ T10] netdev_get_by_index+0x5e/0x80 [ 1152.658292][ T10] fib6_nh_init+0x3d8/0x1580 [ 1152.658292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1152.658292][ T10] ip6_route_add+0x1c/0x140 [ 1152.658292][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1152.658292][ T10] addrconf_add_dev+0xe2/0x170 [ 1152.658292][ T10] inet6_addr_add+0x12f/0xa40 [ 1152.658292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1152.658292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.658292][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.658292][ T10] netlink_unicast+0x449/0x710 [ 1152.658292][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.658292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.658292][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.658292][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.658292][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.658292][ T10] [ 1152.660280][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1152.660280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1152.660280][ T10] ipv6_find_idev+0x102/0x170 [ 1152.660280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.660280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.660280][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.660280][ T10] netlink_unicast+0x449/0x710 [ 1152.660280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.660280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.660280][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.660280][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.660280][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.660280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.660280][ T10] [ 1152.661852][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1152.661852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1152.661852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1152.661852][ T10] ipv6_find_idev+0x102/0x170 [ 1152.661852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1152.661852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.661852][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.661852][ T10] netlink_unicast+0x449/0x710 [ 1152.661852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.661852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.661852][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.661852][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.661852][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.661852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.661852][ T10] [ 1152.663565][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1152.663814][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1152.663814][ T10] vlan_dev_init+0x97c/0xdd0 [ 1152.663814][ T10] register_netdevice+0x4d3/0x1690 [ 1152.663814][ T10] register_vlan_dev+0x162/0x4a0 [ 1152.663814][ T10] vlan_newlink+0x393/0x610 [ 1152.663814][ T10] rtnl_newlink_create+0x341/0x850 [ 1152.663814][ T10] __rtnl_newlink+0xac9/0xd80 [ 1152.663814][ T10] rtnl_newlink+0x63/0xa0 [ 1152.663814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1152.663814][ T10] netlink_rcv_skb+0x130/0x360 [ 1152.663814][ T10] netlink_unicast+0x449/0x710 [ 1152.663814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1152.663814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1152.663814][ T10] ___sys_sendmsg+0xee/0x170 [ 1152.663814][ T10] __sys_sendmsg+0xcd/0x170 [ 1152.663814][ T10] do_syscall_64+0xc6/0x1e0 [ 1152.663814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1152.663814][ T10] [ 1162.908002][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1162.908498][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1162.908498][ T10] netdev_get_by_index+0x5e/0x80 [ 1162.908498][ T10] fib6_nh_init+0x3d8/0x1580 [ 1162.908498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1162.908498][ T10] ip6_route_add+0x1c/0x140 [ 1162.908498][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1162.908498][ T10] inet6_addr_add+0x4f8/0xa40 [ 1162.908498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1162.908498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.908498][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.908498][ T10] netlink_unicast+0x449/0x710 [ 1162.908498][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.908498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.908498][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.908498][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.908498][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.908498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1162.908498][ T10] [ 1162.910561][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1162.910561][ T10] netdev_get_by_index+0x5e/0x80 [ 1162.910561][ T10] fib6_nh_init+0x3d8/0x1580 [ 1162.910561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1162.910561][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1162.910561][ T10] ipv6_add_addr+0x411/0x2000 [ 1162.910561][ T10] inet6_addr_add+0x30e/0xa40 [ 1162.910561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1162.910561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.910561][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.910561][ T10] netlink_unicast+0x449/0x710 [ 1162.910561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.910561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.910561][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.910561][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.910561][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.910561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1162.910561][ T10] [ 1162.912608][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1162.912608][ T10] netdev_get_by_index+0x5e/0x80 [ 1162.912608][ T10] fib6_nh_init+0x3d8/0x1580 [ 1162.912608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1162.912608][ T10] ip6_route_add+0x1c/0x140 [ 1162.912608][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1162.912608][ T10] addrconf_add_dev+0xe2/0x170 [ 1162.912608][ T10] inet6_addr_add+0x12f/0xa40 [ 1162.912608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1162.912608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.912608][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.912608][ T10] netlink_unicast+0x449/0x710 [ 1162.912608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.912608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.912608][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.912608][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.912608][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.912608][ T10] [ 1162.914599][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1162.914599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1162.914599][ T10] ipv6_find_idev+0x102/0x170 [ 1162.914599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1162.914599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.914599][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.914599][ T10] netlink_unicast+0x449/0x710 [ 1162.914599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.914599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.914599][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.914599][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.914599][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.914599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1162.914599][ T10] [ 1162.916161][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1162.916161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1162.916161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1162.916161][ T10] ipv6_find_idev+0x102/0x170 [ 1162.916161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1162.916161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.916161][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.916161][ T10] netlink_unicast+0x449/0x710 [ 1162.916161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.916161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.916161][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.916161][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.916161][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.916161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1162.916161][ T10] [ 1162.917900][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1162.918184][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1162.918184][ T10] netdev_get_by_index+0x5e/0x80 [ 1162.918184][ T10] fib6_nh_init+0x3d8/0x1580 [ 1162.918184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1162.918184][ T10] ip6_route_add+0x1c/0x140 [ 1162.918184][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1162.918184][ T10] inet6_addr_add+0x4f8/0xa40 [ 1162.918184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1162.918184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.918184][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.918184][ T10] netlink_unicast+0x449/0x710 [ 1162.918184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.918184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.918184][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.918184][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.918184][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.918184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1162.918184][ T10] [ 1162.920214][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1162.920214][ T10] netdev_get_by_index+0x5e/0x80 [ 1162.920214][ T10] fib6_nh_init+0x3d8/0x1580 [ 1162.920214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1162.920214][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1162.920214][ T10] ipv6_add_addr+0x411/0x2000 [ 1162.920214][ T10] inet6_addr_add+0x30e/0xa40 [ 1162.920214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1162.920214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.920214][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.920214][ T10] netlink_unicast+0x449/0x710 [ 1162.920214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.920214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.920214][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.920214][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.920214][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.920214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1162.920214][ T10] [ 1162.922237][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1162.922237][ T10] netdev_get_by_index+0x5e/0x80 [ 1162.922237][ T10] fib6_nh_init+0x3d8/0x1580 [ 1162.922237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1162.922237][ T10] ip6_route_add+0x1c/0x140 [ 1162.922237][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1162.922237][ T10] addrconf_add_dev+0xe2/0x170 [ 1162.922237][ T10] inet6_addr_add+0x12f/0xa40 [ 1162.922237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1162.922237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.922237][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.922237][ T10] netlink_unicast+0x449/0x710 [ 1162.922237][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.922237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.922237][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.922237][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.922237][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.922237][ T10] [ 1162.924268][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1162.924268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1162.924268][ T10] ipv6_find_idev+0x102/0x170 [ 1162.924268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1162.924268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.924268][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.924268][ T10] netlink_unicast+0x449/0x710 [ 1162.924268][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.924268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.924268][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.924268][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.924268][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.924268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1162.924268][ T10] [ 1162.925828][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1162.925828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1162.925828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1162.925828][ T10] ipv6_find_idev+0x102/0x170 [ 1162.925828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1162.925828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.925828][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.925828][ T10] netlink_unicast+0x449/0x710 [ 1162.925828][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.925828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.925828][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.925828][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.925828][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.925828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1162.925828][ T10] [ 1162.927556][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1162.927812][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1162.927812][ T10] vlan_dev_init+0x97c/0xdd0 [ 1162.927812][ T10] register_netdevice+0x4d3/0x1690 [ 1162.927812][ T10] register_vlan_dev+0x162/0x4a0 [ 1162.927812][ T10] vlan_newlink+0x393/0x610 [ 1162.927812][ T10] rtnl_newlink_create+0x341/0x850 [ 1162.927812][ T10] __rtnl_newlink+0xac9/0xd80 [ 1162.927812][ T10] rtnl_newlink+0x63/0xa0 [ 1162.927812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1162.927812][ T10] netlink_rcv_skb+0x130/0x360 [ 1162.927812][ T10] netlink_unicast+0x449/0x710 [ 1162.927812][ T10] netlink_sendmsg+0x723/0xbe0 [ 1162.927812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1162.927812][ T10] ___sys_sendmsg+0xee/0x170 [ 1162.927812][ T10] __sys_sendmsg+0xcd/0x170 [ 1162.927812][ T10] do_syscall_64+0xc6/0x1e0 [ 1162.927812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1162.927812][ T10] [ 1173.172002][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1173.172491][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1173.172491][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.172491][ T10] fib6_nh_init+0x3d8/0x1580 [ 1173.172491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.172491][ T10] ip6_route_add+0x1c/0x140 [ 1173.172491][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1173.172491][ T10] inet6_addr_add+0x4f8/0xa40 [ 1173.172491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.172491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.172491][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.172491][ T10] netlink_unicast+0x449/0x710 [ 1173.172491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.172491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.172491][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.172491][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.172491][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.172491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.172491][ T10] [ 1173.174547][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1173.174547][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.174547][ T10] fib6_nh_init+0x3d8/0x1580 [ 1173.174547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.174547][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1173.174547][ T10] ipv6_add_addr+0x411/0x2000 [ 1173.174547][ T10] inet6_addr_add+0x30e/0xa40 [ 1173.174547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.174547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.174547][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.174547][ T10] netlink_unicast+0x449/0x710 [ 1173.174547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.174547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.174547][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.174547][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.174547][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.174547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.174547][ T10] [ 1173.176584][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1173.176584][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.176584][ T10] fib6_nh_init+0x3d8/0x1580 [ 1173.176584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.176584][ T10] ip6_route_add+0x1c/0x140 [ 1173.176584][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1173.176584][ T10] addrconf_add_dev+0xe2/0x170 [ 1173.176584][ T10] inet6_addr_add+0x12f/0xa40 [ 1173.176584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.176584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.176584][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.176584][ T10] netlink_unicast+0x449/0x710 [ 1173.176584][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.176584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.176584][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.176584][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.176584][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.176584][ T10] [ 1173.178578][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1173.178578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1173.178578][ T10] ipv6_find_idev+0x102/0x170 [ 1173.178578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.178578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.178578][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.178578][ T10] netlink_unicast+0x449/0x710 [ 1173.178578][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.178578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.178578][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.178578][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.178578][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.178578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.178578][ T10] [ 1173.180139][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1173.180139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1173.180139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1173.180139][ T10] ipv6_find_idev+0x102/0x170 [ 1173.180139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.180139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.180139][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.180139][ T10] netlink_unicast+0x449/0x710 [ 1173.180139][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.180139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.180139][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.180139][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.180139][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.180139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.180139][ T10] [ 1173.181848][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1173.182154][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1173.182154][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.182154][ T10] fib6_nh_init+0x3d8/0x1580 [ 1173.182154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.182154][ T10] ip6_route_add+0x1c/0x140 [ 1173.182154][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1173.182154][ T10] inet6_addr_add+0x4f8/0xa40 [ 1173.182154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.182154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.182154][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.182154][ T10] netlink_unicast+0x449/0x710 [ 1173.182154][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.182154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.182154][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.182154][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.182154][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.182154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.182154][ T10] [ 1173.184180][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1173.184180][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.184180][ T10] fib6_nh_init+0x3d8/0x1580 [ 1173.184180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.184180][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1173.184180][ T10] ipv6_add_addr+0x411/0x2000 [ 1173.184180][ T10] inet6_addr_add+0x30e/0xa40 [ 1173.184180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.184180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.184180][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.184180][ T10] netlink_unicast+0x449/0x710 [ 1173.184180][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.184180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.184180][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.184180][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.184180][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.184180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.184180][ T10] [ 1173.186204][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1173.186204][ T10] netdev_get_by_index+0x5e/0x80 [ 1173.186204][ T10] fib6_nh_init+0x3d8/0x1580 [ 1173.186204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1173.186204][ T10] ip6_route_add+0x1c/0x140 [ 1173.186204][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1173.186204][ T10] addrconf_add_dev+0xe2/0x170 [ 1173.186204][ T10] inet6_addr_add+0x12f/0xa40 [ 1173.186204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1173.186204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.186204][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.186204][ T10] netlink_unicast+0x449/0x710 [ 1173.186204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.186204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.186204][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.186204][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.186204][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.186204][ T10] [ 1173.188212][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1173.188212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1173.188212][ T10] ipv6_find_idev+0x102/0x170 [ 1173.188212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.188212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.188212][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.188212][ T10] netlink_unicast+0x449/0x710 [ 1173.188212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.188212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.188212][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.188212][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.188212][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.188212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.188212][ T10] [ 1173.189770][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1173.189770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1173.189770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1173.189770][ T10] ipv6_find_idev+0x102/0x170 [ 1173.189770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1173.189770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.189770][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.189770][ T10] netlink_unicast+0x449/0x710 [ 1173.189770][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.189770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.189770][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.189770][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.189770][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.189770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.189770][ T10] [ 1173.191484][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1173.191730][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1173.191730][ T10] vlan_dev_init+0x97c/0xdd0 [ 1173.191730][ T10] register_netdevice+0x4d3/0x1690 [ 1173.191730][ T10] register_vlan_dev+0x162/0x4a0 [ 1173.191730][ T10] vlan_newlink+0x393/0x610 [ 1173.191730][ T10] rtnl_newlink_create+0x341/0x850 [ 1173.191730][ T10] __rtnl_newlink+0xac9/0xd80 [ 1173.191730][ T10] rtnl_newlink+0x63/0xa0 [ 1173.191730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1173.191730][ T10] netlink_rcv_skb+0x130/0x360 [ 1173.191730][ T10] netlink_unicast+0x449/0x710 [ 1173.191730][ T10] netlink_sendmsg+0x723/0xbe0 [ 1173.191730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1173.191730][ T10] ___sys_sendmsg+0xee/0x170 [ 1173.191730][ T10] __sys_sendmsg+0xcd/0x170 [ 1173.191730][ T10] do_syscall_64+0xc6/0x1e0 [ 1173.191730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1173.191730][ T10] [ 1183.435996][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1183.436502][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1183.436502][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.436502][ T10] fib6_nh_init+0x3d8/0x1580 [ 1183.436502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.436502][ T10] ip6_route_add+0x1c/0x140 [ 1183.436502][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1183.436502][ T10] inet6_addr_add+0x4f8/0xa40 [ 1183.436502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.436502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.436502][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.436502][ T10] netlink_unicast+0x449/0x710 [ 1183.436502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.436502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.436502][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.436502][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.436502][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.436502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.436502][ T10] [ 1183.438710][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1183.438710][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.438710][ T10] fib6_nh_init+0x3d8/0x1580 [ 1183.438710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.438710][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1183.438710][ T10] ipv6_add_addr+0x411/0x2000 [ 1183.438710][ T10] inet6_addr_add+0x30e/0xa40 [ 1183.438710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.438710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.438710][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.438710][ T10] netlink_unicast+0x449/0x710 [ 1183.438710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.438710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.438710][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.438710][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.438710][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.438710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.438710][ T10] [ 1183.440899][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1183.440899][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.440899][ T10] fib6_nh_init+0x3d8/0x1580 [ 1183.440899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.440899][ T10] ip6_route_add+0x1c/0x140 [ 1183.440899][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1183.440899][ T10] addrconf_add_dev+0xe2/0x170 [ 1183.440899][ T10] inet6_addr_add+0x12f/0xa40 [ 1183.440899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.440899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.440899][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.440899][ T10] netlink_unicast+0x449/0x710 [ 1183.440899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.440899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.440899][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.440899][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.440899][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.440899][ T10] [ 1183.443045][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1183.443045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1183.443045][ T10] ipv6_find_idev+0x102/0x170 [ 1183.443045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.443045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.443045][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.443045][ T10] netlink_unicast+0x449/0x710 [ 1183.443045][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.443045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.443045][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.443045][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.443045][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.443045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.443045][ T10] [ 1183.444732][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1183.444732][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1183.444732][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1183.444732][ T10] ipv6_find_idev+0x102/0x170 [ 1183.444732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.444732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.444732][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.444732][ T10] netlink_unicast+0x449/0x710 [ 1183.444732][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.444732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.444732][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.444732][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.444732][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.444732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.444732][ T10] [ 1183.446571][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1183.446865][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1183.446865][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.446865][ T10] fib6_nh_init+0x3d8/0x1580 [ 1183.446865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.446865][ T10] ip6_route_add+0x1c/0x140 [ 1183.446865][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1183.446865][ T10] inet6_addr_add+0x4f8/0xa40 [ 1183.446865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.446865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.446865][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.446865][ T10] netlink_unicast+0x449/0x710 [ 1183.446865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.446865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.446865][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.446865][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.446865][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.446865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.446865][ T10] [ 1183.449049][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1183.449049][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.449049][ T10] fib6_nh_init+0x3d8/0x1580 [ 1183.449049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.449049][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1183.449049][ T10] ipv6_add_addr+0x411/0x2000 [ 1183.449049][ T10] inet6_addr_add+0x30e/0xa40 [ 1183.449049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.449049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.449049][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.449049][ T10] netlink_unicast+0x449/0x710 [ 1183.449049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.449049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.449049][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.449049][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.449049][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.449049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.449049][ T10] [ 1183.451231][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1183.451231][ T10] netdev_get_by_index+0x5e/0x80 [ 1183.451231][ T10] fib6_nh_init+0x3d8/0x1580 [ 1183.451231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1183.451231][ T10] ip6_route_add+0x1c/0x140 [ 1183.451231][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1183.451231][ T10] addrconf_add_dev+0xe2/0x170 [ 1183.451231][ T10] inet6_addr_add+0x12f/0xa40 [ 1183.451231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1183.451231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.451231][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.451231][ T10] netlink_unicast+0x449/0x710 [ 1183.451231][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.451231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.451231][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.451231][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.451231][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.451231][ T10] [ 1183.453383][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1183.453383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1183.453383][ T10] ipv6_find_idev+0x102/0x170 [ 1183.453383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.453383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.453383][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.453383][ T10] netlink_unicast+0x449/0x710 [ 1183.453383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.453383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.453383][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.453383][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.453383][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.453383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.453383][ T10] [ 1183.455067][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1183.455067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1183.455067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1183.455067][ T10] ipv6_find_idev+0x102/0x170 [ 1183.455067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1183.455067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.455067][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.455067][ T10] netlink_unicast+0x449/0x710 [ 1183.455067][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.455067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.455067][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.455067][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.455067][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.455067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.455067][ T10] [ 1183.456908][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1183.457169][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1183.457169][ T10] vlan_dev_init+0x97c/0xdd0 [ 1183.457169][ T10] register_netdevice+0x4d3/0x1690 [ 1183.457169][ T10] register_vlan_dev+0x162/0x4a0 [ 1183.457169][ T10] vlan_newlink+0x393/0x610 [ 1183.457169][ T10] rtnl_newlink_create+0x341/0x850 [ 1183.457169][ T10] __rtnl_newlink+0xac9/0xd80 [ 1183.457169][ T10] rtnl_newlink+0x63/0xa0 [ 1183.457169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1183.457169][ T10] netlink_rcv_skb+0x130/0x360 [ 1183.457169][ T10] netlink_unicast+0x449/0x710 [ 1183.457169][ T10] netlink_sendmsg+0x723/0xbe0 [ 1183.457169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1183.457169][ T10] ___sys_sendmsg+0xee/0x170 [ 1183.457169][ T10] __sys_sendmsg+0xcd/0x170 [ 1183.457169][ T10] do_syscall_64+0xc6/0x1e0 [ 1183.457169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1183.457169][ T10] [ 1193.700007][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1193.700473][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1193.700473][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.700473][ T10] fib6_nh_init+0x3d8/0x1580 [ 1193.700473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.700473][ T10] ip6_route_add+0x1c/0x140 [ 1193.700473][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1193.700473][ T10] inet6_addr_add+0x4f8/0xa40 [ 1193.700473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.700473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.700473][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.700473][ T10] netlink_unicast+0x449/0x710 [ 1193.700473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.700473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.700473][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.700473][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.700473][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.700473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.700473][ T10] [ 1193.702874][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1193.702874][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.702874][ T10] fib6_nh_init+0x3d8/0x1580 [ 1193.702874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.702874][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1193.702874][ T10] ipv6_add_addr+0x411/0x2000 [ 1193.702874][ T10] inet6_addr_add+0x30e/0xa40 [ 1193.702874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.702874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.702874][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.702874][ T10] netlink_unicast+0x449/0x710 [ 1193.702874][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.702874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.702874][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.702874][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.702874][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.702874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.702874][ T10] [ 1193.705082][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1193.705082][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.705082][ T10] fib6_nh_init+0x3d8/0x1580 [ 1193.705082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.705082][ T10] ip6_route_add+0x1c/0x140 [ 1193.705082][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1193.705082][ T10] addrconf_add_dev+0xe2/0x170 [ 1193.705082][ T10] inet6_addr_add+0x12f/0xa40 [ 1193.705082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.705082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.705082][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.705082][ T10] netlink_unicast+0x449/0x710 [ 1193.705082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.705082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.705082][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.705082][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.705082][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.705082][ T10] [ 1193.707252][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1193.707252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1193.707252][ T10] ipv6_find_idev+0x102/0x170 [ 1193.707252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.707252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.707252][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.707252][ T10] netlink_unicast+0x449/0x710 [ 1193.707252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.707252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.707252][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.707252][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.707252][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.707252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.707252][ T10] [ 1193.708943][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1193.708943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1193.708943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1193.708943][ T10] ipv6_find_idev+0x102/0x170 [ 1193.708943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.708943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.708943][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.708943][ T10] netlink_unicast+0x449/0x710 [ 1193.708943][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.708943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.708943][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.708943][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.708943][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.708943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.708943][ T10] [ 1193.710809][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1193.711112][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1193.711112][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.711112][ T10] fib6_nh_init+0x3d8/0x1580 [ 1193.711112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.711112][ T10] ip6_route_add+0x1c/0x140 [ 1193.711112][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1193.711112][ T10] inet6_addr_add+0x4f8/0xa40 [ 1193.711112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.711112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.711112][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.711112][ T10] netlink_unicast+0x449/0x710 [ 1193.711112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.711112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.711112][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.711112][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.711112][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.711112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.711112][ T10] [ 1193.713310][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1193.713310][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.713310][ T10] fib6_nh_init+0x3d8/0x1580 [ 1193.713310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.713310][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1193.713310][ T10] ipv6_add_addr+0x411/0x2000 [ 1193.713310][ T10] inet6_addr_add+0x30e/0xa40 [ 1193.713310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.713310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.713310][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.713310][ T10] netlink_unicast+0x449/0x710 [ 1193.713310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.713310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.713310][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.713310][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.713310][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.713310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.713310][ T10] [ 1193.715500][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1193.715500][ T10] netdev_get_by_index+0x5e/0x80 [ 1193.715500][ T10] fib6_nh_init+0x3d8/0x1580 [ 1193.715500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1193.715500][ T10] ip6_route_add+0x1c/0x140 [ 1193.715500][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1193.715500][ T10] addrconf_add_dev+0xe2/0x170 [ 1193.715500][ T10] inet6_addr_add+0x12f/0xa40 [ 1193.715500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1193.715500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.715500][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.715500][ T10] netlink_unicast+0x449/0x710 [ 1193.715500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.715500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.715500][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.715500][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.715500][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.715500][ T10] [ 1193.717675][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1193.717675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1193.717675][ T10] ipv6_find_idev+0x102/0x170 [ 1193.717675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.717675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.717675][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.717675][ T10] netlink_unicast+0x449/0x710 [ 1193.717675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.717675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.717675][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.717675][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.717675][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.717675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.717675][ T10] [ 1193.719375][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1193.719375][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1193.719375][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1193.719375][ T10] ipv6_find_idev+0x102/0x170 [ 1193.719375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1193.719375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.719375][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.719375][ T10] netlink_unicast+0x449/0x710 [ 1193.719375][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.719375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.719375][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.719375][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.719375][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.719375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.719375][ T10] [ 1193.721229][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1193.721496][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1193.721496][ T10] vlan_dev_init+0x97c/0xdd0 [ 1193.721496][ T10] register_netdevice+0x4d3/0x1690 [ 1193.721496][ T10] register_vlan_dev+0x162/0x4a0 [ 1193.721496][ T10] vlan_newlink+0x393/0x610 [ 1193.721496][ T10] rtnl_newlink_create+0x341/0x850 [ 1193.721496][ T10] __rtnl_newlink+0xac9/0xd80 [ 1193.721496][ T10] rtnl_newlink+0x63/0xa0 [ 1193.721496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1193.721496][ T10] netlink_rcv_skb+0x130/0x360 [ 1193.721496][ T10] netlink_unicast+0x449/0x710 [ 1193.721496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1193.721496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1193.721496][ T10] ___sys_sendmsg+0xee/0x170 [ 1193.721496][ T10] __sys_sendmsg+0xcd/0x170 [ 1193.721496][ T10] do_syscall_64+0xc6/0x1e0 [ 1193.721496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1193.721496][ T10] [ 1203.868012][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1203.868489][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1203.868489][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.868489][ T10] fib6_nh_init+0x3d8/0x1580 [ 1203.868489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.868489][ T10] ip6_route_add+0x1c/0x140 [ 1203.868489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1203.868489][ T10] inet6_addr_add+0x4f8/0xa40 [ 1203.868489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.868489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.868489][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.868489][ T10] netlink_unicast+0x449/0x710 [ 1203.868489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.868489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.868489][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.868489][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.868489][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.868489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.868489][ T10] [ 1203.870720][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1203.870720][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.870720][ T10] fib6_nh_init+0x3d8/0x1580 [ 1203.870720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.870720][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1203.870720][ T10] ipv6_add_addr+0x411/0x2000 [ 1203.870720][ T10] inet6_addr_add+0x30e/0xa40 [ 1203.870720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.870720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.870720][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.870720][ T10] netlink_unicast+0x449/0x710 [ 1203.870720][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.870720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.870720][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.870720][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.870720][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.870720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.870720][ T10] [ 1203.872915][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1203.872915][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.872915][ T10] fib6_nh_init+0x3d8/0x1580 [ 1203.872915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.872915][ T10] ip6_route_add+0x1c/0x140 [ 1203.872915][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1203.872915][ T10] addrconf_add_dev+0xe2/0x170 [ 1203.872915][ T10] inet6_addr_add+0x12f/0xa40 [ 1203.872915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.872915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.872915][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.872915][ T10] netlink_unicast+0x449/0x710 [ 1203.872915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.872915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.872915][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.872915][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.872915][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.872915][ T10] [ 1203.875065][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1203.875065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1203.875065][ T10] ipv6_find_idev+0x102/0x170 [ 1203.875065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.875065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.875065][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.875065][ T10] netlink_unicast+0x449/0x710 [ 1203.875065][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.875065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.875065][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.875065][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.875065][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.875065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.875065][ T10] [ 1203.876752][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1203.876752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1203.876752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1203.876752][ T10] ipv6_find_idev+0x102/0x170 [ 1203.876752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.876752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.876752][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.876752][ T10] netlink_unicast+0x449/0x710 [ 1203.876752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.876752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.876752][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.876752][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.876752][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.876752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.876752][ T10] [ 1203.878617][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1203.878917][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1203.878917][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.878917][ T10] fib6_nh_init+0x3d8/0x1580 [ 1203.878917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.878917][ T10] ip6_route_add+0x1c/0x140 [ 1203.878917][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1203.878917][ T10] inet6_addr_add+0x4f8/0xa40 [ 1203.878917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.878917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.878917][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.878917][ T10] netlink_unicast+0x449/0x710 [ 1203.878917][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.878917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.878917][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.878917][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.878917][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.878917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.878917][ T10] [ 1203.881122][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1203.881122][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.881122][ T10] fib6_nh_init+0x3d8/0x1580 [ 1203.881122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.881122][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1203.881122][ T10] ipv6_add_addr+0x411/0x2000 [ 1203.881122][ T10] inet6_addr_add+0x30e/0xa40 [ 1203.881122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.881122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.881122][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.881122][ T10] netlink_unicast+0x449/0x710 [ 1203.881122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.881122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.881122][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.881122][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.881122][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.881122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.881122][ T10] [ 1203.883327][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1203.883327][ T10] netdev_get_by_index+0x5e/0x80 [ 1203.883327][ T10] fib6_nh_init+0x3d8/0x1580 [ 1203.883327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1203.883327][ T10] ip6_route_add+0x1c/0x140 [ 1203.883327][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1203.883327][ T10] addrconf_add_dev+0xe2/0x170 [ 1203.883327][ T10] inet6_addr_add+0x12f/0xa40 [ 1203.883327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1203.883327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.883327][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.883327][ T10] netlink_unicast+0x449/0x710 [ 1203.883327][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.883327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.883327][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.883327][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.883327][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.883327][ T10] [ 1203.885496][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1203.885496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1203.885496][ T10] ipv6_find_idev+0x102/0x170 [ 1203.885496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.885496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.885496][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.885496][ T10] netlink_unicast+0x449/0x710 [ 1203.885496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.885496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.885496][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.885496][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.885496][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.885496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.885496][ T10] [ 1203.887204][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1203.887204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1203.887204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1203.887204][ T10] ipv6_find_idev+0x102/0x170 [ 1203.887204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1203.887204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.887204][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.887204][ T10] netlink_unicast+0x449/0x710 [ 1203.887204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.887204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.887204][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.887204][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.887204][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.887204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.887204][ T10] [ 1203.889080][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1203.889359][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1203.889359][ T10] vlan_dev_init+0x97c/0xdd0 [ 1203.889359][ T10] register_netdevice+0x4d3/0x1690 [ 1203.889359][ T10] register_vlan_dev+0x162/0x4a0 [ 1203.889359][ T10] vlan_newlink+0x393/0x610 [ 1203.889359][ T10] rtnl_newlink_create+0x341/0x850 [ 1203.889359][ T10] __rtnl_newlink+0xac9/0xd80 [ 1203.889359][ T10] rtnl_newlink+0x63/0xa0 [ 1203.889359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1203.889359][ T10] netlink_rcv_skb+0x130/0x360 [ 1203.889359][ T10] netlink_unicast+0x449/0x710 [ 1203.889359][ T10] netlink_sendmsg+0x723/0xbe0 [ 1203.889359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1203.889359][ T10] ___sys_sendmsg+0xee/0x170 [ 1203.889359][ T10] __sys_sendmsg+0xcd/0x170 [ 1203.889359][ T10] do_syscall_64+0xc6/0x1e0 [ 1203.889359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1203.889359][ T10] [ 1213.940004][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1213.940502][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1213.940502][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.940502][ T10] fib6_nh_init+0x3d8/0x1580 [ 1213.940502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.940502][ T10] ip6_route_add+0x1c/0x140 [ 1213.940502][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1213.940502][ T10] inet6_addr_add+0x4f8/0xa40 [ 1213.940502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.940502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.940502][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.940502][ T10] netlink_unicast+0x449/0x710 [ 1213.940502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.940502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.940502][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.940502][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.940502][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.940502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.940502][ T10] [ 1213.942592][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1213.942592][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.942592][ T10] fib6_nh_init+0x3d8/0x1580 [ 1213.942592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.942592][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1213.942592][ T10] ipv6_add_addr+0x411/0x2000 [ 1213.942592][ T10] inet6_addr_add+0x30e/0xa40 [ 1213.942592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.942592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.942592][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.942592][ T10] netlink_unicast+0x449/0x710 [ 1213.942592][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.942592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.942592][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.942592][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.942592][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.942592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.942592][ T10] [ 1213.944636][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1213.944636][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.944636][ T10] fib6_nh_init+0x3d8/0x1580 [ 1213.944636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.944636][ T10] ip6_route_add+0x1c/0x140 [ 1213.944636][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1213.944636][ T10] addrconf_add_dev+0xe2/0x170 [ 1213.944636][ T10] inet6_addr_add+0x12f/0xa40 [ 1213.944636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.944636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.944636][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.944636][ T10] netlink_unicast+0x449/0x710 [ 1213.944636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.944636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.944636][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.944636][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.944636][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.944636][ T10] [ 1213.946652][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1213.946652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1213.946652][ T10] ipv6_find_idev+0x102/0x170 [ 1213.946652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.946652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.946652][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.946652][ T10] netlink_unicast+0x449/0x710 [ 1213.946652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.946652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.946652][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.946652][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.946652][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.946652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.946652][ T10] [ 1213.948236][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1213.948236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1213.948236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1213.948236][ T10] ipv6_find_idev+0x102/0x170 [ 1213.948236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.948236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.948236][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.948236][ T10] netlink_unicast+0x449/0x710 [ 1213.948236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.948236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.948236][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.948236][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.948236][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.948236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.948236][ T10] [ 1213.949977][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1213.950265][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1213.950265][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.950265][ T10] fib6_nh_init+0x3d8/0x1580 [ 1213.950265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.950265][ T10] ip6_route_add+0x1c/0x140 [ 1213.950265][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1213.950265][ T10] inet6_addr_add+0x4f8/0xa40 [ 1213.950265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.950265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.950265][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.950265][ T10] netlink_unicast+0x449/0x710 [ 1213.950265][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.950265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.950265][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.950265][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.950265][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.950265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.950265][ T10] [ 1213.952299][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1213.952299][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.952299][ T10] fib6_nh_init+0x3d8/0x1580 [ 1213.952299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.952299][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1213.952299][ T10] ipv6_add_addr+0x411/0x2000 [ 1213.952299][ T10] inet6_addr_add+0x30e/0xa40 [ 1213.952299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.952299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.952299][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.952299][ T10] netlink_unicast+0x449/0x710 [ 1213.952299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.952299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.952299][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.952299][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.952299][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.952299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.952299][ T10] [ 1213.954333][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1213.954333][ T10] netdev_get_by_index+0x5e/0x80 [ 1213.954333][ T10] fib6_nh_init+0x3d8/0x1580 [ 1213.954333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1213.954333][ T10] ip6_route_add+0x1c/0x140 [ 1213.954333][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1213.954333][ T10] addrconf_add_dev+0xe2/0x170 [ 1213.954333][ T10] inet6_addr_add+0x12f/0xa40 [ 1213.954333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1213.954333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.954333][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.954333][ T10] netlink_unicast+0x449/0x710 [ 1213.954333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.954333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.954333][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.954333][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.954333][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.954333][ T10] [ 1213.956423][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1213.956423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1213.956423][ T10] ipv6_find_idev+0x102/0x170 [ 1213.956423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.956423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.956423][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.956423][ T10] netlink_unicast+0x449/0x710 [ 1213.956423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.956423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.956423][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.956423][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.956423][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.956423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.956423][ T10] [ 1213.957986][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1213.957986][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1213.957986][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1213.957986][ T10] ipv6_find_idev+0x102/0x170 [ 1213.957986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1213.957986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.957986][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.957986][ T10] netlink_unicast+0x449/0x710 [ 1213.957986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.957986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.957986][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.957986][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.957986][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.957986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.957986][ T10] [ 1213.959683][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1213.959933][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1213.959933][ T10] vlan_dev_init+0x97c/0xdd0 [ 1213.959933][ T10] register_netdevice+0x4d3/0x1690 [ 1213.959933][ T10] register_vlan_dev+0x162/0x4a0 [ 1213.959933][ T10] vlan_newlink+0x393/0x610 [ 1213.959933][ T10] rtnl_newlink_create+0x341/0x850 [ 1213.959933][ T10] __rtnl_newlink+0xac9/0xd80 [ 1213.959933][ T10] rtnl_newlink+0x63/0xa0 [ 1213.959933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1213.959933][ T10] netlink_rcv_skb+0x130/0x360 [ 1213.959933][ T10] netlink_unicast+0x449/0x710 [ 1213.959933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1213.959933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1213.959933][ T10] ___sys_sendmsg+0xee/0x170 [ 1213.959933][ T10] __sys_sendmsg+0xcd/0x170 [ 1213.959933][ T10] do_syscall_64+0xc6/0x1e0 [ 1213.959933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1213.959933][ T10] [ 1224.204005][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1224.204506][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1224.204506][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.204506][ T10] fib6_nh_init+0x3d8/0x1580 [ 1224.204506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.204506][ T10] ip6_route_add+0x1c/0x140 [ 1224.204506][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1224.204506][ T10] inet6_addr_add+0x4f8/0xa40 [ 1224.204506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.204506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.204506][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.204506][ T10] netlink_unicast+0x449/0x710 [ 1224.204506][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.204506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.204506][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.204506][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.204506][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.204506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.204506][ T10] [ 1224.206562][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1224.206562][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.206562][ T10] fib6_nh_init+0x3d8/0x1580 [ 1224.206562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.206562][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1224.206562][ T10] ipv6_add_addr+0x411/0x2000 [ 1224.206562][ T10] inet6_addr_add+0x30e/0xa40 [ 1224.206562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.206562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.206562][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.206562][ T10] netlink_unicast+0x449/0x710 [ 1224.206562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.206562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.206562][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.206562][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.206562][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.206562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.206562][ T10] [ 1224.208620][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1224.208620][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.208620][ T10] fib6_nh_init+0x3d8/0x1580 [ 1224.208620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.208620][ T10] ip6_route_add+0x1c/0x140 [ 1224.208620][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1224.208620][ T10] addrconf_add_dev+0xe2/0x170 [ 1224.208620][ T10] inet6_addr_add+0x12f/0xa40 [ 1224.208620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.208620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.208620][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.208620][ T10] netlink_unicast+0x449/0x710 [ 1224.208620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.208620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.208620][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.208620][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.208620][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.208620][ T10] [ 1224.210607][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1224.210607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1224.210607][ T10] ipv6_find_idev+0x102/0x170 [ 1224.210607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.210607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.210607][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.210607][ T10] netlink_unicast+0x449/0x710 [ 1224.210607][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.210607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.210607][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.210607][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.210607][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.210607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.210607][ T10] [ 1224.212165][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1224.212165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1224.212165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1224.212165][ T10] ipv6_find_idev+0x102/0x170 [ 1224.212165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.212165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.212165][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.212165][ T10] netlink_unicast+0x449/0x710 [ 1224.212165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.212165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.212165][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.212165][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.212165][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.212165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.212165][ T10] [ 1224.213895][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1224.214179][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1224.214179][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.214179][ T10] fib6_nh_init+0x3d8/0x1580 [ 1224.214179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.214179][ T10] ip6_route_add+0x1c/0x140 [ 1224.214179][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1224.214179][ T10] inet6_addr_add+0x4f8/0xa40 [ 1224.214179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.214179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.214179][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.214179][ T10] netlink_unicast+0x449/0x710 [ 1224.214179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.214179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.214179][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.214179][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.214179][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.214179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.214179][ T10] [ 1224.216188][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1224.216188][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.216188][ T10] fib6_nh_init+0x3d8/0x1580 [ 1224.216188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.216188][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1224.216188][ T10] ipv6_add_addr+0x411/0x2000 [ 1224.216188][ T10] inet6_addr_add+0x30e/0xa40 [ 1224.216188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.216188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.216188][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.216188][ T10] netlink_unicast+0x449/0x710 [ 1224.216188][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.216188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.216188][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.216188][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.216188][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.216188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.216188][ T10] [ 1224.218212][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1224.218212][ T10] netdev_get_by_index+0x5e/0x80 [ 1224.218212][ T10] fib6_nh_init+0x3d8/0x1580 [ 1224.218212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1224.218212][ T10] ip6_route_add+0x1c/0x140 [ 1224.218212][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1224.218212][ T10] addrconf_add_dev+0xe2/0x170 [ 1224.218212][ T10] inet6_addr_add+0x12f/0xa40 [ 1224.218212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1224.218212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.218212][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.218212][ T10] netlink_unicast+0x449/0x710 [ 1224.218212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.218212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.218212][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.218212][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.218212][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.218212][ T10] [ 1224.220192][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1224.220192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1224.220192][ T10] ipv6_find_idev+0x102/0x170 [ 1224.220192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.220192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.220192][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.220192][ T10] netlink_unicast+0x449/0x710 [ 1224.220192][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.220192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.220192][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.220192][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.220192][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.220192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.220192][ T10] [ 1224.221748][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1224.221748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1224.221748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1224.221748][ T10] ipv6_find_idev+0x102/0x170 [ 1224.221748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1224.221748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.221748][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.221748][ T10] netlink_unicast+0x449/0x710 [ 1224.221748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.221748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.221748][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.221748][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.221748][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.221748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.221748][ T10] [ 1224.223463][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1224.223715][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1224.223715][ T10] vlan_dev_init+0x97c/0xdd0 [ 1224.223715][ T10] register_netdevice+0x4d3/0x1690 [ 1224.223715][ T10] register_vlan_dev+0x162/0x4a0 [ 1224.223715][ T10] vlan_newlink+0x393/0x610 [ 1224.223715][ T10] rtnl_newlink_create+0x341/0x850 [ 1224.223715][ T10] __rtnl_newlink+0xac9/0xd80 [ 1224.223715][ T10] rtnl_newlink+0x63/0xa0 [ 1224.223715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1224.223715][ T10] netlink_rcv_skb+0x130/0x360 [ 1224.223715][ T10] netlink_unicast+0x449/0x710 [ 1224.223715][ T10] netlink_sendmsg+0x723/0xbe0 [ 1224.223715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1224.223715][ T10] ___sys_sendmsg+0xee/0x170 [ 1224.223715][ T10] __sys_sendmsg+0xcd/0x170 [ 1224.223715][ T10] do_syscall_64+0xc6/0x1e0 [ 1224.223715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1224.223715][ T10] [ 1230.124015][ T42] INFO: task modprobe:3829 blocked for more than 737 seconds. [ 1230.124370][ T42] Not tainted 6.8.0-virtme #1 [ 1230.124501][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1230.124718][ T42] task:modprobe state:D stack:25648 pid:3829 tgid:3829 ppid:59 flags:0x00004002 [ 1230.125034][ T42] Call Trace: [ 1230.125138][ T42] [ 1230.125215][ T42] __schedule+0x705/0x1ac0 [ 1230.125362][ T42] ? __pfx___schedule+0x10/0x10 [ 1230.125498][ T42] ? schedule+0x1a5/0x210 [ 1230.125604][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1230.125745][ T42] ? mark_lock+0x38/0x3e0 [ 1230.125855][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1230.126006][ T42] ? schedule+0x1a5/0x210 [ 1230.126121][ T42] schedule+0xdf/0x210 [ 1230.126228][ T42] schedule_preempt_disabled+0x15/0x30 [ 1230.126360][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1230.126498][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1230.126675][ T42] ? kasan_save_stack+0x34/0x50 [ 1230.126820][ T42] ? kasan_save_stack+0x24/0x50 [ 1230.126968][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1230.127109][ T42] ? lock_acquire+0x1c1/0x220 [ 1230.127247][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1230.127391][ T42] down_write+0x1c9/0x200 [ 1230.127495][ T42] ? __pfx_down_write+0x10/0x10 [ 1230.127648][ T42] ? __pfx___lock_release+0x10/0x10 [ 1230.127789][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1230.128008][ T42] register_pernet_subsys+0x1a/0x50 [ 1230.128142][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1230.128337][ T42] do_one_initcall+0xc8/0x3f0 [ 1230.128480][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1230.128627][ T42] ? __create_object+0x5e/0xb0 [ 1230.128765][ T42] ? kasan_unpoison+0x27/0x60 [ 1230.128911][ T42] do_init_module+0x233/0x740 [ 1230.129055][ T42] load_module+0x16b5/0x2350 [ 1230.129201][ T42] ? __pfx_load_module+0x10/0x10 [ 1230.129339][ T42] ? kernel_read_file+0x3d2/0x520 [ 1230.129483][ T42] ? kernel_read_file+0x300/0x520 [ 1230.129622][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1230.129770][ T42] ? init_module_from_file+0xd2/0x130 [ 1230.129928][ T42] init_module_from_file+0xd2/0x130 [ 1230.130063][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1230.130235][ T42] ? __lock_release+0x103/0x460 [ 1230.130372][ T42] ? idempotent_init_module+0x32a/0x620 [ 1230.130520][ T42] ? idempotent_init_module+0x32a/0x620 [ 1230.130655][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1230.130798][ T42] idempotent_init_module+0x342/0x620 [ 1230.130942][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1230.131131][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1230.131270][ T42] do_syscall_64+0xc6/0x1e0 [ 1230.131411][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1230.131577][ T42] RIP: 0033:0x7fab981a1e5d [ 1230.131715][ T42] RSP: 002b:00007ffe70d7a428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1230.131931][ T42] RAX: ffffffffffffffda RBX: 0000555e1943ce90 RCX: 00007fab981a1e5d [ 1230.132134][ T42] RDX: 0000000000000000 RSI: 0000555deb69da2a RDI: 0000000000000001 [ 1230.132333][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555e1943d4f0 [ 1230.132530][ T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555deb69da2a [ 1230.132726][ T42] R13: 0000555e1943ce40 R14: 0000555e1943d570 R15: 0000000000000000 [ 1230.132952][ T42] [ 1230.133058][ T42] [ 1230.133058][ T42] Showing all locks held in the system: [ 1230.133248][ T42] 3 locks held by kworker/u16:0/10: [ 1230.133380][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1230.133652][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1230.133915][ T42] #2: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1230.134157][ T42] 1 lock held by khungtaskd/42: [ 1230.134286][ T42] #0: ffffffffb5b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1230.134524][ T42] 2 locks held by kworker/u18:1/59: [ 1230.134654][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1230.134936][ T42] #1: ffffc90000407da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1230.135240][ T42] 1 lock held by modprobe/3829: [ 1230.135367][ T42] #0: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1230.135650][ T42] [ 1230.135718][ T42] ============================================= [ 1230.135718][ T42] [ 1234.468015][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1234.468516][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1234.468516][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.468516][ T10] fib6_nh_init+0x3d8/0x1580 [ 1234.468516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.468516][ T10] ip6_route_add+0x1c/0x140 [ 1234.468516][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1234.468516][ T10] inet6_addr_add+0x4f8/0xa40 [ 1234.468516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.468516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.468516][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.468516][ T10] netlink_unicast+0x449/0x710 [ 1234.468516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.468516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.468516][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.468516][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.468516][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.468516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.468516][ T10] [ 1234.470793][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1234.470793][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.470793][ T10] fib6_nh_init+0x3d8/0x1580 [ 1234.470793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.470793][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1234.470793][ T10] ipv6_add_addr+0x411/0x2000 [ 1234.470793][ T10] inet6_addr_add+0x30e/0xa40 [ 1234.470793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.470793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.470793][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.470793][ T10] netlink_unicast+0x449/0x710 [ 1234.470793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.470793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.470793][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.470793][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.470793][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.470793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.470793][ T10] [ 1234.473075][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1234.473075][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.473075][ T10] fib6_nh_init+0x3d8/0x1580 [ 1234.473075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.473075][ T10] ip6_route_add+0x1c/0x140 [ 1234.473075][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1234.473075][ T10] addrconf_add_dev+0xe2/0x170 [ 1234.473075][ T10] inet6_addr_add+0x12f/0xa40 [ 1234.473075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.473075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.473075][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.473075][ T10] netlink_unicast+0x449/0x710 [ 1234.473075][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.473075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.473075][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.473075][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.473075][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.473075][ T10] [ 1234.475320][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1234.475320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1234.475320][ T10] ipv6_find_idev+0x102/0x170 [ 1234.475320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.475320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.475320][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.475320][ T10] netlink_unicast+0x449/0x710 [ 1234.475320][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.475320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.475320][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.475320][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.475320][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.475320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.475320][ T10] [ 1234.477070][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1234.477070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1234.477070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1234.477070][ T10] ipv6_find_idev+0x102/0x170 [ 1234.477070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.477070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.477070][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.477070][ T10] netlink_unicast+0x449/0x710 [ 1234.477070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.477070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.477070][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.477070][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.477070][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.477070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.477070][ T10] [ 1234.478985][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1234.479294][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1234.479294][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.479294][ T10] fib6_nh_init+0x3d8/0x1580 [ 1234.479294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.479294][ T10] ip6_route_add+0x1c/0x140 [ 1234.479294][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1234.479294][ T10] inet6_addr_add+0x4f8/0xa40 [ 1234.479294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.479294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.479294][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.479294][ T10] netlink_unicast+0x449/0x710 [ 1234.479294][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.479294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.479294][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.479294][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.479294][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.479294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.479294][ T10] [ 1234.481555][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1234.481555][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.481555][ T10] fib6_nh_init+0x3d8/0x1580 [ 1234.481555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.481555][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1234.481555][ T10] ipv6_add_addr+0x411/0x2000 [ 1234.481555][ T10] inet6_addr_add+0x30e/0xa40 [ 1234.481555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.481555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.481555][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.481555][ T10] netlink_unicast+0x449/0x710 [ 1234.481555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.481555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.481555][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.481555][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.481555][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.481555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.481555][ T10] [ 1234.483802][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1234.483802][ T10] netdev_get_by_index+0x5e/0x80 [ 1234.483802][ T10] fib6_nh_init+0x3d8/0x1580 [ 1234.483802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1234.483802][ T10] ip6_route_add+0x1c/0x140 [ 1234.483802][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1234.483802][ T10] addrconf_add_dev+0xe2/0x170 [ 1234.483802][ T10] inet6_addr_add+0x12f/0xa40 [ 1234.483802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1234.483802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.483802][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.483802][ T10] netlink_unicast+0x449/0x710 [ 1234.483802][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.483802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.483802][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.483802][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.483802][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.483802][ T10] [ 1234.486018][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1234.486018][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1234.486018][ T10] ipv6_find_idev+0x102/0x170 [ 1234.486018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.486018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.486018][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.486018][ T10] netlink_unicast+0x449/0x710 [ 1234.486018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.486018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.486018][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.486018][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.486018][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.486018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.486018][ T10] [ 1234.487849][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1234.487849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1234.487849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1234.487849][ T10] ipv6_find_idev+0x102/0x170 [ 1234.487849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1234.487849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.487849][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.487849][ T10] netlink_unicast+0x449/0x710 [ 1234.487849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.487849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.487849][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.487849][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.487849][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.487849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.487849][ T10] [ 1234.489761][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1234.490045][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1234.490045][ T10] vlan_dev_init+0x97c/0xdd0 [ 1234.490045][ T10] register_netdevice+0x4d3/0x1690 [ 1234.490045][ T10] register_vlan_dev+0x162/0x4a0 [ 1234.490045][ T10] vlan_newlink+0x393/0x610 [ 1234.490045][ T10] rtnl_newlink_create+0x341/0x850 [ 1234.490045][ T10] __rtnl_newlink+0xac9/0xd80 [ 1234.490045][ T10] rtnl_newlink+0x63/0xa0 [ 1234.490045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1234.490045][ T10] netlink_rcv_skb+0x130/0x360 [ 1234.490045][ T10] netlink_unicast+0x449/0x710 [ 1234.490045][ T10] netlink_sendmsg+0x723/0xbe0 [ 1234.490045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1234.490045][ T10] ___sys_sendmsg+0xee/0x170 [ 1234.490045][ T10] __sys_sendmsg+0xcd/0x170 [ 1234.490045][ T10] do_syscall_64+0xc6/0x1e0 [ 1234.490045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1234.490045][ T10] [ 1244.732008][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1244.732510][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1244.732510][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.732510][ T10] fib6_nh_init+0x3d8/0x1580 [ 1244.732510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.732510][ T10] ip6_route_add+0x1c/0x140 [ 1244.732510][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1244.732510][ T10] inet6_addr_add+0x4f8/0xa40 [ 1244.732510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.732510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.732510][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.732510][ T10] netlink_unicast+0x449/0x710 [ 1244.732510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.732510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.732510][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.732510][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.732510][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.732510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.732510][ T10] [ 1244.734674][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1244.734674][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.734674][ T10] fib6_nh_init+0x3d8/0x1580 [ 1244.734674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.734674][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1244.734674][ T10] ipv6_add_addr+0x411/0x2000 [ 1244.734674][ T10] inet6_addr_add+0x30e/0xa40 [ 1244.734674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.734674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.734674][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.734674][ T10] netlink_unicast+0x449/0x710 [ 1244.734674][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.734674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.734674][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.734674][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.734674][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.734674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.734674][ T10] [ 1244.736710][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1244.736710][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.736710][ T10] fib6_nh_init+0x3d8/0x1580 [ 1244.736710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.736710][ T10] ip6_route_add+0x1c/0x140 [ 1244.736710][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1244.736710][ T10] addrconf_add_dev+0xe2/0x170 [ 1244.736710][ T10] inet6_addr_add+0x12f/0xa40 [ 1244.736710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.736710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.736710][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.736710][ T10] netlink_unicast+0x449/0x710 [ 1244.736710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.736710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.736710][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.736710][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.736710][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.736710][ T10] [ 1244.738699][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1244.738699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1244.738699][ T10] ipv6_find_idev+0x102/0x170 [ 1244.738699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.738699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.738699][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.738699][ T10] netlink_unicast+0x449/0x710 [ 1244.738699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.738699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.738699][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.738699][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.738699][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.738699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.738699][ T10] [ 1244.740256][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1244.740256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1244.740256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1244.740256][ T10] ipv6_find_idev+0x102/0x170 [ 1244.740256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.740256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.740256][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.740256][ T10] netlink_unicast+0x449/0x710 [ 1244.740256][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.740256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.740256][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.740256][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.740256][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.740256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.740256][ T10] [ 1244.742017][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1244.742298][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1244.742298][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.742298][ T10] fib6_nh_init+0x3d8/0x1580 [ 1244.742298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.742298][ T10] ip6_route_add+0x1c/0x140 [ 1244.742298][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1244.742298][ T10] inet6_addr_add+0x4f8/0xa40 [ 1244.742298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.742298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.742298][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.742298][ T10] netlink_unicast+0x449/0x710 [ 1244.742298][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.742298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.742298][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.742298][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.742298][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.742298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.742298][ T10] [ 1244.744319][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1244.744319][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.744319][ T10] fib6_nh_init+0x3d8/0x1580 [ 1244.744319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.744319][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1244.744319][ T10] ipv6_add_addr+0x411/0x2000 [ 1244.744319][ T10] inet6_addr_add+0x30e/0xa40 [ 1244.744319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.744319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.744319][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.744319][ T10] netlink_unicast+0x449/0x710 [ 1244.744319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.744319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.744319][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.744319][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.744319][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.744319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.744319][ T10] [ 1244.746333][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1244.746333][ T10] netdev_get_by_index+0x5e/0x80 [ 1244.746333][ T10] fib6_nh_init+0x3d8/0x1580 [ 1244.746333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1244.746333][ T10] ip6_route_add+0x1c/0x140 [ 1244.746333][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1244.746333][ T10] addrconf_add_dev+0xe2/0x170 [ 1244.746333][ T10] inet6_addr_add+0x12f/0xa40 [ 1244.746333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1244.746333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.746333][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.746333][ T10] netlink_unicast+0x449/0x710 [ 1244.746333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.746333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.746333][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.746333][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.746333][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.746333][ T10] [ 1244.748335][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1244.748335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1244.748335][ T10] ipv6_find_idev+0x102/0x170 [ 1244.748335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.748335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.748335][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.748335][ T10] netlink_unicast+0x449/0x710 [ 1244.748335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.748335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.748335][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.748335][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.748335][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.748335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.748335][ T10] [ 1244.749899][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1244.749899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1244.749899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1244.749899][ T10] ipv6_find_idev+0x102/0x170 [ 1244.749899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1244.749899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.749899][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.749899][ T10] netlink_unicast+0x449/0x710 [ 1244.749899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.749899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.749899][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.749899][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.749899][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.749899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.749899][ T10] [ 1244.751595][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1244.751846][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1244.751846][ T10] vlan_dev_init+0x97c/0xdd0 [ 1244.751846][ T10] register_netdevice+0x4d3/0x1690 [ 1244.751846][ T10] register_vlan_dev+0x162/0x4a0 [ 1244.751846][ T10] vlan_newlink+0x393/0x610 [ 1244.751846][ T10] rtnl_newlink_create+0x341/0x850 [ 1244.751846][ T10] __rtnl_newlink+0xac9/0xd80 [ 1244.751846][ T10] rtnl_newlink+0x63/0xa0 [ 1244.751846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1244.751846][ T10] netlink_rcv_skb+0x130/0x360 [ 1244.751846][ T10] netlink_unicast+0x449/0x710 [ 1244.751846][ T10] netlink_sendmsg+0x723/0xbe0 [ 1244.751846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1244.751846][ T10] ___sys_sendmsg+0xee/0x170 [ 1244.751846][ T10] __sys_sendmsg+0xcd/0x170 [ 1244.751846][ T10] do_syscall_64+0xc6/0x1e0 [ 1244.751846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1244.751846][ T10] [ 1254.996017][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1254.996490][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1254.996490][ T10] netdev_get_by_index+0x5e/0x80 [ 1254.996490][ T10] fib6_nh_init+0x3d8/0x1580 [ 1254.996490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1254.996490][ T10] ip6_route_add+0x1c/0x140 [ 1254.996490][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1254.996490][ T10] inet6_addr_add+0x4f8/0xa40 [ 1254.996490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.996490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.996490][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.996490][ T10] netlink_unicast+0x449/0x710 [ 1254.996490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.996490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.996490][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.996490][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.996490][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.996490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.996490][ T10] [ 1254.998532][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1254.998532][ T10] netdev_get_by_index+0x5e/0x80 [ 1254.998532][ T10] fib6_nh_init+0x3d8/0x1580 [ 1254.998532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1254.998532][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1254.998532][ T10] ipv6_add_addr+0x411/0x2000 [ 1254.998532][ T10] inet6_addr_add+0x30e/0xa40 [ 1254.998532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1254.998532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1254.998532][ T10] netlink_rcv_skb+0x130/0x360 [ 1254.998532][ T10] netlink_unicast+0x449/0x710 [ 1254.998532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1254.998532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1254.998532][ T10] ___sys_sendmsg+0xee/0x170 [ 1254.998532][ T10] __sys_sendmsg+0xcd/0x170 [ 1254.998532][ T10] do_syscall_64+0xc6/0x1e0 [ 1254.998532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1254.998532][ T10] [ 1255.000546][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1255.000546][ T10] netdev_get_by_index+0x5e/0x80 [ 1255.000546][ T10] fib6_nh_init+0x3d8/0x1580 [ 1255.000546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1255.000546][ T10] ip6_route_add+0x1c/0x140 [ 1255.000546][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1255.000546][ T10] addrconf_add_dev+0xe2/0x170 [ 1255.000546][ T10] inet6_addr_add+0x12f/0xa40 [ 1255.000546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1255.000546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1255.000546][ T10] netlink_rcv_skb+0x130/0x360 [ 1255.000546][ T10] netlink_unicast+0x449/0x710 [ 1255.000546][ T10] netlink_sendmsg+0x723/0xbe0 [ 1255.000546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1255.000546][ T10] ___sys_sendmsg+0xee/0x170 [ 1255.000546][ T10] __sys_sendmsg+0xcd/0x170 [ 1255.000546][ T10] do_syscall_64+0xc6/0x1e0 [ 1255.000546][ T10] [ 1255.002521][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1255.002521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1255.002521][ T10] ipv6_find_idev+0x102/0x170 [ 1255.002521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1255.002521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1255.002521][ T10] netlink_rcv_skb+0x130/0x360 [ 1255.002521][ T10] netlink_unicast+0x449/0x710 [ 1255.002521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1255.002521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1255.002521][ T10] ___sys_sendmsg+0xee/0x170 [ 1255.002521][ T10] __sys_sendmsg+0xcd/0x170 [ 1255.002521][ T10] do_syscall_64+0xc6/0x1e0 [ 1255.002521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1255.002521][ T10] [ 1255.004063][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1255.004063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1255.004063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1255.004063][ T10] ipv6_find_idev+0x102/0x170 [ 1255.004063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1255.004063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1255.004063][ T10] netlink_rcv_skb+0x130/0x360 [ 1255.004063][ T10] netlink_unicast+0x449/0x710 [ 1255.004063][ T10] netlink_sendmsg+0x723/0xbe0 [ 1255.004063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1255.004063][ T10] ___sys_sendmsg+0xee/0x170 [ 1255.004063][ T10] __sys_sendmsg+0xcd/0x170 [ 1255.004063][ T10] do_syscall_64+0xc6/0x1e0 [ 1255.004063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1255.004063][ T10] [ 1255.005769][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1255.006053][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1255.006053][ T10] netdev_get_by_index+0x5e/0x80 [ 1255.006053][ T10] fib6_nh_init+0x3d8/0x1580 [ 1255.006053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1255.006053][ T10] ip6_route_add+0x1c/0x140 [ 1255.006053][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1255.006053][ T10] inet6_addr_add+0x4f8/0xa40 [ 1255.006053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1255.006053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1255.006053][ T10] netlink_rcv_skb+0x130/0x360 [ 1255.006053][ T10] netlink_unicast+0x449/0x710 [ 1255.006053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1255.006053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1255.006053][ T10] ___sys_sendmsg+0xee/0x170 [ 1255.006053][ T10] __sys_sendmsg+0xcd/0x170 [ 1255.006053][ T10] do_syscall_64+0xc6/0x1e0 [ 1255.006053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1255.006053][ T10] [ 1255.008085][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1255.008085][ T10] netdev_get_by_index+0x5e/0x80 [ 1255.008085][ T10] fib6_nh_init+0x3d8/0x1580 [ 1255.008085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1255.008085][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1255.008085][ T10] ipv6_add_addr+0x411/0x2000 [ 1255.008085][ T10] inet6_addr_add+0x30e/0xa40 [ 1255.008085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1255.008085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1255.008085][ T10] netlink_rcv_skb+0x130/0x360 [ 1255.008085][ T10] netlink_unicast+0x449/0x710 [ 1255.008085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1255.008085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1255.008085][ T10] ___sys_sendmsg+0xee/0x170 [ 1255.008085][ T10] __sys_sendmsg+0xcd/0x170 [ 1255.008085][ T10] do_syscall_64+0xc6/0x1e0 [ 1255.008085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1255.008085][ T10] [ 1255.010091][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1255.010091][ T10] netdev_get_by_index+0x5e/0x80 [ 1255.010091][ T10] fib6_nh_init+0x3d8/0x1580 [ 1255.010091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1255.010091][ T10] ip6_route_add+0x1c/0x140 [ 1255.010091][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1255.010091][ T10] addrconf_add_dev+0xe2/0x170 [ 1255.010091][ T10] inet6_addr_add+0x12f/0xa40 [ 1255.010091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1255.010091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1255.010091][ T10] netlink_rcv_skb+0x130/0x360 [ 1255.010091][ T10] netlink_unicast+0x449/0x710 [ 1255.010091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1255.010091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1255.010091][ T10] ___sys_sendmsg+0xee/0x170 [ 1255.010091][ T10] __sys_sendmsg+0xcd/0x170 [ 1255.010091][ T10] do_syscall_64+0xc6/0x1e0 [ 1255.010091][ T10] [ 1255.012065][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1255.012065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1255.012065][ T10] ipv6_find_idev+0x102/0x170 [ 1255.012065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1255.012065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1255.012065][ T10] netlink_rcv_skb+0x130/0x360 [ 1255.012065][ T10] netlink_unicast+0x449/0x710 [ 1255.012065][ T10] netlink_sendmsg+0x723/0xbe0 [ 1255.012065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1255.012065][ T10] ___sys_sendmsg+0xee/0x170 [ 1255.012065][ T10] __sys_sendmsg+0xcd/0x170 [ 1255.012065][ T10] do_syscall_64+0xc6/0x1e0 [ 1255.012065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1255.012065][ T10] [ 1255.013643][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1255.013643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1255.013643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1255.013643][ T10] ipv6_find_idev+0x102/0x170 [ 1255.013643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1255.013643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1255.013643][ T10] netlink_rcv_skb+0x130/0x360 [ 1255.013643][ T10] netlink_unicast+0x449/0x710 [ 1255.013643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1255.013643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1255.013643][ T10] ___sys_sendmsg+0xee/0x170 [ 1255.013643][ T10] __sys_sendmsg+0xcd/0x170 [ 1255.013643][ T10] do_syscall_64+0xc6/0x1e0 [ 1255.013643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1255.013643][ T10] [ 1255.015358][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1255.015608][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1255.015608][ T10] vlan_dev_init+0x97c/0xdd0 [ 1255.015608][ T10] register_netdevice+0x4d3/0x1690 [ 1255.015608][ T10] register_vlan_dev+0x162/0x4a0 [ 1255.015608][ T10] vlan_newlink+0x393/0x610 [ 1255.015608][ T10] rtnl_newlink_create+0x341/0x850 [ 1255.015608][ T10] __rtnl_newlink+0xac9/0xd80 [ 1255.015608][ T10] rtnl_newlink+0x63/0xa0 [ 1255.015608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1255.015608][ T10] netlink_rcv_skb+0x130/0x360 [ 1255.015608][ T10] netlink_unicast+0x449/0x710 [ 1255.015608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1255.015608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1255.015608][ T10] ___sys_sendmsg+0xee/0x170 [ 1255.015608][ T10] __sys_sendmsg+0xcd/0x170 [ 1255.015608][ T10] do_syscall_64+0xc6/0x1e0 [ 1255.015608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1255.015608][ T10] [ 1265.260000][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1265.260469][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1265.260469][ T10] netdev_get_by_index+0x5e/0x80 [ 1265.260469][ T10] fib6_nh_init+0x3d8/0x1580 [ 1265.260469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1265.260469][ T10] ip6_route_add+0x1c/0x140 [ 1265.260469][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1265.260469][ T10] inet6_addr_add+0x4f8/0xa40 [ 1265.260469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.260469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.260469][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.260469][ T10] netlink_unicast+0x449/0x710 [ 1265.260469][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.260469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.260469][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.260469][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.260469][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.260469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.260469][ T10] [ 1265.262568][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1265.262568][ T10] netdev_get_by_index+0x5e/0x80 [ 1265.262568][ T10] fib6_nh_init+0x3d8/0x1580 [ 1265.262568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1265.262568][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1265.262568][ T10] ipv6_add_addr+0x411/0x2000 [ 1265.262568][ T10] inet6_addr_add+0x30e/0xa40 [ 1265.262568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.262568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.262568][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.262568][ T10] netlink_unicast+0x449/0x710 [ 1265.262568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.262568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.262568][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.262568][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.262568][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.262568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.262568][ T10] [ 1265.264603][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1265.264603][ T10] netdev_get_by_index+0x5e/0x80 [ 1265.264603][ T10] fib6_nh_init+0x3d8/0x1580 [ 1265.264603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1265.264603][ T10] ip6_route_add+0x1c/0x140 [ 1265.264603][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1265.264603][ T10] addrconf_add_dev+0xe2/0x170 [ 1265.264603][ T10] inet6_addr_add+0x12f/0xa40 [ 1265.264603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.264603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.264603][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.264603][ T10] netlink_unicast+0x449/0x710 [ 1265.264603][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.264603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.264603][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.264603][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.264603][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.264603][ T10] [ 1265.266622][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1265.266622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1265.266622][ T10] ipv6_find_idev+0x102/0x170 [ 1265.266622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.266622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.266622][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.266622][ T10] netlink_unicast+0x449/0x710 [ 1265.266622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.266622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.266622][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.266622][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.266622][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.266622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.266622][ T10] [ 1265.268173][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1265.268173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1265.268173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1265.268173][ T10] ipv6_find_idev+0x102/0x170 [ 1265.268173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.268173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.268173][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.268173][ T10] netlink_unicast+0x449/0x710 [ 1265.268173][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.268173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.268173][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.268173][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.268173][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.268173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.268173][ T10] [ 1265.269906][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1265.270191][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1265.270191][ T10] netdev_get_by_index+0x5e/0x80 [ 1265.270191][ T10] fib6_nh_init+0x3d8/0x1580 [ 1265.270191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1265.270191][ T10] ip6_route_add+0x1c/0x140 [ 1265.270191][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1265.270191][ T10] inet6_addr_add+0x4f8/0xa40 [ 1265.270191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.270191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.270191][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.270191][ T10] netlink_unicast+0x449/0x710 [ 1265.270191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.270191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.270191][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.270191][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.270191][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.270191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.270191][ T10] [ 1265.272204][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1265.272204][ T10] netdev_get_by_index+0x5e/0x80 [ 1265.272204][ T10] fib6_nh_init+0x3d8/0x1580 [ 1265.272204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1265.272204][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1265.272204][ T10] ipv6_add_addr+0x411/0x2000 [ 1265.272204][ T10] inet6_addr_add+0x30e/0xa40 [ 1265.272204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.272204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.272204][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.272204][ T10] netlink_unicast+0x449/0x710 [ 1265.272204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.272204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.272204][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.272204][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.272204][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.272204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.272204][ T10] [ 1265.274219][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1265.274219][ T10] netdev_get_by_index+0x5e/0x80 [ 1265.274219][ T10] fib6_nh_init+0x3d8/0x1580 [ 1265.274219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1265.274219][ T10] ip6_route_add+0x1c/0x140 [ 1265.274219][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1265.274219][ T10] addrconf_add_dev+0xe2/0x170 [ 1265.274219][ T10] inet6_addr_add+0x12f/0xa40 [ 1265.274219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1265.274219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.274219][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.274219][ T10] netlink_unicast+0x449/0x710 [ 1265.274219][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.274219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.274219][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.274219][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.274219][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.274219][ T10] [ 1265.276212][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1265.276212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1265.276212][ T10] ipv6_find_idev+0x102/0x170 [ 1265.276212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.276212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.276212][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.276212][ T10] netlink_unicast+0x449/0x710 [ 1265.276212][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.276212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.276212][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.276212][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.276212][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.276212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.276212][ T10] [ 1265.277770][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1265.277770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1265.277770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1265.277770][ T10] ipv6_find_idev+0x102/0x170 [ 1265.277770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1265.277770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.277770][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.277770][ T10] netlink_unicast+0x449/0x710 [ 1265.277770][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.277770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.277770][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.277770][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.277770][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.277770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.277770][ T10] [ 1265.279475][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1265.279719][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1265.279719][ T10] vlan_dev_init+0x97c/0xdd0 [ 1265.279719][ T10] register_netdevice+0x4d3/0x1690 [ 1265.279719][ T10] register_vlan_dev+0x162/0x4a0 [ 1265.279719][ T10] vlan_newlink+0x393/0x610 [ 1265.279719][ T10] rtnl_newlink_create+0x341/0x850 [ 1265.279719][ T10] __rtnl_newlink+0xac9/0xd80 [ 1265.279719][ T10] rtnl_newlink+0x63/0xa0 [ 1265.279719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1265.279719][ T10] netlink_rcv_skb+0x130/0x360 [ 1265.279719][ T10] netlink_unicast+0x449/0x710 [ 1265.279719][ T10] netlink_sendmsg+0x723/0xbe0 [ 1265.279719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1265.279719][ T10] ___sys_sendmsg+0xee/0x170 [ 1265.279719][ T10] __sys_sendmsg+0xcd/0x170 [ 1265.279719][ T10] do_syscall_64+0xc6/0x1e0 [ 1265.279719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1265.279719][ T10] [ 1275.524004][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1275.524472][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1275.524472][ T10] netdev_get_by_index+0x5e/0x80 [ 1275.524472][ T10] fib6_nh_init+0x3d8/0x1580 [ 1275.524472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1275.524472][ T10] ip6_route_add+0x1c/0x140 [ 1275.524472][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1275.524472][ T10] inet6_addr_add+0x4f8/0xa40 [ 1275.524472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.524472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.524472][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.524472][ T10] netlink_unicast+0x449/0x710 [ 1275.524472][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.524472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.524472][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.524472][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.524472][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.524472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.524472][ T10] [ 1275.526536][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1275.526536][ T10] netdev_get_by_index+0x5e/0x80 [ 1275.526536][ T10] fib6_nh_init+0x3d8/0x1580 [ 1275.526536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1275.526536][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1275.526536][ T10] ipv6_add_addr+0x411/0x2000 [ 1275.526536][ T10] inet6_addr_add+0x30e/0xa40 [ 1275.526536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.526536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.526536][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.526536][ T10] netlink_unicast+0x449/0x710 [ 1275.526536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.526536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.526536][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.526536][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.526536][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.526536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.526536][ T10] [ 1275.528561][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1275.528561][ T10] netdev_get_by_index+0x5e/0x80 [ 1275.528561][ T10] fib6_nh_init+0x3d8/0x1580 [ 1275.528561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1275.528561][ T10] ip6_route_add+0x1c/0x140 [ 1275.528561][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1275.528561][ T10] addrconf_add_dev+0xe2/0x170 [ 1275.528561][ T10] inet6_addr_add+0x12f/0xa40 [ 1275.528561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.528561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.528561][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.528561][ T10] netlink_unicast+0x449/0x710 [ 1275.528561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.528561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.528561][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.528561][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.528561][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.528561][ T10] [ 1275.530564][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1275.530564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1275.530564][ T10] ipv6_find_idev+0x102/0x170 [ 1275.530564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.530564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.530564][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.530564][ T10] netlink_unicast+0x449/0x710 [ 1275.530564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.530564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.530564][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.530564][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.530564][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.530564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.530564][ T10] [ 1275.532135][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1275.532135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1275.532135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1275.532135][ T10] ipv6_find_idev+0x102/0x170 [ 1275.532135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.532135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.532135][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.532135][ T10] netlink_unicast+0x449/0x710 [ 1275.532135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.532135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.532135][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.532135][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.532135][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.532135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.532135][ T10] [ 1275.533859][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1275.534152][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1275.534152][ T10] netdev_get_by_index+0x5e/0x80 [ 1275.534152][ T10] fib6_nh_init+0x3d8/0x1580 [ 1275.534152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1275.534152][ T10] ip6_route_add+0x1c/0x140 [ 1275.534152][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1275.534152][ T10] inet6_addr_add+0x4f8/0xa40 [ 1275.534152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.534152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.534152][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.534152][ T10] netlink_unicast+0x449/0x710 [ 1275.534152][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.534152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.534152][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.534152][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.534152][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.534152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.534152][ T10] [ 1275.536191][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1275.536191][ T10] netdev_get_by_index+0x5e/0x80 [ 1275.536191][ T10] fib6_nh_init+0x3d8/0x1580 [ 1275.536191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1275.536191][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1275.536191][ T10] ipv6_add_addr+0x411/0x2000 [ 1275.536191][ T10] inet6_addr_add+0x30e/0xa40 [ 1275.536191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.536191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.536191][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.536191][ T10] netlink_unicast+0x449/0x710 [ 1275.536191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.536191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.536191][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.536191][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.536191][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.536191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.536191][ T10] [ 1275.538251][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1275.538251][ T10] netdev_get_by_index+0x5e/0x80 [ 1275.538251][ T10] fib6_nh_init+0x3d8/0x1580 [ 1275.538251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1275.538251][ T10] ip6_route_add+0x1c/0x140 [ 1275.538251][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1275.538251][ T10] addrconf_add_dev+0xe2/0x170 [ 1275.538251][ T10] inet6_addr_add+0x12f/0xa40 [ 1275.538251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1275.538251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.538251][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.538251][ T10] netlink_unicast+0x449/0x710 [ 1275.538251][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.538251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.538251][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.538251][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.538251][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.538251][ T10] [ 1275.540234][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1275.540234][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1275.540234][ T10] ipv6_find_idev+0x102/0x170 [ 1275.540234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.540234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.540234][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.540234][ T10] netlink_unicast+0x449/0x710 [ 1275.540234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.540234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.540234][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.540234][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.540234][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.540234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.540234][ T10] [ 1275.541788][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1275.541788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1275.541788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1275.541788][ T10] ipv6_find_idev+0x102/0x170 [ 1275.541788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1275.541788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.541788][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.541788][ T10] netlink_unicast+0x449/0x710 [ 1275.541788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.541788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.541788][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.541788][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.541788][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.541788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.541788][ T10] [ 1275.543497][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1275.543745][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1275.543745][ T10] vlan_dev_init+0x97c/0xdd0 [ 1275.543745][ T10] register_netdevice+0x4d3/0x1690 [ 1275.543745][ T10] register_vlan_dev+0x162/0x4a0 [ 1275.543745][ T10] vlan_newlink+0x393/0x610 [ 1275.543745][ T10] rtnl_newlink_create+0x341/0x850 [ 1275.543745][ T10] __rtnl_newlink+0xac9/0xd80 [ 1275.543745][ T10] rtnl_newlink+0x63/0xa0 [ 1275.543745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1275.543745][ T10] netlink_rcv_skb+0x130/0x360 [ 1275.543745][ T10] netlink_unicast+0x449/0x710 [ 1275.543745][ T10] netlink_sendmsg+0x723/0xbe0 [ 1275.543745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1275.543745][ T10] ___sys_sendmsg+0xee/0x170 [ 1275.543745][ T10] __sys_sendmsg+0xcd/0x170 [ 1275.543745][ T10] do_syscall_64+0xc6/0x1e0 [ 1275.543745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1275.543745][ T10] [ 1285.787995][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1285.788465][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1285.788465][ T10] netdev_get_by_index+0x5e/0x80 [ 1285.788465][ T10] fib6_nh_init+0x3d8/0x1580 [ 1285.788465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1285.788465][ T10] ip6_route_add+0x1c/0x140 [ 1285.788465][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1285.788465][ T10] inet6_addr_add+0x4f8/0xa40 [ 1285.788465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.788465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.788465][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.788465][ T10] netlink_unicast+0x449/0x710 [ 1285.788465][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.788465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.788465][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.788465][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.788465][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.788465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.788465][ T10] [ 1285.790500][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1285.790500][ T10] netdev_get_by_index+0x5e/0x80 [ 1285.790500][ T10] fib6_nh_init+0x3d8/0x1580 [ 1285.790500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1285.790500][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1285.790500][ T10] ipv6_add_addr+0x411/0x2000 [ 1285.790500][ T10] inet6_addr_add+0x30e/0xa40 [ 1285.790500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.790500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.790500][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.790500][ T10] netlink_unicast+0x449/0x710 [ 1285.790500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.790500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.790500][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.790500][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.790500][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.790500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.790500][ T10] [ 1285.792515][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1285.792515][ T10] netdev_get_by_index+0x5e/0x80 [ 1285.792515][ T10] fib6_nh_init+0x3d8/0x1580 [ 1285.792515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1285.792515][ T10] ip6_route_add+0x1c/0x140 [ 1285.792515][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1285.792515][ T10] addrconf_add_dev+0xe2/0x170 [ 1285.792515][ T10] inet6_addr_add+0x12f/0xa40 [ 1285.792515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.792515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.792515][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.792515][ T10] netlink_unicast+0x449/0x710 [ 1285.792515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.792515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.792515][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.792515][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.792515][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.792515][ T10] [ 1285.794502][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1285.794502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1285.794502][ T10] ipv6_find_idev+0x102/0x170 [ 1285.794502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.794502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.794502][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.794502][ T10] netlink_unicast+0x449/0x710 [ 1285.794502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.794502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.794502][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.794502][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.794502][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.794502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.794502][ T10] [ 1285.796065][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1285.796065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1285.796065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1285.796065][ T10] ipv6_find_idev+0x102/0x170 [ 1285.796065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.796065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.796065][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.796065][ T10] netlink_unicast+0x449/0x710 [ 1285.796065][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.796065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.796065][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.796065][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.796065][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.796065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.796065][ T10] [ 1285.797790][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1285.798085][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1285.798085][ T10] netdev_get_by_index+0x5e/0x80 [ 1285.798085][ T10] fib6_nh_init+0x3d8/0x1580 [ 1285.798085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1285.798085][ T10] ip6_route_add+0x1c/0x140 [ 1285.798085][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1285.798085][ T10] inet6_addr_add+0x4f8/0xa40 [ 1285.798085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.798085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.798085][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.798085][ T10] netlink_unicast+0x449/0x710 [ 1285.798085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.798085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.798085][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.798085][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.798085][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.798085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.798085][ T10] [ 1285.800100][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1285.800100][ T10] netdev_get_by_index+0x5e/0x80 [ 1285.800100][ T10] fib6_nh_init+0x3d8/0x1580 [ 1285.800100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1285.800100][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1285.800100][ T10] ipv6_add_addr+0x411/0x2000 [ 1285.800100][ T10] inet6_addr_add+0x30e/0xa40 [ 1285.800100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.800100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.800100][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.800100][ T10] netlink_unicast+0x449/0x710 [ 1285.800100][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.800100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.800100][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.800100][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.800100][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.800100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.800100][ T10] [ 1285.802113][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1285.802113][ T10] netdev_get_by_index+0x5e/0x80 [ 1285.802113][ T10] fib6_nh_init+0x3d8/0x1580 [ 1285.802113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1285.802113][ T10] ip6_route_add+0x1c/0x140 [ 1285.802113][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1285.802113][ T10] addrconf_add_dev+0xe2/0x170 [ 1285.802113][ T10] inet6_addr_add+0x12f/0xa40 [ 1285.802113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1285.802113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.802113][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.802113][ T10] netlink_unicast+0x449/0x710 [ 1285.802113][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.802113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.802113][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.802113][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.802113][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.802113][ T10] [ 1285.804087][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1285.804087][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1285.804087][ T10] ipv6_find_idev+0x102/0x170 [ 1285.804087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.804087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.804087][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.804087][ T10] netlink_unicast+0x449/0x710 [ 1285.804087][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.804087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.804087][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.804087][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.804087][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.804087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.804087][ T10] [ 1285.805637][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1285.805637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1285.805637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1285.805637][ T10] ipv6_find_idev+0x102/0x170 [ 1285.805637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1285.805637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.805637][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.805637][ T10] netlink_unicast+0x449/0x710 [ 1285.805637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.805637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.805637][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.805637][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.805637][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.805637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.805637][ T10] [ 1285.807342][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1285.807585][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1285.807585][ T10] vlan_dev_init+0x97c/0xdd0 [ 1285.807585][ T10] register_netdevice+0x4d3/0x1690 [ 1285.807585][ T10] register_vlan_dev+0x162/0x4a0 [ 1285.807585][ T10] vlan_newlink+0x393/0x610 [ 1285.807585][ T10] rtnl_newlink_create+0x341/0x850 [ 1285.807585][ T10] __rtnl_newlink+0xac9/0xd80 [ 1285.807585][ T10] rtnl_newlink+0x63/0xa0 [ 1285.807585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1285.807585][ T10] netlink_rcv_skb+0x130/0x360 [ 1285.807585][ T10] netlink_unicast+0x449/0x710 [ 1285.807585][ T10] netlink_sendmsg+0x723/0xbe0 [ 1285.807585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1285.807585][ T10] ___sys_sendmsg+0xee/0x170 [ 1285.807585][ T10] __sys_sendmsg+0xcd/0x170 [ 1285.807585][ T10] do_syscall_64+0xc6/0x1e0 [ 1285.807585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1285.807585][ T10] [ 1296.052012][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1296.052481][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1296.052481][ T10] netdev_get_by_index+0x5e/0x80 [ 1296.052481][ T10] fib6_nh_init+0x3d8/0x1580 [ 1296.052481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1296.052481][ T10] ip6_route_add+0x1c/0x140 [ 1296.052481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1296.052481][ T10] inet6_addr_add+0x4f8/0xa40 [ 1296.052481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1296.052481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.052481][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.052481][ T10] netlink_unicast+0x449/0x710 [ 1296.052481][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.052481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.052481][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.052481][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.052481][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.052481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1296.052481][ T10] [ 1296.054497][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1296.054497][ T10] netdev_get_by_index+0x5e/0x80 [ 1296.054497][ T10] fib6_nh_init+0x3d8/0x1580 [ 1296.054497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1296.054497][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1296.054497][ T10] ipv6_add_addr+0x411/0x2000 [ 1296.054497][ T10] inet6_addr_add+0x30e/0xa40 [ 1296.054497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1296.054497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.054497][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.054497][ T10] netlink_unicast+0x449/0x710 [ 1296.054497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.054497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.054497][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.054497][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.054497][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.054497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1296.054497][ T10] [ 1296.056512][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1296.056512][ T10] netdev_get_by_index+0x5e/0x80 [ 1296.056512][ T10] fib6_nh_init+0x3d8/0x1580 [ 1296.056512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1296.056512][ T10] ip6_route_add+0x1c/0x140 [ 1296.056512][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1296.056512][ T10] addrconf_add_dev+0xe2/0x170 [ 1296.056512][ T10] inet6_addr_add+0x12f/0xa40 [ 1296.056512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1296.056512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.056512][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.056512][ T10] netlink_unicast+0x449/0x710 [ 1296.056512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.056512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.056512][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.056512][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.056512][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.056512][ T10] [ 1296.058473][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1296.058473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1296.058473][ T10] ipv6_find_idev+0x102/0x170 [ 1296.058473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1296.058473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.058473][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.058473][ T10] netlink_unicast+0x449/0x710 [ 1296.058473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.058473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.058473][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.058473][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.058473][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.058473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1296.058473][ T10] [ 1296.060006][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1296.060006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1296.060006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1296.060006][ T10] ipv6_find_idev+0x102/0x170 [ 1296.060006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1296.060006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.060006][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.060006][ T10] netlink_unicast+0x449/0x710 [ 1296.060006][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.060006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.060006][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.060006][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.060006][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.060006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1296.060006][ T10] [ 1296.061689][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1296.061985][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1296.061985][ T10] netdev_get_by_index+0x5e/0x80 [ 1296.061985][ T10] fib6_nh_init+0x3d8/0x1580 [ 1296.061985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1296.061985][ T10] ip6_route_add+0x1c/0x140 [ 1296.061985][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1296.061985][ T10] inet6_addr_add+0x4f8/0xa40 [ 1296.061985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1296.061985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.061985][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.061985][ T10] netlink_unicast+0x449/0x710 [ 1296.061985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.061985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.061985][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.061985][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.061985][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.061985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1296.061985][ T10] [ 1296.063998][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1296.063998][ T10] netdev_get_by_index+0x5e/0x80 [ 1296.063998][ T10] fib6_nh_init+0x3d8/0x1580 [ 1296.063998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1296.063998][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1296.063998][ T10] ipv6_add_addr+0x411/0x2000 [ 1296.063998][ T10] inet6_addr_add+0x30e/0xa40 [ 1296.063998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1296.063998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.063998][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.063998][ T10] netlink_unicast+0x449/0x710 [ 1296.063998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.063998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.063998][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.063998][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.063998][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.063998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1296.063998][ T10] [ 1296.065989][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1296.065989][ T10] netdev_get_by_index+0x5e/0x80 [ 1296.065989][ T10] fib6_nh_init+0x3d8/0x1580 [ 1296.065989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1296.065989][ T10] ip6_route_add+0x1c/0x140 [ 1296.065989][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1296.065989][ T10] addrconf_add_dev+0xe2/0x170 [ 1296.065989][ T10] inet6_addr_add+0x12f/0xa40 [ 1296.065989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1296.065989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.065989][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.065989][ T10] netlink_unicast+0x449/0x710 [ 1296.065989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.065989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.065989][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.065989][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.065989][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.065989][ T10] [ 1296.067959][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1296.067959][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1296.067959][ T10] ipv6_find_idev+0x102/0x170 [ 1296.067959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1296.067959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.067959][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.067959][ T10] netlink_unicast+0x449/0x710 [ 1296.067959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.067959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.067959][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.067959][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.067959][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.067959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1296.067959][ T10] [ 1296.069496][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1296.069496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1296.069496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1296.069496][ T10] ipv6_find_idev+0x102/0x170 [ 1296.069496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1296.069496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.069496][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.069496][ T10] netlink_unicast+0x449/0x710 [ 1296.069496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.069496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.069496][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.069496][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.069496][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.069496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1296.069496][ T10] [ 1296.071176][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1296.071414][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1296.071414][ T10] vlan_dev_init+0x97c/0xdd0 [ 1296.071414][ T10] register_netdevice+0x4d3/0x1690 [ 1296.071414][ T10] register_vlan_dev+0x162/0x4a0 [ 1296.071414][ T10] vlan_newlink+0x393/0x610 [ 1296.071414][ T10] rtnl_newlink_create+0x341/0x850 [ 1296.071414][ T10] __rtnl_newlink+0xac9/0xd80 [ 1296.071414][ T10] rtnl_newlink+0x63/0xa0 [ 1296.071414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1296.071414][ T10] netlink_rcv_skb+0x130/0x360 [ 1296.071414][ T10] netlink_unicast+0x449/0x710 [ 1296.071414][ T10] netlink_sendmsg+0x723/0xbe0 [ 1296.071414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1296.071414][ T10] ___sys_sendmsg+0xee/0x170 [ 1296.071414][ T10] __sys_sendmsg+0xcd/0x170 [ 1296.071414][ T10] do_syscall_64+0xc6/0x1e0 [ 1296.071414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1296.071414][ T10] [ 1306.204003][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1306.204458][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1306.204458][ T10] netdev_get_by_index+0x5e/0x80 [ 1306.204458][ T10] fib6_nh_init+0x3d8/0x1580 [ 1306.204458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1306.204458][ T10] ip6_route_add+0x1c/0x140 [ 1306.204458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1306.204458][ T10] inet6_addr_add+0x4f8/0xa40 [ 1306.204458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.204458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.204458][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.204458][ T10] netlink_unicast+0x449/0x710 [ 1306.204458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.204458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.204458][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.204458][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.204458][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.204458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.204458][ T10] [ 1306.206482][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1306.206482][ T10] netdev_get_by_index+0x5e/0x80 [ 1306.206482][ T10] fib6_nh_init+0x3d8/0x1580 [ 1306.206482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1306.206482][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1306.206482][ T10] ipv6_add_addr+0x411/0x2000 [ 1306.206482][ T10] inet6_addr_add+0x30e/0xa40 [ 1306.206482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.206482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.206482][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.206482][ T10] netlink_unicast+0x449/0x710 [ 1306.206482][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.206482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.206482][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.206482][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.206482][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.206482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.206482][ T10] [ 1306.208490][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1306.208490][ T10] netdev_get_by_index+0x5e/0x80 [ 1306.208490][ T10] fib6_nh_init+0x3d8/0x1580 [ 1306.208490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1306.208490][ T10] ip6_route_add+0x1c/0x140 [ 1306.208490][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1306.208490][ T10] addrconf_add_dev+0xe2/0x170 [ 1306.208490][ T10] inet6_addr_add+0x12f/0xa40 [ 1306.208490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.208490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.208490][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.208490][ T10] netlink_unicast+0x449/0x710 [ 1306.208490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.208490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.208490][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.208490][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.208490][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.208490][ T10] [ 1306.210462][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1306.210462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1306.210462][ T10] ipv6_find_idev+0x102/0x170 [ 1306.210462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1306.210462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.210462][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.210462][ T10] netlink_unicast+0x449/0x710 [ 1306.210462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.210462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.210462][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.210462][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.210462][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.210462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.210462][ T10] [ 1306.211997][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1306.211997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1306.211997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1306.211997][ T10] ipv6_find_idev+0x102/0x170 [ 1306.211997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1306.211997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.211997][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.211997][ T10] netlink_unicast+0x449/0x710 [ 1306.211997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.211997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.211997][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.211997][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.211997][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.211997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.211997][ T10] [ 1306.213691][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1306.213979][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1306.213979][ T10] netdev_get_by_index+0x5e/0x80 [ 1306.213979][ T10] fib6_nh_init+0x3d8/0x1580 [ 1306.213979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1306.213979][ T10] ip6_route_add+0x1c/0x140 [ 1306.213979][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1306.213979][ T10] inet6_addr_add+0x4f8/0xa40 [ 1306.213979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.213979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.213979][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.213979][ T10] netlink_unicast+0x449/0x710 [ 1306.213979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.213979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.213979][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.213979][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.213979][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.213979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.213979][ T10] [ 1306.215988][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1306.215988][ T10] netdev_get_by_index+0x5e/0x80 [ 1306.215988][ T10] fib6_nh_init+0x3d8/0x1580 [ 1306.215988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1306.215988][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1306.215988][ T10] ipv6_add_addr+0x411/0x2000 [ 1306.215988][ T10] inet6_addr_add+0x30e/0xa40 [ 1306.215988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.215988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.215988][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.215988][ T10] netlink_unicast+0x449/0x710 [ 1306.215988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.215988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.215988][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.215988][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.215988][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.215988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.215988][ T10] [ 1306.217991][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1306.217991][ T10] netdev_get_by_index+0x5e/0x80 [ 1306.217991][ T10] fib6_nh_init+0x3d8/0x1580 [ 1306.217991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1306.217991][ T10] ip6_route_add+0x1c/0x140 [ 1306.217991][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1306.217991][ T10] addrconf_add_dev+0xe2/0x170 [ 1306.217991][ T10] inet6_addr_add+0x12f/0xa40 [ 1306.217991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1306.217991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.217991][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.217991][ T10] netlink_unicast+0x449/0x710 [ 1306.217991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.217991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.217991][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.217991][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.217991][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.217991][ T10] [ 1306.219951][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1306.219951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1306.219951][ T10] ipv6_find_idev+0x102/0x170 [ 1306.219951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1306.219951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.219951][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.219951][ T10] netlink_unicast+0x449/0x710 [ 1306.219951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.219951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.219951][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.219951][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.219951][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.219951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.219951][ T10] [ 1306.221481][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1306.221481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1306.221481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1306.221481][ T10] ipv6_find_idev+0x102/0x170 [ 1306.221481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1306.221481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.221481][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.221481][ T10] netlink_unicast+0x449/0x710 [ 1306.221481][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.221481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.221481][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.221481][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.221481][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.221481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.221481][ T10] [ 1306.223164][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1306.223414][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1306.223414][ T10] vlan_dev_init+0x97c/0xdd0 [ 1306.223414][ T10] register_netdevice+0x4d3/0x1690 [ 1306.223414][ T10] register_vlan_dev+0x162/0x4a0 [ 1306.223414][ T10] vlan_newlink+0x393/0x610 [ 1306.223414][ T10] rtnl_newlink_create+0x341/0x850 [ 1306.223414][ T10] __rtnl_newlink+0xac9/0xd80 [ 1306.223414][ T10] rtnl_newlink+0x63/0xa0 [ 1306.223414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1306.223414][ T10] netlink_rcv_skb+0x130/0x360 [ 1306.223414][ T10] netlink_unicast+0x449/0x710 [ 1306.223414][ T10] netlink_sendmsg+0x723/0xbe0 [ 1306.223414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1306.223414][ T10] ___sys_sendmsg+0xee/0x170 [ 1306.223414][ T10] __sys_sendmsg+0xcd/0x170 [ 1306.223414][ T10] do_syscall_64+0xc6/0x1e0 [ 1306.223414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1306.223414][ T10] [ 1316.467999][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1316.468604][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1316.468604][ T10] netdev_get_by_index+0x5e/0x80 [ 1316.468604][ T10] fib6_nh_init+0x3d8/0x1580 [ 1316.468604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1316.468604][ T10] ip6_route_add+0x1c/0x140 [ 1316.468604][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1316.468604][ T10] inet6_addr_add+0x4f8/0xa40 [ 1316.468604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.468604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.468604][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.468604][ T10] netlink_unicast+0x449/0x710 [ 1316.468604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.468604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.468604][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.468604][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.468604][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.468604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.468604][ T10] [ 1316.471585][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1316.471585][ T10] netdev_get_by_index+0x5e/0x80 [ 1316.471585][ T10] fib6_nh_init+0x3d8/0x1580 [ 1316.471585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1316.471585][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1316.471585][ T10] ipv6_add_addr+0x411/0x2000 [ 1316.471585][ T10] inet6_addr_add+0x30e/0xa40 [ 1316.471585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.471585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.471585][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.471585][ T10] netlink_unicast+0x449/0x710 [ 1316.471585][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.471585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.471585][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.471585][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.471585][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.471585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.471585][ T10] [ 1316.474552][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1316.474552][ T10] netdev_get_by_index+0x5e/0x80 [ 1316.474552][ T10] fib6_nh_init+0x3d8/0x1580 [ 1316.474552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1316.474552][ T10] ip6_route_add+0x1c/0x140 [ 1316.474552][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1316.474552][ T10] addrconf_add_dev+0xe2/0x170 [ 1316.474552][ T10] inet6_addr_add+0x12f/0xa40 [ 1316.474552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.474552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.474552][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.474552][ T10] netlink_unicast+0x449/0x710 [ 1316.474552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.474552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.474552][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.474552][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.474552][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.474552][ T10] [ 1316.477488][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1316.477488][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1316.477488][ T10] ipv6_find_idev+0x102/0x170 [ 1316.477488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.477488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.477488][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.477488][ T10] netlink_unicast+0x449/0x710 [ 1316.477488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.477488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.477488][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.477488][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.477488][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.477488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.477488][ T10] [ 1316.479773][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1316.479773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1316.479773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1316.479773][ T10] ipv6_find_idev+0x102/0x170 [ 1316.479773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.479773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.479773][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.479773][ T10] netlink_unicast+0x449/0x710 [ 1316.479773][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.479773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.479773][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.479773][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.479773][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.479773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.479773][ T10] [ 1316.482299][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1316.482685][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1316.482685][ T10] netdev_get_by_index+0x5e/0x80 [ 1316.482685][ T10] fib6_nh_init+0x3d8/0x1580 [ 1316.482685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1316.482685][ T10] ip6_route_add+0x1c/0x140 [ 1316.482685][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1316.482685][ T10] inet6_addr_add+0x4f8/0xa40 [ 1316.482685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.482685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.482685][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.482685][ T10] netlink_unicast+0x449/0x710 [ 1316.482685][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.482685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.482685][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.482685][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.482685][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.482685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.482685][ T10] [ 1316.485653][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1316.485653][ T10] netdev_get_by_index+0x5e/0x80 [ 1316.485653][ T10] fib6_nh_init+0x3d8/0x1580 [ 1316.485653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1316.485653][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1316.485653][ T10] ipv6_add_addr+0x411/0x2000 [ 1316.485653][ T10] inet6_addr_add+0x30e/0xa40 [ 1316.485653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.485653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.485653][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.485653][ T10] netlink_unicast+0x449/0x710 [ 1316.485653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.485653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.485653][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.485653][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.485653][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.485653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.485653][ T10] [ 1316.488902][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1316.488902][ T10] netdev_get_by_index+0x5e/0x80 [ 1316.488902][ T10] fib6_nh_init+0x3d8/0x1580 [ 1316.488902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1316.488902][ T10] ip6_route_add+0x1c/0x140 [ 1316.488902][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1316.488902][ T10] addrconf_add_dev+0xe2/0x170 [ 1316.488902][ T10] inet6_addr_add+0x12f/0xa40 [ 1316.488902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1316.488902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.488902][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.488902][ T10] netlink_unicast+0x449/0x710 [ 1316.488902][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.488902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.488902][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.488902][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.488902][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.488902][ T10] [ 1316.491690][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1316.491690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1316.491690][ T10] ipv6_find_idev+0x102/0x170 [ 1316.491690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.491690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.491690][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.491690][ T10] netlink_unicast+0x449/0x710 [ 1316.491690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.491690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.491690][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.491690][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.491690][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.491690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.491690][ T10] [ 1316.493875][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1316.493875][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1316.493875][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1316.493875][ T10] ipv6_find_idev+0x102/0x170 [ 1316.493875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1316.493875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.493875][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.493875][ T10] netlink_unicast+0x449/0x710 [ 1316.493875][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.493875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.493875][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.493875][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.493875][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.493875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.493875][ T10] [ 1316.496251][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1316.496588][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1316.496588][ T10] vlan_dev_init+0x97c/0xdd0 [ 1316.496588][ T10] register_netdevice+0x4d3/0x1690 [ 1316.496588][ T10] register_vlan_dev+0x162/0x4a0 [ 1316.496588][ T10] vlan_newlink+0x393/0x610 [ 1316.496588][ T10] rtnl_newlink_create+0x341/0x850 [ 1316.496588][ T10] __rtnl_newlink+0xac9/0xd80 [ 1316.496588][ T10] rtnl_newlink+0x63/0xa0 [ 1316.496588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1316.496588][ T10] netlink_rcv_skb+0x130/0x360 [ 1316.496588][ T10] netlink_unicast+0x449/0x710 [ 1316.496588][ T10] netlink_sendmsg+0x723/0xbe0 [ 1316.496588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1316.496588][ T10] ___sys_sendmsg+0xee/0x170 [ 1316.496588][ T10] __sys_sendmsg+0xcd/0x170 [ 1316.496588][ T10] do_syscall_64+0xc6/0x1e0 [ 1316.496588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1316.496588][ T10] [ 1326.739995][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1326.740500][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1326.740500][ T10] netdev_get_by_index+0x5e/0x80 [ 1326.740500][ T10] fib6_nh_init+0x3d8/0x1580 [ 1326.740500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1326.740500][ T10] ip6_route_add+0x1c/0x140 [ 1326.740500][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1326.740500][ T10] inet6_addr_add+0x4f8/0xa40 [ 1326.740500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.740500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.740500][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.740500][ T10] netlink_unicast+0x449/0x710 [ 1326.740500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.740500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.740500][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.740500][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.740500][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.740500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.740500][ T10] [ 1326.742544][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1326.742544][ T10] netdev_get_by_index+0x5e/0x80 [ 1326.742544][ T10] fib6_nh_init+0x3d8/0x1580 [ 1326.742544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1326.742544][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1326.742544][ T10] ipv6_add_addr+0x411/0x2000 [ 1326.742544][ T10] inet6_addr_add+0x30e/0xa40 [ 1326.742544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.742544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.742544][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.742544][ T10] netlink_unicast+0x449/0x710 [ 1326.742544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.742544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.742544][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.742544][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.742544][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.742544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.742544][ T10] [ 1326.744564][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1326.744564][ T10] netdev_get_by_index+0x5e/0x80 [ 1326.744564][ T10] fib6_nh_init+0x3d8/0x1580 [ 1326.744564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1326.744564][ T10] ip6_route_add+0x1c/0x140 [ 1326.744564][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1326.744564][ T10] addrconf_add_dev+0xe2/0x170 [ 1326.744564][ T10] inet6_addr_add+0x12f/0xa40 [ 1326.744564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.744564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.744564][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.744564][ T10] netlink_unicast+0x449/0x710 [ 1326.744564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.744564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.744564][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.744564][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.744564][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.744564][ T10] [ 1326.746553][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1326.746553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1326.746553][ T10] ipv6_find_idev+0x102/0x170 [ 1326.746553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.746553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.746553][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.746553][ T10] netlink_unicast+0x449/0x710 [ 1326.746553][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.746553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.746553][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.746553][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.746553][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.746553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.746553][ T10] [ 1326.748112][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1326.748112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1326.748112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1326.748112][ T10] ipv6_find_idev+0x102/0x170 [ 1326.748112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.748112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.748112][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.748112][ T10] netlink_unicast+0x449/0x710 [ 1326.748112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.748112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.748112][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.748112][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.748112][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.748112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.748112][ T10] [ 1326.749838][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1326.750381][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1326.750381][ T10] netdev_get_by_index+0x5e/0x80 [ 1326.750381][ T10] fib6_nh_init+0x3d8/0x1580 [ 1326.750381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1326.750381][ T10] ip6_route_add+0x1c/0x140 [ 1326.750381][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1326.750381][ T10] inet6_addr_add+0x4f8/0xa40 [ 1326.750381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.750381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.750381][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.750381][ T10] netlink_unicast+0x449/0x710 [ 1326.750381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.750381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.750381][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.750381][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.750381][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.750381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.750381][ T10] [ 1326.752526][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1326.752526][ T10] netdev_get_by_index+0x5e/0x80 [ 1326.752526][ T10] fib6_nh_init+0x3d8/0x1580 [ 1326.752526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1326.752526][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1326.752526][ T10] ipv6_add_addr+0x411/0x2000 [ 1326.752526][ T10] inet6_addr_add+0x30e/0xa40 [ 1326.752526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.752526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.752526][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.752526][ T10] netlink_unicast+0x449/0x710 [ 1326.752526][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.752526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.752526][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.752526][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.752526][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.752526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.752526][ T10] [ 1326.754613][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1326.754613][ T10] netdev_get_by_index+0x5e/0x80 [ 1326.754613][ T10] fib6_nh_init+0x3d8/0x1580 [ 1326.754613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1326.754613][ T10] ip6_route_add+0x1c/0x140 [ 1326.754613][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1326.754613][ T10] addrconf_add_dev+0xe2/0x170 [ 1326.754613][ T10] inet6_addr_add+0x12f/0xa40 [ 1326.754613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1326.754613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.754613][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.754613][ T10] netlink_unicast+0x449/0x710 [ 1326.754613][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.754613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.754613][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.754613][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.754613][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.754613][ T10] [ 1326.756606][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1326.756606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1326.756606][ T10] ipv6_find_idev+0x102/0x170 [ 1326.756606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.756606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.756606][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.756606][ T10] netlink_unicast+0x449/0x710 [ 1326.756606][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.756606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.756606][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.756606][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.756606][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.756606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.756606][ T10] [ 1326.758151][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1326.758151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1326.758151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1326.758151][ T10] ipv6_find_idev+0x102/0x170 [ 1326.758151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1326.758151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.758151][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.758151][ T10] netlink_unicast+0x449/0x710 [ 1326.758151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.758151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.758151][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.758151][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.758151][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.758151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.758151][ T10] [ 1326.759869][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1326.760144][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1326.760144][ T10] vlan_dev_init+0x97c/0xdd0 [ 1326.760144][ T10] register_netdevice+0x4d3/0x1690 [ 1326.760144][ T10] register_vlan_dev+0x162/0x4a0 [ 1326.760144][ T10] vlan_newlink+0x393/0x610 [ 1326.760144][ T10] rtnl_newlink_create+0x341/0x850 [ 1326.760144][ T10] __rtnl_newlink+0xac9/0xd80 [ 1326.760144][ T10] rtnl_newlink+0x63/0xa0 [ 1326.760144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1326.760144][ T10] netlink_rcv_skb+0x130/0x360 [ 1326.760144][ T10] netlink_unicast+0x449/0x710 [ 1326.760144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1326.760144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1326.760144][ T10] ___sys_sendmsg+0xee/0x170 [ 1326.760144][ T10] __sys_sendmsg+0xcd/0x170 [ 1326.760144][ T10] do_syscall_64+0xc6/0x1e0 [ 1326.760144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1326.760144][ T10] [ 1337.003936][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1337.004394][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1337.004394][ T10] netdev_get_by_index+0x5e/0x80 [ 1337.004394][ T10] fib6_nh_init+0x3d8/0x1580 [ 1337.004394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1337.004394][ T10] ip6_route_add+0x1c/0x140 [ 1337.004394][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1337.004394][ T10] inet6_addr_add+0x4f8/0xa40 [ 1337.004394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1337.004394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.004394][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.004394][ T10] netlink_unicast+0x449/0x710 [ 1337.004394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.004394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.004394][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.004394][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.004394][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.004394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1337.004394][ T10] [ 1337.006419][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1337.006419][ T10] netdev_get_by_index+0x5e/0x80 [ 1337.006419][ T10] fib6_nh_init+0x3d8/0x1580 [ 1337.006419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1337.006419][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1337.006419][ T10] ipv6_add_addr+0x411/0x2000 [ 1337.006419][ T10] inet6_addr_add+0x30e/0xa40 [ 1337.006419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1337.006419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.006419][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.006419][ T10] netlink_unicast+0x449/0x710 [ 1337.006419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.006419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.006419][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.006419][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.006419][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.006419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1337.006419][ T10] [ 1337.008414][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1337.008414][ T10] netdev_get_by_index+0x5e/0x80 [ 1337.008414][ T10] fib6_nh_init+0x3d8/0x1580 [ 1337.008414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1337.008414][ T10] ip6_route_add+0x1c/0x140 [ 1337.008414][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1337.008414][ T10] addrconf_add_dev+0xe2/0x170 [ 1337.008414][ T10] inet6_addr_add+0x12f/0xa40 [ 1337.008414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1337.008414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.008414][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.008414][ T10] netlink_unicast+0x449/0x710 [ 1337.008414][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.008414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.008414][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.008414][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.008414][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.008414][ T10] [ 1337.010366][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1337.010366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1337.010366][ T10] ipv6_find_idev+0x102/0x170 [ 1337.010366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1337.010366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.010366][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.010366][ T10] netlink_unicast+0x449/0x710 [ 1337.010366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.010366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.010366][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.010366][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.010366][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.010366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1337.010366][ T10] [ 1337.011908][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1337.011908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1337.011908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1337.011908][ T10] ipv6_find_idev+0x102/0x170 [ 1337.011908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1337.011908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.011908][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.011908][ T10] netlink_unicast+0x449/0x710 [ 1337.011908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.011908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.011908][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.011908][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.011908][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.011908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1337.011908][ T10] [ 1337.013595][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1337.013868][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1337.013868][ T10] netdev_get_by_index+0x5e/0x80 [ 1337.013868][ T10] fib6_nh_init+0x3d8/0x1580 [ 1337.013868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1337.013868][ T10] ip6_route_add+0x1c/0x140 [ 1337.013868][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1337.013868][ T10] inet6_addr_add+0x4f8/0xa40 [ 1337.013868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1337.013868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.013868][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.013868][ T10] netlink_unicast+0x449/0x710 [ 1337.013868][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.013868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.013868][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.013868][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.013868][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.013868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1337.013868][ T10] [ 1337.015857][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1337.015857][ T10] netdev_get_by_index+0x5e/0x80 [ 1337.015857][ T10] fib6_nh_init+0x3d8/0x1580 [ 1337.015857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1337.015857][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1337.015857][ T10] ipv6_add_addr+0x411/0x2000 [ 1337.015857][ T10] inet6_addr_add+0x30e/0xa40 [ 1337.015857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1337.015857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.015857][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.015857][ T10] netlink_unicast+0x449/0x710 [ 1337.015857][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.015857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.015857][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.015857][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.015857][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.015857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1337.015857][ T10] [ 1337.017853][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1337.017853][ T10] netdev_get_by_index+0x5e/0x80 [ 1337.017853][ T10] fib6_nh_init+0x3d8/0x1580 [ 1337.017853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1337.017853][ T10] ip6_route_add+0x1c/0x140 [ 1337.017853][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1337.017853][ T10] addrconf_add_dev+0xe2/0x170 [ 1337.017853][ T10] inet6_addr_add+0x12f/0xa40 [ 1337.017853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1337.017853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.017853][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.017853][ T10] netlink_unicast+0x449/0x710 [ 1337.017853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.017853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.017853][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.017853][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.017853][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.017853][ T10] [ 1337.019807][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1337.019807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1337.019807][ T10] ipv6_find_idev+0x102/0x170 [ 1337.019807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1337.019807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.019807][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.019807][ T10] netlink_unicast+0x449/0x710 [ 1337.019807][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.019807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.019807][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.019807][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.019807][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.019807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1337.019807][ T10] [ 1337.021338][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1337.021338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1337.021338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1337.021338][ T10] ipv6_find_idev+0x102/0x170 [ 1337.021338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1337.021338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.021338][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.021338][ T10] netlink_unicast+0x449/0x710 [ 1337.021338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.021338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.021338][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.021338][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.021338][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.021338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1337.021338][ T10] [ 1337.023017][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1337.023252][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1337.023252][ T10] vlan_dev_init+0x97c/0xdd0 [ 1337.023252][ T10] register_netdevice+0x4d3/0x1690 [ 1337.023252][ T10] register_vlan_dev+0x162/0x4a0 [ 1337.023252][ T10] vlan_newlink+0x393/0x610 [ 1337.023252][ T10] rtnl_newlink_create+0x341/0x850 [ 1337.023252][ T10] __rtnl_newlink+0xac9/0xd80 [ 1337.023252][ T10] rtnl_newlink+0x63/0xa0 [ 1337.023252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1337.023252][ T10] netlink_rcv_skb+0x130/0x360 [ 1337.023252][ T10] netlink_unicast+0x449/0x710 [ 1337.023252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1337.023252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1337.023252][ T10] ___sys_sendmsg+0xee/0x170 [ 1337.023252][ T10] __sys_sendmsg+0xcd/0x170 [ 1337.023252][ T10] do_syscall_64+0xc6/0x1e0 [ 1337.023252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1337.023252][ T10] [ 1347.268010][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1347.268476][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1347.268476][ T10] netdev_get_by_index+0x5e/0x80 [ 1347.268476][ T10] fib6_nh_init+0x3d8/0x1580 [ 1347.268476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1347.268476][ T10] ip6_route_add+0x1c/0x140 [ 1347.268476][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1347.268476][ T10] inet6_addr_add+0x4f8/0xa40 [ 1347.268476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.268476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.268476][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.268476][ T10] netlink_unicast+0x449/0x710 [ 1347.268476][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.268476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.268476][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.268476][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.268476][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.268476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.268476][ T10] [ 1347.270495][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1347.270495][ T10] netdev_get_by_index+0x5e/0x80 [ 1347.270495][ T10] fib6_nh_init+0x3d8/0x1580 [ 1347.270495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1347.270495][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1347.270495][ T10] ipv6_add_addr+0x411/0x2000 [ 1347.270495][ T10] inet6_addr_add+0x30e/0xa40 [ 1347.270495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.270495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.270495][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.270495][ T10] netlink_unicast+0x449/0x710 [ 1347.270495][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.270495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.270495][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.270495][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.270495][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.270495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.270495][ T10] [ 1347.272492][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1347.272492][ T10] netdev_get_by_index+0x5e/0x80 [ 1347.272492][ T10] fib6_nh_init+0x3d8/0x1580 [ 1347.272492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1347.272492][ T10] ip6_route_add+0x1c/0x140 [ 1347.272492][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1347.272492][ T10] addrconf_add_dev+0xe2/0x170 [ 1347.272492][ T10] inet6_addr_add+0x12f/0xa40 [ 1347.272492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.272492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.272492][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.272492][ T10] netlink_unicast+0x449/0x710 [ 1347.272492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.272492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.272492][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.272492][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.272492][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.272492][ T10] [ 1347.274458][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1347.274458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1347.274458][ T10] ipv6_find_idev+0x102/0x170 [ 1347.274458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.274458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.274458][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.274458][ T10] netlink_unicast+0x449/0x710 [ 1347.274458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.274458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.274458][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.274458][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.274458][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.274458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.274458][ T10] [ 1347.276016][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1347.276016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1347.276016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1347.276016][ T10] ipv6_find_idev+0x102/0x170 [ 1347.276016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.276016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.276016][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.276016][ T10] netlink_unicast+0x449/0x710 [ 1347.276016][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.276016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.276016][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.276016][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.276016][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.276016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.276016][ T10] [ 1347.277721][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1347.278005][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1347.278005][ T10] netdev_get_by_index+0x5e/0x80 [ 1347.278005][ T10] fib6_nh_init+0x3d8/0x1580 [ 1347.278005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1347.278005][ T10] ip6_route_add+0x1c/0x140 [ 1347.278005][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1347.278005][ T10] inet6_addr_add+0x4f8/0xa40 [ 1347.278005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.278005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.278005][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.278005][ T10] netlink_unicast+0x449/0x710 [ 1347.278005][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.278005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.278005][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.278005][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.278005][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.278005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.278005][ T10] [ 1347.280007][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1347.280007][ T10] netdev_get_by_index+0x5e/0x80 [ 1347.280007][ T10] fib6_nh_init+0x3d8/0x1580 [ 1347.280007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1347.280007][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1347.280007][ T10] ipv6_add_addr+0x411/0x2000 [ 1347.280007][ T10] inet6_addr_add+0x30e/0xa40 [ 1347.280007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.280007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.280007][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.280007][ T10] netlink_unicast+0x449/0x710 [ 1347.280007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.280007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.280007][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.280007][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.280007][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.280007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.280007][ T10] [ 1347.282011][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1347.282011][ T10] netdev_get_by_index+0x5e/0x80 [ 1347.282011][ T10] fib6_nh_init+0x3d8/0x1580 [ 1347.282011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1347.282011][ T10] ip6_route_add+0x1c/0x140 [ 1347.282011][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1347.282011][ T10] addrconf_add_dev+0xe2/0x170 [ 1347.282011][ T10] inet6_addr_add+0x12f/0xa40 [ 1347.282011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1347.282011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.282011][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.282011][ T10] netlink_unicast+0x449/0x710 [ 1347.282011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.282011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.282011][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.282011][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.282011][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.282011][ T10] [ 1347.283968][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1347.283968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1347.283968][ T10] ipv6_find_idev+0x102/0x170 [ 1347.283968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.283968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.283968][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.283968][ T10] netlink_unicast+0x449/0x710 [ 1347.283968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.283968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.283968][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.283968][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.283968][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.283968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.283968][ T10] [ 1347.285507][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1347.285507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1347.285507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1347.285507][ T10] ipv6_find_idev+0x102/0x170 [ 1347.285507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1347.285507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.285507][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.285507][ T10] netlink_unicast+0x449/0x710 [ 1347.285507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.285507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.285507][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.285507][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.285507][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.285507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.285507][ T10] [ 1347.287207][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1347.287446][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1347.287446][ T10] vlan_dev_init+0x97c/0xdd0 [ 1347.287446][ T10] register_netdevice+0x4d3/0x1690 [ 1347.287446][ T10] register_vlan_dev+0x162/0x4a0 [ 1347.287446][ T10] vlan_newlink+0x393/0x610 [ 1347.287446][ T10] rtnl_newlink_create+0x341/0x850 [ 1347.287446][ T10] __rtnl_newlink+0xac9/0xd80 [ 1347.287446][ T10] rtnl_newlink+0x63/0xa0 [ 1347.287446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1347.287446][ T10] netlink_rcv_skb+0x130/0x360 [ 1347.287446][ T10] netlink_unicast+0x449/0x710 [ 1347.287446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1347.287446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1347.287446][ T10] ___sys_sendmsg+0xee/0x170 [ 1347.287446][ T10] __sys_sendmsg+0xcd/0x170 [ 1347.287446][ T10] do_syscall_64+0xc6/0x1e0 [ 1347.287446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1347.287446][ T10] [ 1353.004010][ T42] INFO: task modprobe:3829 blocked for more than 860 seconds. [ 1353.004338][ T42] Not tainted 6.8.0-virtme #1 [ 1353.004467][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.004664][ T42] task:modprobe state:D stack:25648 pid:3829 tgid:3829 ppid:59 flags:0x00004002 [ 1353.004940][ T42] Call Trace: [ 1353.005037][ T42] [ 1353.005108][ T42] __schedule+0x705/0x1ac0 [ 1353.005248][ T42] ? __pfx___schedule+0x10/0x10 [ 1353.005372][ T42] ? schedule+0x1a5/0x210 [ 1353.005469][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1353.005603][ T42] ? mark_lock+0x38/0x3e0 [ 1353.005696][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1353.005822][ T42] ? schedule+0x1a5/0x210 [ 1353.005936][ T42] schedule+0xdf/0x210 [ 1353.006049][ T42] schedule_preempt_disabled+0x15/0x30 [ 1353.006170][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1353.006299][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1353.006451][ T42] ? kasan_save_stack+0x34/0x50 [ 1353.006581][ T42] ? kasan_save_stack+0x24/0x50 [ 1353.006703][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1353.006837][ T42] ? lock_acquire+0x1c1/0x220 [ 1353.006970][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1353.007101][ T42] down_write+0x1c9/0x200 [ 1353.007195][ T42] ? __pfx_down_write+0x10/0x10 [ 1353.007317][ T42] ? __pfx___lock_release+0x10/0x10 [ 1353.007445][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1353.007642][ T42] register_pernet_subsys+0x1a/0x50 [ 1353.007764][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1353.007956][ T42] do_one_initcall+0xc8/0x3f0 [ 1353.008080][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1353.008208][ T42] ? __create_object+0x5e/0xb0 [ 1353.008335][ T42] ? kasan_unpoison+0x27/0x60 [ 1353.008467][ T42] do_init_module+0x233/0x740 [ 1353.008614][ T42] load_module+0x16b5/0x2350 [ 1353.008909][ T42] ? __pfx_load_module+0x10/0x10 [ 1353.009037][ T42] ? kernel_read_file+0x3d2/0x520 [ 1353.009165][ T42] ? kernel_read_file+0x300/0x520 [ 1353.009290][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1353.009421][ T42] ? init_module_from_file+0xd2/0x130 [ 1353.009547][ T42] init_module_from_file+0xd2/0x130 [ 1353.009669][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1353.009820][ T42] ? __lock_release+0x103/0x460 [ 1353.009958][ T42] ? idempotent_init_module+0x32a/0x620 [ 1353.010094][ T42] ? idempotent_init_module+0x32a/0x620 [ 1353.010216][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1353.010345][ T42] idempotent_init_module+0x342/0x620 [ 1353.010471][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1353.010645][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1353.010769][ T42] do_syscall_64+0xc6/0x1e0 [ 1353.010904][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1353.011064][ T42] RIP: 0033:0x7fab981a1e5d [ 1353.011191][ T42] RSP: 002b:00007ffe70d7a428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1353.011376][ T42] RAX: ffffffffffffffda RBX: 0000555e1943ce90 RCX: 00007fab981a1e5d [ 1353.011556][ T42] RDX: 0000000000000000 RSI: 0000555deb69da2a RDI: 0000000000000001 [ 1353.011736][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555e1943d4f0 [ 1353.011931][ T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555deb69da2a [ 1353.012111][ T42] R13: 0000555e1943ce40 R14: 0000555e1943d570 R15: 0000000000000000 [ 1353.012307][ T42] [ 1353.012400][ T42] [ 1353.012400][ T42] Showing all locks held in the system: [ 1353.012570][ T42] 3 locks held by kworker/u16:0/10: [ 1353.012693][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1353.012968][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1353.013189][ T42] #2: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1353.013409][ T42] 1 lock held by khungtaskd/42: [ 1353.013526][ T42] #0: ffffffffb5b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1353.013745][ T42] 2 locks held by kworker/u18:1/59: [ 1353.013864][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1353.014122][ T42] #1: ffffc90000407da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1353.014402][ T42] 1 lock held by modprobe/3829: [ 1353.014518][ T42] #0: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1353.014762][ T42] [ 1353.014824][ T42] ============================================= [ 1353.014824][ T42] [ 1357.531994][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1357.532401][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1357.532401][ T10] netdev_get_by_index+0x5e/0x80 [ 1357.532401][ T10] fib6_nh_init+0x3d8/0x1580 [ 1357.532401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1357.532401][ T10] ip6_route_add+0x1c/0x140 [ 1357.532401][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1357.532401][ T10] inet6_addr_add+0x4f8/0xa40 [ 1357.532401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.532401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.532401][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.532401][ T10] netlink_unicast+0x449/0x710 [ 1357.532401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.532401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.532401][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.532401][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.532401][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.532401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.532401][ T10] [ 1357.534457][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1357.534457][ T10] netdev_get_by_index+0x5e/0x80 [ 1357.534457][ T10] fib6_nh_init+0x3d8/0x1580 [ 1357.534457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1357.534457][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1357.534457][ T10] ipv6_add_addr+0x411/0x2000 [ 1357.534457][ T10] inet6_addr_add+0x30e/0xa40 [ 1357.534457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.534457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.534457][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.534457][ T10] netlink_unicast+0x449/0x710 [ 1357.534457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.534457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.534457][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.534457][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.534457][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.534457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.534457][ T10] [ 1357.536481][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1357.536481][ T10] netdev_get_by_index+0x5e/0x80 [ 1357.536481][ T10] fib6_nh_init+0x3d8/0x1580 [ 1357.536481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1357.536481][ T10] ip6_route_add+0x1c/0x140 [ 1357.536481][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1357.536481][ T10] addrconf_add_dev+0xe2/0x170 [ 1357.536481][ T10] inet6_addr_add+0x12f/0xa40 [ 1357.536481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.536481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.536481][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.536481][ T10] netlink_unicast+0x449/0x710 [ 1357.536481][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.536481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.536481][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.536481][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.536481][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.536481][ T10] [ 1357.538455][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1357.538455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1357.538455][ T10] ipv6_find_idev+0x102/0x170 [ 1357.538455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.538455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.538455][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.538455][ T10] netlink_unicast+0x449/0x710 [ 1357.538455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.538455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.538455][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.538455][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.538455][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.538455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.538455][ T10] [ 1357.540022][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1357.540022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1357.540022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1357.540022][ T10] ipv6_find_idev+0x102/0x170 [ 1357.540022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.540022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.540022][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.540022][ T10] netlink_unicast+0x449/0x710 [ 1357.540022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.540022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.540022][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.540022][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.540022][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.540022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.540022][ T10] [ 1357.541740][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1357.542033][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1357.542033][ T10] netdev_get_by_index+0x5e/0x80 [ 1357.542033][ T10] fib6_nh_init+0x3d8/0x1580 [ 1357.542033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1357.542033][ T10] ip6_route_add+0x1c/0x140 [ 1357.542033][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1357.542033][ T10] inet6_addr_add+0x4f8/0xa40 [ 1357.542033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.542033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.542033][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.542033][ T10] netlink_unicast+0x449/0x710 [ 1357.542033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.542033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.542033][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.542033][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.542033][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.542033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.542033][ T10] [ 1357.544047][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1357.544047][ T10] netdev_get_by_index+0x5e/0x80 [ 1357.544047][ T10] fib6_nh_init+0x3d8/0x1580 [ 1357.544047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1357.544047][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1357.544047][ T10] ipv6_add_addr+0x411/0x2000 [ 1357.544047][ T10] inet6_addr_add+0x30e/0xa40 [ 1357.544047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.544047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.544047][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.544047][ T10] netlink_unicast+0x449/0x710 [ 1357.544047][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.544047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.544047][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.544047][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.544047][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.544047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.544047][ T10] [ 1357.546144][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1357.546144][ T10] netdev_get_by_index+0x5e/0x80 [ 1357.546144][ T10] fib6_nh_init+0x3d8/0x1580 [ 1357.546144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1357.546144][ T10] ip6_route_add+0x1c/0x140 [ 1357.546144][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1357.546144][ T10] addrconf_add_dev+0xe2/0x170 [ 1357.546144][ T10] inet6_addr_add+0x12f/0xa40 [ 1357.546144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1357.546144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.546144][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.546144][ T10] netlink_unicast+0x449/0x710 [ 1357.546144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.546144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.546144][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.546144][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.546144][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.546144][ T10] [ 1357.548130][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1357.548130][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1357.548130][ T10] ipv6_find_idev+0x102/0x170 [ 1357.548130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.548130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.548130][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.548130][ T10] netlink_unicast+0x449/0x710 [ 1357.548130][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.548130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.548130][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.548130][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.548130][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.548130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.548130][ T10] [ 1357.549678][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1357.549678][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1357.549678][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1357.549678][ T10] ipv6_find_idev+0x102/0x170 [ 1357.549678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1357.549678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.549678][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.549678][ T10] netlink_unicast+0x449/0x710 [ 1357.549678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.549678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.549678][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.549678][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.549678][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.549678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.549678][ T10] [ 1357.551389][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1357.551636][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1357.551636][ T10] vlan_dev_init+0x97c/0xdd0 [ 1357.551636][ T10] register_netdevice+0x4d3/0x1690 [ 1357.551636][ T10] register_vlan_dev+0x162/0x4a0 [ 1357.551636][ T10] vlan_newlink+0x393/0x610 [ 1357.551636][ T10] rtnl_newlink_create+0x341/0x850 [ 1357.551636][ T10] __rtnl_newlink+0xac9/0xd80 [ 1357.551636][ T10] rtnl_newlink+0x63/0xa0 [ 1357.551636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1357.551636][ T10] netlink_rcv_skb+0x130/0x360 [ 1357.551636][ T10] netlink_unicast+0x449/0x710 [ 1357.551636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1357.551636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1357.551636][ T10] ___sys_sendmsg+0xee/0x170 [ 1357.551636][ T10] __sys_sendmsg+0xcd/0x170 [ 1357.551636][ T10] do_syscall_64+0xc6/0x1e0 [ 1357.551636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1357.551636][ T10] [ 1367.796016][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1367.796424][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1367.796424][ T10] netdev_get_by_index+0x5e/0x80 [ 1367.796424][ T10] fib6_nh_init+0x3d8/0x1580 [ 1367.796424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1367.796424][ T10] ip6_route_add+0x1c/0x140 [ 1367.796424][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1367.796424][ T10] inet6_addr_add+0x4f8/0xa40 [ 1367.796424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.796424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.796424][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.796424][ T10] netlink_unicast+0x449/0x710 [ 1367.796424][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.796424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.796424][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.796424][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.796424][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.796424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.796424][ T10] [ 1367.798473][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1367.798473][ T10] netdev_get_by_index+0x5e/0x80 [ 1367.798473][ T10] fib6_nh_init+0x3d8/0x1580 [ 1367.798473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1367.798473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1367.798473][ T10] ipv6_add_addr+0x411/0x2000 [ 1367.798473][ T10] inet6_addr_add+0x30e/0xa40 [ 1367.798473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.798473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.798473][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.798473][ T10] netlink_unicast+0x449/0x710 [ 1367.798473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.798473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.798473][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.798473][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.798473][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.798473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.798473][ T10] [ 1367.800499][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1367.800499][ T10] netdev_get_by_index+0x5e/0x80 [ 1367.800499][ T10] fib6_nh_init+0x3d8/0x1580 [ 1367.800499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1367.800499][ T10] ip6_route_add+0x1c/0x140 [ 1367.800499][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1367.800499][ T10] addrconf_add_dev+0xe2/0x170 [ 1367.800499][ T10] inet6_addr_add+0x12f/0xa40 [ 1367.800499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.800499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.800499][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.800499][ T10] netlink_unicast+0x449/0x710 [ 1367.800499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.800499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.800499][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.800499][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.800499][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.800499][ T10] [ 1367.802519][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1367.802519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1367.802519][ T10] ipv6_find_idev+0x102/0x170 [ 1367.802519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.802519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.802519][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.802519][ T10] netlink_unicast+0x449/0x710 [ 1367.802519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.802519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.802519][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.802519][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.802519][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.802519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.802519][ T10] [ 1367.804075][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1367.804075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1367.804075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1367.804075][ T10] ipv6_find_idev+0x102/0x170 [ 1367.804075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.804075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.804075][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.804075][ T10] netlink_unicast+0x449/0x710 [ 1367.804075][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.804075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.804075][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.804075][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.804075][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.804075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.804075][ T10] [ 1367.805800][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1367.806105][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1367.806105][ T10] netdev_get_by_index+0x5e/0x80 [ 1367.806105][ T10] fib6_nh_init+0x3d8/0x1580 [ 1367.806105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1367.806105][ T10] ip6_route_add+0x1c/0x140 [ 1367.806105][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1367.806105][ T10] inet6_addr_add+0x4f8/0xa40 [ 1367.806105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.806105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.806105][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.806105][ T10] netlink_unicast+0x449/0x710 [ 1367.806105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.806105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.806105][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.806105][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.806105][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.806105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.806105][ T10] [ 1367.808131][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1367.808131][ T10] netdev_get_by_index+0x5e/0x80 [ 1367.808131][ T10] fib6_nh_init+0x3d8/0x1580 [ 1367.808131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1367.808131][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1367.808131][ T10] ipv6_add_addr+0x411/0x2000 [ 1367.808131][ T10] inet6_addr_add+0x30e/0xa40 [ 1367.808131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.808131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.808131][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.808131][ T10] netlink_unicast+0x449/0x710 [ 1367.808131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.808131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.808131][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.808131][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.808131][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.808131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.808131][ T10] [ 1367.810149][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1367.810149][ T10] netdev_get_by_index+0x5e/0x80 [ 1367.810149][ T10] fib6_nh_init+0x3d8/0x1580 [ 1367.810149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1367.810149][ T10] ip6_route_add+0x1c/0x140 [ 1367.810149][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1367.810149][ T10] addrconf_add_dev+0xe2/0x170 [ 1367.810149][ T10] inet6_addr_add+0x12f/0xa40 [ 1367.810149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1367.810149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.810149][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.810149][ T10] netlink_unicast+0x449/0x710 [ 1367.810149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.810149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.810149][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.810149][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.810149][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.810149][ T10] [ 1367.812131][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1367.812131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1367.812131][ T10] ipv6_find_idev+0x102/0x170 [ 1367.812131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.812131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.812131][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.812131][ T10] netlink_unicast+0x449/0x710 [ 1367.812131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.812131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.812131][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.812131][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.812131][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.812131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.812131][ T10] [ 1367.813698][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1367.813698][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1367.813698][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1367.813698][ T10] ipv6_find_idev+0x102/0x170 [ 1367.813698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1367.813698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.813698][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.813698][ T10] netlink_unicast+0x449/0x710 [ 1367.813698][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.813698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.813698][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.813698][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.813698][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.813698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.813698][ T10] [ 1367.815417][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1367.815662][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1367.815662][ T10] vlan_dev_init+0x97c/0xdd0 [ 1367.815662][ T10] register_netdevice+0x4d3/0x1690 [ 1367.815662][ T10] register_vlan_dev+0x162/0x4a0 [ 1367.815662][ T10] vlan_newlink+0x393/0x610 [ 1367.815662][ T10] rtnl_newlink_create+0x341/0x850 [ 1367.815662][ T10] __rtnl_newlink+0xac9/0xd80 [ 1367.815662][ T10] rtnl_newlink+0x63/0xa0 [ 1367.815662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1367.815662][ T10] netlink_rcv_skb+0x130/0x360 [ 1367.815662][ T10] netlink_unicast+0x449/0x710 [ 1367.815662][ T10] netlink_sendmsg+0x723/0xbe0 [ 1367.815662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1367.815662][ T10] ___sys_sendmsg+0xee/0x170 [ 1367.815662][ T10] __sys_sendmsg+0xcd/0x170 [ 1367.815662][ T10] do_syscall_64+0xc6/0x1e0 [ 1367.815662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1367.815662][ T10] [ 1378.060005][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1378.060417][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1378.060417][ T10] netdev_get_by_index+0x5e/0x80 [ 1378.060417][ T10] fib6_nh_init+0x3d8/0x1580 [ 1378.060417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1378.060417][ T10] ip6_route_add+0x1c/0x140 [ 1378.060417][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1378.060417][ T10] inet6_addr_add+0x4f8/0xa40 [ 1378.060417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1378.060417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.060417][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.060417][ T10] netlink_unicast+0x449/0x710 [ 1378.060417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.060417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.060417][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.060417][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.060417][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.060417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1378.060417][ T10] [ 1378.062468][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1378.062468][ T10] netdev_get_by_index+0x5e/0x80 [ 1378.062468][ T10] fib6_nh_init+0x3d8/0x1580 [ 1378.062468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1378.062468][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1378.062468][ T10] ipv6_add_addr+0x411/0x2000 [ 1378.062468][ T10] inet6_addr_add+0x30e/0xa40 [ 1378.062468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1378.062468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.062468][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.062468][ T10] netlink_unicast+0x449/0x710 [ 1378.062468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.062468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.062468][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.062468][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.062468][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.062468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1378.062468][ T10] [ 1378.064501][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1378.064501][ T10] netdev_get_by_index+0x5e/0x80 [ 1378.064501][ T10] fib6_nh_init+0x3d8/0x1580 [ 1378.064501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1378.064501][ T10] ip6_route_add+0x1c/0x140 [ 1378.064501][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1378.064501][ T10] addrconf_add_dev+0xe2/0x170 [ 1378.064501][ T10] inet6_addr_add+0x12f/0xa40 [ 1378.064501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1378.064501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.064501][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.064501][ T10] netlink_unicast+0x449/0x710 [ 1378.064501][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.064501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.064501][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.064501][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.064501][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.064501][ T10] [ 1378.066515][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1378.066515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1378.066515][ T10] ipv6_find_idev+0x102/0x170 [ 1378.066515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1378.066515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.066515][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.066515][ T10] netlink_unicast+0x449/0x710 [ 1378.066515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.066515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.066515][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.066515][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.066515][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.066515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1378.066515][ T10] [ 1378.068091][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1378.068091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1378.068091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1378.068091][ T10] ipv6_find_idev+0x102/0x170 [ 1378.068091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1378.068091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.068091][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.068091][ T10] netlink_unicast+0x449/0x710 [ 1378.068091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.068091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.068091][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.068091][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.068091][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.068091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1378.068091][ T10] [ 1378.069828][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1378.070130][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1378.070130][ T10] netdev_get_by_index+0x5e/0x80 [ 1378.070130][ T10] fib6_nh_init+0x3d8/0x1580 [ 1378.070130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1378.070130][ T10] ip6_route_add+0x1c/0x140 [ 1378.070130][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1378.070130][ T10] inet6_addr_add+0x4f8/0xa40 [ 1378.070130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1378.070130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.070130][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.070130][ T10] netlink_unicast+0x449/0x710 [ 1378.070130][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.070130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.070130][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.070130][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.070130][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.070130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1378.070130][ T10] [ 1378.072166][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1378.072166][ T10] netdev_get_by_index+0x5e/0x80 [ 1378.072166][ T10] fib6_nh_init+0x3d8/0x1580 [ 1378.072166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1378.072166][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1378.072166][ T10] ipv6_add_addr+0x411/0x2000 [ 1378.072166][ T10] inet6_addr_add+0x30e/0xa40 [ 1378.072166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1378.072166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.072166][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.072166][ T10] netlink_unicast+0x449/0x710 [ 1378.072166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.072166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.072166][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.072166][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.072166][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.072166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1378.072166][ T10] [ 1378.074179][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1378.074179][ T10] netdev_get_by_index+0x5e/0x80 [ 1378.074179][ T10] fib6_nh_init+0x3d8/0x1580 [ 1378.074179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1378.074179][ T10] ip6_route_add+0x1c/0x140 [ 1378.074179][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1378.074179][ T10] addrconf_add_dev+0xe2/0x170 [ 1378.074179][ T10] inet6_addr_add+0x12f/0xa40 [ 1378.074179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1378.074179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.074179][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.074179][ T10] netlink_unicast+0x449/0x710 [ 1378.074179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.074179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.074179][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.074179][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.074179][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.074179][ T10] [ 1378.076184][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1378.076184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1378.076184][ T10] ipv6_find_idev+0x102/0x170 [ 1378.076184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1378.076184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.076184][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.076184][ T10] netlink_unicast+0x449/0x710 [ 1378.076184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.076184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.076184][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.076184][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.076184][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.076184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1378.076184][ T10] [ 1378.077740][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1378.077740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1378.077740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1378.077740][ T10] ipv6_find_idev+0x102/0x170 [ 1378.077740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1378.077740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.077740][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.077740][ T10] netlink_unicast+0x449/0x710 [ 1378.077740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.077740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.077740][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.077740][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.077740][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.077740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1378.077740][ T10] [ 1378.079456][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1378.079701][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1378.079701][ T10] vlan_dev_init+0x97c/0xdd0 [ 1378.079701][ T10] register_netdevice+0x4d3/0x1690 [ 1378.079701][ T10] register_vlan_dev+0x162/0x4a0 [ 1378.079701][ T10] vlan_newlink+0x393/0x610 [ 1378.079701][ T10] rtnl_newlink_create+0x341/0x850 [ 1378.079701][ T10] __rtnl_newlink+0xac9/0xd80 [ 1378.079701][ T10] rtnl_newlink+0x63/0xa0 [ 1378.079701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1378.079701][ T10] netlink_rcv_skb+0x130/0x360 [ 1378.079701][ T10] netlink_unicast+0x449/0x710 [ 1378.079701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1378.079701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1378.079701][ T10] ___sys_sendmsg+0xee/0x170 [ 1378.079701][ T10] __sys_sendmsg+0xcd/0x170 [ 1378.079701][ T10] do_syscall_64+0xc6/0x1e0 [ 1378.079701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1378.079701][ T10] [ 1388.324009][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1388.324421][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1388.324421][ T10] netdev_get_by_index+0x5e/0x80 [ 1388.324421][ T10] fib6_nh_init+0x3d8/0x1580 [ 1388.324421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1388.324421][ T10] ip6_route_add+0x1c/0x140 [ 1388.324421][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1388.324421][ T10] inet6_addr_add+0x4f8/0xa40 [ 1388.324421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.324421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.324421][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.324421][ T10] netlink_unicast+0x449/0x710 [ 1388.324421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.324421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.324421][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.324421][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.324421][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.324421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.324421][ T10] [ 1388.326467][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1388.326467][ T10] netdev_get_by_index+0x5e/0x80 [ 1388.326467][ T10] fib6_nh_init+0x3d8/0x1580 [ 1388.326467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1388.326467][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1388.326467][ T10] ipv6_add_addr+0x411/0x2000 [ 1388.326467][ T10] inet6_addr_add+0x30e/0xa40 [ 1388.326467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.326467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.326467][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.326467][ T10] netlink_unicast+0x449/0x710 [ 1388.326467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.326467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.326467][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.326467][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.326467][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.326467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.326467][ T10] [ 1388.328499][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1388.328499][ T10] netdev_get_by_index+0x5e/0x80 [ 1388.328499][ T10] fib6_nh_init+0x3d8/0x1580 [ 1388.328499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1388.328499][ T10] ip6_route_add+0x1c/0x140 [ 1388.328499][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1388.328499][ T10] addrconf_add_dev+0xe2/0x170 [ 1388.328499][ T10] inet6_addr_add+0x12f/0xa40 [ 1388.328499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.328499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.328499][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.328499][ T10] netlink_unicast+0x449/0x710 [ 1388.328499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.328499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.328499][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.328499][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.328499][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.328499][ T10] [ 1388.330515][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1388.330515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1388.330515][ T10] ipv6_find_idev+0x102/0x170 [ 1388.330515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.330515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.330515][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.330515][ T10] netlink_unicast+0x449/0x710 [ 1388.330515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.330515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.330515][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.330515][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.330515][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.330515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.330515][ T10] [ 1388.332071][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1388.332071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1388.332071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1388.332071][ T10] ipv6_find_idev+0x102/0x170 [ 1388.332071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.332071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.332071][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.332071][ T10] netlink_unicast+0x449/0x710 [ 1388.332071][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.332071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.332071][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.332071][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.332071][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.332071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.332071][ T10] [ 1388.333807][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1388.334112][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1388.334112][ T10] netdev_get_by_index+0x5e/0x80 [ 1388.334112][ T10] fib6_nh_init+0x3d8/0x1580 [ 1388.334112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1388.334112][ T10] ip6_route_add+0x1c/0x140 [ 1388.334112][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1388.334112][ T10] inet6_addr_add+0x4f8/0xa40 [ 1388.334112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.334112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.334112][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.334112][ T10] netlink_unicast+0x449/0x710 [ 1388.334112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.334112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.334112][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.334112][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.334112][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.334112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.334112][ T10] [ 1388.336147][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1388.336147][ T10] netdev_get_by_index+0x5e/0x80 [ 1388.336147][ T10] fib6_nh_init+0x3d8/0x1580 [ 1388.336147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1388.336147][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1388.336147][ T10] ipv6_add_addr+0x411/0x2000 [ 1388.336147][ T10] inet6_addr_add+0x30e/0xa40 [ 1388.336147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.336147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.336147][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.336147][ T10] netlink_unicast+0x449/0x710 [ 1388.336147][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.336147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.336147][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.336147][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.336147][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.336147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.336147][ T10] [ 1388.338164][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1388.338164][ T10] netdev_get_by_index+0x5e/0x80 [ 1388.338164][ T10] fib6_nh_init+0x3d8/0x1580 [ 1388.338164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1388.338164][ T10] ip6_route_add+0x1c/0x140 [ 1388.338164][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1388.338164][ T10] addrconf_add_dev+0xe2/0x170 [ 1388.338164][ T10] inet6_addr_add+0x12f/0xa40 [ 1388.338164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1388.338164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.338164][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.338164][ T10] netlink_unicast+0x449/0x710 [ 1388.338164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.338164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.338164][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.338164][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.338164][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.338164][ T10] [ 1388.340144][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1388.340144][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1388.340144][ T10] ipv6_find_idev+0x102/0x170 [ 1388.340144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.340144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.340144][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.340144][ T10] netlink_unicast+0x449/0x710 [ 1388.340144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.340144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.340144][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.340144][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.340144][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.340144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.340144][ T10] [ 1388.341696][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1388.341696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1388.341696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1388.341696][ T10] ipv6_find_idev+0x102/0x170 [ 1388.341696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1388.341696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.341696][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.341696][ T10] netlink_unicast+0x449/0x710 [ 1388.341696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.341696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.341696][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.341696][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.341696][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.341696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.341696][ T10] [ 1388.343407][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1388.343655][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1388.343655][ T10] vlan_dev_init+0x97c/0xdd0 [ 1388.343655][ T10] register_netdevice+0x4d3/0x1690 [ 1388.343655][ T10] register_vlan_dev+0x162/0x4a0 [ 1388.343655][ T10] vlan_newlink+0x393/0x610 [ 1388.343655][ T10] rtnl_newlink_create+0x341/0x850 [ 1388.343655][ T10] __rtnl_newlink+0xac9/0xd80 [ 1388.343655][ T10] rtnl_newlink+0x63/0xa0 [ 1388.343655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1388.343655][ T10] netlink_rcv_skb+0x130/0x360 [ 1388.343655][ T10] netlink_unicast+0x449/0x710 [ 1388.343655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1388.343655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1388.343655][ T10] ___sys_sendmsg+0xee/0x170 [ 1388.343655][ T10] __sys_sendmsg+0xcd/0x170 [ 1388.343655][ T10] do_syscall_64+0xc6/0x1e0 [ 1388.343655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1388.343655][ T10] [ 1398.588058][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1398.588585][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1398.588585][ T10] netdev_get_by_index+0x5e/0x80 [ 1398.588585][ T10] fib6_nh_init+0x3d8/0x1580 [ 1398.588585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1398.588585][ T10] ip6_route_add+0x1c/0x140 [ 1398.588585][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1398.588585][ T10] inet6_addr_add+0x4f8/0xa40 [ 1398.588585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.588585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.588585][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.588585][ T10] netlink_unicast+0x449/0x710 [ 1398.588585][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.588585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.588585][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.588585][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.588585][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.588585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.588585][ T10] [ 1398.590888][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1398.590888][ T10] netdev_get_by_index+0x5e/0x80 [ 1398.590888][ T10] fib6_nh_init+0x3d8/0x1580 [ 1398.590888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1398.590888][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1398.590888][ T10] ipv6_add_addr+0x411/0x2000 [ 1398.590888][ T10] inet6_addr_add+0x30e/0xa40 [ 1398.590888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.590888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.590888][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.590888][ T10] netlink_unicast+0x449/0x710 [ 1398.590888][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.590888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.590888][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.590888][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.590888][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.590888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.590888][ T10] [ 1398.593163][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1398.593163][ T10] netdev_get_by_index+0x5e/0x80 [ 1398.593163][ T10] fib6_nh_init+0x3d8/0x1580 [ 1398.593163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1398.593163][ T10] ip6_route_add+0x1c/0x140 [ 1398.593163][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1398.593163][ T10] addrconf_add_dev+0xe2/0x170 [ 1398.593163][ T10] inet6_addr_add+0x12f/0xa40 [ 1398.593163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.593163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.593163][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.593163][ T10] netlink_unicast+0x449/0x710 [ 1398.593163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.593163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.593163][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.593163][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.593163][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.593163][ T10] [ 1398.595396][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1398.595396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1398.595396][ T10] ipv6_find_idev+0x102/0x170 [ 1398.595396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.595396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.595396][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.595396][ T10] netlink_unicast+0x449/0x710 [ 1398.595396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.595396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.595396][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.595396][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.595396][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.595396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.595396][ T10] [ 1398.597156][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1398.597156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1398.597156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1398.597156][ T10] ipv6_find_idev+0x102/0x170 [ 1398.597156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.597156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.597156][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.597156][ T10] netlink_unicast+0x449/0x710 [ 1398.597156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.597156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.597156][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.597156][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.597156][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.597156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.597156][ T10] [ 1398.599089][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1398.599390][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1398.599390][ T10] netdev_get_by_index+0x5e/0x80 [ 1398.599390][ T10] fib6_nh_init+0x3d8/0x1580 [ 1398.599390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1398.599390][ T10] ip6_route_add+0x1c/0x140 [ 1398.599390][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1398.599390][ T10] inet6_addr_add+0x4f8/0xa40 [ 1398.599390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.599390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.599390][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.599390][ T10] netlink_unicast+0x449/0x710 [ 1398.599390][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.599390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.599390][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.599390][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.599390][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.599390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.599390][ T10] [ 1398.601657][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1398.601657][ T10] netdev_get_by_index+0x5e/0x80 [ 1398.601657][ T10] fib6_nh_init+0x3d8/0x1580 [ 1398.601657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1398.601657][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1398.601657][ T10] ipv6_add_addr+0x411/0x2000 [ 1398.601657][ T10] inet6_addr_add+0x30e/0xa40 [ 1398.601657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.601657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.601657][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.601657][ T10] netlink_unicast+0x449/0x710 [ 1398.601657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.601657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.601657][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.601657][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.601657][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.601657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.601657][ T10] [ 1398.603937][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1398.603937][ T10] netdev_get_by_index+0x5e/0x80 [ 1398.603937][ T10] fib6_nh_init+0x3d8/0x1580 [ 1398.603937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1398.603937][ T10] ip6_route_add+0x1c/0x140 [ 1398.603937][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1398.603937][ T10] addrconf_add_dev+0xe2/0x170 [ 1398.603937][ T10] inet6_addr_add+0x12f/0xa40 [ 1398.603937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1398.603937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.603937][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.603937][ T10] netlink_unicast+0x449/0x710 [ 1398.603937][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.603937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.603937][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.603937][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.603937][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.603937][ T10] [ 1398.606179][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1398.606179][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1398.606179][ T10] ipv6_find_idev+0x102/0x170 [ 1398.606179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.606179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.606179][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.606179][ T10] netlink_unicast+0x449/0x710 [ 1398.606179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.606179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.606179][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.606179][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.606179][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.606179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.606179][ T10] [ 1398.607934][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1398.607934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1398.607934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1398.607934][ T10] ipv6_find_idev+0x102/0x170 [ 1398.607934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1398.607934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.607934][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.607934][ T10] netlink_unicast+0x449/0x710 [ 1398.607934][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.607934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.607934][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.607934][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.607934][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.607934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.607934][ T10] [ 1398.609821][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1398.610101][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1398.610101][ T10] vlan_dev_init+0x97c/0xdd0 [ 1398.610101][ T10] register_netdevice+0x4d3/0x1690 [ 1398.610101][ T10] register_vlan_dev+0x162/0x4a0 [ 1398.610101][ T10] vlan_newlink+0x393/0x610 [ 1398.610101][ T10] rtnl_newlink_create+0x341/0x850 [ 1398.610101][ T10] __rtnl_newlink+0xac9/0xd80 [ 1398.610101][ T10] rtnl_newlink+0x63/0xa0 [ 1398.610101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1398.610101][ T10] netlink_rcv_skb+0x130/0x360 [ 1398.610101][ T10] netlink_unicast+0x449/0x710 [ 1398.610101][ T10] netlink_sendmsg+0x723/0xbe0 [ 1398.610101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1398.610101][ T10] ___sys_sendmsg+0xee/0x170 [ 1398.610101][ T10] __sys_sendmsg+0xcd/0x170 [ 1398.610101][ T10] do_syscall_64+0xc6/0x1e0 [ 1398.610101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1398.610101][ T10] [ 1408.852005][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1408.852501][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1408.852501][ T10] netdev_get_by_index+0x5e/0x80 [ 1408.852501][ T10] fib6_nh_init+0x3d8/0x1580 [ 1408.852501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1408.852501][ T10] ip6_route_add+0x1c/0x140 [ 1408.852501][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1408.852501][ T10] inet6_addr_add+0x4f8/0xa40 [ 1408.852501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.852501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.852501][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.852501][ T10] netlink_unicast+0x449/0x710 [ 1408.852501][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.852501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.852501][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.852501][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.852501][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.852501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.852501][ T10] [ 1408.854574][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1408.854574][ T10] netdev_get_by_index+0x5e/0x80 [ 1408.854574][ T10] fib6_nh_init+0x3d8/0x1580 [ 1408.854574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1408.854574][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1408.854574][ T10] ipv6_add_addr+0x411/0x2000 [ 1408.854574][ T10] inet6_addr_add+0x30e/0xa40 [ 1408.854574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.854574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.854574][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.854574][ T10] netlink_unicast+0x449/0x710 [ 1408.854574][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.854574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.854574][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.854574][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.854574][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.854574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.854574][ T10] [ 1408.856619][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1408.856619][ T10] netdev_get_by_index+0x5e/0x80 [ 1408.856619][ T10] fib6_nh_init+0x3d8/0x1580 [ 1408.856619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1408.856619][ T10] ip6_route_add+0x1c/0x140 [ 1408.856619][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1408.856619][ T10] addrconf_add_dev+0xe2/0x170 [ 1408.856619][ T10] inet6_addr_add+0x12f/0xa40 [ 1408.856619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.856619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.856619][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.856619][ T10] netlink_unicast+0x449/0x710 [ 1408.856619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.856619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.856619][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.856619][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.856619][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.856619][ T10] [ 1408.858600][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1408.858600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1408.858600][ T10] ipv6_find_idev+0x102/0x170 [ 1408.858600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.858600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.858600][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.858600][ T10] netlink_unicast+0x449/0x710 [ 1408.858600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.858600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.858600][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.858600][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.858600][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.858600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.858600][ T10] [ 1408.860153][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1408.860153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1408.860153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1408.860153][ T10] ipv6_find_idev+0x102/0x170 [ 1408.860153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.860153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.860153][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.860153][ T10] netlink_unicast+0x449/0x710 [ 1408.860153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.860153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.860153][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.860153][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.860153][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.860153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.860153][ T10] [ 1408.861865][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1408.862159][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1408.862159][ T10] netdev_get_by_index+0x5e/0x80 [ 1408.862159][ T10] fib6_nh_init+0x3d8/0x1580 [ 1408.862159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1408.862159][ T10] ip6_route_add+0x1c/0x140 [ 1408.862159][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1408.862159][ T10] inet6_addr_add+0x4f8/0xa40 [ 1408.862159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.862159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.862159][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.862159][ T10] netlink_unicast+0x449/0x710 [ 1408.862159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.862159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.862159][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.862159][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.862159][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.862159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.862159][ T10] [ 1408.864197][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1408.864197][ T10] netdev_get_by_index+0x5e/0x80 [ 1408.864197][ T10] fib6_nh_init+0x3d8/0x1580 [ 1408.864197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1408.864197][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1408.864197][ T10] ipv6_add_addr+0x411/0x2000 [ 1408.864197][ T10] inet6_addr_add+0x30e/0xa40 [ 1408.864197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.864197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.864197][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.864197][ T10] netlink_unicast+0x449/0x710 [ 1408.864197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.864197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.864197][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.864197][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.864197][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.864197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.864197][ T10] [ 1408.866225][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1408.866225][ T10] netdev_get_by_index+0x5e/0x80 [ 1408.866225][ T10] fib6_nh_init+0x3d8/0x1580 [ 1408.866225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1408.866225][ T10] ip6_route_add+0x1c/0x140 [ 1408.866225][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1408.866225][ T10] addrconf_add_dev+0xe2/0x170 [ 1408.866225][ T10] inet6_addr_add+0x12f/0xa40 [ 1408.866225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1408.866225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.866225][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.866225][ T10] netlink_unicast+0x449/0x710 [ 1408.866225][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.866225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.866225][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.866225][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.866225][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.866225][ T10] [ 1408.868217][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1408.868217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1408.868217][ T10] ipv6_find_idev+0x102/0x170 [ 1408.868217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.868217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.868217][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.868217][ T10] netlink_unicast+0x449/0x710 [ 1408.868217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.868217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.868217][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.868217][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.868217][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.868217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.868217][ T10] [ 1408.869783][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1408.869783][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1408.869783][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1408.869783][ T10] ipv6_find_idev+0x102/0x170 [ 1408.869783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1408.869783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.869783][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.869783][ T10] netlink_unicast+0x449/0x710 [ 1408.869783][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.869783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.869783][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.869783][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.869783][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.869783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.869783][ T10] [ 1408.871483][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1408.871753][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1408.871753][ T10] vlan_dev_init+0x97c/0xdd0 [ 1408.871753][ T10] register_netdevice+0x4d3/0x1690 [ 1408.871753][ T10] register_vlan_dev+0x162/0x4a0 [ 1408.871753][ T10] vlan_newlink+0x393/0x610 [ 1408.871753][ T10] rtnl_newlink_create+0x341/0x850 [ 1408.871753][ T10] __rtnl_newlink+0xac9/0xd80 [ 1408.871753][ T10] rtnl_newlink+0x63/0xa0 [ 1408.871753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1408.871753][ T10] netlink_rcv_skb+0x130/0x360 [ 1408.871753][ T10] netlink_unicast+0x449/0x710 [ 1408.871753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1408.871753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1408.871753][ T10] ___sys_sendmsg+0xee/0x170 [ 1408.871753][ T10] __sys_sendmsg+0xcd/0x170 [ 1408.871753][ T10] do_syscall_64+0xc6/0x1e0 [ 1408.871753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1408.871753][ T10] [ 1419.116008][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1419.116530][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1419.116530][ T10] netdev_get_by_index+0x5e/0x80 [ 1419.116530][ T10] fib6_nh_init+0x3d8/0x1580 [ 1419.116530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1419.116530][ T10] ip6_route_add+0x1c/0x140 [ 1419.116530][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1419.116530][ T10] inet6_addr_add+0x4f8/0xa40 [ 1419.116530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.116530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.116530][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.116530][ T10] netlink_unicast+0x449/0x710 [ 1419.116530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.116530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.116530][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.116530][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.116530][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.116530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.116530][ T10] [ 1419.118811][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1419.118811][ T10] netdev_get_by_index+0x5e/0x80 [ 1419.118811][ T10] fib6_nh_init+0x3d8/0x1580 [ 1419.118811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1419.118811][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1419.118811][ T10] ipv6_add_addr+0x411/0x2000 [ 1419.118811][ T10] inet6_addr_add+0x30e/0xa40 [ 1419.118811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.118811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.118811][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.118811][ T10] netlink_unicast+0x449/0x710 [ 1419.118811][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.118811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.118811][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.118811][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.118811][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.118811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.118811][ T10] [ 1419.121079][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1419.121079][ T10] netdev_get_by_index+0x5e/0x80 [ 1419.121079][ T10] fib6_nh_init+0x3d8/0x1580 [ 1419.121079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1419.121079][ T10] ip6_route_add+0x1c/0x140 [ 1419.121079][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1419.121079][ T10] addrconf_add_dev+0xe2/0x170 [ 1419.121079][ T10] inet6_addr_add+0x12f/0xa40 [ 1419.121079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.121079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.121079][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.121079][ T10] netlink_unicast+0x449/0x710 [ 1419.121079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.121079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.121079][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.121079][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.121079][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.121079][ T10] [ 1419.123300][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1419.123300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1419.123300][ T10] ipv6_find_idev+0x102/0x170 [ 1419.123300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1419.123300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.123300][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.123300][ T10] netlink_unicast+0x449/0x710 [ 1419.123300][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.123300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.123300][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.123300][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.123300][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.123300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.123300][ T10] [ 1419.125035][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1419.125035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1419.125035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1419.125035][ T10] ipv6_find_idev+0x102/0x170 [ 1419.125035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1419.125035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.125035][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.125035][ T10] netlink_unicast+0x449/0x710 [ 1419.125035][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.125035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.125035][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.125035][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.125035][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.125035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.125035][ T10] [ 1419.126976][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1419.127282][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1419.127282][ T10] netdev_get_by_index+0x5e/0x80 [ 1419.127282][ T10] fib6_nh_init+0x3d8/0x1580 [ 1419.127282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1419.127282][ T10] ip6_route_add+0x1c/0x140 [ 1419.127282][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1419.127282][ T10] inet6_addr_add+0x4f8/0xa40 [ 1419.127282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.127282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.127282][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.127282][ T10] netlink_unicast+0x449/0x710 [ 1419.127282][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.127282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.127282][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.127282][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.127282][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.127282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.127282][ T10] [ 1419.129560][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1419.129560][ T10] netdev_get_by_index+0x5e/0x80 [ 1419.129560][ T10] fib6_nh_init+0x3d8/0x1580 [ 1419.129560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1419.129560][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1419.129560][ T10] ipv6_add_addr+0x411/0x2000 [ 1419.129560][ T10] inet6_addr_add+0x30e/0xa40 [ 1419.129560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.129560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.129560][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.129560][ T10] netlink_unicast+0x449/0x710 [ 1419.129560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.129560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.129560][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.129560][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.129560][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.129560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.129560][ T10] [ 1419.131829][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1419.131829][ T10] netdev_get_by_index+0x5e/0x80 [ 1419.131829][ T10] fib6_nh_init+0x3d8/0x1580 [ 1419.131829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1419.131829][ T10] ip6_route_add+0x1c/0x140 [ 1419.131829][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1419.131829][ T10] addrconf_add_dev+0xe2/0x170 [ 1419.131829][ T10] inet6_addr_add+0x12f/0xa40 [ 1419.131829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1419.131829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.131829][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.131829][ T10] netlink_unicast+0x449/0x710 [ 1419.131829][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.131829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.131829][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.131829][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.131829][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.131829][ T10] [ 1419.134079][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1419.134079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1419.134079][ T10] ipv6_find_idev+0x102/0x170 [ 1419.134079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1419.134079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.134079][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.134079][ T10] netlink_unicast+0x449/0x710 [ 1419.134079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.134079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.134079][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.134079][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.134079][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.134079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.134079][ T10] [ 1419.135821][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1419.135821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1419.135821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1419.135821][ T10] ipv6_find_idev+0x102/0x170 [ 1419.135821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1419.135821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.135821][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.135821][ T10] netlink_unicast+0x449/0x710 [ 1419.135821][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.135821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.135821][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.135821][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.135821][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.135821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.135821][ T10] [ 1419.137710][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1419.137992][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1419.137992][ T10] vlan_dev_init+0x97c/0xdd0 [ 1419.137992][ T10] register_netdevice+0x4d3/0x1690 [ 1419.137992][ T10] register_vlan_dev+0x162/0x4a0 [ 1419.137992][ T10] vlan_newlink+0x393/0x610 [ 1419.137992][ T10] rtnl_newlink_create+0x341/0x850 [ 1419.137992][ T10] __rtnl_newlink+0xac9/0xd80 [ 1419.137992][ T10] rtnl_newlink+0x63/0xa0 [ 1419.137992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1419.137992][ T10] netlink_rcv_skb+0x130/0x360 [ 1419.137992][ T10] netlink_unicast+0x449/0x710 [ 1419.137992][ T10] netlink_sendmsg+0x723/0xbe0 [ 1419.137992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1419.137992][ T10] ___sys_sendmsg+0xee/0x170 [ 1419.137992][ T10] __sys_sendmsg+0xcd/0x170 [ 1419.137992][ T10] do_syscall_64+0xc6/0x1e0 [ 1419.137992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1419.137992][ T10] [ 1429.380000][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1429.380528][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1429.380528][ T10] netdev_get_by_index+0x5e/0x80 [ 1429.380528][ T10] fib6_nh_init+0x3d8/0x1580 [ 1429.380528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1429.380528][ T10] ip6_route_add+0x1c/0x140 [ 1429.380528][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1429.380528][ T10] inet6_addr_add+0x4f8/0xa40 [ 1429.380528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.380528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.380528][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.380528][ T10] netlink_unicast+0x449/0x710 [ 1429.380528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.380528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.380528][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.380528][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.380528][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.380528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.380528][ T10] [ 1429.382605][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1429.382605][ T10] netdev_get_by_index+0x5e/0x80 [ 1429.382605][ T10] fib6_nh_init+0x3d8/0x1580 [ 1429.382605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1429.382605][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1429.382605][ T10] ipv6_add_addr+0x411/0x2000 [ 1429.382605][ T10] inet6_addr_add+0x30e/0xa40 [ 1429.382605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.382605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.382605][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.382605][ T10] netlink_unicast+0x449/0x710 [ 1429.382605][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.382605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.382605][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.382605][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.382605][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.382605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.382605][ T10] [ 1429.384653][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1429.384653][ T10] netdev_get_by_index+0x5e/0x80 [ 1429.384653][ T10] fib6_nh_init+0x3d8/0x1580 [ 1429.384653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1429.384653][ T10] ip6_route_add+0x1c/0x140 [ 1429.384653][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1429.384653][ T10] addrconf_add_dev+0xe2/0x170 [ 1429.384653][ T10] inet6_addr_add+0x12f/0xa40 [ 1429.384653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.384653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.384653][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.384653][ T10] netlink_unicast+0x449/0x710 [ 1429.384653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.384653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.384653][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.384653][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.384653][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.384653][ T10] [ 1429.386663][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1429.386663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1429.386663][ T10] ipv6_find_idev+0x102/0x170 [ 1429.386663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.386663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.386663][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.386663][ T10] netlink_unicast+0x449/0x710 [ 1429.386663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.386663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.386663][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.386663][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.386663][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.386663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.386663][ T10] [ 1429.388230][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1429.388230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1429.388230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1429.388230][ T10] ipv6_find_idev+0x102/0x170 [ 1429.388230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.388230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.388230][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.388230][ T10] netlink_unicast+0x449/0x710 [ 1429.388230][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.388230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.388230][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.388230][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.388230][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.388230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.388230][ T10] [ 1429.389972][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1429.390250][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1429.390250][ T10] netdev_get_by_index+0x5e/0x80 [ 1429.390250][ T10] fib6_nh_init+0x3d8/0x1580 [ 1429.390250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1429.390250][ T10] ip6_route_add+0x1c/0x140 [ 1429.390250][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1429.390250][ T10] inet6_addr_add+0x4f8/0xa40 [ 1429.390250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.390250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.390250][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.390250][ T10] netlink_unicast+0x449/0x710 [ 1429.390250][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.390250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.390250][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.390250][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.390250][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.390250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.390250][ T10] [ 1429.392295][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1429.392295][ T10] netdev_get_by_index+0x5e/0x80 [ 1429.392295][ T10] fib6_nh_init+0x3d8/0x1580 [ 1429.392295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1429.392295][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1429.392295][ T10] ipv6_add_addr+0x411/0x2000 [ 1429.392295][ T10] inet6_addr_add+0x30e/0xa40 [ 1429.392295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.392295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.392295][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.392295][ T10] netlink_unicast+0x449/0x710 [ 1429.392295][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.392295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.392295][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.392295][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.392295][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.392295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.392295][ T10] [ 1429.394329][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1429.394329][ T10] netdev_get_by_index+0x5e/0x80 [ 1429.394329][ T10] fib6_nh_init+0x3d8/0x1580 [ 1429.394329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1429.394329][ T10] ip6_route_add+0x1c/0x140 [ 1429.394329][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1429.394329][ T10] addrconf_add_dev+0xe2/0x170 [ 1429.394329][ T10] inet6_addr_add+0x12f/0xa40 [ 1429.394329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1429.394329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.394329][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.394329][ T10] netlink_unicast+0x449/0x710 [ 1429.394329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.394329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.394329][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.394329][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.394329][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.394329][ T10] [ 1429.396331][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1429.396331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1429.396331][ T10] ipv6_find_idev+0x102/0x170 [ 1429.396331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.396331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.396331][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.396331][ T10] netlink_unicast+0x449/0x710 [ 1429.396331][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.396331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.396331][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.396331][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.396331][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.396331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.396331][ T10] [ 1429.397892][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1429.397892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1429.397892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1429.397892][ T10] ipv6_find_idev+0x102/0x170 [ 1429.397892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1429.397892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.397892][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.397892][ T10] netlink_unicast+0x449/0x710 [ 1429.397892][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.397892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.397892][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.397892][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.397892][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.397892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.397892][ T10] [ 1429.399596][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1429.399847][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1429.399847][ T10] vlan_dev_init+0x97c/0xdd0 [ 1429.399847][ T10] register_netdevice+0x4d3/0x1690 [ 1429.399847][ T10] register_vlan_dev+0x162/0x4a0 [ 1429.399847][ T10] vlan_newlink+0x393/0x610 [ 1429.399847][ T10] rtnl_newlink_create+0x341/0x850 [ 1429.399847][ T10] __rtnl_newlink+0xac9/0xd80 [ 1429.399847][ T10] rtnl_newlink+0x63/0xa0 [ 1429.399847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1429.399847][ T10] netlink_rcv_skb+0x130/0x360 [ 1429.399847][ T10] netlink_unicast+0x449/0x710 [ 1429.399847][ T10] netlink_sendmsg+0x723/0xbe0 [ 1429.399847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1429.399847][ T10] ___sys_sendmsg+0xee/0x170 [ 1429.399847][ T10] __sys_sendmsg+0xcd/0x170 [ 1429.399847][ T10] do_syscall_64+0xc6/0x1e0 [ 1429.399847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1429.399847][ T10] [ 1439.484007][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1439.484476][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1439.484476][ T10] netdev_get_by_index+0x5e/0x80 [ 1439.484476][ T10] fib6_nh_init+0x3d8/0x1580 [ 1439.484476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1439.484476][ T10] ip6_route_add+0x1c/0x140 [ 1439.484476][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1439.484476][ T10] inet6_addr_add+0x4f8/0xa40 [ 1439.484476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.484476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.484476][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.484476][ T10] netlink_unicast+0x449/0x710 [ 1439.484476][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.484476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.484476][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.484476][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.484476][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.484476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.484476][ T10] [ 1439.486529][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1439.486529][ T10] netdev_get_by_index+0x5e/0x80 [ 1439.486529][ T10] fib6_nh_init+0x3d8/0x1580 [ 1439.486529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1439.486529][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1439.486529][ T10] ipv6_add_addr+0x411/0x2000 [ 1439.486529][ T10] inet6_addr_add+0x30e/0xa40 [ 1439.486529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.486529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.486529][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.486529][ T10] netlink_unicast+0x449/0x710 [ 1439.486529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.486529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.486529][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.486529][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.486529][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.486529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.486529][ T10] [ 1439.488544][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1439.488544][ T10] netdev_get_by_index+0x5e/0x80 [ 1439.488544][ T10] fib6_nh_init+0x3d8/0x1580 [ 1439.488544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1439.488544][ T10] ip6_route_add+0x1c/0x140 [ 1439.488544][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1439.488544][ T10] addrconf_add_dev+0xe2/0x170 [ 1439.488544][ T10] inet6_addr_add+0x12f/0xa40 [ 1439.488544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.488544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.488544][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.488544][ T10] netlink_unicast+0x449/0x710 [ 1439.488544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.488544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.488544][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.488544][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.488544][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.488544][ T10] [ 1439.490871][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1439.490871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1439.490871][ T10] ipv6_find_idev+0x102/0x170 [ 1439.490871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.490871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.490871][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.490871][ T10] netlink_unicast+0x449/0x710 [ 1439.490871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.490871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.490871][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.490871][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.490871][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.490871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.490871][ T10] [ 1439.492433][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1439.492433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1439.492433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1439.492433][ T10] ipv6_find_idev+0x102/0x170 [ 1439.492433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.492433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.492433][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.492433][ T10] netlink_unicast+0x449/0x710 [ 1439.492433][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.492433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.492433][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.492433][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.492433][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.492433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.492433][ T10] [ 1439.494140][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1439.494415][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1439.494415][ T10] netdev_get_by_index+0x5e/0x80 [ 1439.494415][ T10] fib6_nh_init+0x3d8/0x1580 [ 1439.494415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1439.494415][ T10] ip6_route_add+0x1c/0x140 [ 1439.494415][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1439.494415][ T10] inet6_addr_add+0x4f8/0xa40 [ 1439.494415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.494415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.494415][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.494415][ T10] netlink_unicast+0x449/0x710 [ 1439.494415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.494415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.494415][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.494415][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.494415][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.494415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.494415][ T10] [ 1439.496436][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1439.496436][ T10] netdev_get_by_index+0x5e/0x80 [ 1439.496436][ T10] fib6_nh_init+0x3d8/0x1580 [ 1439.496436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1439.496436][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1439.496436][ T10] ipv6_add_addr+0x411/0x2000 [ 1439.496436][ T10] inet6_addr_add+0x30e/0xa40 [ 1439.496436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.496436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.496436][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.496436][ T10] netlink_unicast+0x449/0x710 [ 1439.496436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.496436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.496436][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.496436][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.496436][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.496436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.496436][ T10] [ 1439.498447][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1439.498447][ T10] netdev_get_by_index+0x5e/0x80 [ 1439.498447][ T10] fib6_nh_init+0x3d8/0x1580 [ 1439.498447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1439.498447][ T10] ip6_route_add+0x1c/0x140 [ 1439.498447][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1439.498447][ T10] addrconf_add_dev+0xe2/0x170 [ 1439.498447][ T10] inet6_addr_add+0x12f/0xa40 [ 1439.498447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1439.498447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.498447][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.498447][ T10] netlink_unicast+0x449/0x710 [ 1439.498447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.498447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.498447][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.498447][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.498447][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.498447][ T10] [ 1439.500421][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1439.500421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1439.500421][ T10] ipv6_find_idev+0x102/0x170 [ 1439.500421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.500421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.500421][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.500421][ T10] netlink_unicast+0x449/0x710 [ 1439.500421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.500421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.500421][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.500421][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.500421][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.500421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.500421][ T10] [ 1439.501968][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1439.501968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1439.501968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1439.501968][ T10] ipv6_find_idev+0x102/0x170 [ 1439.501968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1439.501968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.501968][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.501968][ T10] netlink_unicast+0x449/0x710 [ 1439.501968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.501968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.501968][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.501968][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.501968][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.501968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.501968][ T10] [ 1439.503679][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1439.503924][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1439.503924][ T10] vlan_dev_init+0x97c/0xdd0 [ 1439.503924][ T10] register_netdevice+0x4d3/0x1690 [ 1439.503924][ T10] register_vlan_dev+0x162/0x4a0 [ 1439.503924][ T10] vlan_newlink+0x393/0x610 [ 1439.503924][ T10] rtnl_newlink_create+0x341/0x850 [ 1439.503924][ T10] __rtnl_newlink+0xac9/0xd80 [ 1439.503924][ T10] rtnl_newlink+0x63/0xa0 [ 1439.503924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1439.503924][ T10] netlink_rcv_skb+0x130/0x360 [ 1439.503924][ T10] netlink_unicast+0x449/0x710 [ 1439.503924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1439.503924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1439.503924][ T10] ___sys_sendmsg+0xee/0x170 [ 1439.503924][ T10] __sys_sendmsg+0xcd/0x170 [ 1439.503924][ T10] do_syscall_64+0xc6/0x1e0 [ 1439.503924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1439.503924][ T10] [ 1449.747994][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1449.748409][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1449.748409][ T10] netdev_get_by_index+0x5e/0x80 [ 1449.748409][ T10] fib6_nh_init+0x3d8/0x1580 [ 1449.748409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1449.748409][ T10] ip6_route_add+0x1c/0x140 [ 1449.748409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1449.748409][ T10] inet6_addr_add+0x4f8/0xa40 [ 1449.748409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.748409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.748409][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.748409][ T10] netlink_unicast+0x449/0x710 [ 1449.748409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.748409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.748409][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.748409][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.748409][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.748409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.748409][ T10] [ 1449.750443][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1449.750443][ T10] netdev_get_by_index+0x5e/0x80 [ 1449.750443][ T10] fib6_nh_init+0x3d8/0x1580 [ 1449.750443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1449.750443][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1449.750443][ T10] ipv6_add_addr+0x411/0x2000 [ 1449.750443][ T10] inet6_addr_add+0x30e/0xa40 [ 1449.750443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.750443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.750443][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.750443][ T10] netlink_unicast+0x449/0x710 [ 1449.750443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.750443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.750443][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.750443][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.750443][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.750443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.750443][ T10] [ 1449.752468][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1449.752468][ T10] netdev_get_by_index+0x5e/0x80 [ 1449.752468][ T10] fib6_nh_init+0x3d8/0x1580 [ 1449.752468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1449.752468][ T10] ip6_route_add+0x1c/0x140 [ 1449.752468][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1449.752468][ T10] addrconf_add_dev+0xe2/0x170 [ 1449.752468][ T10] inet6_addr_add+0x12f/0xa40 [ 1449.752468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.752468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.752468][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.752468][ T10] netlink_unicast+0x449/0x710 [ 1449.752468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.752468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.752468][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.752468][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.752468][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.752468][ T10] [ 1449.754452][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1449.754452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1449.754452][ T10] ipv6_find_idev+0x102/0x170 [ 1449.754452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.754452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.754452][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.754452][ T10] netlink_unicast+0x449/0x710 [ 1449.754452][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.754452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.754452][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.754452][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.754452][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.754452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.754452][ T10] [ 1449.756010][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1449.756010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1449.756010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1449.756010][ T10] ipv6_find_idev+0x102/0x170 [ 1449.756010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.756010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.756010][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.756010][ T10] netlink_unicast+0x449/0x710 [ 1449.756010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.756010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.756010][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.756010][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.756010][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.756010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.756010][ T10] [ 1449.757738][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1449.758025][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1449.758025][ T10] netdev_get_by_index+0x5e/0x80 [ 1449.758025][ T10] fib6_nh_init+0x3d8/0x1580 [ 1449.758025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1449.758025][ T10] ip6_route_add+0x1c/0x140 [ 1449.758025][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1449.758025][ T10] inet6_addr_add+0x4f8/0xa40 [ 1449.758025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.758025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.758025][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.758025][ T10] netlink_unicast+0x449/0x710 [ 1449.758025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.758025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.758025][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.758025][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.758025][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.758025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.758025][ T10] [ 1449.760047][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1449.760047][ T10] netdev_get_by_index+0x5e/0x80 [ 1449.760047][ T10] fib6_nh_init+0x3d8/0x1580 [ 1449.760047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1449.760047][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1449.760047][ T10] ipv6_add_addr+0x411/0x2000 [ 1449.760047][ T10] inet6_addr_add+0x30e/0xa40 [ 1449.760047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.760047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.760047][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.760047][ T10] netlink_unicast+0x449/0x710 [ 1449.760047][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.760047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.760047][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.760047][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.760047][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.760047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.760047][ T10] [ 1449.762094][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1449.762094][ T10] netdev_get_by_index+0x5e/0x80 [ 1449.762094][ T10] fib6_nh_init+0x3d8/0x1580 [ 1449.762094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1449.762094][ T10] ip6_route_add+0x1c/0x140 [ 1449.762094][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1449.762094][ T10] addrconf_add_dev+0xe2/0x170 [ 1449.762094][ T10] inet6_addr_add+0x12f/0xa40 [ 1449.762094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1449.762094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.762094][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.762094][ T10] netlink_unicast+0x449/0x710 [ 1449.762094][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.762094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.762094][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.762094][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.762094][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.762094][ T10] [ 1449.764075][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1449.764075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1449.764075][ T10] ipv6_find_idev+0x102/0x170 [ 1449.764075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.764075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.764075][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.764075][ T10] netlink_unicast+0x449/0x710 [ 1449.764075][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.764075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.764075][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.764075][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.764075][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.764075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.764075][ T10] [ 1449.765640][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1449.765640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1449.765640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1449.765640][ T10] ipv6_find_idev+0x102/0x170 [ 1449.765640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1449.765640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.765640][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.765640][ T10] netlink_unicast+0x449/0x710 [ 1449.765640][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.765640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.765640][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.765640][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.765640][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.765640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.765640][ T10] [ 1449.767344][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1449.767587][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1449.767587][ T10] vlan_dev_init+0x97c/0xdd0 [ 1449.767587][ T10] register_netdevice+0x4d3/0x1690 [ 1449.767587][ T10] register_vlan_dev+0x162/0x4a0 [ 1449.767587][ T10] vlan_newlink+0x393/0x610 [ 1449.767587][ T10] rtnl_newlink_create+0x341/0x850 [ 1449.767587][ T10] __rtnl_newlink+0xac9/0xd80 [ 1449.767587][ T10] rtnl_newlink+0x63/0xa0 [ 1449.767587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1449.767587][ T10] netlink_rcv_skb+0x130/0x360 [ 1449.767587][ T10] netlink_unicast+0x449/0x710 [ 1449.767587][ T10] netlink_sendmsg+0x723/0xbe0 [ 1449.767587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1449.767587][ T10] ___sys_sendmsg+0xee/0x170 [ 1449.767587][ T10] __sys_sendmsg+0xcd/0x170 [ 1449.767587][ T10] do_syscall_64+0xc6/0x1e0 [ 1449.767587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1449.767587][ T10] [ 1459.771939][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1459.772465][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1459.772465][ T10] netdev_get_by_index+0x5e/0x80 [ 1459.772465][ T10] fib6_nh_init+0x3d8/0x1580 [ 1459.772465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1459.772465][ T10] ip6_route_add+0x1c/0x140 [ 1459.772465][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1459.772465][ T10] inet6_addr_add+0x4f8/0xa40 [ 1459.772465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.772465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.772465][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.772465][ T10] netlink_unicast+0x449/0x710 [ 1459.772465][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.772465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.772465][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.772465][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.772465][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.772465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.772465][ T10] [ 1459.774744][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1459.774744][ T10] netdev_get_by_index+0x5e/0x80 [ 1459.774744][ T10] fib6_nh_init+0x3d8/0x1580 [ 1459.774744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1459.774744][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1459.774744][ T10] ipv6_add_addr+0x411/0x2000 [ 1459.774744][ T10] inet6_addr_add+0x30e/0xa40 [ 1459.774744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.774744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.774744][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.774744][ T10] netlink_unicast+0x449/0x710 [ 1459.774744][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.774744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.774744][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.774744][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.774744][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.774744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.774744][ T10] [ 1459.777028][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1459.777028][ T10] netdev_get_by_index+0x5e/0x80 [ 1459.777028][ T10] fib6_nh_init+0x3d8/0x1580 [ 1459.777028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1459.777028][ T10] ip6_route_add+0x1c/0x140 [ 1459.777028][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1459.777028][ T10] addrconf_add_dev+0xe2/0x170 [ 1459.777028][ T10] inet6_addr_add+0x12f/0xa40 [ 1459.777028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.777028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.777028][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.777028][ T10] netlink_unicast+0x449/0x710 [ 1459.777028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.777028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.777028][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.777028][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.777028][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.777028][ T10] [ 1459.779256][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1459.779256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1459.779256][ T10] ipv6_find_idev+0x102/0x170 [ 1459.779256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.779256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.779256][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.779256][ T10] netlink_unicast+0x449/0x710 [ 1459.779256][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.779256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.779256][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.779256][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.779256][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.779256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.779256][ T10] [ 1459.780995][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1459.780995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1459.780995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1459.780995][ T10] ipv6_find_idev+0x102/0x170 [ 1459.780995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.780995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.780995][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.780995][ T10] netlink_unicast+0x449/0x710 [ 1459.780995][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.780995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.780995][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.780995][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.780995][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.780995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.780995][ T10] [ 1459.782900][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1459.783210][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1459.783210][ T10] netdev_get_by_index+0x5e/0x80 [ 1459.783210][ T10] fib6_nh_init+0x3d8/0x1580 [ 1459.783210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1459.783210][ T10] ip6_route_add+0x1c/0x140 [ 1459.783210][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1459.783210][ T10] inet6_addr_add+0x4f8/0xa40 [ 1459.783210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.783210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.783210][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.783210][ T10] netlink_unicast+0x449/0x710 [ 1459.783210][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.783210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.783210][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.783210][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.783210][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.783210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.783210][ T10] [ 1459.785474][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1459.785474][ T10] netdev_get_by_index+0x5e/0x80 [ 1459.785474][ T10] fib6_nh_init+0x3d8/0x1580 [ 1459.785474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1459.785474][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1459.785474][ T10] ipv6_add_addr+0x411/0x2000 [ 1459.785474][ T10] inet6_addr_add+0x30e/0xa40 [ 1459.785474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.785474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.785474][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.785474][ T10] netlink_unicast+0x449/0x710 [ 1459.785474][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.785474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.785474][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.785474][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.785474][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.785474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.785474][ T10] [ 1459.787750][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1459.787750][ T10] netdev_get_by_index+0x5e/0x80 [ 1459.787750][ T10] fib6_nh_init+0x3d8/0x1580 [ 1459.787750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1459.787750][ T10] ip6_route_add+0x1c/0x140 [ 1459.787750][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1459.787750][ T10] addrconf_add_dev+0xe2/0x170 [ 1459.787750][ T10] inet6_addr_add+0x12f/0xa40 [ 1459.787750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1459.787750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.787750][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.787750][ T10] netlink_unicast+0x449/0x710 [ 1459.787750][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.787750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.787750][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.787750][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.787750][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.787750][ T10] [ 1459.789970][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1459.789970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1459.789970][ T10] ipv6_find_idev+0x102/0x170 [ 1459.789970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.789970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.789970][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.789970][ T10] netlink_unicast+0x449/0x710 [ 1459.789970][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.789970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.789970][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.789970][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.789970][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.789970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.789970][ T10] [ 1459.791699][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1459.791699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1459.791699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1459.791699][ T10] ipv6_find_idev+0x102/0x170 [ 1459.791699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1459.791699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.791699][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.791699][ T10] netlink_unicast+0x449/0x710 [ 1459.791699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.791699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.791699][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.791699][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.791699][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.791699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.791699][ T10] [ 1459.793607][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1459.793878][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1459.793878][ T10] vlan_dev_init+0x97c/0xdd0 [ 1459.793878][ T10] register_netdevice+0x4d3/0x1690 [ 1459.793878][ T10] register_vlan_dev+0x162/0x4a0 [ 1459.793878][ T10] vlan_newlink+0x393/0x610 [ 1459.793878][ T10] rtnl_newlink_create+0x341/0x850 [ 1459.793878][ T10] __rtnl_newlink+0xac9/0xd80 [ 1459.793878][ T10] rtnl_newlink+0x63/0xa0 [ 1459.793878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1459.793878][ T10] netlink_rcv_skb+0x130/0x360 [ 1459.793878][ T10] netlink_unicast+0x449/0x710 [ 1459.793878][ T10] netlink_sendmsg+0x723/0xbe0 [ 1459.793878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1459.793878][ T10] ___sys_sendmsg+0xee/0x170 [ 1459.793878][ T10] __sys_sendmsg+0xcd/0x170 [ 1459.793878][ T10] do_syscall_64+0xc6/0x1e0 [ 1459.793878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1459.793878][ T10] [ 1470.036003][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1470.036497][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1470.036497][ T10] netdev_get_by_index+0x5e/0x80 [ 1470.036497][ T10] fib6_nh_init+0x3d8/0x1580 [ 1470.036497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1470.036497][ T10] ip6_route_add+0x1c/0x140 [ 1470.036497][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1470.036497][ T10] inet6_addr_add+0x4f8/0xa40 [ 1470.036497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.036497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.036497][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.036497][ T10] netlink_unicast+0x449/0x710 [ 1470.036497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.036497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.036497][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.036497][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.036497][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.036497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.036497][ T10] [ 1470.038521][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1470.038521][ T10] netdev_get_by_index+0x5e/0x80 [ 1470.038521][ T10] fib6_nh_init+0x3d8/0x1580 [ 1470.038521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1470.038521][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1470.038521][ T10] ipv6_add_addr+0x411/0x2000 [ 1470.038521][ T10] inet6_addr_add+0x30e/0xa40 [ 1470.038521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.038521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.038521][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.038521][ T10] netlink_unicast+0x449/0x710 [ 1470.038521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.038521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.038521][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.038521][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.038521][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.038521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.038521][ T10] [ 1470.040515][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1470.040515][ T10] netdev_get_by_index+0x5e/0x80 [ 1470.040515][ T10] fib6_nh_init+0x3d8/0x1580 [ 1470.040515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1470.040515][ T10] ip6_route_add+0x1c/0x140 [ 1470.040515][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1470.040515][ T10] addrconf_add_dev+0xe2/0x170 [ 1470.040515][ T10] inet6_addr_add+0x12f/0xa40 [ 1470.040515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.040515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.040515][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.040515][ T10] netlink_unicast+0x449/0x710 [ 1470.040515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.040515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.040515][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.040515][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.040515][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.040515][ T10] [ 1470.042483][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1470.042483][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1470.042483][ T10] ipv6_find_idev+0x102/0x170 [ 1470.042483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.042483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.042483][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.042483][ T10] netlink_unicast+0x449/0x710 [ 1470.042483][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.042483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.042483][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.042483][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.042483][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.042483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.042483][ T10] [ 1470.044014][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1470.044014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1470.044014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1470.044014][ T10] ipv6_find_idev+0x102/0x170 [ 1470.044014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.044014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.044014][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.044014][ T10] netlink_unicast+0x449/0x710 [ 1470.044014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.044014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.044014][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.044014][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.044014][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.044014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.044014][ T10] [ 1470.045707][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1470.045991][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1470.045991][ T10] netdev_get_by_index+0x5e/0x80 [ 1470.045991][ T10] fib6_nh_init+0x3d8/0x1580 [ 1470.045991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1470.045991][ T10] ip6_route_add+0x1c/0x140 [ 1470.045991][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1470.045991][ T10] inet6_addr_add+0x4f8/0xa40 [ 1470.045991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.045991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.045991][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.045991][ T10] netlink_unicast+0x449/0x710 [ 1470.045991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.045991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.045991][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.045991][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.045991][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.045991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.045991][ T10] [ 1470.047989][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1470.047989][ T10] netdev_get_by_index+0x5e/0x80 [ 1470.047989][ T10] fib6_nh_init+0x3d8/0x1580 [ 1470.047989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1470.047989][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1470.047989][ T10] ipv6_add_addr+0x411/0x2000 [ 1470.047989][ T10] inet6_addr_add+0x30e/0xa40 [ 1470.047989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.047989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.047989][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.047989][ T10] netlink_unicast+0x449/0x710 [ 1470.047989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.047989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.047989][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.047989][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.047989][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.047989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.047989][ T10] [ 1470.049973][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1470.049973][ T10] netdev_get_by_index+0x5e/0x80 [ 1470.049973][ T10] fib6_nh_init+0x3d8/0x1580 [ 1470.049973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1470.049973][ T10] ip6_route_add+0x1c/0x140 [ 1470.049973][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1470.049973][ T10] addrconf_add_dev+0xe2/0x170 [ 1470.049973][ T10] inet6_addr_add+0x12f/0xa40 [ 1470.049973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1470.049973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.049973][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.049973][ T10] netlink_unicast+0x449/0x710 [ 1470.049973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.049973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.049973][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.049973][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.049973][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.049973][ T10] [ 1470.051925][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1470.051925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1470.051925][ T10] ipv6_find_idev+0x102/0x170 [ 1470.051925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.051925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.051925][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.051925][ T10] netlink_unicast+0x449/0x710 [ 1470.051925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.051925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.051925][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.051925][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.051925][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.051925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.051925][ T10] [ 1470.053470][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1470.053470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1470.053470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1470.053470][ T10] ipv6_find_idev+0x102/0x170 [ 1470.053470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1470.053470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.053470][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.053470][ T10] netlink_unicast+0x449/0x710 [ 1470.053470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.053470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.053470][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.053470][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.053470][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.053470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.053470][ T10] [ 1470.055157][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1470.055401][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1470.055401][ T10] vlan_dev_init+0x97c/0xdd0 [ 1470.055401][ T10] register_netdevice+0x4d3/0x1690 [ 1470.055401][ T10] register_vlan_dev+0x162/0x4a0 [ 1470.055401][ T10] vlan_newlink+0x393/0x610 [ 1470.055401][ T10] rtnl_newlink_create+0x341/0x850 [ 1470.055401][ T10] __rtnl_newlink+0xac9/0xd80 [ 1470.055401][ T10] rtnl_newlink+0x63/0xa0 [ 1470.055401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1470.055401][ T10] netlink_rcv_skb+0x130/0x360 [ 1470.055401][ T10] netlink_unicast+0x449/0x710 [ 1470.055401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1470.055401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1470.055401][ T10] ___sys_sendmsg+0xee/0x170 [ 1470.055401][ T10] __sys_sendmsg+0xcd/0x170 [ 1470.055401][ T10] do_syscall_64+0xc6/0x1e0 [ 1470.055401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1470.055401][ T10] [ 1475.884008][ T42] INFO: task modprobe:3829 blocked for more than 983 seconds. [ 1475.884326][ T42] Not tainted 6.8.0-virtme #1 [ 1475.884443][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1475.884646][ T42] task:modprobe state:D stack:25648 pid:3829 tgid:3829 ppid:59 flags:0x00004002 [ 1475.884915][ T42] Call Trace: [ 1475.885015][ T42] [ 1475.885085][ T42] __schedule+0x705/0x1ac0 [ 1475.885221][ T42] ? __pfx___schedule+0x10/0x10 [ 1475.885344][ T42] ? schedule+0x1a5/0x210 [ 1475.885451][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1475.885580][ T42] ? mark_lock+0x38/0x3e0 [ 1475.885674][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1475.885800][ T42] ? schedule+0x1a5/0x210 [ 1475.885911][ T42] schedule+0xdf/0x210 [ 1475.886009][ T42] schedule_preempt_disabled+0x15/0x30 [ 1475.886134][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1475.886265][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1475.886416][ T42] ? kasan_save_stack+0x34/0x50 [ 1475.886541][ T42] ? kasan_save_stack+0x24/0x50 [ 1475.886665][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1475.886794][ T42] ? lock_acquire+0x1c1/0x220 [ 1475.886926][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1475.887064][ T42] down_write+0x1c9/0x200 [ 1475.887158][ T42] ? __pfx_down_write+0x10/0x10 [ 1475.887279][ T42] ? __pfx___lock_release+0x10/0x10 [ 1475.887407][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1475.887609][ T42] register_pernet_subsys+0x1a/0x50 [ 1475.887732][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1475.887923][ T42] do_one_initcall+0xc8/0x3f0 [ 1475.888048][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1475.888180][ T42] ? __create_object+0x5e/0xb0 [ 1475.888305][ T42] ? kasan_unpoison+0x27/0x60 [ 1475.888433][ T42] do_init_module+0x233/0x740 [ 1475.888566][ T42] load_module+0x16b5/0x2350 [ 1475.888700][ T42] ? __pfx_load_module+0x10/0x10 [ 1475.888838][ T42] ? kernel_read_file+0x3d2/0x520 [ 1475.888990][ T42] ? kernel_read_file+0x300/0x520 [ 1475.889119][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1475.889250][ T42] ? init_module_from_file+0xd2/0x130 [ 1475.889376][ T42] init_module_from_file+0xd2/0x130 [ 1475.889498][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1475.889652][ T42] ? __lock_release+0x103/0x460 [ 1475.889774][ T42] ? idempotent_init_module+0x32a/0x620 [ 1475.889916][ T42] ? idempotent_init_module+0x32a/0x620 [ 1475.890040][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1475.890165][ T42] idempotent_init_module+0x342/0x620 [ 1475.890293][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1475.890467][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1475.890591][ T42] do_syscall_64+0xc6/0x1e0 [ 1475.890718][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.890873][ T42] RIP: 0033:0x7fab981a1e5d [ 1475.891011][ T42] RSP: 002b:00007ffe70d7a428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1475.891199][ T42] RAX: ffffffffffffffda RBX: 0000555e1943ce90 RCX: 00007fab981a1e5d [ 1475.891381][ T42] RDX: 0000000000000000 RSI: 0000555deb69da2a RDI: 0000000000000001 [ 1475.891564][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555e1943d4f0 [ 1475.891743][ T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555deb69da2a [ 1475.891933][ T42] R13: 0000555e1943ce40 R14: 0000555e1943d570 R15: 0000000000000000 [ 1475.892132][ T42] [ 1475.892226][ T42] [ 1475.892226][ T42] Showing all locks held in the system: [ 1475.892398][ T42] 3 locks held by kworker/u16:0/10: [ 1475.892518][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1475.892768][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1475.893005][ T42] #2: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1475.893228][ T42] 1 lock held by khungtaskd/42: [ 1475.893347][ T42] #0: ffffffffb5b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1475.893567][ T42] 2 locks held by kworker/u18:1/59: [ 1475.893685][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1475.893938][ T42] #1: ffffc90000407da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1475.894217][ T42] 1 lock held by modprobe/3829: [ 1475.894336][ T42] #0: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1475.894579][ T42] [ 1475.894642][ T42] ============================================= [ 1475.894642][ T42] [ 1480.300002][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1480.300475][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1480.300475][ T10] netdev_get_by_index+0x5e/0x80 [ 1480.300475][ T10] fib6_nh_init+0x3d8/0x1580 [ 1480.300475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1480.300475][ T10] ip6_route_add+0x1c/0x140 [ 1480.300475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1480.300475][ T10] inet6_addr_add+0x4f8/0xa40 [ 1480.300475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.300475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.300475][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.300475][ T10] netlink_unicast+0x449/0x710 [ 1480.300475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.300475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.300475][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.300475][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.300475][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.300475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.300475][ T10] [ 1480.302507][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1480.302507][ T10] netdev_get_by_index+0x5e/0x80 [ 1480.302507][ T10] fib6_nh_init+0x3d8/0x1580 [ 1480.302507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1480.302507][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1480.302507][ T10] ipv6_add_addr+0x411/0x2000 [ 1480.302507][ T10] inet6_addr_add+0x30e/0xa40 [ 1480.302507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.302507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.302507][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.302507][ T10] netlink_unicast+0x449/0x710 [ 1480.302507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.302507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.302507][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.302507][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.302507][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.302507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.302507][ T10] [ 1480.304522][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1480.304522][ T10] netdev_get_by_index+0x5e/0x80 [ 1480.304522][ T10] fib6_nh_init+0x3d8/0x1580 [ 1480.304522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1480.304522][ T10] ip6_route_add+0x1c/0x140 [ 1480.304522][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1480.304522][ T10] addrconf_add_dev+0xe2/0x170 [ 1480.304522][ T10] inet6_addr_add+0x12f/0xa40 [ 1480.304522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.304522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.304522][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.304522][ T10] netlink_unicast+0x449/0x710 [ 1480.304522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.304522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.304522][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.304522][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.304522][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.304522][ T10] [ 1480.306565][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1480.306565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1480.306565][ T10] ipv6_find_idev+0x102/0x170 [ 1480.306565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.306565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.306565][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.306565][ T10] netlink_unicast+0x449/0x710 [ 1480.306565][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.306565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.306565][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.306565][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.306565][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.306565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.306565][ T10] [ 1480.308115][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1480.308115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1480.308115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1480.308115][ T10] ipv6_find_idev+0x102/0x170 [ 1480.308115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.308115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.308115][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.308115][ T10] netlink_unicast+0x449/0x710 [ 1480.308115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.308115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.308115][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.308115][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.308115][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.308115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.308115][ T10] [ 1480.309835][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1480.310139][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1480.310139][ T10] netdev_get_by_index+0x5e/0x80 [ 1480.310139][ T10] fib6_nh_init+0x3d8/0x1580 [ 1480.310139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1480.310139][ T10] ip6_route_add+0x1c/0x140 [ 1480.310139][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1480.310139][ T10] inet6_addr_add+0x4f8/0xa40 [ 1480.310139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.310139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.310139][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.310139][ T10] netlink_unicast+0x449/0x710 [ 1480.310139][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.310139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.310139][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.310139][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.310139][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.310139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.310139][ T10] [ 1480.312161][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1480.312161][ T10] netdev_get_by_index+0x5e/0x80 [ 1480.312161][ T10] fib6_nh_init+0x3d8/0x1580 [ 1480.312161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1480.312161][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1480.312161][ T10] ipv6_add_addr+0x411/0x2000 [ 1480.312161][ T10] inet6_addr_add+0x30e/0xa40 [ 1480.312161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.312161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.312161][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.312161][ T10] netlink_unicast+0x449/0x710 [ 1480.312161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.312161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.312161][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.312161][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.312161][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.312161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.312161][ T10] [ 1480.314325][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1480.314325][ T10] netdev_get_by_index+0x5e/0x80 [ 1480.314325][ T10] fib6_nh_init+0x3d8/0x1580 [ 1480.314325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1480.314325][ T10] ip6_route_add+0x1c/0x140 [ 1480.314325][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1480.314325][ T10] addrconf_add_dev+0xe2/0x170 [ 1480.314325][ T10] inet6_addr_add+0x12f/0xa40 [ 1480.314325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1480.314325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.314325][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.314325][ T10] netlink_unicast+0x449/0x710 [ 1480.314325][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.314325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.314325][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.314325][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.314325][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.314325][ T10] [ 1480.316307][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1480.316307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1480.316307][ T10] ipv6_find_idev+0x102/0x170 [ 1480.316307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.316307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.316307][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.316307][ T10] netlink_unicast+0x449/0x710 [ 1480.316307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.316307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.316307][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.316307][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.316307][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.316307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.316307][ T10] [ 1480.317853][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1480.317853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1480.317853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1480.317853][ T10] ipv6_find_idev+0x102/0x170 [ 1480.317853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1480.317853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.317853][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.317853][ T10] netlink_unicast+0x449/0x710 [ 1480.317853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.317853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.317853][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.317853][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.317853][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.317853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.317853][ T10] [ 1480.319554][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1480.319796][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1480.319796][ T10] vlan_dev_init+0x97c/0xdd0 [ 1480.319796][ T10] register_netdevice+0x4d3/0x1690 [ 1480.319796][ T10] register_vlan_dev+0x162/0x4a0 [ 1480.319796][ T10] vlan_newlink+0x393/0x610 [ 1480.319796][ T10] rtnl_newlink_create+0x341/0x850 [ 1480.319796][ T10] __rtnl_newlink+0xac9/0xd80 [ 1480.319796][ T10] rtnl_newlink+0x63/0xa0 [ 1480.319796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1480.319796][ T10] netlink_rcv_skb+0x130/0x360 [ 1480.319796][ T10] netlink_unicast+0x449/0x710 [ 1480.319796][ T10] netlink_sendmsg+0x723/0xbe0 [ 1480.319796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1480.319796][ T10] ___sys_sendmsg+0xee/0x170 [ 1480.319796][ T10] __sys_sendmsg+0xcd/0x170 [ 1480.319796][ T10] do_syscall_64+0xc6/0x1e0 [ 1480.319796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1480.319796][ T10] [ 1490.564018][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1490.564400][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1490.564400][ T10] netdev_get_by_index+0x5e/0x80 [ 1490.564400][ T10] fib6_nh_init+0x3d8/0x1580 [ 1490.564400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1490.564400][ T10] ip6_route_add+0x1c/0x140 [ 1490.564400][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1490.564400][ T10] inet6_addr_add+0x4f8/0xa40 [ 1490.564400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.564400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.564400][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.564400][ T10] netlink_unicast+0x449/0x710 [ 1490.564400][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.564400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.564400][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.564400][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.564400][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.564400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.564400][ T10] [ 1490.566421][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1490.566421][ T10] netdev_get_by_index+0x5e/0x80 [ 1490.566421][ T10] fib6_nh_init+0x3d8/0x1580 [ 1490.566421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1490.566421][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1490.566421][ T10] ipv6_add_addr+0x411/0x2000 [ 1490.566421][ T10] inet6_addr_add+0x30e/0xa40 [ 1490.566421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.566421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.566421][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.566421][ T10] netlink_unicast+0x449/0x710 [ 1490.566421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.566421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.566421][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.566421][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.566421][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.566421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.566421][ T10] [ 1490.568412][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1490.568412][ T10] netdev_get_by_index+0x5e/0x80 [ 1490.568412][ T10] fib6_nh_init+0x3d8/0x1580 [ 1490.568412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1490.568412][ T10] ip6_route_add+0x1c/0x140 [ 1490.568412][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1490.568412][ T10] addrconf_add_dev+0xe2/0x170 [ 1490.568412][ T10] inet6_addr_add+0x12f/0xa40 [ 1490.568412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.568412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.568412][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.568412][ T10] netlink_unicast+0x449/0x710 [ 1490.568412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.568412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.568412][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.568412][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.568412][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.568412][ T10] [ 1490.570375][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1490.570375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1490.570375][ T10] ipv6_find_idev+0x102/0x170 [ 1490.570375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.570375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.570375][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.570375][ T10] netlink_unicast+0x449/0x710 [ 1490.570375][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.570375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.570375][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.570375][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.570375][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.570375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.570375][ T10] [ 1490.571909][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1490.571909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1490.571909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1490.571909][ T10] ipv6_find_idev+0x102/0x170 [ 1490.571909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.571909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.571909][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.571909][ T10] netlink_unicast+0x449/0x710 [ 1490.571909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.571909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.571909][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.571909][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.571909][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.571909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.571909][ T10] [ 1490.573590][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1490.573862][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1490.573862][ T10] netdev_get_by_index+0x5e/0x80 [ 1490.573862][ T10] fib6_nh_init+0x3d8/0x1580 [ 1490.573862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1490.573862][ T10] ip6_route_add+0x1c/0x140 [ 1490.573862][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1490.573862][ T10] inet6_addr_add+0x4f8/0xa40 [ 1490.573862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.573862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.573862][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.573862][ T10] netlink_unicast+0x449/0x710 [ 1490.573862][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.573862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.573862][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.573862][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.573862][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.573862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.573862][ T10] [ 1490.575865][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1490.575865][ T10] netdev_get_by_index+0x5e/0x80 [ 1490.575865][ T10] fib6_nh_init+0x3d8/0x1580 [ 1490.575865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1490.575865][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1490.575865][ T10] ipv6_add_addr+0x411/0x2000 [ 1490.575865][ T10] inet6_addr_add+0x30e/0xa40 [ 1490.575865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.575865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.575865][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.575865][ T10] netlink_unicast+0x449/0x710 [ 1490.575865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.575865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.575865][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.575865][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.575865][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.575865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.575865][ T10] [ 1490.577963][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1490.577963][ T10] netdev_get_by_index+0x5e/0x80 [ 1490.577963][ T10] fib6_nh_init+0x3d8/0x1580 [ 1490.577963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1490.577963][ T10] ip6_route_add+0x1c/0x140 [ 1490.577963][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1490.577963][ T10] addrconf_add_dev+0xe2/0x170 [ 1490.577963][ T10] inet6_addr_add+0x12f/0xa40 [ 1490.577963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1490.577963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.577963][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.577963][ T10] netlink_unicast+0x449/0x710 [ 1490.577963][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.577963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.577963][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.577963][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.577963][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.577963][ T10] [ 1490.579917][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1490.579917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1490.579917][ T10] ipv6_find_idev+0x102/0x170 [ 1490.579917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.579917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.579917][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.579917][ T10] netlink_unicast+0x449/0x710 [ 1490.579917][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.579917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.579917][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.579917][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.579917][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.579917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.579917][ T10] [ 1490.581449][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1490.581449][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1490.581449][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1490.581449][ T10] ipv6_find_idev+0x102/0x170 [ 1490.581449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1490.581449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.581449][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.581449][ T10] netlink_unicast+0x449/0x710 [ 1490.581449][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.581449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.581449][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.581449][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.581449][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.581449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.581449][ T10] [ 1490.583509][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1490.583753][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1490.583753][ T10] vlan_dev_init+0x97c/0xdd0 [ 1490.583753][ T10] register_netdevice+0x4d3/0x1690 [ 1490.583753][ T10] register_vlan_dev+0x162/0x4a0 [ 1490.583753][ T10] vlan_newlink+0x393/0x610 [ 1490.583753][ T10] rtnl_newlink_create+0x341/0x850 [ 1490.583753][ T10] __rtnl_newlink+0xac9/0xd80 [ 1490.583753][ T10] rtnl_newlink+0x63/0xa0 [ 1490.583753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1490.583753][ T10] netlink_rcv_skb+0x130/0x360 [ 1490.583753][ T10] netlink_unicast+0x449/0x710 [ 1490.583753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1490.583753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1490.583753][ T10] ___sys_sendmsg+0xee/0x170 [ 1490.583753][ T10] __sys_sendmsg+0xcd/0x170 [ 1490.583753][ T10] do_syscall_64+0xc6/0x1e0 [ 1490.583753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1490.583753][ T10] [ 1500.828023][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1500.828470][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1500.828470][ T10] netdev_get_by_index+0x5e/0x80 [ 1500.828470][ T10] fib6_nh_init+0x3d8/0x1580 [ 1500.828470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1500.828470][ T10] ip6_route_add+0x1c/0x140 [ 1500.828470][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1500.828470][ T10] inet6_addr_add+0x4f8/0xa40 [ 1500.828470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.828470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.828470][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.828470][ T10] netlink_unicast+0x449/0x710 [ 1500.828470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.828470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.828470][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.828470][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.828470][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.828470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.828470][ T10] [ 1500.830489][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1500.830489][ T10] netdev_get_by_index+0x5e/0x80 [ 1500.830489][ T10] fib6_nh_init+0x3d8/0x1580 [ 1500.830489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1500.830489][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1500.830489][ T10] ipv6_add_addr+0x411/0x2000 [ 1500.830489][ T10] inet6_addr_add+0x30e/0xa40 [ 1500.830489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.830489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.830489][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.830489][ T10] netlink_unicast+0x449/0x710 [ 1500.830489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.830489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.830489][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.830489][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.830489][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.830489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.830489][ T10] [ 1500.832488][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1500.832488][ T10] netdev_get_by_index+0x5e/0x80 [ 1500.832488][ T10] fib6_nh_init+0x3d8/0x1580 [ 1500.832488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1500.832488][ T10] ip6_route_add+0x1c/0x140 [ 1500.832488][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1500.832488][ T10] addrconf_add_dev+0xe2/0x170 [ 1500.832488][ T10] inet6_addr_add+0x12f/0xa40 [ 1500.832488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.832488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.832488][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.832488][ T10] netlink_unicast+0x449/0x710 [ 1500.832488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.832488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.832488][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.832488][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.832488][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.832488][ T10] [ 1500.834448][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1500.834448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1500.834448][ T10] ipv6_find_idev+0x102/0x170 [ 1500.834448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.834448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.834448][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.834448][ T10] netlink_unicast+0x449/0x710 [ 1500.834448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.834448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.834448][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.834448][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.834448][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.834448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.834448][ T10] [ 1500.835987][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1500.835987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1500.835987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1500.835987][ T10] ipv6_find_idev+0x102/0x170 [ 1500.835987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.835987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.835987][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.835987][ T10] netlink_unicast+0x449/0x710 [ 1500.835987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.835987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.835987][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.835987][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.835987][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.835987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.835987][ T10] [ 1500.837668][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1500.837960][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1500.837960][ T10] netdev_get_by_index+0x5e/0x80 [ 1500.837960][ T10] fib6_nh_init+0x3d8/0x1580 [ 1500.837960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1500.837960][ T10] ip6_route_add+0x1c/0x140 [ 1500.837960][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1500.837960][ T10] inet6_addr_add+0x4f8/0xa40 [ 1500.837960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.837960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.837960][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.837960][ T10] netlink_unicast+0x449/0x710 [ 1500.837960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.837960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.837960][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.837960][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.837960][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.837960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.837960][ T10] [ 1500.839959][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1500.839959][ T10] netdev_get_by_index+0x5e/0x80 [ 1500.839959][ T10] fib6_nh_init+0x3d8/0x1580 [ 1500.839959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1500.839959][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1500.839959][ T10] ipv6_add_addr+0x411/0x2000 [ 1500.839959][ T10] inet6_addr_add+0x30e/0xa40 [ 1500.839959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.839959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.839959][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.839959][ T10] netlink_unicast+0x449/0x710 [ 1500.839959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.839959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.839959][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.839959][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.839959][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.839959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.839959][ T10] [ 1500.841997][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1500.841997][ T10] netdev_get_by_index+0x5e/0x80 [ 1500.841997][ T10] fib6_nh_init+0x3d8/0x1580 [ 1500.841997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1500.841997][ T10] ip6_route_add+0x1c/0x140 [ 1500.841997][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1500.841997][ T10] addrconf_add_dev+0xe2/0x170 [ 1500.841997][ T10] inet6_addr_add+0x12f/0xa40 [ 1500.841997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1500.841997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.841997][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.841997][ T10] netlink_unicast+0x449/0x710 [ 1500.841997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.841997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.841997][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.841997][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.841997][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.841997][ T10] [ 1500.843966][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1500.843966][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1500.843966][ T10] ipv6_find_idev+0x102/0x170 [ 1500.843966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.843966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.843966][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.843966][ T10] netlink_unicast+0x449/0x710 [ 1500.843966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.843966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.843966][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.843966][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.843966][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.843966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.843966][ T10] [ 1500.845508][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1500.845508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1500.845508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1500.845508][ T10] ipv6_find_idev+0x102/0x170 [ 1500.845508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1500.845508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.845508][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.845508][ T10] netlink_unicast+0x449/0x710 [ 1500.845508][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.845508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.845508][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.845508][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.845508][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.845508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.845508][ T10] [ 1500.847187][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1500.847429][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1500.847429][ T10] vlan_dev_init+0x97c/0xdd0 [ 1500.847429][ T10] register_netdevice+0x4d3/0x1690 [ 1500.847429][ T10] register_vlan_dev+0x162/0x4a0 [ 1500.847429][ T10] vlan_newlink+0x393/0x610 [ 1500.847429][ T10] rtnl_newlink_create+0x341/0x850 [ 1500.847429][ T10] __rtnl_newlink+0xac9/0xd80 [ 1500.847429][ T10] rtnl_newlink+0x63/0xa0 [ 1500.847429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1500.847429][ T10] netlink_rcv_skb+0x130/0x360 [ 1500.847429][ T10] netlink_unicast+0x449/0x710 [ 1500.847429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1500.847429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1500.847429][ T10] ___sys_sendmsg+0xee/0x170 [ 1500.847429][ T10] __sys_sendmsg+0xcd/0x170 [ 1500.847429][ T10] do_syscall_64+0xc6/0x1e0 [ 1500.847429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1500.847429][ T10] [ 1511.091942][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1511.092387][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1511.092387][ T10] netdev_get_by_index+0x5e/0x80 [ 1511.092387][ T10] fib6_nh_init+0x3d8/0x1580 [ 1511.092387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1511.092387][ T10] ip6_route_add+0x1c/0x140 [ 1511.092387][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1511.092387][ T10] inet6_addr_add+0x4f8/0xa40 [ 1511.092387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.092387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.092387][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.092387][ T10] netlink_unicast+0x449/0x710 [ 1511.092387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.092387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.092387][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.092387][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.092387][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.092387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.092387][ T10] [ 1511.094422][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1511.094422][ T10] netdev_get_by_index+0x5e/0x80 [ 1511.094422][ T10] fib6_nh_init+0x3d8/0x1580 [ 1511.094422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1511.094422][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1511.094422][ T10] ipv6_add_addr+0x411/0x2000 [ 1511.094422][ T10] inet6_addr_add+0x30e/0xa40 [ 1511.094422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.094422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.094422][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.094422][ T10] netlink_unicast+0x449/0x710 [ 1511.094422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.094422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.094422][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.094422][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.094422][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.094422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.094422][ T10] [ 1511.096439][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1511.096439][ T10] netdev_get_by_index+0x5e/0x80 [ 1511.096439][ T10] fib6_nh_init+0x3d8/0x1580 [ 1511.096439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1511.096439][ T10] ip6_route_add+0x1c/0x140 [ 1511.096439][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1511.096439][ T10] addrconf_add_dev+0xe2/0x170 [ 1511.096439][ T10] inet6_addr_add+0x12f/0xa40 [ 1511.096439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.096439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.096439][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.096439][ T10] netlink_unicast+0x449/0x710 [ 1511.096439][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.096439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.096439][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.096439][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.096439][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.096439][ T10] [ 1511.098428][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1511.098428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1511.098428][ T10] ipv6_find_idev+0x102/0x170 [ 1511.098428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1511.098428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.098428][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.098428][ T10] netlink_unicast+0x449/0x710 [ 1511.098428][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.098428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.098428][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.098428][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.098428][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.098428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.098428][ T10] [ 1511.099970][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1511.099970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1511.099970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1511.099970][ T10] ipv6_find_idev+0x102/0x170 [ 1511.099970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1511.099970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.099970][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.099970][ T10] netlink_unicast+0x449/0x710 [ 1511.099970][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.099970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.099970][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.099970][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.099970][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.099970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.099970][ T10] [ 1511.101921][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1511.102193][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1511.102193][ T10] netdev_get_by_index+0x5e/0x80 [ 1511.102193][ T10] fib6_nh_init+0x3d8/0x1580 [ 1511.102193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1511.102193][ T10] ip6_route_add+0x1c/0x140 [ 1511.102193][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1511.102193][ T10] inet6_addr_add+0x4f8/0xa40 [ 1511.102193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.102193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.102193][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.102193][ T10] netlink_unicast+0x449/0x710 [ 1511.102193][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.102193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.102193][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.102193][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.102193][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.102193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.102193][ T10] [ 1511.104214][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1511.104214][ T10] netdev_get_by_index+0x5e/0x80 [ 1511.104214][ T10] fib6_nh_init+0x3d8/0x1580 [ 1511.104214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1511.104214][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1511.104214][ T10] ipv6_add_addr+0x411/0x2000 [ 1511.104214][ T10] inet6_addr_add+0x30e/0xa40 [ 1511.104214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.104214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.104214][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.104214][ T10] netlink_unicast+0x449/0x710 [ 1511.104214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.104214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.104214][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.104214][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.104214][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.104214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.104214][ T10] [ 1511.106613][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1511.106613][ T10] netdev_get_by_index+0x5e/0x80 [ 1511.106613][ T10] fib6_nh_init+0x3d8/0x1580 [ 1511.106613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1511.106613][ T10] ip6_route_add+0x1c/0x140 [ 1511.106613][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1511.106613][ T10] addrconf_add_dev+0xe2/0x170 [ 1511.106613][ T10] inet6_addr_add+0x12f/0xa40 [ 1511.106613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1511.106613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.106613][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.106613][ T10] netlink_unicast+0x449/0x710 [ 1511.106613][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.106613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.106613][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.106613][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.106613][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.106613][ T10] [ 1511.108587][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1511.108587][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1511.108587][ T10] ipv6_find_idev+0x102/0x170 [ 1511.108587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1511.108587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.108587][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.108587][ T10] netlink_unicast+0x449/0x710 [ 1511.108587][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.108587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.108587][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.108587][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.108587][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.108587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.108587][ T10] [ 1511.110133][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1511.110133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1511.110133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1511.110133][ T10] ipv6_find_idev+0x102/0x170 [ 1511.110133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1511.110133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.110133][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.110133][ T10] netlink_unicast+0x449/0x710 [ 1511.110133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.110133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.110133][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.110133][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.110133][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.110133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.110133][ T10] [ 1511.111845][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1511.112106][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1511.112106][ T10] vlan_dev_init+0x97c/0xdd0 [ 1511.112106][ T10] register_netdevice+0x4d3/0x1690 [ 1511.112106][ T10] register_vlan_dev+0x162/0x4a0 [ 1511.112106][ T10] vlan_newlink+0x393/0x610 [ 1511.112106][ T10] rtnl_newlink_create+0x341/0x850 [ 1511.112106][ T10] __rtnl_newlink+0xac9/0xd80 [ 1511.112106][ T10] rtnl_newlink+0x63/0xa0 [ 1511.112106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1511.112106][ T10] netlink_rcv_skb+0x130/0x360 [ 1511.112106][ T10] netlink_unicast+0x449/0x710 [ 1511.112106][ T10] netlink_sendmsg+0x723/0xbe0 [ 1511.112106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1511.112106][ T10] ___sys_sendmsg+0xee/0x170 [ 1511.112106][ T10] __sys_sendmsg+0xcd/0x170 [ 1511.112106][ T10] do_syscall_64+0xc6/0x1e0 [ 1511.112106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1511.112106][ T10] [ 1521.355933][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1521.356328][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1521.356328][ T10] netdev_get_by_index+0x5e/0x80 [ 1521.356328][ T10] fib6_nh_init+0x3d8/0x1580 [ 1521.356328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1521.356328][ T10] ip6_route_add+0x1c/0x140 [ 1521.356328][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1521.356328][ T10] inet6_addr_add+0x4f8/0xa40 [ 1521.356328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.356328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.356328][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.356328][ T10] netlink_unicast+0x449/0x710 [ 1521.356328][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.356328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.356328][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.356328][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.356328][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.356328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.356328][ T10] [ 1521.358356][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1521.358356][ T10] netdev_get_by_index+0x5e/0x80 [ 1521.358356][ T10] fib6_nh_init+0x3d8/0x1580 [ 1521.358356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1521.358356][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1521.358356][ T10] ipv6_add_addr+0x411/0x2000 [ 1521.358356][ T10] inet6_addr_add+0x30e/0xa40 [ 1521.358356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.358356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.358356][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.358356][ T10] netlink_unicast+0x449/0x710 [ 1521.358356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.358356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.358356][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.358356][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.358356][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.358356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.358356][ T10] [ 1521.360363][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1521.360363][ T10] netdev_get_by_index+0x5e/0x80 [ 1521.360363][ T10] fib6_nh_init+0x3d8/0x1580 [ 1521.360363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1521.360363][ T10] ip6_route_add+0x1c/0x140 [ 1521.360363][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1521.360363][ T10] addrconf_add_dev+0xe2/0x170 [ 1521.360363][ T10] inet6_addr_add+0x12f/0xa40 [ 1521.360363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.360363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.360363][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.360363][ T10] netlink_unicast+0x449/0x710 [ 1521.360363][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.360363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.360363][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.360363][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.360363][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.360363][ T10] [ 1521.362327][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1521.362327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1521.362327][ T10] ipv6_find_idev+0x102/0x170 [ 1521.362327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1521.362327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.362327][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.362327][ T10] netlink_unicast+0x449/0x710 [ 1521.362327][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.362327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.362327][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.362327][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.362327][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.362327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.362327][ T10] [ 1521.364018][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1521.364018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1521.364018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1521.364018][ T10] ipv6_find_idev+0x102/0x170 [ 1521.364018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1521.364018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.364018][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.364018][ T10] netlink_unicast+0x449/0x710 [ 1521.364018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.364018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.364018][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.364018][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.364018][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.364018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.364018][ T10] [ 1521.365724][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1521.366010][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1521.366010][ T10] netdev_get_by_index+0x5e/0x80 [ 1521.366010][ T10] fib6_nh_init+0x3d8/0x1580 [ 1521.366010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1521.366010][ T10] ip6_route_add+0x1c/0x140 [ 1521.366010][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1521.366010][ T10] inet6_addr_add+0x4f8/0xa40 [ 1521.366010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.366010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.366010][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.366010][ T10] netlink_unicast+0x449/0x710 [ 1521.366010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.366010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.366010][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.366010][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.366010][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.366010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.366010][ T10] [ 1521.368024][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1521.368024][ T10] netdev_get_by_index+0x5e/0x80 [ 1521.368024][ T10] fib6_nh_init+0x3d8/0x1580 [ 1521.368024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1521.368024][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1521.368024][ T10] ipv6_add_addr+0x411/0x2000 [ 1521.368024][ T10] inet6_addr_add+0x30e/0xa40 [ 1521.368024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.368024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.368024][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.368024][ T10] netlink_unicast+0x449/0x710 [ 1521.368024][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.368024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.368024][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.368024][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.368024][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.368024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.368024][ T10] [ 1521.370028][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1521.370028][ T10] netdev_get_by_index+0x5e/0x80 [ 1521.370028][ T10] fib6_nh_init+0x3d8/0x1580 [ 1521.370028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1521.370028][ T10] ip6_route_add+0x1c/0x140 [ 1521.370028][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1521.370028][ T10] addrconf_add_dev+0xe2/0x170 [ 1521.370028][ T10] inet6_addr_add+0x12f/0xa40 [ 1521.370028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1521.370028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.370028][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.370028][ T10] netlink_unicast+0x449/0x710 [ 1521.370028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.370028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.370028][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.370028][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.370028][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.370028][ T10] [ 1521.372015][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1521.372015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1521.372015][ T10] ipv6_find_idev+0x102/0x170 [ 1521.372015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1521.372015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.372015][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.372015][ T10] netlink_unicast+0x449/0x710 [ 1521.372015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.372015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.372015][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.372015][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.372015][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.372015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.372015][ T10] [ 1521.373558][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1521.373558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1521.373558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1521.373558][ T10] ipv6_find_idev+0x102/0x170 [ 1521.373558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1521.373558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.373558][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.373558][ T10] netlink_unicast+0x449/0x710 [ 1521.373558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.373558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.373558][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.373558][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.373558][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.373558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.373558][ T10] [ 1521.375275][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1521.375524][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1521.375524][ T10] vlan_dev_init+0x97c/0xdd0 [ 1521.375524][ T10] register_netdevice+0x4d3/0x1690 [ 1521.375524][ T10] register_vlan_dev+0x162/0x4a0 [ 1521.375524][ T10] vlan_newlink+0x393/0x610 [ 1521.375524][ T10] rtnl_newlink_create+0x341/0x850 [ 1521.375524][ T10] __rtnl_newlink+0xac9/0xd80 [ 1521.375524][ T10] rtnl_newlink+0x63/0xa0 [ 1521.375524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1521.375524][ T10] netlink_rcv_skb+0x130/0x360 [ 1521.375524][ T10] netlink_unicast+0x449/0x710 [ 1521.375524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1521.375524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1521.375524][ T10] ___sys_sendmsg+0xee/0x170 [ 1521.375524][ T10] __sys_sendmsg+0xcd/0x170 [ 1521.375524][ T10] do_syscall_64+0xc6/0x1e0 [ 1521.375524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1521.375524][ T10] [ 1531.619931][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1531.620328][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1531.620328][ T10] netdev_get_by_index+0x5e/0x80 [ 1531.620328][ T10] fib6_nh_init+0x3d8/0x1580 [ 1531.620328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1531.620328][ T10] ip6_route_add+0x1c/0x140 [ 1531.620328][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1531.620328][ T10] inet6_addr_add+0x4f8/0xa40 [ 1531.620328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.620328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.620328][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.620328][ T10] netlink_unicast+0x449/0x710 [ 1531.620328][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.620328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.620328][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.620328][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.620328][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.620328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.620328][ T10] [ 1531.622581][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1531.622581][ T10] netdev_get_by_index+0x5e/0x80 [ 1531.622581][ T10] fib6_nh_init+0x3d8/0x1580 [ 1531.622581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1531.622581][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1531.622581][ T10] ipv6_add_addr+0x411/0x2000 [ 1531.622581][ T10] inet6_addr_add+0x30e/0xa40 [ 1531.622581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.622581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.622581][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.622581][ T10] netlink_unicast+0x449/0x710 [ 1531.622581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.622581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.622581][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.622581][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.622581][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.622581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.622581][ T10] [ 1531.624577][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1531.624577][ T10] netdev_get_by_index+0x5e/0x80 [ 1531.624577][ T10] fib6_nh_init+0x3d8/0x1580 [ 1531.624577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1531.624577][ T10] ip6_route_add+0x1c/0x140 [ 1531.624577][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1531.624577][ T10] addrconf_add_dev+0xe2/0x170 [ 1531.624577][ T10] inet6_addr_add+0x12f/0xa40 [ 1531.624577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.624577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.624577][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.624577][ T10] netlink_unicast+0x449/0x710 [ 1531.624577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.624577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.624577][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.624577][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.624577][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.624577][ T10] [ 1531.626545][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1531.626545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1531.626545][ T10] ipv6_find_idev+0x102/0x170 [ 1531.626545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.626545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.626545][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.626545][ T10] netlink_unicast+0x449/0x710 [ 1531.626545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.626545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.626545][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.626545][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.626545][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.626545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.626545][ T10] [ 1531.628079][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1531.628079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1531.628079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1531.628079][ T10] ipv6_find_idev+0x102/0x170 [ 1531.628079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.628079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.628079][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.628079][ T10] netlink_unicast+0x449/0x710 [ 1531.628079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.628079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.628079][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.628079][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.628079][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.628079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.628079][ T10] [ 1531.629766][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1531.630046][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1531.630046][ T10] netdev_get_by_index+0x5e/0x80 [ 1531.630046][ T10] fib6_nh_init+0x3d8/0x1580 [ 1531.630046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1531.630046][ T10] ip6_route_add+0x1c/0x140 [ 1531.630046][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1531.630046][ T10] inet6_addr_add+0x4f8/0xa40 [ 1531.630046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.630046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.630046][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.630046][ T10] netlink_unicast+0x449/0x710 [ 1531.630046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.630046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.630046][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.630046][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.630046][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.630046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.630046][ T10] [ 1531.632034][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1531.632034][ T10] netdev_get_by_index+0x5e/0x80 [ 1531.632034][ T10] fib6_nh_init+0x3d8/0x1580 [ 1531.632034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1531.632034][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1531.632034][ T10] ipv6_add_addr+0x411/0x2000 [ 1531.632034][ T10] inet6_addr_add+0x30e/0xa40 [ 1531.632034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.632034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.632034][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.632034][ T10] netlink_unicast+0x449/0x710 [ 1531.632034][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.632034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.632034][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.632034][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.632034][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.632034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.632034][ T10] [ 1531.634049][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1531.634049][ T10] netdev_get_by_index+0x5e/0x80 [ 1531.634049][ T10] fib6_nh_init+0x3d8/0x1580 [ 1531.634049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1531.634049][ T10] ip6_route_add+0x1c/0x140 [ 1531.634049][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1531.634049][ T10] addrconf_add_dev+0xe2/0x170 [ 1531.634049][ T10] inet6_addr_add+0x12f/0xa40 [ 1531.634049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1531.634049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.634049][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.634049][ T10] netlink_unicast+0x449/0x710 [ 1531.634049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.634049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.634049][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.634049][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.634049][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.634049][ T10] [ 1531.636016][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1531.636016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1531.636016][ T10] ipv6_find_idev+0x102/0x170 [ 1531.636016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.636016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.636016][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.636016][ T10] netlink_unicast+0x449/0x710 [ 1531.636016][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.636016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.636016][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.636016][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.636016][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.636016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.636016][ T10] [ 1531.637551][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1531.637551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1531.637551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1531.637551][ T10] ipv6_find_idev+0x102/0x170 [ 1531.637551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1531.637551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.637551][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.637551][ T10] netlink_unicast+0x449/0x710 [ 1531.637551][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.637551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.637551][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.637551][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.637551][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.637551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.637551][ T10] [ 1531.639621][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1531.639860][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1531.639860][ T10] vlan_dev_init+0x97c/0xdd0 [ 1531.639860][ T10] register_netdevice+0x4d3/0x1690 [ 1531.639860][ T10] register_vlan_dev+0x162/0x4a0 [ 1531.639860][ T10] vlan_newlink+0x393/0x610 [ 1531.639860][ T10] rtnl_newlink_create+0x341/0x850 [ 1531.639860][ T10] __rtnl_newlink+0xac9/0xd80 [ 1531.639860][ T10] rtnl_newlink+0x63/0xa0 [ 1531.639860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1531.639860][ T10] netlink_rcv_skb+0x130/0x360 [ 1531.639860][ T10] netlink_unicast+0x449/0x710 [ 1531.639860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1531.639860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1531.639860][ T10] ___sys_sendmsg+0xee/0x170 [ 1531.639860][ T10] __sys_sendmsg+0xcd/0x170 [ 1531.639860][ T10] do_syscall_64+0xc6/0x1e0 [ 1531.639860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1531.639860][ T10] [ 1541.883927][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1541.884376][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1541.884376][ T10] netdev_get_by_index+0x5e/0x80 [ 1541.884376][ T10] fib6_nh_init+0x3d8/0x1580 [ 1541.884376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1541.884376][ T10] ip6_route_add+0x1c/0x140 [ 1541.884376][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1541.884376][ T10] inet6_addr_add+0x4f8/0xa40 [ 1541.884376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.884376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.884376][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.884376][ T10] netlink_unicast+0x449/0x710 [ 1541.884376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.884376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.884376][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.884376][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.884376][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.884376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.884376][ T10] [ 1541.886628][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1541.886628][ T10] netdev_get_by_index+0x5e/0x80 [ 1541.886628][ T10] fib6_nh_init+0x3d8/0x1580 [ 1541.886628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1541.886628][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1541.886628][ T10] ipv6_add_addr+0x411/0x2000 [ 1541.886628][ T10] inet6_addr_add+0x30e/0xa40 [ 1541.886628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.886628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.886628][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.886628][ T10] netlink_unicast+0x449/0x710 [ 1541.886628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.886628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.886628][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.886628][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.886628][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.886628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.886628][ T10] [ 1541.888665][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1541.888665][ T10] netdev_get_by_index+0x5e/0x80 [ 1541.888665][ T10] fib6_nh_init+0x3d8/0x1580 [ 1541.888665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1541.888665][ T10] ip6_route_add+0x1c/0x140 [ 1541.888665][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1541.888665][ T10] addrconf_add_dev+0xe2/0x170 [ 1541.888665][ T10] inet6_addr_add+0x12f/0xa40 [ 1541.888665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.888665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.888665][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.888665][ T10] netlink_unicast+0x449/0x710 [ 1541.888665][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.888665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.888665][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.888665][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.888665][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.888665][ T10] [ 1541.890658][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1541.890658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1541.890658][ T10] ipv6_find_idev+0x102/0x170 [ 1541.890658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.890658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.890658][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.890658][ T10] netlink_unicast+0x449/0x710 [ 1541.890658][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.890658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.890658][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.890658][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.890658][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.890658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.890658][ T10] [ 1541.892222][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1541.892222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1541.892222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1541.892222][ T10] ipv6_find_idev+0x102/0x170 [ 1541.892222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.892222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.892222][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.892222][ T10] netlink_unicast+0x449/0x710 [ 1541.892222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.892222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.892222][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.892222][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.892222][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.892222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.892222][ T10] [ 1541.893944][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1541.894233][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1541.894233][ T10] netdev_get_by_index+0x5e/0x80 [ 1541.894233][ T10] fib6_nh_init+0x3d8/0x1580 [ 1541.894233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1541.894233][ T10] ip6_route_add+0x1c/0x140 [ 1541.894233][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1541.894233][ T10] inet6_addr_add+0x4f8/0xa40 [ 1541.894233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.894233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.894233][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.894233][ T10] netlink_unicast+0x449/0x710 [ 1541.894233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.894233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.894233][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.894233][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.894233][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.894233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.894233][ T10] [ 1541.896271][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1541.896271][ T10] netdev_get_by_index+0x5e/0x80 [ 1541.896271][ T10] fib6_nh_init+0x3d8/0x1580 [ 1541.896271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1541.896271][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1541.896271][ T10] ipv6_add_addr+0x411/0x2000 [ 1541.896271][ T10] inet6_addr_add+0x30e/0xa40 [ 1541.896271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.896271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.896271][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.896271][ T10] netlink_unicast+0x449/0x710 [ 1541.896271][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.896271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.896271][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.896271][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.896271][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.896271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.896271][ T10] [ 1541.898295][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1541.898295][ T10] netdev_get_by_index+0x5e/0x80 [ 1541.898295][ T10] fib6_nh_init+0x3d8/0x1580 [ 1541.898295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1541.898295][ T10] ip6_route_add+0x1c/0x140 [ 1541.898295][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1541.898295][ T10] addrconf_add_dev+0xe2/0x170 [ 1541.898295][ T10] inet6_addr_add+0x12f/0xa40 [ 1541.898295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1541.898295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.898295][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.898295][ T10] netlink_unicast+0x449/0x710 [ 1541.898295][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.898295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.898295][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.898295][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.898295][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.898295][ T10] [ 1541.900283][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1541.900283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1541.900283][ T10] ipv6_find_idev+0x102/0x170 [ 1541.900283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.900283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.900283][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.900283][ T10] netlink_unicast+0x449/0x710 [ 1541.900283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.900283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.900283][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.900283][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.900283][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.900283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.900283][ T10] [ 1541.901853][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1541.901853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1541.901853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1541.901853][ T10] ipv6_find_idev+0x102/0x170 [ 1541.901853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1541.901853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.901853][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.901853][ T10] netlink_unicast+0x449/0x710 [ 1541.901853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.901853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.901853][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.901853][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.901853][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.901853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.901853][ T10] [ 1541.903558][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1541.903809][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1541.903809][ T10] vlan_dev_init+0x97c/0xdd0 [ 1541.903809][ T10] register_netdevice+0x4d3/0x1690 [ 1541.903809][ T10] register_vlan_dev+0x162/0x4a0 [ 1541.903809][ T10] vlan_newlink+0x393/0x610 [ 1541.903809][ T10] rtnl_newlink_create+0x341/0x850 [ 1541.903809][ T10] __rtnl_newlink+0xac9/0xd80 [ 1541.903809][ T10] rtnl_newlink+0x63/0xa0 [ 1541.903809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1541.903809][ T10] netlink_rcv_skb+0x130/0x360 [ 1541.903809][ T10] netlink_unicast+0x449/0x710 [ 1541.903809][ T10] netlink_sendmsg+0x723/0xbe0 [ 1541.903809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1541.903809][ T10] ___sys_sendmsg+0xee/0x170 [ 1541.903809][ T10] __sys_sendmsg+0xcd/0x170 [ 1541.903809][ T10] do_syscall_64+0xc6/0x1e0 [ 1541.903809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1541.903809][ T10] [ 1551.963924][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1551.964386][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1551.964386][ T10] netdev_get_by_index+0x5e/0x80 [ 1551.964386][ T10] fib6_nh_init+0x3d8/0x1580 [ 1551.964386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1551.964386][ T10] ip6_route_add+0x1c/0x140 [ 1551.964386][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1551.964386][ T10] inet6_addr_add+0x4f8/0xa40 [ 1551.964386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.964386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.964386][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.964386][ T10] netlink_unicast+0x449/0x710 [ 1551.964386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.964386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.964386][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.964386][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.964386][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.964386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.964386][ T10] [ 1551.966449][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1551.966449][ T10] netdev_get_by_index+0x5e/0x80 [ 1551.966449][ T10] fib6_nh_init+0x3d8/0x1580 [ 1551.966449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1551.966449][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1551.966449][ T10] ipv6_add_addr+0x411/0x2000 [ 1551.966449][ T10] inet6_addr_add+0x30e/0xa40 [ 1551.966449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.966449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.966449][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.966449][ T10] netlink_unicast+0x449/0x710 [ 1551.966449][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.966449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.966449][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.966449][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.966449][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.966449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.966449][ T10] [ 1551.968480][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1551.968480][ T10] netdev_get_by_index+0x5e/0x80 [ 1551.968480][ T10] fib6_nh_init+0x3d8/0x1580 [ 1551.968480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1551.968480][ T10] ip6_route_add+0x1c/0x140 [ 1551.968480][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1551.968480][ T10] addrconf_add_dev+0xe2/0x170 [ 1551.968480][ T10] inet6_addr_add+0x12f/0xa40 [ 1551.968480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.968480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.968480][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.968480][ T10] netlink_unicast+0x449/0x710 [ 1551.968480][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.968480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.968480][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.968480][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.968480][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.968480][ T10] [ 1551.970485][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1551.970485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1551.970485][ T10] ipv6_find_idev+0x102/0x170 [ 1551.970485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.970485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.970485][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.970485][ T10] netlink_unicast+0x449/0x710 [ 1551.970485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.970485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.970485][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.970485][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.970485][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.970485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.970485][ T10] [ 1551.972046][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1551.972046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1551.972046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1551.972046][ T10] ipv6_find_idev+0x102/0x170 [ 1551.972046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.972046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.972046][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.972046][ T10] netlink_unicast+0x449/0x710 [ 1551.972046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.972046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.972046][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.972046][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.972046][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.972046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.972046][ T10] [ 1551.973777][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1551.974069][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1551.974069][ T10] netdev_get_by_index+0x5e/0x80 [ 1551.974069][ T10] fib6_nh_init+0x3d8/0x1580 [ 1551.974069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1551.974069][ T10] ip6_route_add+0x1c/0x140 [ 1551.974069][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1551.974069][ T10] inet6_addr_add+0x4f8/0xa40 [ 1551.974069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.974069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.974069][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.974069][ T10] netlink_unicast+0x449/0x710 [ 1551.974069][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.974069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.974069][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.974069][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.974069][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.974069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.974069][ T10] [ 1551.976112][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1551.976112][ T10] netdev_get_by_index+0x5e/0x80 [ 1551.976112][ T10] fib6_nh_init+0x3d8/0x1580 [ 1551.976112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1551.976112][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1551.976112][ T10] ipv6_add_addr+0x411/0x2000 [ 1551.976112][ T10] inet6_addr_add+0x30e/0xa40 [ 1551.976112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.976112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.976112][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.976112][ T10] netlink_unicast+0x449/0x710 [ 1551.976112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.976112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.976112][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.976112][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.976112][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.976112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.976112][ T10] [ 1551.978141][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1551.978141][ T10] netdev_get_by_index+0x5e/0x80 [ 1551.978141][ T10] fib6_nh_init+0x3d8/0x1580 [ 1551.978141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1551.978141][ T10] ip6_route_add+0x1c/0x140 [ 1551.978141][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1551.978141][ T10] addrconf_add_dev+0xe2/0x170 [ 1551.978141][ T10] inet6_addr_add+0x12f/0xa40 [ 1551.978141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1551.978141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.978141][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.978141][ T10] netlink_unicast+0x449/0x710 [ 1551.978141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.978141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.978141][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.978141][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.978141][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.978141][ T10] [ 1551.980139][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1551.980139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1551.980139][ T10] ipv6_find_idev+0x102/0x170 [ 1551.980139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.980139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.980139][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.980139][ T10] netlink_unicast+0x449/0x710 [ 1551.980139][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.980139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.980139][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.980139][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.980139][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.980139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.980139][ T10] [ 1551.981700][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1551.981700][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1551.981700][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1551.981700][ T10] ipv6_find_idev+0x102/0x170 [ 1551.981700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1551.981700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.981700][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.981700][ T10] netlink_unicast+0x449/0x710 [ 1551.981700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.981700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.981700][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.981700][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.981700][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.981700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.981700][ T10] [ 1551.983428][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1551.983675][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1551.983675][ T10] vlan_dev_init+0x97c/0xdd0 [ 1551.983675][ T10] register_netdevice+0x4d3/0x1690 [ 1551.983675][ T10] register_vlan_dev+0x162/0x4a0 [ 1551.983675][ T10] vlan_newlink+0x393/0x610 [ 1551.983675][ T10] rtnl_newlink_create+0x341/0x850 [ 1551.983675][ T10] __rtnl_newlink+0xac9/0xd80 [ 1551.983675][ T10] rtnl_newlink+0x63/0xa0 [ 1551.983675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1551.983675][ T10] netlink_rcv_skb+0x130/0x360 [ 1551.983675][ T10] netlink_unicast+0x449/0x710 [ 1551.983675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1551.983675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1551.983675][ T10] ___sys_sendmsg+0xee/0x170 [ 1551.983675][ T10] __sys_sendmsg+0xcd/0x170 [ 1551.983675][ T10] do_syscall_64+0xc6/0x1e0 [ 1551.983675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1551.983675][ T10] [ 1562.227933][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1562.228434][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1562.228434][ T10] netdev_get_by_index+0x5e/0x80 [ 1562.228434][ T10] fib6_nh_init+0x3d8/0x1580 [ 1562.228434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1562.228434][ T10] ip6_route_add+0x1c/0x140 [ 1562.228434][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1562.228434][ T10] inet6_addr_add+0x4f8/0xa40 [ 1562.228434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.228434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.228434][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.228434][ T10] netlink_unicast+0x449/0x710 [ 1562.228434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.228434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.228434][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.228434][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.228434][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.228434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.228434][ T10] [ 1562.230490][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1562.230490][ T10] netdev_get_by_index+0x5e/0x80 [ 1562.230490][ T10] fib6_nh_init+0x3d8/0x1580 [ 1562.230490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1562.230490][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1562.230490][ T10] ipv6_add_addr+0x411/0x2000 [ 1562.230490][ T10] inet6_addr_add+0x30e/0xa40 [ 1562.230490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.230490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.230490][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.230490][ T10] netlink_unicast+0x449/0x710 [ 1562.230490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.230490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.230490][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.230490][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.230490][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.230490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.230490][ T10] [ 1562.232518][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1562.232518][ T10] netdev_get_by_index+0x5e/0x80 [ 1562.232518][ T10] fib6_nh_init+0x3d8/0x1580 [ 1562.232518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1562.232518][ T10] ip6_route_add+0x1c/0x140 [ 1562.232518][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1562.232518][ T10] addrconf_add_dev+0xe2/0x170 [ 1562.232518][ T10] inet6_addr_add+0x12f/0xa40 [ 1562.232518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.232518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.232518][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.232518][ T10] netlink_unicast+0x449/0x710 [ 1562.232518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.232518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.232518][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.232518][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.232518][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.232518][ T10] [ 1562.234512][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1562.234512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1562.234512][ T10] ipv6_find_idev+0x102/0x170 [ 1562.234512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1562.234512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.234512][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.234512][ T10] netlink_unicast+0x449/0x710 [ 1562.234512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.234512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.234512][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.234512][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.234512][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.234512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.234512][ T10] [ 1562.236079][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1562.236079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1562.236079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1562.236079][ T10] ipv6_find_idev+0x102/0x170 [ 1562.236079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1562.236079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.236079][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.236079][ T10] netlink_unicast+0x449/0x710 [ 1562.236079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.236079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.236079][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.236079][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.236079][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.236079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.236079][ T10] [ 1562.237805][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1562.238101][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1562.238101][ T10] netdev_get_by_index+0x5e/0x80 [ 1562.238101][ T10] fib6_nh_init+0x3d8/0x1580 [ 1562.238101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1562.238101][ T10] ip6_route_add+0x1c/0x140 [ 1562.238101][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1562.238101][ T10] inet6_addr_add+0x4f8/0xa40 [ 1562.238101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.238101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.238101][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.238101][ T10] netlink_unicast+0x449/0x710 [ 1562.238101][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.238101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.238101][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.238101][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.238101][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.238101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.238101][ T10] [ 1562.240136][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1562.240136][ T10] netdev_get_by_index+0x5e/0x80 [ 1562.240136][ T10] fib6_nh_init+0x3d8/0x1580 [ 1562.240136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1562.240136][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1562.240136][ T10] ipv6_add_addr+0x411/0x2000 [ 1562.240136][ T10] inet6_addr_add+0x30e/0xa40 [ 1562.240136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.240136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.240136][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.240136][ T10] netlink_unicast+0x449/0x710 [ 1562.240136][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.240136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.240136][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.240136][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.240136][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.240136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.240136][ T10] [ 1562.242169][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1562.242169][ T10] netdev_get_by_index+0x5e/0x80 [ 1562.242169][ T10] fib6_nh_init+0x3d8/0x1580 [ 1562.242169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1562.242169][ T10] ip6_route_add+0x1c/0x140 [ 1562.242169][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1562.242169][ T10] addrconf_add_dev+0xe2/0x170 [ 1562.242169][ T10] inet6_addr_add+0x12f/0xa40 [ 1562.242169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1562.242169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.242169][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.242169][ T10] netlink_unicast+0x449/0x710 [ 1562.242169][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.242169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.242169][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.242169][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.242169][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.242169][ T10] [ 1562.244151][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1562.244151][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1562.244151][ T10] ipv6_find_idev+0x102/0x170 [ 1562.244151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1562.244151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.244151][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.244151][ T10] netlink_unicast+0x449/0x710 [ 1562.244151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.244151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.244151][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.244151][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.244151][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.244151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.244151][ T10] [ 1562.245721][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1562.245721][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1562.245721][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1562.245721][ T10] ipv6_find_idev+0x102/0x170 [ 1562.245721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1562.245721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.245721][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.245721][ T10] netlink_unicast+0x449/0x710 [ 1562.245721][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.245721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.245721][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.245721][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.245721][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.245721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.245721][ T10] [ 1562.247431][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1562.247683][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1562.247683][ T10] vlan_dev_init+0x97c/0xdd0 [ 1562.247683][ T10] register_netdevice+0x4d3/0x1690 [ 1562.247683][ T10] register_vlan_dev+0x162/0x4a0 [ 1562.247683][ T10] vlan_newlink+0x393/0x610 [ 1562.247683][ T10] rtnl_newlink_create+0x341/0x850 [ 1562.247683][ T10] __rtnl_newlink+0xac9/0xd80 [ 1562.247683][ T10] rtnl_newlink+0x63/0xa0 [ 1562.247683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1562.247683][ T10] netlink_rcv_skb+0x130/0x360 [ 1562.247683][ T10] netlink_unicast+0x449/0x710 [ 1562.247683][ T10] netlink_sendmsg+0x723/0xbe0 [ 1562.247683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1562.247683][ T10] ___sys_sendmsg+0xee/0x170 [ 1562.247683][ T10] __sys_sendmsg+0xcd/0x170 [ 1562.247683][ T10] do_syscall_64+0xc6/0x1e0 [ 1562.247683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1562.247683][ T10] [ 1572.492012][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1572.492470][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1572.492470][ T10] netdev_get_by_index+0x5e/0x80 [ 1572.492470][ T10] fib6_nh_init+0x3d8/0x1580 [ 1572.492470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1572.492470][ T10] ip6_route_add+0x1c/0x140 [ 1572.492470][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1572.492470][ T10] inet6_addr_add+0x4f8/0xa40 [ 1572.492470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.492470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.492470][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.492470][ T10] netlink_unicast+0x449/0x710 [ 1572.492470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.492470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.492470][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.492470][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.492470][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.492470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.492470][ T10] [ 1572.494517][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1572.494517][ T10] netdev_get_by_index+0x5e/0x80 [ 1572.494517][ T10] fib6_nh_init+0x3d8/0x1580 [ 1572.494517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1572.494517][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1572.494517][ T10] ipv6_add_addr+0x411/0x2000 [ 1572.494517][ T10] inet6_addr_add+0x30e/0xa40 [ 1572.494517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.494517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.494517][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.494517][ T10] netlink_unicast+0x449/0x710 [ 1572.494517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.494517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.494517][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.494517][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.494517][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.494517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.494517][ T10] [ 1572.496568][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1572.496568][ T10] netdev_get_by_index+0x5e/0x80 [ 1572.496568][ T10] fib6_nh_init+0x3d8/0x1580 [ 1572.496568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1572.496568][ T10] ip6_route_add+0x1c/0x140 [ 1572.496568][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1572.496568][ T10] addrconf_add_dev+0xe2/0x170 [ 1572.496568][ T10] inet6_addr_add+0x12f/0xa40 [ 1572.496568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.496568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.496568][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.496568][ T10] netlink_unicast+0x449/0x710 [ 1572.496568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.496568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.496568][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.496568][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.496568][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.496568][ T10] [ 1572.498572][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1572.498572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1572.498572][ T10] ipv6_find_idev+0x102/0x170 [ 1572.498572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1572.498572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.498572][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.498572][ T10] netlink_unicast+0x449/0x710 [ 1572.498572][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.498572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.498572][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.498572][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.498572][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.498572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.498572][ T10] [ 1572.500134][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1572.500134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1572.500134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1572.500134][ T10] ipv6_find_idev+0x102/0x170 [ 1572.500134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1572.500134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.500134][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.500134][ T10] netlink_unicast+0x449/0x710 [ 1572.500134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.500134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.500134][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.500134][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.500134][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.500134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.500134][ T10] [ 1572.501865][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1572.502173][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1572.502173][ T10] netdev_get_by_index+0x5e/0x80 [ 1572.502173][ T10] fib6_nh_init+0x3d8/0x1580 [ 1572.502173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1572.502173][ T10] ip6_route_add+0x1c/0x140 [ 1572.502173][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1572.502173][ T10] inet6_addr_add+0x4f8/0xa40 [ 1572.502173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.502173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.502173][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.502173][ T10] netlink_unicast+0x449/0x710 [ 1572.502173][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.502173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.502173][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.502173][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.502173][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.502173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.502173][ T10] [ 1572.504206][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1572.504206][ T10] netdev_get_by_index+0x5e/0x80 [ 1572.504206][ T10] fib6_nh_init+0x3d8/0x1580 [ 1572.504206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1572.504206][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1572.504206][ T10] ipv6_add_addr+0x411/0x2000 [ 1572.504206][ T10] inet6_addr_add+0x30e/0xa40 [ 1572.504206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.504206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.504206][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.504206][ T10] netlink_unicast+0x449/0x710 [ 1572.504206][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.504206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.504206][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.504206][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.504206][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.504206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.504206][ T10] [ 1572.506234][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1572.506234][ T10] netdev_get_by_index+0x5e/0x80 [ 1572.506234][ T10] fib6_nh_init+0x3d8/0x1580 [ 1572.506234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1572.506234][ T10] ip6_route_add+0x1c/0x140 [ 1572.506234][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1572.506234][ T10] addrconf_add_dev+0xe2/0x170 [ 1572.506234][ T10] inet6_addr_add+0x12f/0xa40 [ 1572.506234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1572.506234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.506234][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.506234][ T10] netlink_unicast+0x449/0x710 [ 1572.506234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.506234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.506234][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.506234][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.506234][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.506234][ T10] [ 1572.508232][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1572.508232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1572.508232][ T10] ipv6_find_idev+0x102/0x170 [ 1572.508232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1572.508232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.508232][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.508232][ T10] netlink_unicast+0x449/0x710 [ 1572.508232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.508232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.508232][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.508232][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.508232][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.508232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.508232][ T10] [ 1572.509781][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1572.509781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1572.509781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1572.509781][ T10] ipv6_find_idev+0x102/0x170 [ 1572.509781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1572.509781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.509781][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.509781][ T10] netlink_unicast+0x449/0x710 [ 1572.509781][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.509781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.509781][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.509781][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.509781][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.509781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.509781][ T10] [ 1572.511489][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1572.511738][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1572.511738][ T10] vlan_dev_init+0x97c/0xdd0 [ 1572.511738][ T10] register_netdevice+0x4d3/0x1690 [ 1572.511738][ T10] register_vlan_dev+0x162/0x4a0 [ 1572.511738][ T10] vlan_newlink+0x393/0x610 [ 1572.511738][ T10] rtnl_newlink_create+0x341/0x850 [ 1572.511738][ T10] __rtnl_newlink+0xac9/0xd80 [ 1572.511738][ T10] rtnl_newlink+0x63/0xa0 [ 1572.511738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1572.511738][ T10] netlink_rcv_skb+0x130/0x360 [ 1572.511738][ T10] netlink_unicast+0x449/0x710 [ 1572.511738][ T10] netlink_sendmsg+0x723/0xbe0 [ 1572.511738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1572.511738][ T10] ___sys_sendmsg+0xee/0x170 [ 1572.511738][ T10] __sys_sendmsg+0xcd/0x170 [ 1572.511738][ T10] do_syscall_64+0xc6/0x1e0 [ 1572.511738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1572.511738][ T10] [ 1582.755939][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1582.756439][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1582.756439][ T10] netdev_get_by_index+0x5e/0x80 [ 1582.756439][ T10] fib6_nh_init+0x3d8/0x1580 [ 1582.756439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1582.756439][ T10] ip6_route_add+0x1c/0x140 [ 1582.756439][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1582.756439][ T10] inet6_addr_add+0x4f8/0xa40 [ 1582.756439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.756439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.756439][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.756439][ T10] netlink_unicast+0x449/0x710 [ 1582.756439][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.756439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.756439][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.756439][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.756439][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.756439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.756439][ T10] [ 1582.758499][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1582.758499][ T10] netdev_get_by_index+0x5e/0x80 [ 1582.758499][ T10] fib6_nh_init+0x3d8/0x1580 [ 1582.758499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1582.758499][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1582.758499][ T10] ipv6_add_addr+0x411/0x2000 [ 1582.758499][ T10] inet6_addr_add+0x30e/0xa40 [ 1582.758499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.758499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.758499][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.758499][ T10] netlink_unicast+0x449/0x710 [ 1582.758499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.758499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.758499][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.758499][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.758499][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.758499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.758499][ T10] [ 1582.760544][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1582.760544][ T10] netdev_get_by_index+0x5e/0x80 [ 1582.760544][ T10] fib6_nh_init+0x3d8/0x1580 [ 1582.760544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1582.760544][ T10] ip6_route_add+0x1c/0x140 [ 1582.760544][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1582.760544][ T10] addrconf_add_dev+0xe2/0x170 [ 1582.760544][ T10] inet6_addr_add+0x12f/0xa40 [ 1582.760544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.760544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.760544][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.760544][ T10] netlink_unicast+0x449/0x710 [ 1582.760544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.760544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.760544][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.760544][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.760544][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.760544][ T10] [ 1582.762538][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1582.762538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1582.762538][ T10] ipv6_find_idev+0x102/0x170 [ 1582.762538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.762538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.762538][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.762538][ T10] netlink_unicast+0x449/0x710 [ 1582.762538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.762538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.762538][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.762538][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.762538][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.762538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.762538][ T10] [ 1582.764099][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1582.764099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1582.764099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1582.764099][ T10] ipv6_find_idev+0x102/0x170 [ 1582.764099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.764099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.764099][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.764099][ T10] netlink_unicast+0x449/0x710 [ 1582.764099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.764099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.764099][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.764099][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.764099][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.764099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.764099][ T10] [ 1582.765837][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1582.766145][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1582.766145][ T10] netdev_get_by_index+0x5e/0x80 [ 1582.766145][ T10] fib6_nh_init+0x3d8/0x1580 [ 1582.766145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1582.766145][ T10] ip6_route_add+0x1c/0x140 [ 1582.766145][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1582.766145][ T10] inet6_addr_add+0x4f8/0xa40 [ 1582.766145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.766145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.766145][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.766145][ T10] netlink_unicast+0x449/0x710 [ 1582.766145][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.766145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.766145][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.766145][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.766145][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.766145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.766145][ T10] [ 1582.768174][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1582.768174][ T10] netdev_get_by_index+0x5e/0x80 [ 1582.768174][ T10] fib6_nh_init+0x3d8/0x1580 [ 1582.768174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1582.768174][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1582.768174][ T10] ipv6_add_addr+0x411/0x2000 [ 1582.768174][ T10] inet6_addr_add+0x30e/0xa40 [ 1582.768174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.768174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.768174][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.768174][ T10] netlink_unicast+0x449/0x710 [ 1582.768174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.768174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.768174][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.768174][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.768174][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.768174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.768174][ T10] [ 1582.770198][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1582.770198][ T10] netdev_get_by_index+0x5e/0x80 [ 1582.770198][ T10] fib6_nh_init+0x3d8/0x1580 [ 1582.770198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1582.770198][ T10] ip6_route_add+0x1c/0x140 [ 1582.770198][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1582.770198][ T10] addrconf_add_dev+0xe2/0x170 [ 1582.770198][ T10] inet6_addr_add+0x12f/0xa40 [ 1582.770198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1582.770198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.770198][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.770198][ T10] netlink_unicast+0x449/0x710 [ 1582.770198][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.770198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.770198][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.770198][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.770198][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.770198][ T10] [ 1582.772190][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1582.772190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1582.772190][ T10] ipv6_find_idev+0x102/0x170 [ 1582.772190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.772190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.772190][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.772190][ T10] netlink_unicast+0x449/0x710 [ 1582.772190][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.772190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.772190][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.772190][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.772190][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.772190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.772190][ T10] [ 1582.773743][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1582.773743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1582.773743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1582.773743][ T10] ipv6_find_idev+0x102/0x170 [ 1582.773743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1582.773743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.773743][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.773743][ T10] netlink_unicast+0x449/0x710 [ 1582.773743][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.773743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.773743][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.773743][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.773743][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.773743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.773743][ T10] [ 1582.775462][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1582.775718][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1582.775718][ T10] vlan_dev_init+0x97c/0xdd0 [ 1582.775718][ T10] register_netdevice+0x4d3/0x1690 [ 1582.775718][ T10] register_vlan_dev+0x162/0x4a0 [ 1582.775718][ T10] vlan_newlink+0x393/0x610 [ 1582.775718][ T10] rtnl_newlink_create+0x341/0x850 [ 1582.775718][ T10] __rtnl_newlink+0xac9/0xd80 [ 1582.775718][ T10] rtnl_newlink+0x63/0xa0 [ 1582.775718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1582.775718][ T10] netlink_rcv_skb+0x130/0x360 [ 1582.775718][ T10] netlink_unicast+0x449/0x710 [ 1582.775718][ T10] netlink_sendmsg+0x723/0xbe0 [ 1582.775718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1582.775718][ T10] ___sys_sendmsg+0xee/0x170 [ 1582.775718][ T10] __sys_sendmsg+0xcd/0x170 [ 1582.775718][ T10] do_syscall_64+0xc6/0x1e0 [ 1582.775718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1582.775718][ T10] [ 1593.020017][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1593.020450][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1593.020450][ T10] netdev_get_by_index+0x5e/0x80 [ 1593.020450][ T10] fib6_nh_init+0x3d8/0x1580 [ 1593.020450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1593.020450][ T10] ip6_route_add+0x1c/0x140 [ 1593.020450][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1593.020450][ T10] inet6_addr_add+0x4f8/0xa40 [ 1593.020450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.020450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.020450][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.020450][ T10] netlink_unicast+0x449/0x710 [ 1593.020450][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.020450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.020450][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.020450][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.020450][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.020450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.020450][ T10] [ 1593.022515][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1593.022515][ T10] netdev_get_by_index+0x5e/0x80 [ 1593.022515][ T10] fib6_nh_init+0x3d8/0x1580 [ 1593.022515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1593.022515][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1593.022515][ T10] ipv6_add_addr+0x411/0x2000 [ 1593.022515][ T10] inet6_addr_add+0x30e/0xa40 [ 1593.022515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.022515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.022515][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.022515][ T10] netlink_unicast+0x449/0x710 [ 1593.022515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.022515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.022515][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.022515][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.022515][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.022515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.022515][ T10] [ 1593.024550][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1593.024550][ T10] netdev_get_by_index+0x5e/0x80 [ 1593.024550][ T10] fib6_nh_init+0x3d8/0x1580 [ 1593.024550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1593.024550][ T10] ip6_route_add+0x1c/0x140 [ 1593.024550][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1593.024550][ T10] addrconf_add_dev+0xe2/0x170 [ 1593.024550][ T10] inet6_addr_add+0x12f/0xa40 [ 1593.024550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.024550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.024550][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.024550][ T10] netlink_unicast+0x449/0x710 [ 1593.024550][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.024550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.024550][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.024550][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.024550][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.024550][ T10] [ 1593.026573][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1593.026573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1593.026573][ T10] ipv6_find_idev+0x102/0x170 [ 1593.026573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.026573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.026573][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.026573][ T10] netlink_unicast+0x449/0x710 [ 1593.026573][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.026573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.026573][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.026573][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.026573][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.026573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.026573][ T10] [ 1593.028140][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1593.028140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1593.028140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1593.028140][ T10] ipv6_find_idev+0x102/0x170 [ 1593.028140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.028140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.028140][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.028140][ T10] netlink_unicast+0x449/0x710 [ 1593.028140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.028140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.028140][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.028140][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.028140][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.028140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.028140][ T10] [ 1593.029899][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1593.030188][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1593.030188][ T10] netdev_get_by_index+0x5e/0x80 [ 1593.030188][ T10] fib6_nh_init+0x3d8/0x1580 [ 1593.030188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1593.030188][ T10] ip6_route_add+0x1c/0x140 [ 1593.030188][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1593.030188][ T10] inet6_addr_add+0x4f8/0xa40 [ 1593.030188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.030188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.030188][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.030188][ T10] netlink_unicast+0x449/0x710 [ 1593.030188][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.030188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.030188][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.030188][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.030188][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.030188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.030188][ T10] [ 1593.032217][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1593.032217][ T10] netdev_get_by_index+0x5e/0x80 [ 1593.032217][ T10] fib6_nh_init+0x3d8/0x1580 [ 1593.032217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1593.032217][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1593.032217][ T10] ipv6_add_addr+0x411/0x2000 [ 1593.032217][ T10] inet6_addr_add+0x30e/0xa40 [ 1593.032217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.032217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.032217][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.032217][ T10] netlink_unicast+0x449/0x710 [ 1593.032217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.032217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.032217][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.032217][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.032217][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.032217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.032217][ T10] [ 1593.034252][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1593.034252][ T10] netdev_get_by_index+0x5e/0x80 [ 1593.034252][ T10] fib6_nh_init+0x3d8/0x1580 [ 1593.034252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1593.034252][ T10] ip6_route_add+0x1c/0x140 [ 1593.034252][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1593.034252][ T10] addrconf_add_dev+0xe2/0x170 [ 1593.034252][ T10] inet6_addr_add+0x12f/0xa40 [ 1593.034252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1593.034252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.034252][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.034252][ T10] netlink_unicast+0x449/0x710 [ 1593.034252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.034252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.034252][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.034252][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.034252][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.034252][ T10] [ 1593.036249][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1593.036249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1593.036249][ T10] ipv6_find_idev+0x102/0x170 [ 1593.036249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.036249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.036249][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.036249][ T10] netlink_unicast+0x449/0x710 [ 1593.036249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.036249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.036249][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.036249][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.036249][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.036249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.036249][ T10] [ 1593.037810][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1593.037810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1593.037810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1593.037810][ T10] ipv6_find_idev+0x102/0x170 [ 1593.037810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1593.037810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.037810][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.037810][ T10] netlink_unicast+0x449/0x710 [ 1593.037810][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.037810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.037810][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.037810][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.037810][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.037810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.037810][ T10] [ 1593.039521][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1593.039771][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1593.039771][ T10] vlan_dev_init+0x97c/0xdd0 [ 1593.039771][ T10] register_netdevice+0x4d3/0x1690 [ 1593.039771][ T10] register_vlan_dev+0x162/0x4a0 [ 1593.039771][ T10] vlan_newlink+0x393/0x610 [ 1593.039771][ T10] rtnl_newlink_create+0x341/0x850 [ 1593.039771][ T10] __rtnl_newlink+0xac9/0xd80 [ 1593.039771][ T10] rtnl_newlink+0x63/0xa0 [ 1593.039771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1593.039771][ T10] netlink_rcv_skb+0x130/0x360 [ 1593.039771][ T10] netlink_unicast+0x449/0x710 [ 1593.039771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1593.039771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1593.039771][ T10] ___sys_sendmsg+0xee/0x170 [ 1593.039771][ T10] __sys_sendmsg+0xcd/0x170 [ 1593.039771][ T10] do_syscall_64+0xc6/0x1e0 [ 1593.039771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1593.039771][ T10] [ 1598.764089][ T42] INFO: task modprobe:3829 blocked for more than 1105 seconds. [ 1598.764391][ T42] Not tainted 6.8.0-virtme #1 [ 1598.764521][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1598.764746][ T42] task:modprobe state:D stack:25648 pid:3829 tgid:3829 ppid:59 flags:0x00004002 [ 1598.765052][ T42] Call Trace: [ 1598.765155][ T42] [ 1598.765234][ T42] __schedule+0x705/0x1ac0 [ 1598.765383][ T42] ? __pfx___schedule+0x10/0x10 [ 1598.765521][ T42] ? schedule+0x1a5/0x210 [ 1598.765627][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1598.765768][ T42] ? mark_lock+0x38/0x3e0 [ 1598.765875][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1598.766027][ T42] ? schedule+0x1a5/0x210 [ 1598.766136][ T42] schedule+0xdf/0x210 [ 1598.766247][ T42] schedule_preempt_disabled+0x15/0x30 [ 1598.766381][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1598.766522][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1598.766687][ T42] ? kasan_save_stack+0x34/0x50 [ 1598.766827][ T42] ? kasan_save_stack+0x24/0x50 [ 1598.766974][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1598.767115][ T42] ? lock_acquire+0x1c1/0x220 [ 1598.767250][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1598.767395][ T42] down_write+0x1c9/0x200 [ 1598.767499][ T42] ? __pfx_down_write+0x10/0x10 [ 1598.767632][ T42] ? __pfx___lock_release+0x10/0x10 [ 1598.767774][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1598.767988][ T42] register_pernet_subsys+0x1a/0x50 [ 1598.768126][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1598.768323][ T42] do_one_initcall+0xc8/0x3f0 [ 1598.768459][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1598.768600][ T42] ? __create_object+0x5e/0xb0 [ 1598.768740][ T42] ? kasan_unpoison+0x27/0x60 [ 1598.768879][ T42] do_init_module+0x233/0x740 [ 1598.769038][ T42] load_module+0x16b5/0x2350 [ 1598.769187][ T42] ? __pfx_load_module+0x10/0x10 [ 1598.769327][ T42] ? kernel_read_file+0x3d2/0x520 [ 1598.769468][ T42] ? kernel_read_file+0x300/0x520 [ 1598.769609][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1598.769751][ T42] ? init_module_from_file+0xd2/0x130 [ 1598.769911][ T42] init_module_from_file+0xd2/0x130 [ 1598.770046][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1598.770217][ T42] ? __lock_release+0x103/0x460 [ 1598.770352][ T42] ? idempotent_init_module+0x32a/0x620 [ 1598.770505][ T42] ? idempotent_init_module+0x32a/0x620 [ 1598.770640][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1598.770778][ T42] idempotent_init_module+0x342/0x620 [ 1598.770923][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1598.771112][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1598.771251][ T42] do_syscall_64+0xc6/0x1e0 [ 1598.771394][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.771567][ T42] RIP: 0033:0x7fab981a1e5d [ 1598.771707][ T42] RSP: 002b:00007ffe70d7a428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1598.771920][ T42] RAX: ffffffffffffffda RBX: 0000555e1943ce90 RCX: 00007fab981a1e5d [ 1598.772120][ T42] RDX: 0000000000000000 RSI: 0000555deb69da2a RDI: 0000000000000001 [ 1598.772326][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555e1943d4f0 [ 1598.772535][ T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555deb69da2a [ 1598.772733][ T42] R13: 0000555e1943ce40 R14: 0000555e1943d570 R15: 0000000000000000 [ 1598.772954][ T42] [ 1598.773062][ T42] [ 1598.773062][ T42] Showing all locks held in the system: [ 1598.773251][ T42] 3 locks held by kworker/u16:0/10: [ 1598.773384][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1598.773660][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1598.773916][ T42] #2: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1598.774156][ T42] 1 lock held by khungtaskd/42: [ 1598.774288][ T42] #0: ffffffffb5b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1598.774524][ T42] 2 locks held by kworker/u18:1/59: [ 1598.774656][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1598.774940][ T42] #1: ffffc90000407da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1598.775249][ T42] 1 lock held by modprobe/3829: [ 1598.775378][ T42] #0: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1598.775649][ T42] [ 1598.775718][ T42] ============================================= [ 1598.775718][ T42] [ 1603.283927][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1603.284419][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1603.284419][ T10] netdev_get_by_index+0x5e/0x80 [ 1603.284419][ T10] fib6_nh_init+0x3d8/0x1580 [ 1603.284419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1603.284419][ T10] ip6_route_add+0x1c/0x140 [ 1603.284419][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1603.284419][ T10] inet6_addr_add+0x4f8/0xa40 [ 1603.284419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.284419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.284419][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.284419][ T10] netlink_unicast+0x449/0x710 [ 1603.284419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.284419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.284419][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.284419][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.284419][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.284419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.284419][ T10] [ 1603.287038][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1603.287038][ T10] netdev_get_by_index+0x5e/0x80 [ 1603.287038][ T10] fib6_nh_init+0x3d8/0x1580 [ 1603.287038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1603.287038][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1603.287038][ T10] ipv6_add_addr+0x411/0x2000 [ 1603.287038][ T10] inet6_addr_add+0x30e/0xa40 [ 1603.287038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.287038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.287038][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.287038][ T10] netlink_unicast+0x449/0x710 [ 1603.287038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.287038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.287038][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.287038][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.287038][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.287038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.287038][ T10] [ 1603.289077][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1603.289077][ T10] netdev_get_by_index+0x5e/0x80 [ 1603.289077][ T10] fib6_nh_init+0x3d8/0x1580 [ 1603.289077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1603.289077][ T10] ip6_route_add+0x1c/0x140 [ 1603.289077][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1603.289077][ T10] addrconf_add_dev+0xe2/0x170 [ 1603.289077][ T10] inet6_addr_add+0x12f/0xa40 [ 1603.289077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.289077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.289077][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.289077][ T10] netlink_unicast+0x449/0x710 [ 1603.289077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.289077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.289077][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.289077][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.289077][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.289077][ T10] [ 1603.291079][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1603.291079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1603.291079][ T10] ipv6_find_idev+0x102/0x170 [ 1603.291079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1603.291079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.291079][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.291079][ T10] netlink_unicast+0x449/0x710 [ 1603.291079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.291079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.291079][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.291079][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.291079][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.291079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.291079][ T10] [ 1603.292655][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1603.292655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1603.292655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1603.292655][ T10] ipv6_find_idev+0x102/0x170 [ 1603.292655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1603.292655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.292655][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.292655][ T10] netlink_unicast+0x449/0x710 [ 1603.292655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.292655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.292655][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.292655][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.292655][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.292655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.292655][ T10] [ 1603.294804][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1603.295115][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1603.295115][ T10] netdev_get_by_index+0x5e/0x80 [ 1603.295115][ T10] fib6_nh_init+0x3d8/0x1580 [ 1603.295115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1603.295115][ T10] ip6_route_add+0x1c/0x140 [ 1603.295115][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1603.295115][ T10] inet6_addr_add+0x4f8/0xa40 [ 1603.295115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.295115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.295115][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.295115][ T10] netlink_unicast+0x449/0x710 [ 1603.295115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.295115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.295115][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.295115][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.295115][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.295115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.295115][ T10] [ 1603.297153][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1603.297153][ T10] netdev_get_by_index+0x5e/0x80 [ 1603.297153][ T10] fib6_nh_init+0x3d8/0x1580 [ 1603.297153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1603.297153][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1603.297153][ T10] ipv6_add_addr+0x411/0x2000 [ 1603.297153][ T10] inet6_addr_add+0x30e/0xa40 [ 1603.297153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.297153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.297153][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.297153][ T10] netlink_unicast+0x449/0x710 [ 1603.297153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.297153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.297153][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.297153][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.297153][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.297153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.297153][ T10] [ 1603.299193][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1603.299193][ T10] netdev_get_by_index+0x5e/0x80 [ 1603.299193][ T10] fib6_nh_init+0x3d8/0x1580 [ 1603.299193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1603.299193][ T10] ip6_route_add+0x1c/0x140 [ 1603.299193][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1603.299193][ T10] addrconf_add_dev+0xe2/0x170 [ 1603.299193][ T10] inet6_addr_add+0x12f/0xa40 [ 1603.299193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1603.299193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.299193][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.299193][ T10] netlink_unicast+0x449/0x710 [ 1603.299193][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.299193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.299193][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.299193][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.299193][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.299193][ T10] [ 1603.301186][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1603.301186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1603.301186][ T10] ipv6_find_idev+0x102/0x170 [ 1603.301186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1603.301186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.301186][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.301186][ T10] netlink_unicast+0x449/0x710 [ 1603.301186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.301186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.301186][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.301186][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.301186][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.301186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.301186][ T10] [ 1603.302749][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1603.302749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1603.302749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1603.302749][ T10] ipv6_find_idev+0x102/0x170 [ 1603.302749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1603.302749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.302749][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.302749][ T10] netlink_unicast+0x449/0x710 [ 1603.302749][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.302749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.302749][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.302749][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.302749][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.302749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.302749][ T10] [ 1603.304463][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1603.304716][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1603.304716][ T10] vlan_dev_init+0x97c/0xdd0 [ 1603.304716][ T10] register_netdevice+0x4d3/0x1690 [ 1603.304716][ T10] register_vlan_dev+0x162/0x4a0 [ 1603.304716][ T10] vlan_newlink+0x393/0x610 [ 1603.304716][ T10] rtnl_newlink_create+0x341/0x850 [ 1603.304716][ T10] __rtnl_newlink+0xac9/0xd80 [ 1603.304716][ T10] rtnl_newlink+0x63/0xa0 [ 1603.304716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1603.304716][ T10] netlink_rcv_skb+0x130/0x360 [ 1603.304716][ T10] netlink_unicast+0x449/0x710 [ 1603.304716][ T10] netlink_sendmsg+0x723/0xbe0 [ 1603.304716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1603.304716][ T10] ___sys_sendmsg+0xee/0x170 [ 1603.304716][ T10] __sys_sendmsg+0xcd/0x170 [ 1603.304716][ T10] do_syscall_64+0xc6/0x1e0 [ 1603.304716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1603.304716][ T10] [ 1613.475998][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1613.476434][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1613.476434][ T10] netdev_get_by_index+0x5e/0x80 [ 1613.476434][ T10] fib6_nh_init+0x3d8/0x1580 [ 1613.476434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1613.476434][ T10] ip6_route_add+0x1c/0x140 [ 1613.476434][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1613.476434][ T10] inet6_addr_add+0x4f8/0xa40 [ 1613.476434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.476434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.476434][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.476434][ T10] netlink_unicast+0x449/0x710 [ 1613.476434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.476434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.476434][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.476434][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.476434][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.476434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.476434][ T10] [ 1613.478670][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1613.478670][ T10] netdev_get_by_index+0x5e/0x80 [ 1613.478670][ T10] fib6_nh_init+0x3d8/0x1580 [ 1613.478670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1613.478670][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1613.478670][ T10] ipv6_add_addr+0x411/0x2000 [ 1613.478670][ T10] inet6_addr_add+0x30e/0xa40 [ 1613.478670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.478670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.478670][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.478670][ T10] netlink_unicast+0x449/0x710 [ 1613.478670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.478670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.478670][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.478670][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.478670][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.478670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.478670][ T10] [ 1613.480880][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1613.480880][ T10] netdev_get_by_index+0x5e/0x80 [ 1613.480880][ T10] fib6_nh_init+0x3d8/0x1580 [ 1613.480880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1613.480880][ T10] ip6_route_add+0x1c/0x140 [ 1613.480880][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1613.480880][ T10] addrconf_add_dev+0xe2/0x170 [ 1613.480880][ T10] inet6_addr_add+0x12f/0xa40 [ 1613.480880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.480880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.480880][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.480880][ T10] netlink_unicast+0x449/0x710 [ 1613.480880][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.480880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.480880][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.480880][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.480880][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.480880][ T10] [ 1613.483064][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1613.483064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1613.483064][ T10] ipv6_find_idev+0x102/0x170 [ 1613.483064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.483064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.483064][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.483064][ T10] netlink_unicast+0x449/0x710 [ 1613.483064][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.483064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.483064][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.483064][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.483064][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.483064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.483064][ T10] [ 1613.484741][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1613.484741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1613.484741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1613.484741][ T10] ipv6_find_idev+0x102/0x170 [ 1613.484741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.484741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.484741][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.484741][ T10] netlink_unicast+0x449/0x710 [ 1613.484741][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.484741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.484741][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.484741][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.484741][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.484741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.484741][ T10] [ 1613.486634][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1613.486929][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1613.486929][ T10] netdev_get_by_index+0x5e/0x80 [ 1613.486929][ T10] fib6_nh_init+0x3d8/0x1580 [ 1613.486929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1613.486929][ T10] ip6_route_add+0x1c/0x140 [ 1613.486929][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1613.486929][ T10] inet6_addr_add+0x4f8/0xa40 [ 1613.486929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.486929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.486929][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.486929][ T10] netlink_unicast+0x449/0x710 [ 1613.486929][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.486929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.486929][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.486929][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.486929][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.486929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.486929][ T10] [ 1613.489142][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1613.489142][ T10] netdev_get_by_index+0x5e/0x80 [ 1613.489142][ T10] fib6_nh_init+0x3d8/0x1580 [ 1613.489142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1613.489142][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1613.489142][ T10] ipv6_add_addr+0x411/0x2000 [ 1613.489142][ T10] inet6_addr_add+0x30e/0xa40 [ 1613.489142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.489142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.489142][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.489142][ T10] netlink_unicast+0x449/0x710 [ 1613.489142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.489142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.489142][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.489142][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.489142][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.489142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.489142][ T10] [ 1613.491355][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1613.491355][ T10] netdev_get_by_index+0x5e/0x80 [ 1613.491355][ T10] fib6_nh_init+0x3d8/0x1580 [ 1613.491355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1613.491355][ T10] ip6_route_add+0x1c/0x140 [ 1613.491355][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1613.491355][ T10] addrconf_add_dev+0xe2/0x170 [ 1613.491355][ T10] inet6_addr_add+0x12f/0xa40 [ 1613.491355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1613.491355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.491355][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.491355][ T10] netlink_unicast+0x449/0x710 [ 1613.491355][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.491355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.491355][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.491355][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.491355][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.491355][ T10] [ 1613.493519][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1613.493519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1613.493519][ T10] ipv6_find_idev+0x102/0x170 [ 1613.493519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.493519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.493519][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.493519][ T10] netlink_unicast+0x449/0x710 [ 1613.493519][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.493519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.493519][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.493519][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.493519][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.493519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.493519][ T10] [ 1613.495580][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1613.495580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1613.495580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1613.495580][ T10] ipv6_find_idev+0x102/0x170 [ 1613.495580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1613.495580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.495580][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.495580][ T10] netlink_unicast+0x449/0x710 [ 1613.495580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.495580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.495580][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.495580][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.495580][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.495580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.495580][ T10] [ 1613.497425][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1613.497689][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1613.497689][ T10] vlan_dev_init+0x97c/0xdd0 [ 1613.497689][ T10] register_netdevice+0x4d3/0x1690 [ 1613.497689][ T10] register_vlan_dev+0x162/0x4a0 [ 1613.497689][ T10] vlan_newlink+0x393/0x610 [ 1613.497689][ T10] rtnl_newlink_create+0x341/0x850 [ 1613.497689][ T10] __rtnl_newlink+0xac9/0xd80 [ 1613.497689][ T10] rtnl_newlink+0x63/0xa0 [ 1613.497689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1613.497689][ T10] netlink_rcv_skb+0x130/0x360 [ 1613.497689][ T10] netlink_unicast+0x449/0x710 [ 1613.497689][ T10] netlink_sendmsg+0x723/0xbe0 [ 1613.497689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1613.497689][ T10] ___sys_sendmsg+0xee/0x170 [ 1613.497689][ T10] __sys_sendmsg+0xcd/0x170 [ 1613.497689][ T10] do_syscall_64+0xc6/0x1e0 [ 1613.497689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1613.497689][ T10] [ 1623.636007][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1623.636407][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1623.636407][ T10] netdev_get_by_index+0x5e/0x80 [ 1623.636407][ T10] fib6_nh_init+0x3d8/0x1580 [ 1623.636407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1623.636407][ T10] ip6_route_add+0x1c/0x140 [ 1623.636407][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1623.636407][ T10] inet6_addr_add+0x4f8/0xa40 [ 1623.636407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.636407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.636407][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.636407][ T10] netlink_unicast+0x449/0x710 [ 1623.636407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.636407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.636407][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.636407][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.636407][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.636407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.636407][ T10] [ 1623.638609][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1623.638609][ T10] netdev_get_by_index+0x5e/0x80 [ 1623.638609][ T10] fib6_nh_init+0x3d8/0x1580 [ 1623.638609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1623.638609][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1623.638609][ T10] ipv6_add_addr+0x411/0x2000 [ 1623.638609][ T10] inet6_addr_add+0x30e/0xa40 [ 1623.638609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.638609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.638609][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.638609][ T10] netlink_unicast+0x449/0x710 [ 1623.638609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.638609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.638609][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.638609][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.638609][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.638609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.638609][ T10] [ 1623.640819][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1623.640819][ T10] netdev_get_by_index+0x5e/0x80 [ 1623.640819][ T10] fib6_nh_init+0x3d8/0x1580 [ 1623.640819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1623.640819][ T10] ip6_route_add+0x1c/0x140 [ 1623.640819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1623.640819][ T10] addrconf_add_dev+0xe2/0x170 [ 1623.640819][ T10] inet6_addr_add+0x12f/0xa40 [ 1623.640819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.640819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.640819][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.640819][ T10] netlink_unicast+0x449/0x710 [ 1623.640819][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.640819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.640819][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.640819][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.640819][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.640819][ T10] [ 1623.642996][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1623.642996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1623.642996][ T10] ipv6_find_idev+0x102/0x170 [ 1623.642996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.642996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.642996][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.642996][ T10] netlink_unicast+0x449/0x710 [ 1623.642996][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.642996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.642996][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.642996][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.642996][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.642996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.642996][ T10] [ 1623.644695][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1623.644695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1623.644695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1623.644695][ T10] ipv6_find_idev+0x102/0x170 [ 1623.644695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.644695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.644695][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.644695][ T10] netlink_unicast+0x449/0x710 [ 1623.644695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.644695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.644695][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.644695][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.644695][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.644695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.644695][ T10] [ 1623.646564][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1623.646855][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1623.646855][ T10] netdev_get_by_index+0x5e/0x80 [ 1623.646855][ T10] fib6_nh_init+0x3d8/0x1580 [ 1623.646855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1623.646855][ T10] ip6_route_add+0x1c/0x140 [ 1623.646855][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1623.646855][ T10] inet6_addr_add+0x4f8/0xa40 [ 1623.646855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.646855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.646855][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.646855][ T10] netlink_unicast+0x449/0x710 [ 1623.646855][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.646855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.646855][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.646855][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.646855][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.646855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.646855][ T10] [ 1623.649073][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1623.649073][ T10] netdev_get_by_index+0x5e/0x80 [ 1623.649073][ T10] fib6_nh_init+0x3d8/0x1580 [ 1623.649073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1623.649073][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1623.649073][ T10] ipv6_add_addr+0x411/0x2000 [ 1623.649073][ T10] inet6_addr_add+0x30e/0xa40 [ 1623.649073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.649073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.649073][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.649073][ T10] netlink_unicast+0x449/0x710 [ 1623.649073][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.649073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.649073][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.649073][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.649073][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.649073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.649073][ T10] [ 1623.651279][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1623.651279][ T10] netdev_get_by_index+0x5e/0x80 [ 1623.651279][ T10] fib6_nh_init+0x3d8/0x1580 [ 1623.651279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1623.651279][ T10] ip6_route_add+0x1c/0x140 [ 1623.651279][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1623.651279][ T10] addrconf_add_dev+0xe2/0x170 [ 1623.651279][ T10] inet6_addr_add+0x12f/0xa40 [ 1623.651279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1623.651279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.651279][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.651279][ T10] netlink_unicast+0x449/0x710 [ 1623.651279][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.651279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.651279][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.651279][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.651279][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.651279][ T10] [ 1623.653446][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1623.653446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1623.653446][ T10] ipv6_find_idev+0x102/0x170 [ 1623.653446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.653446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.653446][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.653446][ T10] netlink_unicast+0x449/0x710 [ 1623.653446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.653446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.653446][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.653446][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.653446][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.653446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.653446][ T10] [ 1623.655152][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1623.655152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1623.655152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1623.655152][ T10] ipv6_find_idev+0x102/0x170 [ 1623.655152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1623.655152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.655152][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.655152][ T10] netlink_unicast+0x449/0x710 [ 1623.655152][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.655152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.655152][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.655152][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.655152][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.655152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.655152][ T10] [ 1623.657007][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1623.657269][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1623.657269][ T10] vlan_dev_init+0x97c/0xdd0 [ 1623.657269][ T10] register_netdevice+0x4d3/0x1690 [ 1623.657269][ T10] register_vlan_dev+0x162/0x4a0 [ 1623.657269][ T10] vlan_newlink+0x393/0x610 [ 1623.657269][ T10] rtnl_newlink_create+0x341/0x850 [ 1623.657269][ T10] __rtnl_newlink+0xac9/0xd80 [ 1623.657269][ T10] rtnl_newlink+0x63/0xa0 [ 1623.657269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1623.657269][ T10] netlink_rcv_skb+0x130/0x360 [ 1623.657269][ T10] netlink_unicast+0x449/0x710 [ 1623.657269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1623.657269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1623.657269][ T10] ___sys_sendmsg+0xee/0x170 [ 1623.657269][ T10] __sys_sendmsg+0xcd/0x170 [ 1623.657269][ T10] do_syscall_64+0xc6/0x1e0 [ 1623.657269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1623.657269][ T10] [ 1633.908005][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1633.908470][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1633.908470][ T10] netdev_get_by_index+0x5e/0x80 [ 1633.908470][ T10] fib6_nh_init+0x3d8/0x1580 [ 1633.908470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1633.908470][ T10] ip6_route_add+0x1c/0x140 [ 1633.908470][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1633.908470][ T10] inet6_addr_add+0x4f8/0xa40 [ 1633.908470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.908470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.908470][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.908470][ T10] netlink_unicast+0x449/0x710 [ 1633.908470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.908470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.908470][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.908470][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.908470][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.908470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.908470][ T10] [ 1633.910683][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1633.910683][ T10] netdev_get_by_index+0x5e/0x80 [ 1633.910683][ T10] fib6_nh_init+0x3d8/0x1580 [ 1633.910683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1633.910683][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1633.910683][ T10] ipv6_add_addr+0x411/0x2000 [ 1633.910683][ T10] inet6_addr_add+0x30e/0xa40 [ 1633.910683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.910683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.910683][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.910683][ T10] netlink_unicast+0x449/0x710 [ 1633.910683][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.910683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.910683][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.910683][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.910683][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.910683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.910683][ T10] [ 1633.912884][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1633.912884][ T10] netdev_get_by_index+0x5e/0x80 [ 1633.912884][ T10] fib6_nh_init+0x3d8/0x1580 [ 1633.912884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1633.912884][ T10] ip6_route_add+0x1c/0x140 [ 1633.912884][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1633.912884][ T10] addrconf_add_dev+0xe2/0x170 [ 1633.912884][ T10] inet6_addr_add+0x12f/0xa40 [ 1633.912884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.912884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.912884][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.912884][ T10] netlink_unicast+0x449/0x710 [ 1633.912884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.912884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.912884][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.912884][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.912884][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.912884][ T10] [ 1633.915054][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1633.915054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1633.915054][ T10] ipv6_find_idev+0x102/0x170 [ 1633.915054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.915054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.915054][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.915054][ T10] netlink_unicast+0x449/0x710 [ 1633.915054][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.915054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.915054][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.915054][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.915054][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.915054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.915054][ T10] [ 1633.916741][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1633.916741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1633.916741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1633.916741][ T10] ipv6_find_idev+0x102/0x170 [ 1633.916741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.916741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.916741][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.916741][ T10] netlink_unicast+0x449/0x710 [ 1633.916741][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.916741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.916741][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.916741][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.916741][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.916741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.916741][ T10] [ 1633.918592][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1633.918889][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1633.918889][ T10] netdev_get_by_index+0x5e/0x80 [ 1633.918889][ T10] fib6_nh_init+0x3d8/0x1580 [ 1633.918889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1633.918889][ T10] ip6_route_add+0x1c/0x140 [ 1633.918889][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1633.918889][ T10] inet6_addr_add+0x4f8/0xa40 [ 1633.918889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.918889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.918889][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.918889][ T10] netlink_unicast+0x449/0x710 [ 1633.918889][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.918889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.918889][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.918889][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.918889][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.918889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.918889][ T10] [ 1633.921073][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1633.921073][ T10] netdev_get_by_index+0x5e/0x80 [ 1633.921073][ T10] fib6_nh_init+0x3d8/0x1580 [ 1633.921073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1633.921073][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1633.921073][ T10] ipv6_add_addr+0x411/0x2000 [ 1633.921073][ T10] inet6_addr_add+0x30e/0xa40 [ 1633.921073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.921073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.921073][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.921073][ T10] netlink_unicast+0x449/0x710 [ 1633.921073][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.921073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.921073][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.921073][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.921073][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.921073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.921073][ T10] [ 1633.923268][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1633.923268][ T10] netdev_get_by_index+0x5e/0x80 [ 1633.923268][ T10] fib6_nh_init+0x3d8/0x1580 [ 1633.923268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1633.923268][ T10] ip6_route_add+0x1c/0x140 [ 1633.923268][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1633.923268][ T10] addrconf_add_dev+0xe2/0x170 [ 1633.923268][ T10] inet6_addr_add+0x12f/0xa40 [ 1633.923268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1633.923268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.923268][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.923268][ T10] netlink_unicast+0x449/0x710 [ 1633.923268][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.923268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.923268][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.923268][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.923268][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.923268][ T10] [ 1633.925455][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1633.925455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1633.925455][ T10] ipv6_find_idev+0x102/0x170 [ 1633.925455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.925455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.925455][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.925455][ T10] netlink_unicast+0x449/0x710 [ 1633.925455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.925455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.925455][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.925455][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.925455][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.925455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.925455][ T10] [ 1633.927133][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1633.927133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1633.927133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1633.927133][ T10] ipv6_find_idev+0x102/0x170 [ 1633.927133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1633.927133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.927133][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.927133][ T10] netlink_unicast+0x449/0x710 [ 1633.927133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.927133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.927133][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.927133][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.927133][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.927133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.927133][ T10] [ 1633.928983][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1633.929240][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1633.929240][ T10] vlan_dev_init+0x97c/0xdd0 [ 1633.929240][ T10] register_netdevice+0x4d3/0x1690 [ 1633.929240][ T10] register_vlan_dev+0x162/0x4a0 [ 1633.929240][ T10] vlan_newlink+0x393/0x610 [ 1633.929240][ T10] rtnl_newlink_create+0x341/0x850 [ 1633.929240][ T10] __rtnl_newlink+0xac9/0xd80 [ 1633.929240][ T10] rtnl_newlink+0x63/0xa0 [ 1633.929240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1633.929240][ T10] netlink_rcv_skb+0x130/0x360 [ 1633.929240][ T10] netlink_unicast+0x449/0x710 [ 1633.929240][ T10] netlink_sendmsg+0x723/0xbe0 [ 1633.929240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1633.929240][ T10] ___sys_sendmsg+0xee/0x170 [ 1633.929240][ T10] __sys_sendmsg+0xcd/0x170 [ 1633.929240][ T10] do_syscall_64+0xc6/0x1e0 [ 1633.929240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1633.929240][ T10] [ 1644.179999][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1644.180428][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1644.180428][ T10] netdev_get_by_index+0x5e/0x80 [ 1644.180428][ T10] fib6_nh_init+0x3d8/0x1580 [ 1644.180428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1644.180428][ T10] ip6_route_add+0x1c/0x140 [ 1644.180428][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1644.180428][ T10] inet6_addr_add+0x4f8/0xa40 [ 1644.180428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.180428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.180428][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.180428][ T10] netlink_unicast+0x449/0x710 [ 1644.180428][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.180428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.180428][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.180428][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.180428][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.180428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.180428][ T10] [ 1644.182698][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1644.182698][ T10] netdev_get_by_index+0x5e/0x80 [ 1644.182698][ T10] fib6_nh_init+0x3d8/0x1580 [ 1644.182698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1644.182698][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1644.182698][ T10] ipv6_add_addr+0x411/0x2000 [ 1644.182698][ T10] inet6_addr_add+0x30e/0xa40 [ 1644.182698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.182698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.182698][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.182698][ T10] netlink_unicast+0x449/0x710 [ 1644.182698][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.182698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.182698][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.182698][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.182698][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.182698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.182698][ T10] [ 1644.184954][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1644.184954][ T10] netdev_get_by_index+0x5e/0x80 [ 1644.184954][ T10] fib6_nh_init+0x3d8/0x1580 [ 1644.184954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1644.184954][ T10] ip6_route_add+0x1c/0x140 [ 1644.184954][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1644.184954][ T10] addrconf_add_dev+0xe2/0x170 [ 1644.184954][ T10] inet6_addr_add+0x12f/0xa40 [ 1644.184954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.184954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.184954][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.184954][ T10] netlink_unicast+0x449/0x710 [ 1644.184954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.184954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.184954][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.184954][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.184954][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.184954][ T10] [ 1644.187178][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1644.187178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1644.187178][ T10] ipv6_find_idev+0x102/0x170 [ 1644.187178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.187178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.187178][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.187178][ T10] netlink_unicast+0x449/0x710 [ 1644.187178][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.187178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.187178][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.187178][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.187178][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.187178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.187178][ T10] [ 1644.188916][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1644.188916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1644.188916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1644.188916][ T10] ipv6_find_idev+0x102/0x170 [ 1644.188916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.188916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.188916][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.188916][ T10] netlink_unicast+0x449/0x710 [ 1644.188916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.188916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.188916][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.188916][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.188916][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.188916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.188916][ T10] [ 1644.190836][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1644.191150][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1644.191150][ T10] netdev_get_by_index+0x5e/0x80 [ 1644.191150][ T10] fib6_nh_init+0x3d8/0x1580 [ 1644.191150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1644.191150][ T10] ip6_route_add+0x1c/0x140 [ 1644.191150][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1644.191150][ T10] inet6_addr_add+0x4f8/0xa40 [ 1644.191150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.191150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.191150][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.191150][ T10] netlink_unicast+0x449/0x710 [ 1644.191150][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.191150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.191150][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.191150][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.191150][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.191150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.191150][ T10] [ 1644.193407][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1644.193407][ T10] netdev_get_by_index+0x5e/0x80 [ 1644.193407][ T10] fib6_nh_init+0x3d8/0x1580 [ 1644.193407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1644.193407][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1644.193407][ T10] ipv6_add_addr+0x411/0x2000 [ 1644.193407][ T10] inet6_addr_add+0x30e/0xa40 [ 1644.193407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.193407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.193407][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.193407][ T10] netlink_unicast+0x449/0x710 [ 1644.193407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.193407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.193407][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.193407][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.193407][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.193407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.193407][ T10] [ 1644.195668][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1644.195668][ T10] netdev_get_by_index+0x5e/0x80 [ 1644.195668][ T10] fib6_nh_init+0x3d8/0x1580 [ 1644.195668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1644.195668][ T10] ip6_route_add+0x1c/0x140 [ 1644.195668][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1644.195668][ T10] addrconf_add_dev+0xe2/0x170 [ 1644.195668][ T10] inet6_addr_add+0x12f/0xa40 [ 1644.195668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1644.195668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.195668][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.195668][ T10] netlink_unicast+0x449/0x710 [ 1644.195668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.195668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.195668][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.195668][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.195668][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.195668][ T10] [ 1644.197884][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1644.197884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1644.197884][ T10] ipv6_find_idev+0x102/0x170 [ 1644.197884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.197884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.197884][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.197884][ T10] netlink_unicast+0x449/0x710 [ 1644.197884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.197884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.197884][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.197884][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.197884][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.197884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.197884][ T10] [ 1644.199620][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1644.199620][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1644.199620][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1644.199620][ T10] ipv6_find_idev+0x102/0x170 [ 1644.199620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1644.199620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.199620][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.199620][ T10] netlink_unicast+0x449/0x710 [ 1644.199620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.199620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.199620][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.199620][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.199620][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.199620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.199620][ T10] [ 1644.201526][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1644.201792][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1644.201792][ T10] vlan_dev_init+0x97c/0xdd0 [ 1644.201792][ T10] register_netdevice+0x4d3/0x1690 [ 1644.201792][ T10] register_vlan_dev+0x162/0x4a0 [ 1644.201792][ T10] vlan_newlink+0x393/0x610 [ 1644.201792][ T10] rtnl_newlink_create+0x341/0x850 [ 1644.201792][ T10] __rtnl_newlink+0xac9/0xd80 [ 1644.201792][ T10] rtnl_newlink+0x63/0xa0 [ 1644.201792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1644.201792][ T10] netlink_rcv_skb+0x130/0x360 [ 1644.201792][ T10] netlink_unicast+0x449/0x710 [ 1644.201792][ T10] netlink_sendmsg+0x723/0xbe0 [ 1644.201792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1644.201792][ T10] ___sys_sendmsg+0xee/0x170 [ 1644.201792][ T10] __sys_sendmsg+0xcd/0x170 [ 1644.201792][ T10] do_syscall_64+0xc6/0x1e0 [ 1644.201792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1644.201792][ T10] [ 1654.251997][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1654.252432][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1654.252432][ T10] netdev_get_by_index+0x5e/0x80 [ 1654.252432][ T10] fib6_nh_init+0x3d8/0x1580 [ 1654.252432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1654.252432][ T10] ip6_route_add+0x1c/0x140 [ 1654.252432][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1654.252432][ T10] inet6_addr_add+0x4f8/0xa40 [ 1654.252432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.252432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.252432][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.252432][ T10] netlink_unicast+0x449/0x710 [ 1654.252432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.252432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.252432][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.252432][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.252432][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.252432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.252432][ T10] [ 1654.254712][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1654.254712][ T10] netdev_get_by_index+0x5e/0x80 [ 1654.254712][ T10] fib6_nh_init+0x3d8/0x1580 [ 1654.254712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1654.254712][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1654.254712][ T10] ipv6_add_addr+0x411/0x2000 [ 1654.254712][ T10] inet6_addr_add+0x30e/0xa40 [ 1654.254712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.254712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.254712][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.254712][ T10] netlink_unicast+0x449/0x710 [ 1654.254712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.254712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.254712][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.254712][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.254712][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.254712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.254712][ T10] [ 1654.256960][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1654.256960][ T10] netdev_get_by_index+0x5e/0x80 [ 1654.256960][ T10] fib6_nh_init+0x3d8/0x1580 [ 1654.256960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1654.256960][ T10] ip6_route_add+0x1c/0x140 [ 1654.256960][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1654.256960][ T10] addrconf_add_dev+0xe2/0x170 [ 1654.256960][ T10] inet6_addr_add+0x12f/0xa40 [ 1654.256960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.256960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.256960][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.256960][ T10] netlink_unicast+0x449/0x710 [ 1654.256960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.256960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.256960][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.256960][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.256960][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.256960][ T10] [ 1654.259173][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1654.259173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1654.259173][ T10] ipv6_find_idev+0x102/0x170 [ 1654.259173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.259173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.259173][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.259173][ T10] netlink_unicast+0x449/0x710 [ 1654.259173][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.259173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.259173][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.259173][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.259173][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.259173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.259173][ T10] [ 1654.260921][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1654.260921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1654.260921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1654.260921][ T10] ipv6_find_idev+0x102/0x170 [ 1654.260921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.260921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.260921][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.260921][ T10] netlink_unicast+0x449/0x710 [ 1654.260921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.260921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.260921][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.260921][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.260921][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.260921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.260921][ T10] [ 1654.262838][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1654.263154][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1654.263154][ T10] netdev_get_by_index+0x5e/0x80 [ 1654.263154][ T10] fib6_nh_init+0x3d8/0x1580 [ 1654.263154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1654.263154][ T10] ip6_route_add+0x1c/0x140 [ 1654.263154][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1654.263154][ T10] inet6_addr_add+0x4f8/0xa40 [ 1654.263154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.263154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.263154][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.263154][ T10] netlink_unicast+0x449/0x710 [ 1654.263154][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.263154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.263154][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.263154][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.263154][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.263154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.263154][ T10] [ 1654.265410][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1654.265410][ T10] netdev_get_by_index+0x5e/0x80 [ 1654.265410][ T10] fib6_nh_init+0x3d8/0x1580 [ 1654.265410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1654.265410][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1654.265410][ T10] ipv6_add_addr+0x411/0x2000 [ 1654.265410][ T10] inet6_addr_add+0x30e/0xa40 [ 1654.265410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.265410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.265410][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.265410][ T10] netlink_unicast+0x449/0x710 [ 1654.265410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.265410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.265410][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.265410][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.265410][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.265410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.265410][ T10] [ 1654.267643][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1654.267643][ T10] netdev_get_by_index+0x5e/0x80 [ 1654.267643][ T10] fib6_nh_init+0x3d8/0x1580 [ 1654.267643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1654.267643][ T10] ip6_route_add+0x1c/0x140 [ 1654.267643][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1654.267643][ T10] addrconf_add_dev+0xe2/0x170 [ 1654.267643][ T10] inet6_addr_add+0x12f/0xa40 [ 1654.267643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1654.267643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.267643][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.267643][ T10] netlink_unicast+0x449/0x710 [ 1654.267643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.267643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.267643][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.267643][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.267643][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.267643][ T10] [ 1654.269842][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1654.269842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1654.269842][ T10] ipv6_find_idev+0x102/0x170 [ 1654.269842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.269842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.269842][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.269842][ T10] netlink_unicast+0x449/0x710 [ 1654.269842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.269842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.269842][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.269842][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.269842][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.269842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.269842][ T10] [ 1654.271573][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1654.271573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1654.271573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1654.271573][ T10] ipv6_find_idev+0x102/0x170 [ 1654.271573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1654.271573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.271573][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.271573][ T10] netlink_unicast+0x449/0x710 [ 1654.271573][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.271573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.271573][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.271573][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.271573][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.271573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.271573][ T10] [ 1654.273475][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1654.273738][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1654.273738][ T10] vlan_dev_init+0x97c/0xdd0 [ 1654.273738][ T10] register_netdevice+0x4d3/0x1690 [ 1654.273738][ T10] register_vlan_dev+0x162/0x4a0 [ 1654.273738][ T10] vlan_newlink+0x393/0x610 [ 1654.273738][ T10] rtnl_newlink_create+0x341/0x850 [ 1654.273738][ T10] __rtnl_newlink+0xac9/0xd80 [ 1654.273738][ T10] rtnl_newlink+0x63/0xa0 [ 1654.273738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1654.273738][ T10] netlink_rcv_skb+0x130/0x360 [ 1654.273738][ T10] netlink_unicast+0x449/0x710 [ 1654.273738][ T10] netlink_sendmsg+0x723/0xbe0 [ 1654.273738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1654.273738][ T10] ___sys_sendmsg+0xee/0x170 [ 1654.273738][ T10] __sys_sendmsg+0xcd/0x170 [ 1654.273738][ T10] do_syscall_64+0xc6/0x1e0 [ 1654.273738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1654.273738][ T10] [ 1664.515997][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1664.516486][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1664.516486][ T10] netdev_get_by_index+0x5e/0x80 [ 1664.516486][ T10] fib6_nh_init+0x3d8/0x1580 [ 1664.516486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1664.516486][ T10] ip6_route_add+0x1c/0x140 [ 1664.516486][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1664.516486][ T10] inet6_addr_add+0x4f8/0xa40 [ 1664.516486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.516486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.516486][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.516486][ T10] netlink_unicast+0x449/0x710 [ 1664.516486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.516486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.516486][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.516486][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.516486][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.516486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.516486][ T10] [ 1664.518748][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1664.518748][ T10] netdev_get_by_index+0x5e/0x80 [ 1664.518748][ T10] fib6_nh_init+0x3d8/0x1580 [ 1664.518748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1664.518748][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1664.518748][ T10] ipv6_add_addr+0x411/0x2000 [ 1664.518748][ T10] inet6_addr_add+0x30e/0xa40 [ 1664.518748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.518748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.518748][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.518748][ T10] netlink_unicast+0x449/0x710 [ 1664.518748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.518748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.518748][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.518748][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.518748][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.518748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.518748][ T10] [ 1664.520986][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1664.520986][ T10] netdev_get_by_index+0x5e/0x80 [ 1664.520986][ T10] fib6_nh_init+0x3d8/0x1580 [ 1664.520986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1664.520986][ T10] ip6_route_add+0x1c/0x140 [ 1664.520986][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1664.520986][ T10] addrconf_add_dev+0xe2/0x170 [ 1664.520986][ T10] inet6_addr_add+0x12f/0xa40 [ 1664.520986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.520986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.520986][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.520986][ T10] netlink_unicast+0x449/0x710 [ 1664.520986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.520986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.520986][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.520986][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.520986][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.520986][ T10] [ 1664.523197][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1664.523197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1664.523197][ T10] ipv6_find_idev+0x102/0x170 [ 1664.523197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.523197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.523197][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.523197][ T10] netlink_unicast+0x449/0x710 [ 1664.523197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.523197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.523197][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.523197][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.523197][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.523197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.523197][ T10] [ 1664.524948][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1664.524948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1664.524948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1664.524948][ T10] ipv6_find_idev+0x102/0x170 [ 1664.524948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.524948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.524948][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.524948][ T10] netlink_unicast+0x449/0x710 [ 1664.524948][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.524948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.524948][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.524948][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.524948][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.524948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.524948][ T10] [ 1664.526856][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1664.527174][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1664.527174][ T10] netdev_get_by_index+0x5e/0x80 [ 1664.527174][ T10] fib6_nh_init+0x3d8/0x1580 [ 1664.527174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1664.527174][ T10] ip6_route_add+0x1c/0x140 [ 1664.527174][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1664.527174][ T10] inet6_addr_add+0x4f8/0xa40 [ 1664.527174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.527174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.527174][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.527174][ T10] netlink_unicast+0x449/0x710 [ 1664.527174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.527174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.527174][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.527174][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.527174][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.527174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.527174][ T10] [ 1664.529429][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1664.529429][ T10] netdev_get_by_index+0x5e/0x80 [ 1664.529429][ T10] fib6_nh_init+0x3d8/0x1580 [ 1664.529429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1664.529429][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1664.529429][ T10] ipv6_add_addr+0x411/0x2000 [ 1664.529429][ T10] inet6_addr_add+0x30e/0xa40 [ 1664.529429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.529429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.529429][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.529429][ T10] netlink_unicast+0x449/0x710 [ 1664.529429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.529429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.529429][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.529429][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.529429][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.529429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.529429][ T10] [ 1664.531668][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1664.531668][ T10] netdev_get_by_index+0x5e/0x80 [ 1664.531668][ T10] fib6_nh_init+0x3d8/0x1580 [ 1664.531668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1664.531668][ T10] ip6_route_add+0x1c/0x140 [ 1664.531668][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1664.531668][ T10] addrconf_add_dev+0xe2/0x170 [ 1664.531668][ T10] inet6_addr_add+0x12f/0xa40 [ 1664.531668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1664.531668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.531668][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.531668][ T10] netlink_unicast+0x449/0x710 [ 1664.531668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.531668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.531668][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.531668][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.531668][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.531668][ T10] [ 1664.533867][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1664.533867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1664.533867][ T10] ipv6_find_idev+0x102/0x170 [ 1664.533867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.533867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.533867][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.533867][ T10] netlink_unicast+0x449/0x710 [ 1664.533867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.533867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.533867][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.533867][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.533867][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.533867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.533867][ T10] [ 1664.535612][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1664.535612][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1664.535612][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1664.535612][ T10] ipv6_find_idev+0x102/0x170 [ 1664.535612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1664.535612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.535612][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.535612][ T10] netlink_unicast+0x449/0x710 [ 1664.535612][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.535612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.535612][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.535612][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.535612][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.535612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.535612][ T10] [ 1664.537507][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1664.537774][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1664.537774][ T10] vlan_dev_init+0x97c/0xdd0 [ 1664.537774][ T10] register_netdevice+0x4d3/0x1690 [ 1664.537774][ T10] register_vlan_dev+0x162/0x4a0 [ 1664.537774][ T10] vlan_newlink+0x393/0x610 [ 1664.537774][ T10] rtnl_newlink_create+0x341/0x850 [ 1664.537774][ T10] __rtnl_newlink+0xac9/0xd80 [ 1664.537774][ T10] rtnl_newlink+0x63/0xa0 [ 1664.537774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1664.537774][ T10] netlink_rcv_skb+0x130/0x360 [ 1664.537774][ T10] netlink_unicast+0x449/0x710 [ 1664.537774][ T10] netlink_sendmsg+0x723/0xbe0 [ 1664.537774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1664.537774][ T10] ___sys_sendmsg+0xee/0x170 [ 1664.537774][ T10] __sys_sendmsg+0xcd/0x170 [ 1664.537774][ T10] do_syscall_64+0xc6/0x1e0 [ 1664.537774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1664.537774][ T10] [ 1674.780041][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1674.780460][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1674.780460][ T10] netdev_get_by_index+0x5e/0x80 [ 1674.780460][ T10] fib6_nh_init+0x3d8/0x1580 [ 1674.780460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1674.780460][ T10] ip6_route_add+0x1c/0x140 [ 1674.780460][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1674.780460][ T10] inet6_addr_add+0x4f8/0xa40 [ 1674.780460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.780460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.780460][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.780460][ T10] netlink_unicast+0x449/0x710 [ 1674.780460][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.780460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.780460][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.780460][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.780460][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.780460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.780460][ T10] [ 1674.782713][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1674.782713][ T10] netdev_get_by_index+0x5e/0x80 [ 1674.782713][ T10] fib6_nh_init+0x3d8/0x1580 [ 1674.782713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1674.782713][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1674.782713][ T10] ipv6_add_addr+0x411/0x2000 [ 1674.782713][ T10] inet6_addr_add+0x30e/0xa40 [ 1674.782713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.782713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.782713][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.782713][ T10] netlink_unicast+0x449/0x710 [ 1674.782713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.782713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.782713][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.782713][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.782713][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.782713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.782713][ T10] [ 1674.784954][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1674.784954][ T10] netdev_get_by_index+0x5e/0x80 [ 1674.784954][ T10] fib6_nh_init+0x3d8/0x1580 [ 1674.784954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1674.784954][ T10] ip6_route_add+0x1c/0x140 [ 1674.784954][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1674.784954][ T10] addrconf_add_dev+0xe2/0x170 [ 1674.784954][ T10] inet6_addr_add+0x12f/0xa40 [ 1674.784954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.784954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.784954][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.784954][ T10] netlink_unicast+0x449/0x710 [ 1674.784954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.784954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.784954][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.784954][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.784954][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.784954][ T10] [ 1674.787162][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1674.787162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1674.787162][ T10] ipv6_find_idev+0x102/0x170 [ 1674.787162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.787162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.787162][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.787162][ T10] netlink_unicast+0x449/0x710 [ 1674.787162][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.787162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.787162][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.787162][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.787162][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.787162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.787162][ T10] [ 1674.788881][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1674.788881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1674.788881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1674.788881][ T10] ipv6_find_idev+0x102/0x170 [ 1674.788881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.788881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.788881][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.788881][ T10] netlink_unicast+0x449/0x710 [ 1674.788881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.788881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.788881][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.788881][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.788881][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.788881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.788881][ T10] [ 1674.790791][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1674.791108][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1674.791108][ T10] netdev_get_by_index+0x5e/0x80 [ 1674.791108][ T10] fib6_nh_init+0x3d8/0x1580 [ 1674.791108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1674.791108][ T10] ip6_route_add+0x1c/0x140 [ 1674.791108][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1674.791108][ T10] inet6_addr_add+0x4f8/0xa40 [ 1674.791108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.791108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.791108][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.791108][ T10] netlink_unicast+0x449/0x710 [ 1674.791108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.791108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.791108][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.791108][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.791108][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.791108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.791108][ T10] [ 1674.793372][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1674.793372][ T10] netdev_get_by_index+0x5e/0x80 [ 1674.793372][ T10] fib6_nh_init+0x3d8/0x1580 [ 1674.793372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1674.793372][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1674.793372][ T10] ipv6_add_addr+0x411/0x2000 [ 1674.793372][ T10] inet6_addr_add+0x30e/0xa40 [ 1674.793372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.793372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.793372][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.793372][ T10] netlink_unicast+0x449/0x710 [ 1674.793372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.793372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.793372][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.793372][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.793372][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.793372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.793372][ T10] [ 1674.795621][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1674.795621][ T10] netdev_get_by_index+0x5e/0x80 [ 1674.795621][ T10] fib6_nh_init+0x3d8/0x1580 [ 1674.795621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1674.795621][ T10] ip6_route_add+0x1c/0x140 [ 1674.795621][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1674.795621][ T10] addrconf_add_dev+0xe2/0x170 [ 1674.795621][ T10] inet6_addr_add+0x12f/0xa40 [ 1674.795621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1674.795621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.795621][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.795621][ T10] netlink_unicast+0x449/0x710 [ 1674.795621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.795621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.795621][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.795621][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.795621][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.795621][ T10] [ 1674.797826][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1674.797826][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1674.797826][ T10] ipv6_find_idev+0x102/0x170 [ 1674.797826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.797826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.797826][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.797826][ T10] netlink_unicast+0x449/0x710 [ 1674.797826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.797826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.797826][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.797826][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.797826][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.797826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.797826][ T10] [ 1674.799557][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1674.799557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1674.799557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1674.799557][ T10] ipv6_find_idev+0x102/0x170 [ 1674.799557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1674.799557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.799557][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.799557][ T10] netlink_unicast+0x449/0x710 [ 1674.799557][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.799557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.799557][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.799557][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.799557][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.799557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.799557][ T10] [ 1674.801458][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1674.801722][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1674.801722][ T10] vlan_dev_init+0x97c/0xdd0 [ 1674.801722][ T10] register_netdevice+0x4d3/0x1690 [ 1674.801722][ T10] register_vlan_dev+0x162/0x4a0 [ 1674.801722][ T10] vlan_newlink+0x393/0x610 [ 1674.801722][ T10] rtnl_newlink_create+0x341/0x850 [ 1674.801722][ T10] __rtnl_newlink+0xac9/0xd80 [ 1674.801722][ T10] rtnl_newlink+0x63/0xa0 [ 1674.801722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1674.801722][ T10] netlink_rcv_skb+0x130/0x360 [ 1674.801722][ T10] netlink_unicast+0x449/0x710 [ 1674.801722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1674.801722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1674.801722][ T10] ___sys_sendmsg+0xee/0x170 [ 1674.801722][ T10] __sys_sendmsg+0xcd/0x170 [ 1674.801722][ T10] do_syscall_64+0xc6/0x1e0 [ 1674.801722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1674.801722][ T10] [ 1685.043996][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1685.044488][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1685.044488][ T10] netdev_get_by_index+0x5e/0x80 [ 1685.044488][ T10] fib6_nh_init+0x3d8/0x1580 [ 1685.044488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1685.044488][ T10] ip6_route_add+0x1c/0x140 [ 1685.044488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1685.044488][ T10] inet6_addr_add+0x4f8/0xa40 [ 1685.044488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.044488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.044488][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.044488][ T10] netlink_unicast+0x449/0x710 [ 1685.044488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.044488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.044488][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.044488][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.044488][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.044488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.044488][ T10] [ 1685.046754][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1685.046754][ T10] netdev_get_by_index+0x5e/0x80 [ 1685.046754][ T10] fib6_nh_init+0x3d8/0x1580 [ 1685.046754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1685.046754][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1685.046754][ T10] ipv6_add_addr+0x411/0x2000 [ 1685.046754][ T10] inet6_addr_add+0x30e/0xa40 [ 1685.046754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.046754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.046754][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.046754][ T10] netlink_unicast+0x449/0x710 [ 1685.046754][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.046754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.046754][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.046754][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.046754][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.046754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.046754][ T10] [ 1685.049005][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1685.049005][ T10] netdev_get_by_index+0x5e/0x80 [ 1685.049005][ T10] fib6_nh_init+0x3d8/0x1580 [ 1685.049005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1685.049005][ T10] ip6_route_add+0x1c/0x140 [ 1685.049005][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1685.049005][ T10] addrconf_add_dev+0xe2/0x170 [ 1685.049005][ T10] inet6_addr_add+0x12f/0xa40 [ 1685.049005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.049005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.049005][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.049005][ T10] netlink_unicast+0x449/0x710 [ 1685.049005][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.049005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.049005][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.049005][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.049005][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.049005][ T10] [ 1685.051232][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1685.051232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1685.051232][ T10] ipv6_find_idev+0x102/0x170 [ 1685.051232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.051232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.051232][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.051232][ T10] netlink_unicast+0x449/0x710 [ 1685.051232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.051232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.051232][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.051232][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.051232][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.051232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.051232][ T10] [ 1685.052948][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1685.052948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1685.052948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1685.052948][ T10] ipv6_find_idev+0x102/0x170 [ 1685.052948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.052948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.052948][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.052948][ T10] netlink_unicast+0x449/0x710 [ 1685.052948][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.052948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.052948][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.052948][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.052948][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.052948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.052948][ T10] [ 1685.054852][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1685.055182][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1685.055182][ T10] netdev_get_by_index+0x5e/0x80 [ 1685.055182][ T10] fib6_nh_init+0x3d8/0x1580 [ 1685.055182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1685.055182][ T10] ip6_route_add+0x1c/0x140 [ 1685.055182][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1685.055182][ T10] inet6_addr_add+0x4f8/0xa40 [ 1685.055182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.055182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.055182][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.055182][ T10] netlink_unicast+0x449/0x710 [ 1685.055182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.055182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.055182][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.055182][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.055182][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.055182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.055182][ T10] [ 1685.057419][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1685.057419][ T10] netdev_get_by_index+0x5e/0x80 [ 1685.057419][ T10] fib6_nh_init+0x3d8/0x1580 [ 1685.057419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1685.057419][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1685.057419][ T10] ipv6_add_addr+0x411/0x2000 [ 1685.057419][ T10] inet6_addr_add+0x30e/0xa40 [ 1685.057419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.057419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.057419][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.057419][ T10] netlink_unicast+0x449/0x710 [ 1685.057419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.057419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.057419][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.057419][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.057419][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.057419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.057419][ T10] [ 1685.059643][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1685.059643][ T10] netdev_get_by_index+0x5e/0x80 [ 1685.059643][ T10] fib6_nh_init+0x3d8/0x1580 [ 1685.059643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1685.059643][ T10] ip6_route_add+0x1c/0x140 [ 1685.059643][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1685.059643][ T10] addrconf_add_dev+0xe2/0x170 [ 1685.059643][ T10] inet6_addr_add+0x12f/0xa40 [ 1685.059643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1685.059643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.059643][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.059643][ T10] netlink_unicast+0x449/0x710 [ 1685.059643][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.059643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.059643][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.059643][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.059643][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.059643][ T10] [ 1685.061850][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1685.061850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1685.061850][ T10] ipv6_find_idev+0x102/0x170 [ 1685.061850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.061850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.061850][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.061850][ T10] netlink_unicast+0x449/0x710 [ 1685.061850][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.061850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.061850][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.061850][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.061850][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.061850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.061850][ T10] [ 1685.063570][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1685.063570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1685.063570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1685.063570][ T10] ipv6_find_idev+0x102/0x170 [ 1685.063570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1685.063570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.063570][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.063570][ T10] netlink_unicast+0x449/0x710 [ 1685.063570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.063570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.063570][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.063570][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.063570][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.063570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.063570][ T10] [ 1685.065443][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1685.065703][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1685.065703][ T10] vlan_dev_init+0x97c/0xdd0 [ 1685.065703][ T10] register_netdevice+0x4d3/0x1690 [ 1685.065703][ T10] register_vlan_dev+0x162/0x4a0 [ 1685.065703][ T10] vlan_newlink+0x393/0x610 [ 1685.065703][ T10] rtnl_newlink_create+0x341/0x850 [ 1685.065703][ T10] __rtnl_newlink+0xac9/0xd80 [ 1685.065703][ T10] rtnl_newlink+0x63/0xa0 [ 1685.065703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1685.065703][ T10] netlink_rcv_skb+0x130/0x360 [ 1685.065703][ T10] netlink_unicast+0x449/0x710 [ 1685.065703][ T10] netlink_sendmsg+0x723/0xbe0 [ 1685.065703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1685.065703][ T10] ___sys_sendmsg+0xee/0x170 [ 1685.065703][ T10] __sys_sendmsg+0xcd/0x170 [ 1685.065703][ T10] do_syscall_64+0xc6/0x1e0 [ 1685.065703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1685.065703][ T10] [ 1695.308003][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1695.308422][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1695.308422][ T10] netdev_get_by_index+0x5e/0x80 [ 1695.308422][ T10] fib6_nh_init+0x3d8/0x1580 [ 1695.308422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1695.308422][ T10] ip6_route_add+0x1c/0x140 [ 1695.308422][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1695.308422][ T10] inet6_addr_add+0x4f8/0xa40 [ 1695.308422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.308422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.308422][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.308422][ T10] netlink_unicast+0x449/0x710 [ 1695.308422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.308422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.308422][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.308422][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.308422][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.308422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.308422][ T10] [ 1695.310695][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1695.310695][ T10] netdev_get_by_index+0x5e/0x80 [ 1695.310695][ T10] fib6_nh_init+0x3d8/0x1580 [ 1695.310695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1695.310695][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1695.310695][ T10] ipv6_add_addr+0x411/0x2000 [ 1695.310695][ T10] inet6_addr_add+0x30e/0xa40 [ 1695.310695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.310695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.310695][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.310695][ T10] netlink_unicast+0x449/0x710 [ 1695.310695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.310695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.310695][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.310695][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.310695][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.310695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.310695][ T10] [ 1695.312945][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1695.312945][ T10] netdev_get_by_index+0x5e/0x80 [ 1695.312945][ T10] fib6_nh_init+0x3d8/0x1580 [ 1695.312945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1695.312945][ T10] ip6_route_add+0x1c/0x140 [ 1695.312945][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1695.312945][ T10] addrconf_add_dev+0xe2/0x170 [ 1695.312945][ T10] inet6_addr_add+0x12f/0xa40 [ 1695.312945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.312945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.312945][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.312945][ T10] netlink_unicast+0x449/0x710 [ 1695.312945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.312945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.312945][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.312945][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.312945][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.312945][ T10] [ 1695.315169][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1695.315169][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1695.315169][ T10] ipv6_find_idev+0x102/0x170 [ 1695.315169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.315169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.315169][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.315169][ T10] netlink_unicast+0x449/0x710 [ 1695.315169][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.315169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.315169][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.315169][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.315169][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.315169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.315169][ T10] [ 1695.316914][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1695.316914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1695.316914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1695.316914][ T10] ipv6_find_idev+0x102/0x170 [ 1695.316914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.316914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.316914][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.316914][ T10] netlink_unicast+0x449/0x710 [ 1695.316914][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.316914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.316914][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.316914][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.316914][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.316914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.316914][ T10] [ 1695.318826][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1695.319142][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1695.319142][ T10] netdev_get_by_index+0x5e/0x80 [ 1695.319142][ T10] fib6_nh_init+0x3d8/0x1580 [ 1695.319142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1695.319142][ T10] ip6_route_add+0x1c/0x140 [ 1695.319142][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1695.319142][ T10] inet6_addr_add+0x4f8/0xa40 [ 1695.319142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.319142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.319142][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.319142][ T10] netlink_unicast+0x449/0x710 [ 1695.319142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.319142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.319142][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.319142][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.319142][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.319142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.319142][ T10] [ 1695.321396][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1695.321396][ T10] netdev_get_by_index+0x5e/0x80 [ 1695.321396][ T10] fib6_nh_init+0x3d8/0x1580 [ 1695.321396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1695.321396][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1695.321396][ T10] ipv6_add_addr+0x411/0x2000 [ 1695.321396][ T10] inet6_addr_add+0x30e/0xa40 [ 1695.321396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.321396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.321396][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.321396][ T10] netlink_unicast+0x449/0x710 [ 1695.321396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.321396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.321396][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.321396][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.321396][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.321396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.321396][ T10] [ 1695.323647][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1695.323647][ T10] netdev_get_by_index+0x5e/0x80 [ 1695.323647][ T10] fib6_nh_init+0x3d8/0x1580 [ 1695.323647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1695.323647][ T10] ip6_route_add+0x1c/0x140 [ 1695.323647][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1695.323647][ T10] addrconf_add_dev+0xe2/0x170 [ 1695.323647][ T10] inet6_addr_add+0x12f/0xa40 [ 1695.323647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1695.323647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.323647][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.323647][ T10] netlink_unicast+0x449/0x710 [ 1695.323647][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.323647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.323647][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.323647][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.323647][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.323647][ T10] [ 1695.325864][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1695.325864][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1695.325864][ T10] ipv6_find_idev+0x102/0x170 [ 1695.325864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.325864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.325864][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.325864][ T10] netlink_unicast+0x449/0x710 [ 1695.325864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.325864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.325864][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.325864][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.325864][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.325864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.325864][ T10] [ 1695.327595][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1695.327595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1695.327595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1695.327595][ T10] ipv6_find_idev+0x102/0x170 [ 1695.327595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1695.327595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.327595][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.327595][ T10] netlink_unicast+0x449/0x710 [ 1695.327595][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.327595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.327595][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.327595][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.327595][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.327595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.327595][ T10] [ 1695.329497][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1695.329768][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1695.329768][ T10] vlan_dev_init+0x97c/0xdd0 [ 1695.329768][ T10] register_netdevice+0x4d3/0x1690 [ 1695.329768][ T10] register_vlan_dev+0x162/0x4a0 [ 1695.329768][ T10] vlan_newlink+0x393/0x610 [ 1695.329768][ T10] rtnl_newlink_create+0x341/0x850 [ 1695.329768][ T10] __rtnl_newlink+0xac9/0xd80 [ 1695.329768][ T10] rtnl_newlink+0x63/0xa0 [ 1695.329768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1695.329768][ T10] netlink_rcv_skb+0x130/0x360 [ 1695.329768][ T10] netlink_unicast+0x449/0x710 [ 1695.329768][ T10] netlink_sendmsg+0x723/0xbe0 [ 1695.329768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1695.329768][ T10] ___sys_sendmsg+0xee/0x170 [ 1695.329768][ T10] __sys_sendmsg+0xcd/0x170 [ 1695.329768][ T10] do_syscall_64+0xc6/0x1e0 [ 1695.329768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1695.329768][ T10] [ 1705.348004][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1705.348488][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1705.348488][ T10] netdev_get_by_index+0x5e/0x80 [ 1705.348488][ T10] fib6_nh_init+0x3d8/0x1580 [ 1705.348488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1705.348488][ T10] ip6_route_add+0x1c/0x140 [ 1705.348488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1705.348488][ T10] inet6_addr_add+0x4f8/0xa40 [ 1705.348488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.348488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.348488][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.348488][ T10] netlink_unicast+0x449/0x710 [ 1705.348488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.348488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.348488][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.348488][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.348488][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.348488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.348488][ T10] [ 1705.350744][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1705.350744][ T10] netdev_get_by_index+0x5e/0x80 [ 1705.350744][ T10] fib6_nh_init+0x3d8/0x1580 [ 1705.350744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1705.350744][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1705.350744][ T10] ipv6_add_addr+0x411/0x2000 [ 1705.350744][ T10] inet6_addr_add+0x30e/0xa40 [ 1705.350744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.350744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.350744][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.350744][ T10] netlink_unicast+0x449/0x710 [ 1705.350744][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.350744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.350744][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.350744][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.350744][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.350744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.350744][ T10] [ 1705.352984][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1705.352984][ T10] netdev_get_by_index+0x5e/0x80 [ 1705.352984][ T10] fib6_nh_init+0x3d8/0x1580 [ 1705.352984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1705.352984][ T10] ip6_route_add+0x1c/0x140 [ 1705.352984][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1705.352984][ T10] addrconf_add_dev+0xe2/0x170 [ 1705.352984][ T10] inet6_addr_add+0x12f/0xa40 [ 1705.352984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.352984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.352984][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.352984][ T10] netlink_unicast+0x449/0x710 [ 1705.352984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.352984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.352984][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.352984][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.352984][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.352984][ T10] [ 1705.355205][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1705.355205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1705.355205][ T10] ipv6_find_idev+0x102/0x170 [ 1705.355205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.355205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.355205][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.355205][ T10] netlink_unicast+0x449/0x710 [ 1705.355205][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.355205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.355205][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.355205][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.355205][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.355205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.355205][ T10] [ 1705.356940][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1705.356940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1705.356940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1705.356940][ T10] ipv6_find_idev+0x102/0x170 [ 1705.356940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.356940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.356940][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.356940][ T10] netlink_unicast+0x449/0x710 [ 1705.356940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.356940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.356940][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.356940][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.356940][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.356940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.356940][ T10] [ 1705.358860][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1705.359175][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1705.359175][ T10] netdev_get_by_index+0x5e/0x80 [ 1705.359175][ T10] fib6_nh_init+0x3d8/0x1580 [ 1705.359175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1705.359175][ T10] ip6_route_add+0x1c/0x140 [ 1705.359175][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1705.359175][ T10] inet6_addr_add+0x4f8/0xa40 [ 1705.359175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.359175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.359175][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.359175][ T10] netlink_unicast+0x449/0x710 [ 1705.359175][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.359175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.359175][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.359175][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.359175][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.359175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.359175][ T10] [ 1705.361407][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1705.361407][ T10] netdev_get_by_index+0x5e/0x80 [ 1705.361407][ T10] fib6_nh_init+0x3d8/0x1580 [ 1705.361407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1705.361407][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1705.361407][ T10] ipv6_add_addr+0x411/0x2000 [ 1705.361407][ T10] inet6_addr_add+0x30e/0xa40 [ 1705.361407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.361407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.361407][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.361407][ T10] netlink_unicast+0x449/0x710 [ 1705.361407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.361407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.361407][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.361407][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.361407][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.361407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.361407][ T10] [ 1705.363637][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1705.363637][ T10] netdev_get_by_index+0x5e/0x80 [ 1705.363637][ T10] fib6_nh_init+0x3d8/0x1580 [ 1705.363637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1705.363637][ T10] ip6_route_add+0x1c/0x140 [ 1705.363637][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1705.363637][ T10] addrconf_add_dev+0xe2/0x170 [ 1705.363637][ T10] inet6_addr_add+0x12f/0xa40 [ 1705.363637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1705.363637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.363637][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.363637][ T10] netlink_unicast+0x449/0x710 [ 1705.363637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.363637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.363637][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.363637][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.363637][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.363637][ T10] [ 1705.365850][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1705.365850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1705.365850][ T10] ipv6_find_idev+0x102/0x170 [ 1705.365850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.365850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.365850][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.365850][ T10] netlink_unicast+0x449/0x710 [ 1705.365850][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.365850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.365850][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.365850][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.365850][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.365850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.365850][ T10] [ 1705.367582][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1705.367582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1705.367582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1705.367582][ T10] ipv6_find_idev+0x102/0x170 [ 1705.367582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1705.367582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.367582][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.367582][ T10] netlink_unicast+0x449/0x710 [ 1705.367582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.367582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.367582][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.367582][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.367582][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.367582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.367582][ T10] [ 1705.369461][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1705.369725][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1705.369725][ T10] vlan_dev_init+0x97c/0xdd0 [ 1705.369725][ T10] register_netdevice+0x4d3/0x1690 [ 1705.369725][ T10] register_vlan_dev+0x162/0x4a0 [ 1705.369725][ T10] vlan_newlink+0x393/0x610 [ 1705.369725][ T10] rtnl_newlink_create+0x341/0x850 [ 1705.369725][ T10] __rtnl_newlink+0xac9/0xd80 [ 1705.369725][ T10] rtnl_newlink+0x63/0xa0 [ 1705.369725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1705.369725][ T10] netlink_rcv_skb+0x130/0x360 [ 1705.369725][ T10] netlink_unicast+0x449/0x710 [ 1705.369725][ T10] netlink_sendmsg+0x723/0xbe0 [ 1705.369725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1705.369725][ T10] ___sys_sendmsg+0xee/0x170 [ 1705.369725][ T10] __sys_sendmsg+0xcd/0x170 [ 1705.369725][ T10] do_syscall_64+0xc6/0x1e0 [ 1705.369725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1705.369725][ T10] [ 1715.611993][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1715.612473][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1715.612473][ T10] netdev_get_by_index+0x5e/0x80 [ 1715.612473][ T10] fib6_nh_init+0x3d8/0x1580 [ 1715.612473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1715.612473][ T10] ip6_route_add+0x1c/0x140 [ 1715.612473][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1715.612473][ T10] inet6_addr_add+0x4f8/0xa40 [ 1715.612473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.612473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.612473][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.612473][ T10] netlink_unicast+0x449/0x710 [ 1715.612473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.612473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.612473][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.612473][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.612473][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.612473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.612473][ T10] [ 1715.614737][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1715.614737][ T10] netdev_get_by_index+0x5e/0x80 [ 1715.614737][ T10] fib6_nh_init+0x3d8/0x1580 [ 1715.614737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1715.614737][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1715.614737][ T10] ipv6_add_addr+0x411/0x2000 [ 1715.614737][ T10] inet6_addr_add+0x30e/0xa40 [ 1715.614737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.614737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.614737][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.614737][ T10] netlink_unicast+0x449/0x710 [ 1715.614737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.614737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.614737][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.614737][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.614737][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.614737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.614737][ T10] [ 1715.616975][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1715.616975][ T10] netdev_get_by_index+0x5e/0x80 [ 1715.616975][ T10] fib6_nh_init+0x3d8/0x1580 [ 1715.616975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1715.616975][ T10] ip6_route_add+0x1c/0x140 [ 1715.616975][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1715.616975][ T10] addrconf_add_dev+0xe2/0x170 [ 1715.616975][ T10] inet6_addr_add+0x12f/0xa40 [ 1715.616975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.616975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.616975][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.616975][ T10] netlink_unicast+0x449/0x710 [ 1715.616975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.616975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.616975][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.616975][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.616975][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.616975][ T10] [ 1715.619183][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1715.619183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1715.619183][ T10] ipv6_find_idev+0x102/0x170 [ 1715.619183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.619183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.619183][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.619183][ T10] netlink_unicast+0x449/0x710 [ 1715.619183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.619183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.619183][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.619183][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.619183][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.619183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.619183][ T10] [ 1715.620913][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1715.620913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1715.620913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1715.620913][ T10] ipv6_find_idev+0x102/0x170 [ 1715.620913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.620913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.620913][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.620913][ T10] netlink_unicast+0x449/0x710 [ 1715.620913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.620913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.620913][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.620913][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.620913][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.620913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.620913][ T10] [ 1715.622813][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1715.623126][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1715.623126][ T10] netdev_get_by_index+0x5e/0x80 [ 1715.623126][ T10] fib6_nh_init+0x3d8/0x1580 [ 1715.623126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1715.623126][ T10] ip6_route_add+0x1c/0x140 [ 1715.623126][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1715.623126][ T10] inet6_addr_add+0x4f8/0xa40 [ 1715.623126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.623126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.623126][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.623126][ T10] netlink_unicast+0x449/0x710 [ 1715.623126][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.623126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.623126][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.623126][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.623126][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.623126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.623126][ T10] [ 1715.626009][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1715.626009][ T10] netdev_get_by_index+0x5e/0x80 [ 1715.626009][ T10] fib6_nh_init+0x3d8/0x1580 [ 1715.626009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1715.626009][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1715.626009][ T10] ipv6_add_addr+0x411/0x2000 [ 1715.626009][ T10] inet6_addr_add+0x30e/0xa40 [ 1715.626009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.626009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.626009][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.626009][ T10] netlink_unicast+0x449/0x710 [ 1715.626009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.626009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.626009][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.626009][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.626009][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.626009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.626009][ T10] [ 1715.628241][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1715.628241][ T10] netdev_get_by_index+0x5e/0x80 [ 1715.628241][ T10] fib6_nh_init+0x3d8/0x1580 [ 1715.628241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1715.628241][ T10] ip6_route_add+0x1c/0x140 [ 1715.628241][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1715.628241][ T10] addrconf_add_dev+0xe2/0x170 [ 1715.628241][ T10] inet6_addr_add+0x12f/0xa40 [ 1715.628241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1715.628241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.628241][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.628241][ T10] netlink_unicast+0x449/0x710 [ 1715.628241][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.628241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.628241][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.628241][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.628241][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.628241][ T10] [ 1715.630447][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1715.630447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1715.630447][ T10] ipv6_find_idev+0x102/0x170 [ 1715.630447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.630447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.630447][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.630447][ T10] netlink_unicast+0x449/0x710 [ 1715.630447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.630447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.630447][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.630447][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.630447][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.630447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.630447][ T10] [ 1715.632183][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1715.632183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1715.632183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1715.632183][ T10] ipv6_find_idev+0x102/0x170 [ 1715.632183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1715.632183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.632183][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.632183][ T10] netlink_unicast+0x449/0x710 [ 1715.632183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.632183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.632183][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.632183][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.632183][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.632183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.632183][ T10] [ 1715.634077][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1715.634356][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1715.634356][ T10] vlan_dev_init+0x97c/0xdd0 [ 1715.634356][ T10] register_netdevice+0x4d3/0x1690 [ 1715.634356][ T10] register_vlan_dev+0x162/0x4a0 [ 1715.634356][ T10] vlan_newlink+0x393/0x610 [ 1715.634356][ T10] rtnl_newlink_create+0x341/0x850 [ 1715.634356][ T10] __rtnl_newlink+0xac9/0xd80 [ 1715.634356][ T10] rtnl_newlink+0x63/0xa0 [ 1715.634356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1715.634356][ T10] netlink_rcv_skb+0x130/0x360 [ 1715.634356][ T10] netlink_unicast+0x449/0x710 [ 1715.634356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1715.634356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1715.634356][ T10] ___sys_sendmsg+0xee/0x170 [ 1715.634356][ T10] __sys_sendmsg+0xcd/0x170 [ 1715.634356][ T10] do_syscall_64+0xc6/0x1e0 [ 1715.634356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1715.634356][ T10] [ 1721.644016][ T42] INFO: task modprobe:3829 blocked for more than 1228 seconds. [ 1721.644311][ T42] Not tainted 6.8.0-virtme #1 [ 1721.644446][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1721.644670][ T42] task:modprobe state:D stack:25648 pid:3829 tgid:3829 ppid:59 flags:0x00004002 [ 1721.644964][ T42] Call Trace: [ 1721.645068][ T42] [ 1721.645144][ T42] __schedule+0x705/0x1ac0 [ 1721.645297][ T42] ? __pfx___schedule+0x10/0x10 [ 1721.645435][ T42] ? schedule+0x1a5/0x210 [ 1721.645541][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1721.645682][ T42] ? mark_lock+0x38/0x3e0 [ 1721.645786][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1721.645935][ T42] ? schedule+0x1a5/0x210 [ 1721.646042][ T42] schedule+0xdf/0x210 [ 1721.646148][ T42] schedule_preempt_disabled+0x15/0x30 [ 1721.646285][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1721.646428][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1721.646594][ T42] ? kasan_save_stack+0x34/0x50 [ 1721.646731][ T42] ? kasan_save_stack+0x24/0x50 [ 1721.646865][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1721.647014][ T42] ? lock_acquire+0x1c1/0x220 [ 1721.647151][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1721.647296][ T42] down_write+0x1c9/0x200 [ 1721.647399][ T42] ? __pfx_down_write+0x10/0x10 [ 1721.647536][ T42] ? __pfx___lock_release+0x10/0x10 [ 1721.647675][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1721.647894][ T42] register_pernet_subsys+0x1a/0x50 [ 1721.648032][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1721.648229][ T42] do_one_initcall+0xc8/0x3f0 [ 1721.648368][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1721.648511][ T42] ? __create_object+0x5e/0xb0 [ 1721.648653][ T42] ? kasan_unpoison+0x27/0x60 [ 1721.648793][ T42] do_init_module+0x233/0x740 [ 1721.648959][ T42] load_module+0x16b5/0x2350 [ 1721.649107][ T42] ? __pfx_load_module+0x10/0x10 [ 1721.649247][ T42] ? kernel_read_file+0x3d2/0x520 [ 1721.649385][ T42] ? kernel_read_file+0x300/0x520 [ 1721.649523][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1721.649664][ T42] ? init_module_from_file+0xd2/0x130 [ 1721.649802][ T42] init_module_from_file+0xd2/0x130 [ 1721.649946][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1721.650114][ T42] ? __lock_release+0x103/0x460 [ 1721.650251][ T42] ? idempotent_init_module+0x32a/0x620 [ 1721.650396][ T42] ? idempotent_init_module+0x32a/0x620 [ 1721.650530][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1721.650670][ T42] idempotent_init_module+0x342/0x620 [ 1721.650809][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1721.651018][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1721.651155][ T42] do_syscall_64+0xc6/0x1e0 [ 1721.651296][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.651462][ T42] RIP: 0033:0x7fab981a1e5d [ 1721.651603][ T42] RSP: 002b:00007ffe70d7a428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1721.651804][ T42] RAX: ffffffffffffffda RBX: 0000555e1943ce90 RCX: 00007fab981a1e5d [ 1721.652015][ T42] RDX: 0000000000000000 RSI: 0000555deb69da2a RDI: 0000000000000001 [ 1721.652216][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000555e1943d4f0 [ 1721.652417][ T42] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555deb69da2a [ 1721.652618][ T42] R13: 0000555e1943ce40 R14: 0000555e1943d570 R15: 0000000000000000 [ 1721.652834][ T42] [ 1721.652955][ T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1721.653187][ T42] [ 1721.653187][ T42] Showing all locks held in the system: [ 1721.653384][ T42] 3 locks held by kworker/u16:0/10: [ 1721.653515][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1721.653788][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1721.654036][ T42] #2: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 1721.654288][ T42] 1 lock held by khungtaskd/42: [ 1721.654424][ T42] #0: ffffffffb5b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1721.654663][ T42] 2 locks held by kworker/u18:1/59: [ 1721.654791][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1721.655074][ T42] #1: ffffc90000407da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1721.655374][ T42] 1 lock held by modprobe/3829: [ 1721.655502][ T42] #0: ffffffffb636a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1721.655769][ T42] [ 1721.655840][ T42] ============================================= [ 1721.655840][ T42] [ 1725.876030][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1725.876922][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1725.876922][ T10] netdev_get_by_index+0x5e/0x80 [ 1725.876922][ T10] fib6_nh_init+0x3d8/0x1580 [ 1725.876922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1725.876922][ T10] ip6_route_add+0x1c/0x140 [ 1725.876922][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1725.876922][ T10] inet6_addr_add+0x4f8/0xa40 [ 1725.876922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.876922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.876922][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.876922][ T10] netlink_unicast+0x449/0x710 [ 1725.876922][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.876922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.876922][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.876922][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.876922][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.876922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.876922][ T10] [ 1725.879121][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1725.879121][ T10] netdev_get_by_index+0x5e/0x80 [ 1725.879121][ T10] fib6_nh_init+0x3d8/0x1580 [ 1725.879121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1725.879121][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1725.879121][ T10] ipv6_add_addr+0x411/0x2000 [ 1725.879121][ T10] inet6_addr_add+0x30e/0xa40 [ 1725.879121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.879121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.879121][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.879121][ T10] netlink_unicast+0x449/0x710 [ 1725.879121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.879121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.879121][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.879121][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.879121][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.879121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.879121][ T10] [ 1725.881309][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1725.881309][ T10] netdev_get_by_index+0x5e/0x80 [ 1725.881309][ T10] fib6_nh_init+0x3d8/0x1580 [ 1725.881309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1725.881309][ T10] ip6_route_add+0x1c/0x140 [ 1725.881309][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1725.881309][ T10] addrconf_add_dev+0xe2/0x170 [ 1725.881309][ T10] inet6_addr_add+0x12f/0xa40 [ 1725.881309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.881309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.881309][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.881309][ T10] netlink_unicast+0x449/0x710 [ 1725.881309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.881309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.881309][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.881309][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.881309][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.881309][ T10] [ 1725.883472][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1725.883472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1725.883472][ T10] ipv6_find_idev+0x102/0x170 [ 1725.883472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.883472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.883472][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.883472][ T10] netlink_unicast+0x449/0x710 [ 1725.883472][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.883472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.883472][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.883472][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.883472][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.883472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.883472][ T10] [ 1725.885161][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1725.885161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1725.885161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1725.885161][ T10] ipv6_find_idev+0x102/0x170 [ 1725.885161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.885161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.885161][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.885161][ T10] netlink_unicast+0x449/0x710 [ 1725.885161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.885161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.885161][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.885161][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.885161][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.885161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.885161][ T10] [ 1725.887015][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1725.887307][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1725.887307][ T10] netdev_get_by_index+0x5e/0x80 [ 1725.887307][ T10] fib6_nh_init+0x3d8/0x1580 [ 1725.887307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1725.887307][ T10] ip6_route_add+0x1c/0x140 [ 1725.887307][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1725.887307][ T10] inet6_addr_add+0x4f8/0xa40 [ 1725.887307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.887307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.887307][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.887307][ T10] netlink_unicast+0x449/0x710 [ 1725.887307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.887307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.887307][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.887307][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.887307][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.887307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.887307][ T10] [ 1725.889515][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1725.889515][ T10] netdev_get_by_index+0x5e/0x80 [ 1725.889515][ T10] fib6_nh_init+0x3d8/0x1580 [ 1725.889515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1725.889515][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1725.889515][ T10] ipv6_add_addr+0x411/0x2000 [ 1725.889515][ T10] inet6_addr_add+0x30e/0xa40 [ 1725.889515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.889515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.889515][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.889515][ T10] netlink_unicast+0x449/0x710 [ 1725.889515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.889515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.889515][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.889515][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.889515][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.889515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.889515][ T10] [ 1725.891713][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1725.891713][ T10] netdev_get_by_index+0x5e/0x80 [ 1725.891713][ T10] fib6_nh_init+0x3d8/0x1580 [ 1725.891713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1725.891713][ T10] ip6_route_add+0x1c/0x140 [ 1725.891713][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1725.891713][ T10] addrconf_add_dev+0xe2/0x170 [ 1725.891713][ T10] inet6_addr_add+0x12f/0xa40 [ 1725.891713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.891713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.891713][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.891713][ T10] netlink_unicast+0x449/0x710 [ 1725.891713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.891713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.891713][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.891713][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.891713][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.891713][ T10] [ 1725.893851][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1725.893851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1725.893851][ T10] ipv6_find_idev+0x102/0x170 [ 1725.893851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.893851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.893851][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.893851][ T10] netlink_unicast+0x449/0x710 [ 1725.893851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.893851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.893851][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.893851][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.893851][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.893851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.893851][ T10] [ 1725.895532][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1725.895532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1725.895532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1725.895532][ T10] ipv6_find_idev+0x102/0x170 [ 1725.895532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.895532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.895532][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.895532][ T10] netlink_unicast+0x449/0x710 [ 1725.895532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.895532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.895532][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.895532][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.895532][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.895532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.895532][ T10] [ 1725.897385][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1725.897646][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1725.897646][ T10] vlan_dev_init+0x97c/0xdd0 [ 1725.897646][ T10] register_netdevice+0x4d3/0x1690 [ 1725.897646][ T10] register_vlan_dev+0x162/0x4a0 [ 1725.897646][ T10] vlan_newlink+0x393/0x610 [ 1725.897646][ T10] rtnl_newlink_create+0x341/0x850 [ 1725.897646][ T10] __rtnl_newlink+0xac9/0xd80 [ 1725.897646][ T10] rtnl_newlink+0x63/0xa0 [ 1725.897646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.897646][ T10] netlink_rcv_skb+0x130/0x360 [ 1725.897646][ T10] netlink_unicast+0x449/0x710 [ 1725.897646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1725.897646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1725.897646][ T10] ___sys_sendmsg+0xee/0x170 [ 1725.897646][ T10] __sys_sendmsg+0xcd/0x170 [ 1725.897646][ T10] do_syscall_64+0xc6/0x1e0 [ 1725.897646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.897646][ T10] [ 1736.139992][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1736.140458][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1736.140458][ T10] netdev_get_by_index+0x5e/0x80 [ 1736.140458][ T10] fib6_nh_init+0x3d8/0x1580 [ 1736.140458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1736.140458][ T10] ip6_route_add+0x1c/0x140 [ 1736.140458][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1736.140458][ T10] inet6_addr_add+0x4f8/0xa40 [ 1736.140458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.140458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.140458][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.140458][ T10] netlink_unicast+0x449/0x710 [ 1736.140458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.140458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.140458][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.140458][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.140458][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.140458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.140458][ T10] [ 1736.142660][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1736.142660][ T10] netdev_get_by_index+0x5e/0x80 [ 1736.142660][ T10] fib6_nh_init+0x3d8/0x1580 [ 1736.142660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1736.142660][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1736.142660][ T10] ipv6_add_addr+0x411/0x2000 [ 1736.142660][ T10] inet6_addr_add+0x30e/0xa40 [ 1736.142660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.142660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.142660][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.142660][ T10] netlink_unicast+0x449/0x710 [ 1736.142660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.142660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.142660][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.142660][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.142660][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.142660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.142660][ T10] [ 1736.144863][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1736.144863][ T10] netdev_get_by_index+0x5e/0x80 [ 1736.144863][ T10] fib6_nh_init+0x3d8/0x1580 [ 1736.144863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1736.144863][ T10] ip6_route_add+0x1c/0x140 [ 1736.144863][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1736.144863][ T10] addrconf_add_dev+0xe2/0x170 [ 1736.144863][ T10] inet6_addr_add+0x12f/0xa40 [ 1736.144863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.144863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.144863][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.144863][ T10] netlink_unicast+0x449/0x710 [ 1736.144863][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.144863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.144863][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.144863][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.144863][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.144863][ T10] [ 1736.147009][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1736.147009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1736.147009][ T10] ipv6_find_idev+0x102/0x170 [ 1736.147009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.147009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.147009][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.147009][ T10] netlink_unicast+0x449/0x710 [ 1736.147009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.147009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.147009][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.147009][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.147009][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.147009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.147009][ T10] [ 1736.148696][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1736.148696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1736.148696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1736.148696][ T10] ipv6_find_idev+0x102/0x170 [ 1736.148696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.148696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.148696][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.148696][ T10] netlink_unicast+0x449/0x710 [ 1736.148696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.148696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.148696][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.148696][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.148696][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.148696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.148696][ T10] [ 1736.150568][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1736.150860][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1736.150860][ T10] netdev_get_by_index+0x5e/0x80 [ 1736.150860][ T10] fib6_nh_init+0x3d8/0x1580 [ 1736.150860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1736.150860][ T10] ip6_route_add+0x1c/0x140 [ 1736.150860][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1736.150860][ T10] inet6_addr_add+0x4f8/0xa40 [ 1736.150860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.150860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.150860][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.150860][ T10] netlink_unicast+0x449/0x710 [ 1736.150860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.150860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.150860][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.150860][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.150860][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.150860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.150860][ T10] [ 1736.153076][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1736.153076][ T10] netdev_get_by_index+0x5e/0x80 [ 1736.153076][ T10] fib6_nh_init+0x3d8/0x1580 [ 1736.153076][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1736.153076][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1736.153076][ T10] ipv6_add_addr+0x411/0x2000 [ 1736.153076][ T10] inet6_addr_add+0x30e/0xa40 [ 1736.153076][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.153076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.153076][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.153076][ T10] netlink_unicast+0x449/0x710 [ 1736.153076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.153076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.153076][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.153076][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.153076][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.153076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.153076][ T10] [ 1736.155272][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1736.155272][ T10] netdev_get_by_index+0x5e/0x80 [ 1736.155272][ T10] fib6_nh_init+0x3d8/0x1580 [ 1736.155272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1736.155272][ T10] ip6_route_add+0x1c/0x140 [ 1736.155272][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1736.155272][ T10] addrconf_add_dev+0xe2/0x170 [ 1736.155272][ T10] inet6_addr_add+0x12f/0xa40 [ 1736.155272][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1736.155272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.155272][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.155272][ T10] netlink_unicast+0x449/0x710 [ 1736.155272][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.155272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.155272][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.155272][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.155272][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.155272][ T10] [ 1736.157422][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1736.157422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1736.157422][ T10] ipv6_find_idev+0x102/0x170 [ 1736.157422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.157422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.157422][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.157422][ T10] netlink_unicast+0x449/0x710 [ 1736.157422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.157422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.157422][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.157422][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.157422][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.157422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.157422][ T10] [ 1736.159101][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1736.159101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1736.159101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1736.159101][ T10] ipv6_find_idev+0x102/0x170 [ 1736.159101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1736.159101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.159101][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.159101][ T10] netlink_unicast+0x449/0x710 [ 1736.159101][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.159101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.159101][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.159101][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.159101][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.159101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.159101][ T10] [ 1736.160957][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1736.161214][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1736.161214][ T10] vlan_dev_init+0x97c/0xdd0 [ 1736.161214][ T10] register_netdevice+0x4d3/0x1690 [ 1736.161214][ T10] register_vlan_dev+0x162/0x4a0 [ 1736.161214][ T10] vlan_newlink+0x393/0x610 [ 1736.161214][ T10] rtnl_newlink_create+0x341/0x850 [ 1736.161214][ T10] __rtnl_newlink+0xac9/0xd80 [ 1736.161214][ T10] rtnl_newlink+0x63/0xa0 [ 1736.161214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1736.161214][ T10] netlink_rcv_skb+0x130/0x360 [ 1736.161214][ T10] netlink_unicast+0x449/0x710 [ 1736.161214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1736.161214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1736.161214][ T10] ___sys_sendmsg+0xee/0x170 [ 1736.161214][ T10] __sys_sendmsg+0xcd/0x170 [ 1736.161214][ T10] do_syscall_64+0xc6/0x1e0 [ 1736.161214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1736.161214][ T10] [ 1746.220019][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1746.220421][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1746.220421][ T10] netdev_get_by_index+0x5e/0x80 [ 1746.220421][ T10] fib6_nh_init+0x3d8/0x1580 [ 1746.220421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1746.220421][ T10] ip6_route_add+0x1c/0x140 [ 1746.220421][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1746.220421][ T10] inet6_addr_add+0x4f8/0xa40 [ 1746.220421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.220421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.220421][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.220421][ T10] netlink_unicast+0x449/0x710 [ 1746.220421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.220421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.220421][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.220421][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.220421][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.220421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.220421][ T10] [ 1746.222648][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1746.222648][ T10] netdev_get_by_index+0x5e/0x80 [ 1746.222648][ T10] fib6_nh_init+0x3d8/0x1580 [ 1746.222648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1746.222648][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1746.222648][ T10] ipv6_add_addr+0x411/0x2000 [ 1746.222648][ T10] inet6_addr_add+0x30e/0xa40 [ 1746.222648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.222648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.222648][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.222648][ T10] netlink_unicast+0x449/0x710 [ 1746.222648][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.222648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.222648][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.222648][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.222648][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.222648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.222648][ T10] [ 1746.224857][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1746.224857][ T10] netdev_get_by_index+0x5e/0x80 [ 1746.224857][ T10] fib6_nh_init+0x3d8/0x1580 [ 1746.224857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1746.224857][ T10] ip6_route_add+0x1c/0x140 [ 1746.224857][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1746.224857][ T10] addrconf_add_dev+0xe2/0x170 [ 1746.224857][ T10] inet6_addr_add+0x12f/0xa40 [ 1746.224857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.224857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.224857][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.224857][ T10] netlink_unicast+0x449/0x710 [ 1746.224857][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.224857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.224857][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.224857][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.224857][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.224857][ T10] [ 1746.227021][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1746.227021][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1746.227021][ T10] ipv6_find_idev+0x102/0x170 [ 1746.227021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.227021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.227021][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.227021][ T10] netlink_unicast+0x449/0x710 [ 1746.227021][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.227021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.227021][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.227021][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.227021][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.227021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.227021][ T10] [ 1746.228712][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1746.228712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1746.228712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1746.228712][ T10] ipv6_find_idev+0x102/0x170 [ 1746.228712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.228712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.228712][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.228712][ T10] netlink_unicast+0x449/0x710 [ 1746.228712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.228712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.228712][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.228712][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.228712][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.228712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.228712][ T10] [ 1746.230566][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1746.230854][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1746.230854][ T10] netdev_get_by_index+0x5e/0x80 [ 1746.230854][ T10] fib6_nh_init+0x3d8/0x1580 [ 1746.230854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1746.230854][ T10] ip6_route_add+0x1c/0x140 [ 1746.230854][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1746.230854][ T10] inet6_addr_add+0x4f8/0xa40 [ 1746.230854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.230854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.230854][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.230854][ T10] netlink_unicast+0x449/0x710 [ 1746.230854][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.230854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.230854][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.230854][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.230854][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.230854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.230854][ T10] [ 1746.233062][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1746.233062][ T10] netdev_get_by_index+0x5e/0x80 [ 1746.233062][ T10] fib6_nh_init+0x3d8/0x1580 [ 1746.233062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1746.233062][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1746.233062][ T10] ipv6_add_addr+0x411/0x2000 [ 1746.233062][ T10] inet6_addr_add+0x30e/0xa40 [ 1746.233062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.233062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.233062][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.233062][ T10] netlink_unicast+0x449/0x710 [ 1746.233062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.233062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.233062][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.233062][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.233062][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.233062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.233062][ T10] [ 1746.235375][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1746.235375][ T10] netdev_get_by_index+0x5e/0x80 [ 1746.235375][ T10] fib6_nh_init+0x3d8/0x1580 [ 1746.235375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1746.235375][ T10] ip6_route_add+0x1c/0x140 [ 1746.235375][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1746.235375][ T10] addrconf_add_dev+0xe2/0x170 [ 1746.235375][ T10] inet6_addr_add+0x12f/0xa40 [ 1746.235375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1746.235375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.235375][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.235375][ T10] netlink_unicast+0x449/0x710 [ 1746.235375][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.235375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.235375][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.235375][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.235375][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.235375][ T10] [ 1746.237526][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1746.237526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1746.237526][ T10] ipv6_find_idev+0x102/0x170 [ 1746.237526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.237526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.237526][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.237526][ T10] netlink_unicast+0x449/0x710 [ 1746.237526][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.237526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.237526][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.237526][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.237526][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.237526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.237526][ T10] [ 1746.239226][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1746.239226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1746.239226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1746.239226][ T10] ipv6_find_idev+0x102/0x170 [ 1746.239226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1746.239226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.239226][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.239226][ T10] netlink_unicast+0x449/0x710 [ 1746.239226][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.239226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.239226][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.239226][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.239226][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.239226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.239226][ T10] [ 1746.241094][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1746.241356][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1746.241356][ T10] vlan_dev_init+0x97c/0xdd0 [ 1746.241356][ T10] register_netdevice+0x4d3/0x1690 [ 1746.241356][ T10] register_vlan_dev+0x162/0x4a0 [ 1746.241356][ T10] vlan_newlink+0x393/0x610 [ 1746.241356][ T10] rtnl_newlink_create+0x341/0x850 [ 1746.241356][ T10] __rtnl_newlink+0xac9/0xd80 [ 1746.241356][ T10] rtnl_newlink+0x63/0xa0 [ 1746.241356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1746.241356][ T10] netlink_rcv_skb+0x130/0x360 [ 1746.241356][ T10] netlink_unicast+0x449/0x710 [ 1746.241356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1746.241356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1746.241356][ T10] ___sys_sendmsg+0xee/0x170 [ 1746.241356][ T10] __sys_sendmsg+0xcd/0x170 [ 1746.241356][ T10] do_syscall_64+0xc6/0x1e0 [ 1746.241356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1746.241356][ T10] [ 1756.484004][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1756.484500][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1756.484500][ T10] netdev_get_by_index+0x5e/0x80 [ 1756.484500][ T10] fib6_nh_init+0x3d8/0x1580 [ 1756.484500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1756.484500][ T10] ip6_route_add+0x1c/0x140 [ 1756.484500][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1756.484500][ T10] inet6_addr_add+0x4f8/0xa40 [ 1756.484500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.484500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.484500][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.484500][ T10] netlink_unicast+0x449/0x710 [ 1756.484500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.484500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.484500][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.484500][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.484500][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.484500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.484500][ T10] [ 1756.486552][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1756.486552][ T10] netdev_get_by_index+0x5e/0x80 [ 1756.486552][ T10] fib6_nh_init+0x3d8/0x1580 [ 1756.486552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1756.486552][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1756.486552][ T10] ipv6_add_addr+0x411/0x2000 [ 1756.486552][ T10] inet6_addr_add+0x30e/0xa40 [ 1756.486552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.486552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.486552][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.486552][ T10] netlink_unicast+0x449/0x710 [ 1756.486552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.486552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.486552][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.486552][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.486552][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.486552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.486552][ T10] [ 1756.488584][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1756.488584][ T10] netdev_get_by_index+0x5e/0x80 [ 1756.488584][ T10] fib6_nh_init+0x3d8/0x1580 [ 1756.488584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1756.488584][ T10] ip6_route_add+0x1c/0x140 [ 1756.488584][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1756.488584][ T10] addrconf_add_dev+0xe2/0x170 [ 1756.488584][ T10] inet6_addr_add+0x12f/0xa40 [ 1756.488584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.488584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.488584][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.488584][ T10] netlink_unicast+0x449/0x710 [ 1756.488584][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.488584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.488584][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.488584][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.488584][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.488584][ T10] [ 1756.490576][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1756.490576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1756.490576][ T10] ipv6_find_idev+0x102/0x170 [ 1756.490576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.490576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.490576][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.490576][ T10] netlink_unicast+0x449/0x710 [ 1756.490576][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.490576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.490576][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.490576][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.490576][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.490576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.490576][ T10] [ 1756.492167][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1756.492167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1756.492167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1756.492167][ T10] ipv6_find_idev+0x102/0x170 [ 1756.492167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.492167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.492167][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.492167][ T10] netlink_unicast+0x449/0x710 [ 1756.492167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.492167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.492167][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.492167][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.492167][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.492167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.492167][ T10] [ 1756.493896][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1756.494182][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1756.494182][ T10] netdev_get_by_index+0x5e/0x80 [ 1756.494182][ T10] fib6_nh_init+0x3d8/0x1580 [ 1756.494182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1756.494182][ T10] ip6_route_add+0x1c/0x140 [ 1756.494182][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1756.494182][ T10] inet6_addr_add+0x4f8/0xa40 [ 1756.494182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.494182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.494182][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.494182][ T10] netlink_unicast+0x449/0x710 [ 1756.494182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.494182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.494182][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.494182][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.494182][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.494182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.494182][ T10] [ 1756.496218][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1756.496218][ T10] netdev_get_by_index+0x5e/0x80 [ 1756.496218][ T10] fib6_nh_init+0x3d8/0x1580 [ 1756.496218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1756.496218][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1756.496218][ T10] ipv6_add_addr+0x411/0x2000 [ 1756.496218][ T10] inet6_addr_add+0x30e/0xa40 [ 1756.496218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.496218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.496218][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.496218][ T10] netlink_unicast+0x449/0x710 [ 1756.496218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.496218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.496218][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.496218][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.496218][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.496218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.496218][ T10] [ 1756.498243][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1756.498243][ T10] netdev_get_by_index+0x5e/0x80 [ 1756.498243][ T10] fib6_nh_init+0x3d8/0x1580 [ 1756.498243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1756.498243][ T10] ip6_route_add+0x1c/0x140 [ 1756.498243][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1756.498243][ T10] addrconf_add_dev+0xe2/0x170 [ 1756.498243][ T10] inet6_addr_add+0x12f/0xa40 [ 1756.498243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1756.498243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.498243][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.498243][ T10] netlink_unicast+0x449/0x710 [ 1756.498243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.498243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.498243][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.498243][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.498243][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.498243][ T10] [ 1756.500232][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1756.500232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1756.500232][ T10] ipv6_find_idev+0x102/0x170 [ 1756.500232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.500232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.500232][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.500232][ T10] netlink_unicast+0x449/0x710 [ 1756.500232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.500232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.500232][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.500232][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.500232][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.500232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.500232][ T10] [ 1756.501786][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1756.501786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1756.501786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1756.501786][ T10] ipv6_find_idev+0x102/0x170 [ 1756.501786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1756.501786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.501786][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.501786][ T10] netlink_unicast+0x449/0x710 [ 1756.501786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.501786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.501786][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.501786][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.501786][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.501786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.501786][ T10] [ 1756.503487][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1756.503732][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1756.503732][ T10] vlan_dev_init+0x97c/0xdd0 [ 1756.503732][ T10] register_netdevice+0x4d3/0x1690 [ 1756.503732][ T10] register_vlan_dev+0x162/0x4a0 [ 1756.503732][ T10] vlan_newlink+0x393/0x610 [ 1756.503732][ T10] rtnl_newlink_create+0x341/0x850 [ 1756.503732][ T10] __rtnl_newlink+0xac9/0xd80 [ 1756.503732][ T10] rtnl_newlink+0x63/0xa0 [ 1756.503732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1756.503732][ T10] netlink_rcv_skb+0x130/0x360 [ 1756.503732][ T10] netlink_unicast+0x449/0x710 [ 1756.503732][ T10] netlink_sendmsg+0x723/0xbe0 [ 1756.503732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1756.503732][ T10] ___sys_sendmsg+0xee/0x170 [ 1756.503732][ T10] __sys_sendmsg+0xcd/0x170 [ 1756.503732][ T10] do_syscall_64+0xc6/0x1e0 [ 1756.503732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1756.503732][ T10] [ 1766.747999][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1766.748422][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1766.748422][ T10] netdev_get_by_index+0x5e/0x80 [ 1766.748422][ T10] fib6_nh_init+0x3d8/0x1580 [ 1766.748422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1766.748422][ T10] ip6_route_add+0x1c/0x140 [ 1766.748422][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1766.748422][ T10] inet6_addr_add+0x4f8/0xa40 [ 1766.748422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.748422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.748422][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.748422][ T10] netlink_unicast+0x449/0x710 [ 1766.748422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.748422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.748422][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.748422][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.748422][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.748422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.748422][ T10] [ 1766.750487][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1766.750487][ T10] netdev_get_by_index+0x5e/0x80 [ 1766.750487][ T10] fib6_nh_init+0x3d8/0x1580 [ 1766.750487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1766.750487][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1766.750487][ T10] ipv6_add_addr+0x411/0x2000 [ 1766.750487][ T10] inet6_addr_add+0x30e/0xa40 [ 1766.750487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.750487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.750487][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.750487][ T10] netlink_unicast+0x449/0x710 [ 1766.750487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.750487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.750487][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.750487][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.750487][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.750487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.750487][ T10] [ 1766.752511][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1766.752511][ T10] netdev_get_by_index+0x5e/0x80 [ 1766.752511][ T10] fib6_nh_init+0x3d8/0x1580 [ 1766.752511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1766.752511][ T10] ip6_route_add+0x1c/0x140 [ 1766.752511][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1766.752511][ T10] addrconf_add_dev+0xe2/0x170 [ 1766.752511][ T10] inet6_addr_add+0x12f/0xa40 [ 1766.752511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.752511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.752511][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.752511][ T10] netlink_unicast+0x449/0x710 [ 1766.752511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.752511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.752511][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.752511][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.752511][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.752511][ T10] [ 1766.754525][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1766.754525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1766.754525][ T10] ipv6_find_idev+0x102/0x170 [ 1766.754525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1766.754525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.754525][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.754525][ T10] netlink_unicast+0x449/0x710 [ 1766.754525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.754525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.754525][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.754525][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.754525][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.754525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.754525][ T10] [ 1766.756086][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1766.756086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1766.756086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1766.756086][ T10] ipv6_find_idev+0x102/0x170 [ 1766.756086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1766.756086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.756086][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.756086][ T10] netlink_unicast+0x449/0x710 [ 1766.756086][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.756086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.756086][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.756086][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.756086][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.756086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.756086][ T10] [ 1766.757816][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1766.758108][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1766.758108][ T10] netdev_get_by_index+0x5e/0x80 [ 1766.758108][ T10] fib6_nh_init+0x3d8/0x1580 [ 1766.758108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1766.758108][ T10] ip6_route_add+0x1c/0x140 [ 1766.758108][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1766.758108][ T10] inet6_addr_add+0x4f8/0xa40 [ 1766.758108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.758108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.758108][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.758108][ T10] netlink_unicast+0x449/0x710 [ 1766.758108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.758108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.758108][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.758108][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.758108][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.758108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.758108][ T10] [ 1766.760138][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1766.760138][ T10] netdev_get_by_index+0x5e/0x80 [ 1766.760138][ T10] fib6_nh_init+0x3d8/0x1580 [ 1766.760138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1766.760138][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1766.760138][ T10] ipv6_add_addr+0x411/0x2000 [ 1766.760138][ T10] inet6_addr_add+0x30e/0xa40 [ 1766.760138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.760138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.760138][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.760138][ T10] netlink_unicast+0x449/0x710 [ 1766.760138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.760138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.760138][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.760138][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.760138][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.760138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.760138][ T10] [ 1766.762163][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1766.762163][ T10] netdev_get_by_index+0x5e/0x80 [ 1766.762163][ T10] fib6_nh_init+0x3d8/0x1580 [ 1766.762163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1766.762163][ T10] ip6_route_add+0x1c/0x140 [ 1766.762163][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1766.762163][ T10] addrconf_add_dev+0xe2/0x170 [ 1766.762163][ T10] inet6_addr_add+0x12f/0xa40 [ 1766.762163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1766.762163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.762163][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.762163][ T10] netlink_unicast+0x449/0x710 [ 1766.762163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.762163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.762163][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.762163][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.762163][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.762163][ T10] [ 1766.764166][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1766.764166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1766.764166][ T10] ipv6_find_idev+0x102/0x170 [ 1766.764166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1766.764166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.764166][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.764166][ T10] netlink_unicast+0x449/0x710 [ 1766.764166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.764166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.764166][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.764166][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.764166][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.764166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.764166][ T10] [ 1766.765725][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1766.765725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1766.765725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1766.765725][ T10] ipv6_find_idev+0x102/0x170 [ 1766.765725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1766.765725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.765725][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.765725][ T10] netlink_unicast+0x449/0x710 [ 1766.765725][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.765725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.765725][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.765725][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.765725][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.765725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.765725][ T10] [ 1766.767435][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1766.767681][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1766.767681][ T10] vlan_dev_init+0x97c/0xdd0 [ 1766.767681][ T10] register_netdevice+0x4d3/0x1690 [ 1766.767681][ T10] register_vlan_dev+0x162/0x4a0 [ 1766.767681][ T10] vlan_newlink+0x393/0x610 [ 1766.767681][ T10] rtnl_newlink_create+0x341/0x850 [ 1766.767681][ T10] __rtnl_newlink+0xac9/0xd80 [ 1766.767681][ T10] rtnl_newlink+0x63/0xa0 [ 1766.767681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1766.767681][ T10] netlink_rcv_skb+0x130/0x360 [ 1766.767681][ T10] netlink_unicast+0x449/0x710 [ 1766.767681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1766.767681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1766.767681][ T10] ___sys_sendmsg+0xee/0x170 [ 1766.767681][ T10] __sys_sendmsg+0xcd/0x170 [ 1766.767681][ T10] do_syscall_64+0xc6/0x1e0 [ 1766.767681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1766.767681][ T10] [ 1777.012007][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1777.012423][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1777.012423][ T10] netdev_get_by_index+0x5e/0x80 [ 1777.012423][ T10] fib6_nh_init+0x3d8/0x1580 [ 1777.012423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1777.012423][ T10] ip6_route_add+0x1c/0x140 [ 1777.012423][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1777.012423][ T10] inet6_addr_add+0x4f8/0xa40 [ 1777.012423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.012423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.012423][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.012423][ T10] netlink_unicast+0x449/0x710 [ 1777.012423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.012423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.012423][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.012423][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.012423][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.012423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.012423][ T10] [ 1777.014505][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1777.014505][ T10] netdev_get_by_index+0x5e/0x80 [ 1777.014505][ T10] fib6_nh_init+0x3d8/0x1580 [ 1777.014505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1777.014505][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1777.014505][ T10] ipv6_add_addr+0x411/0x2000 [ 1777.014505][ T10] inet6_addr_add+0x30e/0xa40 [ 1777.014505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.014505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.014505][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.014505][ T10] netlink_unicast+0x449/0x710 [ 1777.014505][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.014505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.014505][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.014505][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.014505][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.014505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.014505][ T10] [ 1777.016539][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1777.016539][ T10] netdev_get_by_index+0x5e/0x80 [ 1777.016539][ T10] fib6_nh_init+0x3d8/0x1580 [ 1777.016539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1777.016539][ T10] ip6_route_add+0x1c/0x140 [ 1777.016539][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1777.016539][ T10] addrconf_add_dev+0xe2/0x170 [ 1777.016539][ T10] inet6_addr_add+0x12f/0xa40 [ 1777.016539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.016539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.016539][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.016539][ T10] netlink_unicast+0x449/0x710 [ 1777.016539][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.016539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.016539][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.016539][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.016539][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.016539][ T10] [ 1777.018529][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1777.018529][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1777.018529][ T10] ipv6_find_idev+0x102/0x170 [ 1777.018529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.018529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.018529][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.018529][ T10] netlink_unicast+0x449/0x710 [ 1777.018529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.018529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.018529][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.018529][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.018529][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.018529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.018529][ T10] [ 1777.020089][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1777.020089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1777.020089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1777.020089][ T10] ipv6_find_idev+0x102/0x170 [ 1777.020089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.020089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.020089][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.020089][ T10] netlink_unicast+0x449/0x710 [ 1777.020089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.020089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.020089][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.020089][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.020089][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.020089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.020089][ T10] [ 1777.021811][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1777.022110][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1777.022110][ T10] netdev_get_by_index+0x5e/0x80 [ 1777.022110][ T10] fib6_nh_init+0x3d8/0x1580 [ 1777.022110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1777.022110][ T10] ip6_route_add+0x1c/0x140 [ 1777.022110][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1777.022110][ T10] inet6_addr_add+0x4f8/0xa40 [ 1777.022110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.022110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.022110][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.022110][ T10] netlink_unicast+0x449/0x710 [ 1777.022110][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.022110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.022110][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.022110][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.022110][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.022110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.022110][ T10] [ 1777.024138][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1777.024138][ T10] netdev_get_by_index+0x5e/0x80 [ 1777.024138][ T10] fib6_nh_init+0x3d8/0x1580 [ 1777.024138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1777.024138][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1777.024138][ T10] ipv6_add_addr+0x411/0x2000 [ 1777.024138][ T10] inet6_addr_add+0x30e/0xa40 [ 1777.024138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.024138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.024138][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.024138][ T10] netlink_unicast+0x449/0x710 [ 1777.024138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.024138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.024138][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.024138][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.024138][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.024138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.024138][ T10] [ 1777.026163][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1777.026163][ T10] netdev_get_by_index+0x5e/0x80 [ 1777.026163][ T10] fib6_nh_init+0x3d8/0x1580 [ 1777.026163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1777.026163][ T10] ip6_route_add+0x1c/0x140 [ 1777.026163][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1777.026163][ T10] addrconf_add_dev+0xe2/0x170 [ 1777.026163][ T10] inet6_addr_add+0x12f/0xa40 [ 1777.026163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1777.026163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.026163][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.026163][ T10] netlink_unicast+0x449/0x710 [ 1777.026163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.026163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.026163][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.026163][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.026163][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.026163][ T10] [ 1777.028140][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1777.028140][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1777.028140][ T10] ipv6_find_idev+0x102/0x170 [ 1777.028140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.028140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.028140][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.028140][ T10] netlink_unicast+0x449/0x710 [ 1777.028140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.028140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.028140][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.028140][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.028140][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.028140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.028140][ T10] [ 1777.029715][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1777.029715][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1777.029715][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1777.029715][ T10] ipv6_find_idev+0x102/0x170 [ 1777.029715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1777.029715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.029715][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.029715][ T10] netlink_unicast+0x449/0x710 [ 1777.029715][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.029715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.029715][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.029715][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.029715][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.029715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.029715][ T10] [ 1777.031425][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1777.031670][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1777.031670][ T10] vlan_dev_init+0x97c/0xdd0 [ 1777.031670][ T10] register_netdevice+0x4d3/0x1690 [ 1777.031670][ T10] register_vlan_dev+0x162/0x4a0 [ 1777.031670][ T10] vlan_newlink+0x393/0x610 [ 1777.031670][ T10] rtnl_newlink_create+0x341/0x850 [ 1777.031670][ T10] __rtnl_newlink+0xac9/0xd80 [ 1777.031670][ T10] rtnl_newlink+0x63/0xa0 [ 1777.031670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1777.031670][ T10] netlink_rcv_skb+0x130/0x360 [ 1777.031670][ T10] netlink_unicast+0x449/0x710 [ 1777.031670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1777.031670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1777.031670][ T10] ___sys_sendmsg+0xee/0x170 [ 1777.031670][ T10] __sys_sendmsg+0xcd/0x170 [ 1777.031670][ T10] do_syscall_64+0xc6/0x1e0 [ 1777.031670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1777.031670][ T10] [ 1787.035997][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1787.036488][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1787.036488][ T10] netdev_get_by_index+0x5e/0x80 [ 1787.036488][ T10] fib6_nh_init+0x3d8/0x1580 [ 1787.036488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1787.036488][ T10] ip6_route_add+0x1c/0x140 [ 1787.036488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1787.036488][ T10] inet6_addr_add+0x4f8/0xa40 [ 1787.036488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.036488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.036488][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.036488][ T10] netlink_unicast+0x449/0x710 [ 1787.036488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.036488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.036488][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.036488][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.036488][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.036488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.036488][ T10] [ 1787.038534][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1787.038534][ T10] netdev_get_by_index+0x5e/0x80 [ 1787.038534][ T10] fib6_nh_init+0x3d8/0x1580 [ 1787.038534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1787.038534][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1787.038534][ T10] ipv6_add_addr+0x411/0x2000 [ 1787.038534][ T10] inet6_addr_add+0x30e/0xa40 [ 1787.038534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.038534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.038534][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.038534][ T10] netlink_unicast+0x449/0x710 [ 1787.038534][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.038534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.038534][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.038534][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.038534][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.038534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.038534][ T10] [ 1787.040556][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1787.040556][ T10] netdev_get_by_index+0x5e/0x80 [ 1787.040556][ T10] fib6_nh_init+0x3d8/0x1580 [ 1787.040556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1787.040556][ T10] ip6_route_add+0x1c/0x140 [ 1787.040556][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1787.040556][ T10] addrconf_add_dev+0xe2/0x170 [ 1787.040556][ T10] inet6_addr_add+0x12f/0xa40 [ 1787.040556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.040556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.040556][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.040556][ T10] netlink_unicast+0x449/0x710 [ 1787.040556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.040556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.040556][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.040556][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.040556][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.040556][ T10] [ 1787.042556][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1787.042556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1787.042556][ T10] ipv6_find_idev+0x102/0x170 [ 1787.042556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.042556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.042556][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.042556][ T10] netlink_unicast+0x449/0x710 [ 1787.042556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.042556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.042556][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.042556][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.042556][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.042556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.042556][ T10] [ 1787.044125][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1787.044125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1787.044125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1787.044125][ T10] ipv6_find_idev+0x102/0x170 [ 1787.044125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.044125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.044125][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.044125][ T10] netlink_unicast+0x449/0x710 [ 1787.044125][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.044125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.044125][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.044125][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.044125][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.044125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.044125][ T10] [ 1787.045837][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1787.046144][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1787.046144][ T10] netdev_get_by_index+0x5e/0x80 [ 1787.046144][ T10] fib6_nh_init+0x3d8/0x1580 [ 1787.046144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1787.046144][ T10] ip6_route_add+0x1c/0x140 [ 1787.046144][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1787.046144][ T10] inet6_addr_add+0x4f8/0xa40 [ 1787.046144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.046144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.046144][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.046144][ T10] netlink_unicast+0x449/0x710 [ 1787.046144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.046144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.046144][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.046144][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.046144][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.046144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.046144][ T10] [ 1787.048163][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1787.048163][ T10] netdev_get_by_index+0x5e/0x80 [ 1787.048163][ T10] fib6_nh_init+0x3d8/0x1580 [ 1787.048163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1787.048163][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1787.048163][ T10] ipv6_add_addr+0x411/0x2000 [ 1787.048163][ T10] inet6_addr_add+0x30e/0xa40 [ 1787.048163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.048163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.048163][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.048163][ T10] netlink_unicast+0x449/0x710 [ 1787.048163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.048163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.048163][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.048163][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.048163][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.048163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.048163][ T10] [ 1787.050168][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1787.050168][ T10] netdev_get_by_index+0x5e/0x80 [ 1787.050168][ T10] fib6_nh_init+0x3d8/0x1580 [ 1787.050168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1787.050168][ T10] ip6_route_add+0x1c/0x140 [ 1787.050168][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1787.050168][ T10] addrconf_add_dev+0xe2/0x170 [ 1787.050168][ T10] inet6_addr_add+0x12f/0xa40 [ 1787.050168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1787.050168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.050168][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.050168][ T10] netlink_unicast+0x449/0x710 [ 1787.050168][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.050168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.050168][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.050168][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.050168][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.050168][ T10] [ 1787.052150][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1787.052150][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1787.052150][ T10] ipv6_find_idev+0x102/0x170 [ 1787.052150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.052150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.052150][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.052150][ T10] netlink_unicast+0x449/0x710 [ 1787.052150][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.052150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.052150][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.052150][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.052150][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.052150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.052150][ T10] [ 1787.053702][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1787.053702][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1787.053702][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1787.053702][ T10] ipv6_find_idev+0x102/0x170 [ 1787.053702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1787.053702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.053702][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.053702][ T10] netlink_unicast+0x449/0x710 [ 1787.053702][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.053702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.053702][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.053702][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.053702][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.053702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.053702][ T10] [ 1787.055405][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1787.055650][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1787.055650][ T10] vlan_dev_init+0x97c/0xdd0 [ 1787.055650][ T10] register_netdevice+0x4d3/0x1690 [ 1787.055650][ T10] register_vlan_dev+0x162/0x4a0 [ 1787.055650][ T10] vlan_newlink+0x393/0x610 [ 1787.055650][ T10] rtnl_newlink_create+0x341/0x850 [ 1787.055650][ T10] __rtnl_newlink+0xac9/0xd80 [ 1787.055650][ T10] rtnl_newlink+0x63/0xa0 [ 1787.055650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1787.055650][ T10] netlink_rcv_skb+0x130/0x360 [ 1787.055650][ T10] netlink_unicast+0x449/0x710 [ 1787.055650][ T10] netlink_sendmsg+0x723/0xbe0 [ 1787.055650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1787.055650][ T10] ___sys_sendmsg+0xee/0x170 [ 1787.055650][ T10] __sys_sendmsg+0xcd/0x170 [ 1787.055650][ T10] do_syscall_64+0xc6/0x1e0 [ 1787.055650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1787.055650][ T10] [ 1797.116005][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1797.116436][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1797.116436][ T10] netdev_get_by_index+0x5e/0x80 [ 1797.116436][ T10] fib6_nh_init+0x3d8/0x1580 [ 1797.116436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1797.116436][ T10] ip6_route_add+0x1c/0x140 [ 1797.116436][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1797.116436][ T10] inet6_addr_add+0x4f8/0xa40 [ 1797.116436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1797.116436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.116436][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.116436][ T10] netlink_unicast+0x449/0x710 [ 1797.116436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.116436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.116436][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.116436][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.116436][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.116436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.116436][ T10] [ 1797.118487][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1797.118487][ T10] netdev_get_by_index+0x5e/0x80 [ 1797.118487][ T10] fib6_nh_init+0x3d8/0x1580 [ 1797.118487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1797.118487][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1797.118487][ T10] ipv6_add_addr+0x411/0x2000 [ 1797.118487][ T10] inet6_addr_add+0x30e/0xa40 [ 1797.118487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1797.118487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.118487][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.118487][ T10] netlink_unicast+0x449/0x710 [ 1797.118487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.118487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.118487][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.118487][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.118487][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.118487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.118487][ T10] [ 1797.120513][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1797.120513][ T10] netdev_get_by_index+0x5e/0x80 [ 1797.120513][ T10] fib6_nh_init+0x3d8/0x1580 [ 1797.120513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1797.120513][ T10] ip6_route_add+0x1c/0x140 [ 1797.120513][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1797.120513][ T10] addrconf_add_dev+0xe2/0x170 [ 1797.120513][ T10] inet6_addr_add+0x12f/0xa40 [ 1797.120513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1797.120513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.120513][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.120513][ T10] netlink_unicast+0x449/0x710 [ 1797.120513][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.120513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.120513][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.120513][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.120513][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.120513][ T10] [ 1797.122513][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1797.122513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1797.122513][ T10] ipv6_find_idev+0x102/0x170 [ 1797.122513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1797.122513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.122513][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.122513][ T10] netlink_unicast+0x449/0x710 [ 1797.122513][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.122513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.122513][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.122513][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.122513][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.122513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.122513][ T10] [ 1797.124084][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1797.124084][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1797.124084][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1797.124084][ T10] ipv6_find_idev+0x102/0x170 [ 1797.124084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1797.124084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.124084][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.124084][ T10] netlink_unicast+0x449/0x710 [ 1797.124084][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.124084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.124084][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.124084][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.124084][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.124084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.124084][ T10] [ 1797.125797][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1797.126088][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1797.126088][ T10] netdev_get_by_index+0x5e/0x80 [ 1797.126088][ T10] fib6_nh_init+0x3d8/0x1580 [ 1797.126088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1797.126088][ T10] ip6_route_add+0x1c/0x140 [ 1797.126088][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1797.126088][ T10] inet6_addr_add+0x4f8/0xa40 [ 1797.126088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1797.126088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.126088][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.126088][ T10] netlink_unicast+0x449/0x710 [ 1797.126088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.126088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.126088][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.126088][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.126088][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.126088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.126088][ T10] [ 1797.128106][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1797.128106][ T10] netdev_get_by_index+0x5e/0x80 [ 1797.128106][ T10] fib6_nh_init+0x3d8/0x1580 [ 1797.128106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1797.128106][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1797.128106][ T10] ipv6_add_addr+0x411/0x2000 [ 1797.128106][ T10] inet6_addr_add+0x30e/0xa40 [ 1797.128106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1797.128106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.128106][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.128106][ T10] netlink_unicast+0x449/0x710 [ 1797.128106][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.128106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.128106][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.128106][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.128106][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.128106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.128106][ T10] [ 1797.130123][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1797.130123][ T10] netdev_get_by_index+0x5e/0x80 [ 1797.130123][ T10] fib6_nh_init+0x3d8/0x1580 [ 1797.130123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1797.130123][ T10] ip6_route_add+0x1c/0x140 [ 1797.130123][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1797.130123][ T10] addrconf_add_dev+0xe2/0x170 [ 1797.130123][ T10] inet6_addr_add+0x12f/0xa40 [ 1797.130123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1797.130123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.130123][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.130123][ T10] netlink_unicast+0x449/0x710 [ 1797.130123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.130123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.130123][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.130123][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.130123][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.130123][ T10] [ 1797.132101][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1797.132101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1797.132101][ T10] ipv6_find_idev+0x102/0x170 [ 1797.132101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1797.132101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.132101][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.132101][ T10] netlink_unicast+0x449/0x710 [ 1797.132101][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.132101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.132101][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.132101][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.132101][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.132101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.132101][ T10] [ 1797.133656][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1797.133656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1797.133656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1797.133656][ T10] ipv6_find_idev+0x102/0x170 [ 1797.133656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1797.133656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.133656][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.133656][ T10] netlink_unicast+0x449/0x710 [ 1797.133656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.133656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.133656][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.133656][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.133656][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.133656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.133656][ T10] [ 1797.135366][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1797.135612][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1797.135612][ T10] vlan_dev_init+0x97c/0xdd0 [ 1797.135612][ T10] register_netdevice+0x4d3/0x1690 [ 1797.135612][ T10] register_vlan_dev+0x162/0x4a0 [ 1797.135612][ T10] vlan_newlink+0x393/0x610 [ 1797.135612][ T10] rtnl_newlink_create+0x341/0x850 [ 1797.135612][ T10] __rtnl_newlink+0xac9/0xd80 [ 1797.135612][ T10] rtnl_newlink+0x63/0xa0 [ 1797.135612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1797.135612][ T10] netlink_rcv_skb+0x130/0x360 [ 1797.135612][ T10] netlink_unicast+0x449/0x710 [ 1797.135612][ T10] netlink_sendmsg+0x723/0xbe0 [ 1797.135612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1797.135612][ T10] ___sys_sendmsg+0xee/0x170 [ 1797.135612][ T10] __sys_sendmsg+0xcd/0x170 [ 1797.135612][ T10] do_syscall_64+0xc6/0x1e0 [ 1797.135612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1797.135612][ T10] [ 1807.379917][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1807.380419][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1807.380419][ T10] netdev_get_by_index+0x5e/0x80 [ 1807.380419][ T10] fib6_nh_init+0x3d8/0x1580 [ 1807.380419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1807.380419][ T10] ip6_route_add+0x1c/0x140 [ 1807.380419][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1807.380419][ T10] inet6_addr_add+0x4f8/0xa40 [ 1807.380419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.380419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.380419][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.380419][ T10] netlink_unicast+0x449/0x710 [ 1807.380419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.380419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.380419][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.380419][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.380419][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.380419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.380419][ T10] [ 1807.382490][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1807.382490][ T10] netdev_get_by_index+0x5e/0x80 [ 1807.382490][ T10] fib6_nh_init+0x3d8/0x1580 [ 1807.382490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1807.382490][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1807.382490][ T10] ipv6_add_addr+0x411/0x2000 [ 1807.382490][ T10] inet6_addr_add+0x30e/0xa40 [ 1807.382490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.382490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.382490][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.382490][ T10] netlink_unicast+0x449/0x710 [ 1807.382490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.382490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.382490][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.382490][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.382490][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.382490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.382490][ T10] [ 1807.384533][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1807.384533][ T10] netdev_get_by_index+0x5e/0x80 [ 1807.384533][ T10] fib6_nh_init+0x3d8/0x1580 [ 1807.384533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1807.384533][ T10] ip6_route_add+0x1c/0x140 [ 1807.384533][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1807.384533][ T10] addrconf_add_dev+0xe2/0x170 [ 1807.384533][ T10] inet6_addr_add+0x12f/0xa40 [ 1807.384533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.384533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.384533][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.384533][ T10] netlink_unicast+0x449/0x710 [ 1807.384533][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.384533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.384533][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.384533][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.384533][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.384533][ T10] [ 1807.386529][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1807.386529][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1807.386529][ T10] ipv6_find_idev+0x102/0x170 [ 1807.386529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.386529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.386529][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.386529][ T10] netlink_unicast+0x449/0x710 [ 1807.386529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.386529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.386529][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.386529][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.386529][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.386529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.386529][ T10] [ 1807.388092][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1807.388092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1807.388092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1807.388092][ T10] ipv6_find_idev+0x102/0x170 [ 1807.388092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.388092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.388092][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.388092][ T10] netlink_unicast+0x449/0x710 [ 1807.388092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.388092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.388092][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.388092][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.388092][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.388092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.388092][ T10] [ 1807.389824][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1807.390118][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1807.390118][ T10] netdev_get_by_index+0x5e/0x80 [ 1807.390118][ T10] fib6_nh_init+0x3d8/0x1580 [ 1807.390118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1807.390118][ T10] ip6_route_add+0x1c/0x140 [ 1807.390118][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1807.390118][ T10] inet6_addr_add+0x4f8/0xa40 [ 1807.390118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.390118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.390118][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.390118][ T10] netlink_unicast+0x449/0x710 [ 1807.390118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.390118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.390118][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.390118][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.390118][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.390118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.390118][ T10] [ 1807.392138][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1807.392138][ T10] netdev_get_by_index+0x5e/0x80 [ 1807.392138][ T10] fib6_nh_init+0x3d8/0x1580 [ 1807.392138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1807.392138][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1807.392138][ T10] ipv6_add_addr+0x411/0x2000 [ 1807.392138][ T10] inet6_addr_add+0x30e/0xa40 [ 1807.392138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.392138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.392138][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.392138][ T10] netlink_unicast+0x449/0x710 [ 1807.392138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.392138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.392138][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.392138][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.392138][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.392138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.392138][ T10] [ 1807.394165][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1807.394165][ T10] netdev_get_by_index+0x5e/0x80 [ 1807.394165][ T10] fib6_nh_init+0x3d8/0x1580 [ 1807.394165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1807.394165][ T10] ip6_route_add+0x1c/0x140 [ 1807.394165][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1807.394165][ T10] addrconf_add_dev+0xe2/0x170 [ 1807.394165][ T10] inet6_addr_add+0x12f/0xa40 [ 1807.394165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1807.394165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.394165][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.394165][ T10] netlink_unicast+0x449/0x710 [ 1807.394165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.394165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.394165][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.394165][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.394165][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.394165][ T10] [ 1807.396159][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1807.396159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1807.396159][ T10] ipv6_find_idev+0x102/0x170 [ 1807.396159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.396159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.396159][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.396159][ T10] netlink_unicast+0x449/0x710 [ 1807.396159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.396159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.396159][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.396159][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.396159][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.396159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.396159][ T10] [ 1807.397712][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1807.397712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1807.397712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1807.397712][ T10] ipv6_find_idev+0x102/0x170 [ 1807.397712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1807.397712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.397712][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.397712][ T10] netlink_unicast+0x449/0x710 [ 1807.397712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.397712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.397712][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.397712][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.397712][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.397712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.397712][ T10] [ 1807.399417][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1807.399663][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1807.399663][ T10] vlan_dev_init+0x97c/0xdd0 [ 1807.399663][ T10] register_netdevice+0x4d3/0x1690 [ 1807.399663][ T10] register_vlan_dev+0x162/0x4a0 [ 1807.399663][ T10] vlan_newlink+0x393/0x610 [ 1807.399663][ T10] rtnl_newlink_create+0x341/0x850 [ 1807.399663][ T10] __rtnl_newlink+0xac9/0xd80 [ 1807.399663][ T10] rtnl_newlink+0x63/0xa0 [ 1807.399663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1807.399663][ T10] netlink_rcv_skb+0x130/0x360 [ 1807.399663][ T10] netlink_unicast+0x449/0x710 [ 1807.399663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1807.399663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1807.399663][ T10] ___sys_sendmsg+0xee/0x170 [ 1807.399663][ T10] __sys_sendmsg+0xcd/0x170 [ 1807.399663][ T10] do_syscall_64+0xc6/0x1e0 [ 1807.399663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1807.399663][ T10] [ 1817.643929][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1817.644419][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1817.644419][ T10] netdev_get_by_index+0x5e/0x80 [ 1817.644419][ T10] fib6_nh_init+0x3d8/0x1580 [ 1817.644419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1817.644419][ T10] ip6_route_add+0x1c/0x140 [ 1817.644419][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1817.644419][ T10] inet6_addr_add+0x4f8/0xa40 [ 1817.644419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.644419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.644419][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.644419][ T10] netlink_unicast+0x449/0x710 [ 1817.644419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.644419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.644419][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.644419][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.644419][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.644419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.644419][ T10] [ 1817.646480][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1817.646480][ T10] netdev_get_by_index+0x5e/0x80 [ 1817.646480][ T10] fib6_nh_init+0x3d8/0x1580 [ 1817.646480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1817.646480][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1817.646480][ T10] ipv6_add_addr+0x411/0x2000 [ 1817.646480][ T10] inet6_addr_add+0x30e/0xa40 [ 1817.646480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.646480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.646480][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.646480][ T10] netlink_unicast+0x449/0x710 [ 1817.646480][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.646480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.646480][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.646480][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.646480][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.646480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.646480][ T10] [ 1817.648527][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1817.648527][ T10] netdev_get_by_index+0x5e/0x80 [ 1817.648527][ T10] fib6_nh_init+0x3d8/0x1580 [ 1817.648527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1817.648527][ T10] ip6_route_add+0x1c/0x140 [ 1817.648527][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1817.648527][ T10] addrconf_add_dev+0xe2/0x170 [ 1817.648527][ T10] inet6_addr_add+0x12f/0xa40 [ 1817.648527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.648527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.648527][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.648527][ T10] netlink_unicast+0x449/0x710 [ 1817.648527][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.648527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.648527][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.648527][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.648527][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.648527][ T10] [ 1817.650521][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1817.650521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1817.650521][ T10] ipv6_find_idev+0x102/0x170 [ 1817.650521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.650521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.650521][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.650521][ T10] netlink_unicast+0x449/0x710 [ 1817.650521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.650521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.650521][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.650521][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.650521][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.650521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.650521][ T10] [ 1817.652085][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1817.652085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1817.652085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1817.652085][ T10] ipv6_find_idev+0x102/0x170 [ 1817.652085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.652085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.652085][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.652085][ T10] netlink_unicast+0x449/0x710 [ 1817.652085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.652085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.652085][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.652085][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.652085][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.652085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.652085][ T10] [ 1817.653802][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1817.654108][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1817.654108][ T10] netdev_get_by_index+0x5e/0x80 [ 1817.654108][ T10] fib6_nh_init+0x3d8/0x1580 [ 1817.654108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1817.654108][ T10] ip6_route_add+0x1c/0x140 [ 1817.654108][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1817.654108][ T10] inet6_addr_add+0x4f8/0xa40 [ 1817.654108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.654108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.654108][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.654108][ T10] netlink_unicast+0x449/0x710 [ 1817.654108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.654108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.654108][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.654108][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.654108][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.654108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.654108][ T10] [ 1817.656135][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1817.656135][ T10] netdev_get_by_index+0x5e/0x80 [ 1817.656135][ T10] fib6_nh_init+0x3d8/0x1580 [ 1817.656135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1817.656135][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1817.656135][ T10] ipv6_add_addr+0x411/0x2000 [ 1817.656135][ T10] inet6_addr_add+0x30e/0xa40 [ 1817.656135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.656135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.656135][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.656135][ T10] netlink_unicast+0x449/0x710 [ 1817.656135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.656135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.656135][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.656135][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.656135][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.656135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.656135][ T10] [ 1817.658157][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1817.658157][ T10] netdev_get_by_index+0x5e/0x80 [ 1817.658157][ T10] fib6_nh_init+0x3d8/0x1580 [ 1817.658157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1817.658157][ T10] ip6_route_add+0x1c/0x140 [ 1817.658157][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1817.658157][ T10] addrconf_add_dev+0xe2/0x170 [ 1817.658157][ T10] inet6_addr_add+0x12f/0xa40 [ 1817.658157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1817.658157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.658157][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.658157][ T10] netlink_unicast+0x449/0x710 [ 1817.658157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.658157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.658157][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.658157][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.658157][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.658157][ T10] [ 1817.660141][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1817.660141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1817.660141][ T10] ipv6_find_idev+0x102/0x170 [ 1817.660141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.660141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.660141][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.660141][ T10] netlink_unicast+0x449/0x710 [ 1817.660141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.660141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.660141][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.660141][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.660141][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.660141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.660141][ T10] [ 1817.661703][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1817.661703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1817.661703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1817.661703][ T10] ipv6_find_idev+0x102/0x170 [ 1817.661703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1817.661703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.661703][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.661703][ T10] netlink_unicast+0x449/0x710 [ 1817.661703][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.661703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.661703][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.661703][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.661703][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.661703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.661703][ T10] [ 1817.663408][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1817.663676][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1817.663676][ T10] vlan_dev_init+0x97c/0xdd0 [ 1817.663676][ T10] register_netdevice+0x4d3/0x1690 [ 1817.663676][ T10] register_vlan_dev+0x162/0x4a0 [ 1817.663676][ T10] vlan_newlink+0x393/0x610 [ 1817.663676][ T10] rtnl_newlink_create+0x341/0x850 [ 1817.663676][ T10] __rtnl_newlink+0xac9/0xd80 [ 1817.663676][ T10] rtnl_newlink+0x63/0xa0 [ 1817.663676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1817.663676][ T10] netlink_rcv_skb+0x130/0x360 [ 1817.663676][ T10] netlink_unicast+0x449/0x710 [ 1817.663676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1817.663676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1817.663676][ T10] ___sys_sendmsg+0xee/0x170 [ 1817.663676][ T10] __sys_sendmsg+0xcd/0x170 [ 1817.663676][ T10] do_syscall_64+0xc6/0x1e0 [ 1817.663676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1817.663676][ T10] [ 1827.908001][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1827.908489][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1827.908489][ T10] netdev_get_by_index+0x5e/0x80 [ 1827.908489][ T10] fib6_nh_init+0x3d8/0x1580 [ 1827.908489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1827.908489][ T10] ip6_route_add+0x1c/0x140 [ 1827.908489][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1827.908489][ T10] inet6_addr_add+0x4f8/0xa40 [ 1827.908489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.908489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.908489][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.908489][ T10] netlink_unicast+0x449/0x710 [ 1827.908489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.908489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.908489][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.908489][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.908489][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.908489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.908489][ T10] [ 1827.910542][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1827.910542][ T10] netdev_get_by_index+0x5e/0x80 [ 1827.910542][ T10] fib6_nh_init+0x3d8/0x1580 [ 1827.910542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1827.910542][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1827.910542][ T10] ipv6_add_addr+0x411/0x2000 [ 1827.910542][ T10] inet6_addr_add+0x30e/0xa40 [ 1827.910542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.910542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.910542][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.910542][ T10] netlink_unicast+0x449/0x710 [ 1827.910542][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.910542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.910542][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.910542][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.910542][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.910542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.910542][ T10] [ 1827.912581][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1827.912581][ T10] netdev_get_by_index+0x5e/0x80 [ 1827.912581][ T10] fib6_nh_init+0x3d8/0x1580 [ 1827.912581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1827.912581][ T10] ip6_route_add+0x1c/0x140 [ 1827.912581][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1827.912581][ T10] addrconf_add_dev+0xe2/0x170 [ 1827.912581][ T10] inet6_addr_add+0x12f/0xa40 [ 1827.912581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.912581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.912581][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.912581][ T10] netlink_unicast+0x449/0x710 [ 1827.912581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.912581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.912581][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.912581][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.912581][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.912581][ T10] [ 1827.914596][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1827.914596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1827.914596][ T10] ipv6_find_idev+0x102/0x170 [ 1827.914596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.914596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.914596][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.914596][ T10] netlink_unicast+0x449/0x710 [ 1827.914596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.914596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.914596][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.914596][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.914596][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.914596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.914596][ T10] [ 1827.916164][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1827.916164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1827.916164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1827.916164][ T10] ipv6_find_idev+0x102/0x170 [ 1827.916164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.916164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.916164][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.916164][ T10] netlink_unicast+0x449/0x710 [ 1827.916164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.916164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.916164][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.916164][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.916164][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.916164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.916164][ T10] [ 1827.917877][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1827.918164][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1827.918164][ T10] netdev_get_by_index+0x5e/0x80 [ 1827.918164][ T10] fib6_nh_init+0x3d8/0x1580 [ 1827.918164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1827.918164][ T10] ip6_route_add+0x1c/0x140 [ 1827.918164][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1827.918164][ T10] inet6_addr_add+0x4f8/0xa40 [ 1827.918164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.918164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.918164][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.918164][ T10] netlink_unicast+0x449/0x710 [ 1827.918164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.918164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.918164][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.918164][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.918164][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.918164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.918164][ T10] [ 1827.920186][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1827.920186][ T10] netdev_get_by_index+0x5e/0x80 [ 1827.920186][ T10] fib6_nh_init+0x3d8/0x1580 [ 1827.920186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1827.920186][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1827.920186][ T10] ipv6_add_addr+0x411/0x2000 [ 1827.920186][ T10] inet6_addr_add+0x30e/0xa40 [ 1827.920186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.920186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.920186][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.920186][ T10] netlink_unicast+0x449/0x710 [ 1827.920186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.920186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.920186][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.920186][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.920186][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.920186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.920186][ T10] [ 1827.922201][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1827.922201][ T10] netdev_get_by_index+0x5e/0x80 [ 1827.922201][ T10] fib6_nh_init+0x3d8/0x1580 [ 1827.922201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1827.922201][ T10] ip6_route_add+0x1c/0x140 [ 1827.922201][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1827.922201][ T10] addrconf_add_dev+0xe2/0x170 [ 1827.922201][ T10] inet6_addr_add+0x12f/0xa40 [ 1827.922201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1827.922201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.922201][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.922201][ T10] netlink_unicast+0x449/0x710 [ 1827.922201][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.922201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.922201][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.922201][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.922201][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.922201][ T10] [ 1827.924199][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1827.924199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1827.924199][ T10] ipv6_find_idev+0x102/0x170 [ 1827.924199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.924199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.924199][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.924199][ T10] netlink_unicast+0x449/0x710 [ 1827.924199][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.924199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.924199][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.924199][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.924199][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.924199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.924199][ T10] [ 1827.925750][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1827.925750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1827.925750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1827.925750][ T10] ipv6_find_idev+0x102/0x170 [ 1827.925750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1827.925750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.925750][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.925750][ T10] netlink_unicast+0x449/0x710 [ 1827.925750][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.925750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.925750][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.925750][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.925750][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.925750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.925750][ T10] [ 1827.927454][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1827.927705][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1827.927705][ T10] vlan_dev_init+0x97c/0xdd0 [ 1827.927705][ T10] register_netdevice+0x4d3/0x1690 [ 1827.927705][ T10] register_vlan_dev+0x162/0x4a0 [ 1827.927705][ T10] vlan_newlink+0x393/0x610 [ 1827.927705][ T10] rtnl_newlink_create+0x341/0x850 [ 1827.927705][ T10] __rtnl_newlink+0xac9/0xd80 [ 1827.927705][ T10] rtnl_newlink+0x63/0xa0 [ 1827.927705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1827.927705][ T10] netlink_rcv_skb+0x130/0x360 [ 1827.927705][ T10] netlink_unicast+0x449/0x710 [ 1827.927705][ T10] netlink_sendmsg+0x723/0xbe0 [ 1827.927705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1827.927705][ T10] ___sys_sendmsg+0xee/0x170 [ 1827.927705][ T10] __sys_sendmsg+0xcd/0x170 [ 1827.927705][ T10] do_syscall_64+0xc6/0x1e0 [ 1827.927705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1827.927705][ T10] [ 1838.147997][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1838.148422][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1838.148422][ T10] netdev_get_by_index+0x5e/0x80 [ 1838.148422][ T10] fib6_nh_init+0x3d8/0x1580 [ 1838.148422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1838.148422][ T10] ip6_route_add+0x1c/0x140 [ 1838.148422][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1838.148422][ T10] inet6_addr_add+0x4f8/0xa40 [ 1838.148422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1838.148422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.148422][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.148422][ T10] netlink_unicast+0x449/0x710 [ 1838.148422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.148422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.148422][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.148422][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.148422][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.148422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.148422][ T10] [ 1838.150479][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1838.150479][ T10] netdev_get_by_index+0x5e/0x80 [ 1838.150479][ T10] fib6_nh_init+0x3d8/0x1580 [ 1838.150479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1838.150479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1838.150479][ T10] ipv6_add_addr+0x411/0x2000 [ 1838.150479][ T10] inet6_addr_add+0x30e/0xa40 [ 1838.150479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1838.150479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.150479][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.150479][ T10] netlink_unicast+0x449/0x710 [ 1838.150479][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.150479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.150479][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.150479][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.150479][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.150479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.150479][ T10] [ 1838.152498][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1838.152498][ T10] netdev_get_by_index+0x5e/0x80 [ 1838.152498][ T10] fib6_nh_init+0x3d8/0x1580 [ 1838.152498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1838.152498][ T10] ip6_route_add+0x1c/0x140 [ 1838.152498][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1838.152498][ T10] addrconf_add_dev+0xe2/0x170 [ 1838.152498][ T10] inet6_addr_add+0x12f/0xa40 [ 1838.152498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1838.152498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.152498][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.152498][ T10] netlink_unicast+0x449/0x710 [ 1838.152498][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.152498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.152498][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.152498][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.152498][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.152498][ T10] [ 1838.154498][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1838.154498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1838.154498][ T10] ipv6_find_idev+0x102/0x170 [ 1838.154498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1838.154498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.154498][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.154498][ T10] netlink_unicast+0x449/0x710 [ 1838.154498][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.154498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.154498][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.154498][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.154498][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.154498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.154498][ T10] [ 1838.156052][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1838.156052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1838.156052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1838.156052][ T10] ipv6_find_idev+0x102/0x170 [ 1838.156052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1838.156052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.156052][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.156052][ T10] netlink_unicast+0x449/0x710 [ 1838.156052][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.156052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.156052][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.156052][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.156052][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.156052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.156052][ T10] [ 1838.157780][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1838.158073][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1838.158073][ T10] netdev_get_by_index+0x5e/0x80 [ 1838.158073][ T10] fib6_nh_init+0x3d8/0x1580 [ 1838.158073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1838.158073][ T10] ip6_route_add+0x1c/0x140 [ 1838.158073][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1838.158073][ T10] inet6_addr_add+0x4f8/0xa40 [ 1838.158073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1838.158073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.158073][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.158073][ T10] netlink_unicast+0x449/0x710 [ 1838.158073][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.158073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.158073][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.158073][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.158073][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.158073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.158073][ T10] [ 1838.160092][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1838.160092][ T10] netdev_get_by_index+0x5e/0x80 [ 1838.160092][ T10] fib6_nh_init+0x3d8/0x1580 [ 1838.160092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1838.160092][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1838.160092][ T10] ipv6_add_addr+0x411/0x2000 [ 1838.160092][ T10] inet6_addr_add+0x30e/0xa40 [ 1838.160092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1838.160092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.160092][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.160092][ T10] netlink_unicast+0x449/0x710 [ 1838.160092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.160092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.160092][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.160092][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.160092][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.160092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.160092][ T10] [ 1838.162110][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1838.162110][ T10] netdev_get_by_index+0x5e/0x80 [ 1838.162110][ T10] fib6_nh_init+0x3d8/0x1580 [ 1838.162110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1838.162110][ T10] ip6_route_add+0x1c/0x140 [ 1838.162110][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1838.162110][ T10] addrconf_add_dev+0xe2/0x170 [ 1838.162110][ T10] inet6_addr_add+0x12f/0xa40 [ 1838.162110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1838.162110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.162110][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.162110][ T10] netlink_unicast+0x449/0x710 [ 1838.162110][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.162110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.162110][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.162110][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.162110][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.162110][ T10] [ 1838.164098][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1838.164098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1838.164098][ T10] ipv6_find_idev+0x102/0x170 [ 1838.164098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1838.164098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.164098][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.164098][ T10] netlink_unicast+0x449/0x710 [ 1838.164098][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.164098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.164098][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.164098][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.164098][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.164098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.164098][ T10] [ 1838.165649][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1838.165649][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1838.165649][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1838.165649][ T10] ipv6_find_idev+0x102/0x170 [ 1838.165649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1838.165649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.165649][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.165649][ T10] netlink_unicast+0x449/0x710 [ 1838.165649][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.165649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.165649][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.165649][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.165649][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.165649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.165649][ T10] [ 1838.167345][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1838.167593][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1838.167593][ T10] vlan_dev_init+0x97c/0xdd0 [ 1838.167593][ T10] register_netdevice+0x4d3/0x1690 [ 1838.167593][ T10] register_vlan_dev+0x162/0x4a0 [ 1838.167593][ T10] vlan_newlink+0x393/0x610 [ 1838.167593][ T10] rtnl_newlink_create+0x341/0x850 [ 1838.167593][ T10] __rtnl_newlink+0xac9/0xd80 [ 1838.167593][ T10] rtnl_newlink+0x63/0xa0 [ 1838.167593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1838.167593][ T10] netlink_rcv_skb+0x130/0x360 [ 1838.167593][ T10] netlink_unicast+0x449/0x710 [ 1838.167593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1838.167593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1838.167593][ T10] ___sys_sendmsg+0xee/0x170 [ 1838.167593][ T10] __sys_sendmsg+0xcd/0x170 [ 1838.167593][ T10] do_syscall_64+0xc6/0x1e0 [ 1838.167593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1838.167593][ T10] [ 1848.411999][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1848.412477][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1848.412477][ T10] netdev_get_by_index+0x5e/0x80 [ 1848.412477][ T10] fib6_nh_init+0x3d8/0x1580 [ 1848.412477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1848.412477][ T10] ip6_route_add+0x1c/0x140 [ 1848.412477][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1848.412477][ T10] inet6_addr_add+0x4f8/0xa40 [ 1848.412477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.412477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.412477][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.412477][ T10] netlink_unicast+0x449/0x710 [ 1848.412477][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.412477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.412477][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.412477][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.412477][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.412477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.412477][ T10] [ 1848.414552][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1848.414552][ T10] netdev_get_by_index+0x5e/0x80 [ 1848.414552][ T10] fib6_nh_init+0x3d8/0x1580 [ 1848.414552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1848.414552][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1848.414552][ T10] ipv6_add_addr+0x411/0x2000 [ 1848.414552][ T10] inet6_addr_add+0x30e/0xa40 [ 1848.414552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.414552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.414552][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.414552][ T10] netlink_unicast+0x449/0x710 [ 1848.414552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.414552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.414552][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.414552][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.414552][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.414552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.414552][ T10] [ 1848.416583][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1848.416583][ T10] netdev_get_by_index+0x5e/0x80 [ 1848.416583][ T10] fib6_nh_init+0x3d8/0x1580 [ 1848.416583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1848.416583][ T10] ip6_route_add+0x1c/0x140 [ 1848.416583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1848.416583][ T10] addrconf_add_dev+0xe2/0x170 [ 1848.416583][ T10] inet6_addr_add+0x12f/0xa40 [ 1848.416583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.416583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.416583][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.416583][ T10] netlink_unicast+0x449/0x710 [ 1848.416583][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.416583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.416583][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.416583][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.416583][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.416583][ T10] [ 1848.418569][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1848.418569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1848.418569][ T10] ipv6_find_idev+0x102/0x170 [ 1848.418569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.418569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.418569][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.418569][ T10] netlink_unicast+0x449/0x710 [ 1848.418569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.418569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.418569][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.418569][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.418569][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.418569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.418569][ T10] [ 1848.420128][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1848.420128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1848.420128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1848.420128][ T10] ipv6_find_idev+0x102/0x170 [ 1848.420128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.420128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.420128][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.420128][ T10] netlink_unicast+0x449/0x710 [ 1848.420128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.420128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.420128][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.420128][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.420128][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.420128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.420128][ T10] [ 1848.421848][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1848.422699][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1848.422699][ T10] netdev_get_by_index+0x5e/0x80 [ 1848.422699][ T10] fib6_nh_init+0x3d8/0x1580 [ 1848.422699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1848.422699][ T10] ip6_route_add+0x1c/0x140 [ 1848.422699][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1848.422699][ T10] inet6_addr_add+0x4f8/0xa40 [ 1848.422699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.422699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.422699][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.422699][ T10] netlink_unicast+0x449/0x710 [ 1848.422699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.422699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.422699][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.422699][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.422699][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.422699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.422699][ T10] [ 1848.424727][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1848.424727][ T10] netdev_get_by_index+0x5e/0x80 [ 1848.424727][ T10] fib6_nh_init+0x3d8/0x1580 [ 1848.424727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1848.424727][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1848.424727][ T10] ipv6_add_addr+0x411/0x2000 [ 1848.424727][ T10] inet6_addr_add+0x30e/0xa40 [ 1848.424727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.424727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.424727][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.424727][ T10] netlink_unicast+0x449/0x710 [ 1848.424727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.424727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.424727][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.424727][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.424727][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.424727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.424727][ T10] [ 1848.427135][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1848.427135][ T10] netdev_get_by_index+0x5e/0x80 [ 1848.427135][ T10] fib6_nh_init+0x3d8/0x1580 [ 1848.427135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1848.427135][ T10] ip6_route_add+0x1c/0x140 [ 1848.427135][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1848.427135][ T10] addrconf_add_dev+0xe2/0x170 [ 1848.427135][ T10] inet6_addr_add+0x12f/0xa40 [ 1848.427135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1848.427135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.427135][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.427135][ T10] netlink_unicast+0x449/0x710 [ 1848.427135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.427135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.427135][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.427135][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.427135][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.427135][ T10] [ 1848.429112][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1848.429112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1848.429112][ T10] ipv6_find_idev+0x102/0x170 [ 1848.429112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.429112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.429112][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.429112][ T10] netlink_unicast+0x449/0x710 [ 1848.429112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.429112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.429112][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.429112][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.429112][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.429112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.429112][ T10] [ 1848.430663][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1848.430663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1848.430663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1848.430663][ T10] ipv6_find_idev+0x102/0x170 [ 1848.430663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1848.430663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.430663][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.430663][ T10] netlink_unicast+0x449/0x710 [ 1848.430663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.430663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.430663][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.430663][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.430663][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.430663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.430663][ T10] [ 1848.432370][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1848.432616][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1848.432616][ T10] vlan_dev_init+0x97c/0xdd0 [ 1848.432616][ T10] register_netdevice+0x4d3/0x1690 [ 1848.432616][ T10] register_vlan_dev+0x162/0x4a0 [ 1848.432616][ T10] vlan_newlink+0x393/0x610 [ 1848.432616][ T10] rtnl_newlink_create+0x341/0x850 [ 1848.432616][ T10] __rtnl_newlink+0xac9/0xd80 [ 1848.432616][ T10] rtnl_newlink+0x63/0xa0 [ 1848.432616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1848.432616][ T10] netlink_rcv_skb+0x130/0x360 [ 1848.432616][ T10] netlink_unicast+0x449/0x710 [ 1848.432616][ T10] netlink_sendmsg+0x723/0xbe0 [ 1848.432616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1848.432616][ T10] ___sys_sendmsg+0xee/0x170 [ 1848.432616][ T10] __sys_sendmsg+0xcd/0x170 [ 1848.432616][ T10] do_syscall_64+0xc6/0x1e0 [ 1848.432616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1848.432616][ T10] [ 1858.676006][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1858.676496][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1858.676496][ T10] netdev_get_by_index+0x5e/0x80 [ 1858.676496][ T10] fib6_nh_init+0x3d8/0x1580 [ 1858.676496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1858.676496][ T10] ip6_route_add+0x1c/0x140 [ 1858.676496][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1858.676496][ T10] inet6_addr_add+0x4f8/0xa40 [ 1858.676496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.676496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.676496][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.676496][ T10] netlink_unicast+0x449/0x710 [ 1858.676496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.676496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.676496][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.676496][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.676496][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.676496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.676496][ T10] [ 1858.678543][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1858.678543][ T10] netdev_get_by_index+0x5e/0x80 [ 1858.678543][ T10] fib6_nh_init+0x3d8/0x1580 [ 1858.678543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1858.678543][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1858.678543][ T10] ipv6_add_addr+0x411/0x2000 [ 1858.678543][ T10] inet6_addr_add+0x30e/0xa40 [ 1858.678543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.678543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.678543][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.678543][ T10] netlink_unicast+0x449/0x710 [ 1858.678543][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.678543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.678543][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.678543][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.678543][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.678543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.678543][ T10] [ 1858.680562][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1858.680562][ T10] netdev_get_by_index+0x5e/0x80 [ 1858.680562][ T10] fib6_nh_init+0x3d8/0x1580 [ 1858.680562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1858.680562][ T10] ip6_route_add+0x1c/0x140 [ 1858.680562][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1858.680562][ T10] addrconf_add_dev+0xe2/0x170 [ 1858.680562][ T10] inet6_addr_add+0x12f/0xa40 [ 1858.680562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.680562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.680562][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.680562][ T10] netlink_unicast+0x449/0x710 [ 1858.680562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.680562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.680562][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.680562][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.680562][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.680562][ T10] [ 1858.682549][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1858.682549][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1858.682549][ T10] ipv6_find_idev+0x102/0x170 [ 1858.682549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.682549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.682549][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.682549][ T10] netlink_unicast+0x449/0x710 [ 1858.682549][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.682549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.682549][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.682549][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.682549][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.682549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.682549][ T10] [ 1858.684117][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1858.684117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1858.684117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1858.684117][ T10] ipv6_find_idev+0x102/0x170 [ 1858.684117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.684117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.684117][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.684117][ T10] netlink_unicast+0x449/0x710 [ 1858.684117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.684117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.684117][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.684117][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.684117][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.684117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.684117][ T10] [ 1858.685821][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1858.686112][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1858.686112][ T10] netdev_get_by_index+0x5e/0x80 [ 1858.686112][ T10] fib6_nh_init+0x3d8/0x1580 [ 1858.686112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1858.686112][ T10] ip6_route_add+0x1c/0x140 [ 1858.686112][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1858.686112][ T10] inet6_addr_add+0x4f8/0xa40 [ 1858.686112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.686112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.686112][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.686112][ T10] netlink_unicast+0x449/0x710 [ 1858.686112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.686112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.686112][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.686112][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.686112][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.686112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.686112][ T10] [ 1858.688135][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1858.688135][ T10] netdev_get_by_index+0x5e/0x80 [ 1858.688135][ T10] fib6_nh_init+0x3d8/0x1580 [ 1858.688135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1858.688135][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1858.688135][ T10] ipv6_add_addr+0x411/0x2000 [ 1858.688135][ T10] inet6_addr_add+0x30e/0xa40 [ 1858.688135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.688135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.688135][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.688135][ T10] netlink_unicast+0x449/0x710 [ 1858.688135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.688135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.688135][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.688135][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.688135][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.688135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.688135][ T10] [ 1858.690144][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1858.690144][ T10] netdev_get_by_index+0x5e/0x80 [ 1858.690144][ T10] fib6_nh_init+0x3d8/0x1580 [ 1858.690144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1858.690144][ T10] ip6_route_add+0x1c/0x140 [ 1858.690144][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1858.690144][ T10] addrconf_add_dev+0xe2/0x170 [ 1858.690144][ T10] inet6_addr_add+0x12f/0xa40 [ 1858.690144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1858.690144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.690144][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.690144][ T10] netlink_unicast+0x449/0x710 [ 1858.690144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.690144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.690144][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.690144][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.690144][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.690144][ T10] [ 1858.692133][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1858.692133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1858.692133][ T10] ipv6_find_idev+0x102/0x170 [ 1858.692133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.692133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.692133][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.692133][ T10] netlink_unicast+0x449/0x710 [ 1858.692133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.692133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.692133][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.692133][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.692133][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.692133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.692133][ T10] [ 1858.693694][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1858.693694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1858.693694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1858.693694][ T10] ipv6_find_idev+0x102/0x170 [ 1858.693694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1858.693694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.693694][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.693694][ T10] netlink_unicast+0x449/0x710 [ 1858.693694][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.693694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.693694][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.693694][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.693694][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.693694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.693694][ T10] [ 1858.695406][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1858.695651][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1858.695651][ T10] vlan_dev_init+0x97c/0xdd0 [ 1858.695651][ T10] register_netdevice+0x4d3/0x1690 [ 1858.695651][ T10] register_vlan_dev+0x162/0x4a0 [ 1858.695651][ T10] vlan_newlink+0x393/0x610 [ 1858.695651][ T10] rtnl_newlink_create+0x341/0x850 [ 1858.695651][ T10] __rtnl_newlink+0xac9/0xd80 [ 1858.695651][ T10] rtnl_newlink+0x63/0xa0 [ 1858.695651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1858.695651][ T10] netlink_rcv_skb+0x130/0x360 [ 1858.695651][ T10] netlink_unicast+0x449/0x710 [ 1858.695651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1858.695651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1858.695651][ T10] ___sys_sendmsg+0xee/0x170 [ 1858.695651][ T10] __sys_sendmsg+0xcd/0x170 [ 1858.695651][ T10] do_syscall_64+0xc6/0x1e0 [ 1858.695651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1858.695651][ T10] [ 1868.940006][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1868.940435][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1868.940435][ T10] netdev_get_by_index+0x5e/0x80 [ 1868.940435][ T10] fib6_nh_init+0x3d8/0x1580 [ 1868.940435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1868.940435][ T10] ip6_route_add+0x1c/0x140 [ 1868.940435][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1868.940435][ T10] inet6_addr_add+0x4f8/0xa40 [ 1868.940435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.940435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.940435][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.940435][ T10] netlink_unicast+0x449/0x710 [ 1868.940435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.940435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.940435][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.940435][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.940435][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.940435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.940435][ T10] [ 1868.942488][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1868.942488][ T10] netdev_get_by_index+0x5e/0x80 [ 1868.942488][ T10] fib6_nh_init+0x3d8/0x1580 [ 1868.942488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1868.942488][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1868.942488][ T10] ipv6_add_addr+0x411/0x2000 [ 1868.942488][ T10] inet6_addr_add+0x30e/0xa40 [ 1868.942488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.942488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.942488][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.942488][ T10] netlink_unicast+0x449/0x710 [ 1868.942488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.942488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.942488][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.942488][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.942488][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.942488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.942488][ T10] [ 1868.944520][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1868.944520][ T10] netdev_get_by_index+0x5e/0x80 [ 1868.944520][ T10] fib6_nh_init+0x3d8/0x1580 [ 1868.944520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1868.944520][ T10] ip6_route_add+0x1c/0x140 [ 1868.944520][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1868.944520][ T10] addrconf_add_dev+0xe2/0x170 [ 1868.944520][ T10] inet6_addr_add+0x12f/0xa40 [ 1868.944520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.944520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.944520][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.944520][ T10] netlink_unicast+0x449/0x710 [ 1868.944520][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.944520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.944520][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.944520][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.944520][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.944520][ T10] [ 1868.946508][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1868.946508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1868.946508][ T10] ipv6_find_idev+0x102/0x170 [ 1868.946508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1868.946508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.946508][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.946508][ T10] netlink_unicast+0x449/0x710 [ 1868.946508][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.946508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.946508][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.946508][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.946508][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.946508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.946508][ T10] [ 1868.948062][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1868.948062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1868.948062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1868.948062][ T10] ipv6_find_idev+0x102/0x170 [ 1868.948062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1868.948062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.948062][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.948062][ T10] netlink_unicast+0x449/0x710 [ 1868.948062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.948062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.948062][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.948062][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.948062][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.948062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.948062][ T10] [ 1868.949772][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1868.950057][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1868.950057][ T10] netdev_get_by_index+0x5e/0x80 [ 1868.950057][ T10] fib6_nh_init+0x3d8/0x1580 [ 1868.950057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1868.950057][ T10] ip6_route_add+0x1c/0x140 [ 1868.950057][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1868.950057][ T10] inet6_addr_add+0x4f8/0xa40 [ 1868.950057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.950057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.950057][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.950057][ T10] netlink_unicast+0x449/0x710 [ 1868.950057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.950057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.950057][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.950057][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.950057][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.950057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.950057][ T10] [ 1868.952079][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1868.952079][ T10] netdev_get_by_index+0x5e/0x80 [ 1868.952079][ T10] fib6_nh_init+0x3d8/0x1580 [ 1868.952079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1868.952079][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1868.952079][ T10] ipv6_add_addr+0x411/0x2000 [ 1868.952079][ T10] inet6_addr_add+0x30e/0xa40 [ 1868.952079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.952079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.952079][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.952079][ T10] netlink_unicast+0x449/0x710 [ 1868.952079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.952079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.952079][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.952079][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.952079][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.952079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.952079][ T10] [ 1868.954101][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1868.954101][ T10] netdev_get_by_index+0x5e/0x80 [ 1868.954101][ T10] fib6_nh_init+0x3d8/0x1580 [ 1868.954101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1868.954101][ T10] ip6_route_add+0x1c/0x140 [ 1868.954101][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1868.954101][ T10] addrconf_add_dev+0xe2/0x170 [ 1868.954101][ T10] inet6_addr_add+0x12f/0xa40 [ 1868.954101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1868.954101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.954101][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.954101][ T10] netlink_unicast+0x449/0x710 [ 1868.954101][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.954101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.954101][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.954101][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.954101][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.954101][ T10] [ 1868.956070][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1868.956070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1868.956070][ T10] ipv6_find_idev+0x102/0x170 [ 1868.956070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1868.956070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.956070][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.956070][ T10] netlink_unicast+0x449/0x710 [ 1868.956070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.956070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.956070][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.956070][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.956070][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.956070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.956070][ T10] [ 1868.957622][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1868.957622][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1868.957622][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1868.957622][ T10] ipv6_find_idev+0x102/0x170 [ 1868.957622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1868.957622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.957622][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.957622][ T10] netlink_unicast+0x449/0x710 [ 1868.957622][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.957622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.957622][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.957622][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.957622][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.957622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.957622][ T10] [ 1868.959332][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1868.959582][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1868.959582][ T10] vlan_dev_init+0x97c/0xdd0 [ 1868.959582][ T10] register_netdevice+0x4d3/0x1690 [ 1868.959582][ T10] register_vlan_dev+0x162/0x4a0 [ 1868.959582][ T10] vlan_newlink+0x393/0x610 [ 1868.959582][ T10] rtnl_newlink_create+0x341/0x850 [ 1868.959582][ T10] __rtnl_newlink+0xac9/0xd80 [ 1868.959582][ T10] rtnl_newlink+0x63/0xa0 [ 1868.959582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1868.959582][ T10] netlink_rcv_skb+0x130/0x360 [ 1868.959582][ T10] netlink_unicast+0x449/0x710 [ 1868.959582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1868.959582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1868.959582][ T10] ___sys_sendmsg+0xee/0x170 [ 1868.959582][ T10] __sys_sendmsg+0xcd/0x170 [ 1868.959582][ T10] do_syscall_64+0xc6/0x1e0 [ 1868.959582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1868.959582][ T10] [ 1879.203922][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1879.204361][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1879.204361][ T10] netdev_get_by_index+0x5e/0x80 [ 1879.204361][ T10] fib6_nh_init+0x3d8/0x1580 [ 1879.204361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1879.204361][ T10] ip6_route_add+0x1c/0x140 [ 1879.204361][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1879.204361][ T10] inet6_addr_add+0x4f8/0xa40 [ 1879.204361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.204361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.204361][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.204361][ T10] netlink_unicast+0x449/0x710 [ 1879.204361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.204361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.204361][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.204361][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.204361][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.204361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.204361][ T10] [ 1879.206408][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1879.206408][ T10] netdev_get_by_index+0x5e/0x80 [ 1879.206408][ T10] fib6_nh_init+0x3d8/0x1580 [ 1879.206408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1879.206408][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1879.206408][ T10] ipv6_add_addr+0x411/0x2000 [ 1879.206408][ T10] inet6_addr_add+0x30e/0xa40 [ 1879.206408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.206408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.206408][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.206408][ T10] netlink_unicast+0x449/0x710 [ 1879.206408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.206408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.206408][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.206408][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.206408][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.206408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.206408][ T10] [ 1879.208435][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1879.208435][ T10] netdev_get_by_index+0x5e/0x80 [ 1879.208435][ T10] fib6_nh_init+0x3d8/0x1580 [ 1879.208435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1879.208435][ T10] ip6_route_add+0x1c/0x140 [ 1879.208435][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1879.208435][ T10] addrconf_add_dev+0xe2/0x170 [ 1879.208435][ T10] inet6_addr_add+0x12f/0xa40 [ 1879.208435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.208435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.208435][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.208435][ T10] netlink_unicast+0x449/0x710 [ 1879.208435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.208435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.208435][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.208435][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.208435][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.208435][ T10] [ 1879.210432][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1879.210432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1879.210432][ T10] ipv6_find_idev+0x102/0x170 [ 1879.210432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.210432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.210432][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.210432][ T10] netlink_unicast+0x449/0x710 [ 1879.210432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.210432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.210432][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.210432][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.210432][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.210432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.210432][ T10] [ 1879.211990][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1879.211990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1879.211990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1879.211990][ T10] ipv6_find_idev+0x102/0x170 [ 1879.211990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.211990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.211990][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.211990][ T10] netlink_unicast+0x449/0x710 [ 1879.211990][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.211990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.211990][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.211990][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.211990][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.211990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.211990][ T10] [ 1879.213713][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1879.214006][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1879.214006][ T10] netdev_get_by_index+0x5e/0x80 [ 1879.214006][ T10] fib6_nh_init+0x3d8/0x1580 [ 1879.214006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1879.214006][ T10] ip6_route_add+0x1c/0x140 [ 1879.214006][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1879.214006][ T10] inet6_addr_add+0x4f8/0xa40 [ 1879.214006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.214006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.214006][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.214006][ T10] netlink_unicast+0x449/0x710 [ 1879.214006][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.214006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.214006][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.214006][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.214006][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.214006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.214006][ T10] [ 1879.216035][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1879.216035][ T10] netdev_get_by_index+0x5e/0x80 [ 1879.216035][ T10] fib6_nh_init+0x3d8/0x1580 [ 1879.216035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1879.216035][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1879.216035][ T10] ipv6_add_addr+0x411/0x2000 [ 1879.216035][ T10] inet6_addr_add+0x30e/0xa40 [ 1879.216035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.216035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.216035][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.216035][ T10] netlink_unicast+0x449/0x710 [ 1879.216035][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.216035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.216035][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.216035][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.216035][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.216035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.216035][ T10] [ 1879.218052][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1879.218052][ T10] netdev_get_by_index+0x5e/0x80 [ 1879.218052][ T10] fib6_nh_init+0x3d8/0x1580 [ 1879.218052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1879.218052][ T10] ip6_route_add+0x1c/0x140 [ 1879.218052][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1879.218052][ T10] addrconf_add_dev+0xe2/0x170 [ 1879.218052][ T10] inet6_addr_add+0x12f/0xa40 [ 1879.218052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1879.218052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.218052][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.218052][ T10] netlink_unicast+0x449/0x710 [ 1879.218052][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.218052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.218052][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.218052][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.218052][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.218052][ T10] [ 1879.220038][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1879.220038][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1879.220038][ T10] ipv6_find_idev+0x102/0x170 [ 1879.220038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.220038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.220038][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.220038][ T10] netlink_unicast+0x449/0x710 [ 1879.220038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.220038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.220038][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.220038][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.220038][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.220038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.220038][ T10] [ 1879.221600][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1879.221600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1879.221600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1879.221600][ T10] ipv6_find_idev+0x102/0x170 [ 1879.221600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1879.221600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.221600][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.221600][ T10] netlink_unicast+0x449/0x710 [ 1879.221600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.221600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.221600][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.221600][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.221600][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.221600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.221600][ T10] [ 1879.223304][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1879.223556][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1879.223556][ T10] vlan_dev_init+0x97c/0xdd0 [ 1879.223556][ T10] register_netdevice+0x4d3/0x1690 [ 1879.223556][ T10] register_vlan_dev+0x162/0x4a0 [ 1879.223556][ T10] vlan_newlink+0x393/0x610 [ 1879.223556][ T10] rtnl_newlink_create+0x341/0x850 [ 1879.223556][ T10] __rtnl_newlink+0xac9/0xd80 [ 1879.223556][ T10] rtnl_newlink+0x63/0xa0 [ 1879.223556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1879.223556][ T10] netlink_rcv_skb+0x130/0x360 [ 1879.223556][ T10] netlink_unicast+0x449/0x710 [ 1879.223556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1879.223556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1879.223556][ T10] ___sys_sendmsg+0xee/0x170 [ 1879.223556][ T10] __sys_sendmsg+0xcd/0x170 [ 1879.223556][ T10] do_syscall_64+0xc6/0x1e0 [ 1879.223556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1879.223556][ T10] [ 1889.467927][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1889.468410][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1889.468410][ T10] netdev_get_by_index+0x5e/0x80 [ 1889.468410][ T10] fib6_nh_init+0x3d8/0x1580 [ 1889.468410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1889.468410][ T10] ip6_route_add+0x1c/0x140 [ 1889.468410][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1889.468410][ T10] inet6_addr_add+0x4f8/0xa40 [ 1889.468410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.468410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.468410][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.468410][ T10] netlink_unicast+0x449/0x710 [ 1889.468410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.468410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.468410][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.468410][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.468410][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.468410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.468410][ T10] [ 1889.470473][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1889.470473][ T10] netdev_get_by_index+0x5e/0x80 [ 1889.470473][ T10] fib6_nh_init+0x3d8/0x1580 [ 1889.470473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1889.470473][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1889.470473][ T10] ipv6_add_addr+0x411/0x2000 [ 1889.470473][ T10] inet6_addr_add+0x30e/0xa40 [ 1889.470473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.470473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.470473][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.470473][ T10] netlink_unicast+0x449/0x710 [ 1889.470473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.470473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.470473][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.470473][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.470473][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.470473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.470473][ T10] [ 1889.472516][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1889.472516][ T10] netdev_get_by_index+0x5e/0x80 [ 1889.472516][ T10] fib6_nh_init+0x3d8/0x1580 [ 1889.472516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1889.472516][ T10] ip6_route_add+0x1c/0x140 [ 1889.472516][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1889.472516][ T10] addrconf_add_dev+0xe2/0x170 [ 1889.472516][ T10] inet6_addr_add+0x12f/0xa40 [ 1889.472516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.472516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.472516][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.472516][ T10] netlink_unicast+0x449/0x710 [ 1889.472516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.472516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.472516][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.472516][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.472516][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.472516][ T10] [ 1889.474528][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1889.474528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1889.474528][ T10] ipv6_find_idev+0x102/0x170 [ 1889.474528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.474528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.474528][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.474528][ T10] netlink_unicast+0x449/0x710 [ 1889.474528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.474528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.474528][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.474528][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.474528][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.474528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.474528][ T10] [ 1889.476098][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1889.476098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1889.476098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1889.476098][ T10] ipv6_find_idev+0x102/0x170 [ 1889.476098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.476098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.476098][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.476098][ T10] netlink_unicast+0x449/0x710 [ 1889.476098][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.476098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.476098][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.476098][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.476098][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.476098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.476098][ T10] [ 1889.477828][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1889.478129][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1889.478129][ T10] netdev_get_by_index+0x5e/0x80 [ 1889.478129][ T10] fib6_nh_init+0x3d8/0x1580 [ 1889.478129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1889.478129][ T10] ip6_route_add+0x1c/0x140 [ 1889.478129][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1889.478129][ T10] inet6_addr_add+0x4f8/0xa40 [ 1889.478129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.478129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.478129][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.478129][ T10] netlink_unicast+0x449/0x710 [ 1889.478129][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.478129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.478129][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.478129][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.478129][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.478129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.478129][ T10] [ 1889.480168][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1889.480168][ T10] netdev_get_by_index+0x5e/0x80 [ 1889.480168][ T10] fib6_nh_init+0x3d8/0x1580 [ 1889.480168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1889.480168][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1889.480168][ T10] ipv6_add_addr+0x411/0x2000 [ 1889.480168][ T10] inet6_addr_add+0x30e/0xa40 [ 1889.480168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.480168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.480168][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.480168][ T10] netlink_unicast+0x449/0x710 [ 1889.480168][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.480168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.480168][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.480168][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.480168][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.480168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.480168][ T10] [ 1889.482205][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1889.482205][ T10] netdev_get_by_index+0x5e/0x80 [ 1889.482205][ T10] fib6_nh_init+0x3d8/0x1580 [ 1889.482205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1889.482205][ T10] ip6_route_add+0x1c/0x140 [ 1889.482205][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1889.482205][ T10] addrconf_add_dev+0xe2/0x170 [ 1889.482205][ T10] inet6_addr_add+0x12f/0xa40 [ 1889.482205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1889.482205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.482205][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.482205][ T10] netlink_unicast+0x449/0x710 [ 1889.482205][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.482205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.482205][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.482205][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.482205][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.482205][ T10] [ 1889.484217][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1889.484217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1889.484217][ T10] ipv6_find_idev+0x102/0x170 [ 1889.484217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.484217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.484217][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.484217][ T10] netlink_unicast+0x449/0x710 [ 1889.484217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.484217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.484217][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.484217][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.484217][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.484217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.484217][ T10] [ 1889.485779][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1889.485779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1889.485779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1889.485779][ T10] ipv6_find_idev+0x102/0x170 [ 1889.485779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1889.485779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.485779][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.485779][ T10] netlink_unicast+0x449/0x710 [ 1889.485779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.485779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.485779][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.485779][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.485779][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.485779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.485779][ T10] [ 1889.487508][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1889.487770][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1889.487770][ T10] vlan_dev_init+0x97c/0xdd0 [ 1889.487770][ T10] register_netdevice+0x4d3/0x1690 [ 1889.487770][ T10] register_vlan_dev+0x162/0x4a0 [ 1889.487770][ T10] vlan_newlink+0x393/0x610 [ 1889.487770][ T10] rtnl_newlink_create+0x341/0x850 [ 1889.487770][ T10] __rtnl_newlink+0xac9/0xd80 [ 1889.487770][ T10] rtnl_newlink+0x63/0xa0 [ 1889.487770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1889.487770][ T10] netlink_rcv_skb+0x130/0x360 [ 1889.487770][ T10] netlink_unicast+0x449/0x710 [ 1889.487770][ T10] netlink_sendmsg+0x723/0xbe0 [ 1889.487770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1889.487770][ T10] ___sys_sendmsg+0xee/0x170 [ 1889.487770][ T10] __sys_sendmsg+0xcd/0x170 [ 1889.487770][ T10] do_syscall_64+0xc6/0x1e0 [ 1889.487770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1889.487770][ T10] [ 1899.732013][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1899.732495][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1899.732495][ T10] netdev_get_by_index+0x5e/0x80 [ 1899.732495][ T10] fib6_nh_init+0x3d8/0x1580 [ 1899.732495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1899.732495][ T10] ip6_route_add+0x1c/0x140 [ 1899.732495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1899.732495][ T10] inet6_addr_add+0x4f8/0xa40 [ 1899.732495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.732495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.732495][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.732495][ T10] netlink_unicast+0x449/0x710 [ 1899.732495][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.732495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.732495][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.732495][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.732495][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.732495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.732495][ T10] [ 1899.734563][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1899.734563][ T10] netdev_get_by_index+0x5e/0x80 [ 1899.734563][ T10] fib6_nh_init+0x3d8/0x1580 [ 1899.734563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1899.734563][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1899.734563][ T10] ipv6_add_addr+0x411/0x2000 [ 1899.734563][ T10] inet6_addr_add+0x30e/0xa40 [ 1899.734563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.734563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.734563][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.734563][ T10] netlink_unicast+0x449/0x710 [ 1899.734563][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.734563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.734563][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.734563][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.734563][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.734563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.734563][ T10] [ 1899.736585][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1899.736585][ T10] netdev_get_by_index+0x5e/0x80 [ 1899.736585][ T10] fib6_nh_init+0x3d8/0x1580 [ 1899.736585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1899.736585][ T10] ip6_route_add+0x1c/0x140 [ 1899.736585][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1899.736585][ T10] addrconf_add_dev+0xe2/0x170 [ 1899.736585][ T10] inet6_addr_add+0x12f/0xa40 [ 1899.736585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.736585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.736585][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.736585][ T10] netlink_unicast+0x449/0x710 [ 1899.736585][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.736585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.736585][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.736585][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.736585][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.736585][ T10] [ 1899.738562][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1899.738562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1899.738562][ T10] ipv6_find_idev+0x102/0x170 [ 1899.738562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.738562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.738562][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.738562][ T10] netlink_unicast+0x449/0x710 [ 1899.738562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.738562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.738562][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.738562][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.738562][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.738562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.738562][ T10] [ 1899.740115][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1899.740115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1899.740115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1899.740115][ T10] ipv6_find_idev+0x102/0x170 [ 1899.740115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.740115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.740115][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.740115][ T10] netlink_unicast+0x449/0x710 [ 1899.740115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.740115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.740115][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.740115][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.740115][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.740115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.740115][ T10] [ 1899.741826][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1899.742110][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1899.742110][ T10] netdev_get_by_index+0x5e/0x80 [ 1899.742110][ T10] fib6_nh_init+0x3d8/0x1580 [ 1899.742110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1899.742110][ T10] ip6_route_add+0x1c/0x140 [ 1899.742110][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1899.742110][ T10] inet6_addr_add+0x4f8/0xa40 [ 1899.742110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.742110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.742110][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.742110][ T10] netlink_unicast+0x449/0x710 [ 1899.742110][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.742110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.742110][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.742110][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.742110][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.742110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.742110][ T10] [ 1899.744137][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1899.744137][ T10] netdev_get_by_index+0x5e/0x80 [ 1899.744137][ T10] fib6_nh_init+0x3d8/0x1580 [ 1899.744137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1899.744137][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1899.744137][ T10] ipv6_add_addr+0x411/0x2000 [ 1899.744137][ T10] inet6_addr_add+0x30e/0xa40 [ 1899.744137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.744137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.744137][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.744137][ T10] netlink_unicast+0x449/0x710 [ 1899.744137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.744137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.744137][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.744137][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.744137][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.744137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.744137][ T10] [ 1899.746145][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1899.746145][ T10] netdev_get_by_index+0x5e/0x80 [ 1899.746145][ T10] fib6_nh_init+0x3d8/0x1580 [ 1899.746145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1899.746145][ T10] ip6_route_add+0x1c/0x140 [ 1899.746145][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1899.746145][ T10] addrconf_add_dev+0xe2/0x170 [ 1899.746145][ T10] inet6_addr_add+0x12f/0xa40 [ 1899.746145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1899.746145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.746145][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.746145][ T10] netlink_unicast+0x449/0x710 [ 1899.746145][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.746145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.746145][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.746145][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.746145][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.746145][ T10] [ 1899.748119][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1899.748119][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1899.748119][ T10] ipv6_find_idev+0x102/0x170 [ 1899.748119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.748119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.748119][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.748119][ T10] netlink_unicast+0x449/0x710 [ 1899.748119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.748119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.748119][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.748119][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.748119][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.748119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.748119][ T10] [ 1899.749669][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1899.749669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1899.749669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1899.749669][ T10] ipv6_find_idev+0x102/0x170 [ 1899.749669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1899.749669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.749669][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.749669][ T10] netlink_unicast+0x449/0x710 [ 1899.749669][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.749669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.749669][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.749669][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.749669][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.749669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.749669][ T10] [ 1899.751360][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1899.751603][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1899.751603][ T10] vlan_dev_init+0x97c/0xdd0 [ 1899.751603][ T10] register_netdevice+0x4d3/0x1690 [ 1899.751603][ T10] register_vlan_dev+0x162/0x4a0 [ 1899.751603][ T10] vlan_newlink+0x393/0x610 [ 1899.751603][ T10] rtnl_newlink_create+0x341/0x850 [ 1899.751603][ T10] __rtnl_newlink+0xac9/0xd80 [ 1899.751603][ T10] rtnl_newlink+0x63/0xa0 [ 1899.751603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1899.751603][ T10] netlink_rcv_skb+0x130/0x360 [ 1899.751603][ T10] netlink_unicast+0x449/0x710 [ 1899.751603][ T10] netlink_sendmsg+0x723/0xbe0 [ 1899.751603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1899.751603][ T10] ___sys_sendmsg+0xee/0x170 [ 1899.751603][ T10] __sys_sendmsg+0xcd/0x170 [ 1899.751603][ T10] do_syscall_64+0xc6/0x1e0 [ 1899.751603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1899.751603][ T10] [ 1909.764000][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1909.764475][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1909.764475][ T10] netdev_get_by_index+0x5e/0x80 [ 1909.764475][ T10] fib6_nh_init+0x3d8/0x1580 [ 1909.764475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1909.764475][ T10] ip6_route_add+0x1c/0x140 [ 1909.764475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1909.764475][ T10] inet6_addr_add+0x4f8/0xa40 [ 1909.764475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.764475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.764475][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.764475][ T10] netlink_unicast+0x449/0x710 [ 1909.764475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.764475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.764475][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.764475][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.764475][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.764475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.764475][ T10] [ 1909.766527][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1909.766527][ T10] netdev_get_by_index+0x5e/0x80 [ 1909.766527][ T10] fib6_nh_init+0x3d8/0x1580 [ 1909.766527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1909.766527][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1909.766527][ T10] ipv6_add_addr+0x411/0x2000 [ 1909.766527][ T10] inet6_addr_add+0x30e/0xa40 [ 1909.766527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.766527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.766527][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.766527][ T10] netlink_unicast+0x449/0x710 [ 1909.766527][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.766527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.766527][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.766527][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.766527][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.766527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.766527][ T10] [ 1909.768553][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1909.768553][ T10] netdev_get_by_index+0x5e/0x80 [ 1909.768553][ T10] fib6_nh_init+0x3d8/0x1580 [ 1909.768553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1909.768553][ T10] ip6_route_add+0x1c/0x140 [ 1909.768553][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1909.768553][ T10] addrconf_add_dev+0xe2/0x170 [ 1909.768553][ T10] inet6_addr_add+0x12f/0xa40 [ 1909.768553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.768553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.768553][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.768553][ T10] netlink_unicast+0x449/0x710 [ 1909.768553][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.768553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.768553][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.768553][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.768553][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.768553][ T10] [ 1909.770538][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1909.770538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1909.770538][ T10] ipv6_find_idev+0x102/0x170 [ 1909.770538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.770538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.770538][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.770538][ T10] netlink_unicast+0x449/0x710 [ 1909.770538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.770538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.770538][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.770538][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.770538][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.770538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.770538][ T10] [ 1909.772093][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1909.772093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1909.772093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1909.772093][ T10] ipv6_find_idev+0x102/0x170 [ 1909.772093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.772093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.772093][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.772093][ T10] netlink_unicast+0x449/0x710 [ 1909.772093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.772093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.772093][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.772093][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.772093][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.772093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.772093][ T10] [ 1909.773812][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1909.774104][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1909.774104][ T10] netdev_get_by_index+0x5e/0x80 [ 1909.774104][ T10] fib6_nh_init+0x3d8/0x1580 [ 1909.774104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1909.774104][ T10] ip6_route_add+0x1c/0x140 [ 1909.774104][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1909.774104][ T10] inet6_addr_add+0x4f8/0xa40 [ 1909.774104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.774104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.774104][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.774104][ T10] netlink_unicast+0x449/0x710 [ 1909.774104][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.774104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.774104][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.774104][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.774104][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.774104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.774104][ T10] [ 1909.776119][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1909.776119][ T10] netdev_get_by_index+0x5e/0x80 [ 1909.776119][ T10] fib6_nh_init+0x3d8/0x1580 [ 1909.776119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1909.776119][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1909.776119][ T10] ipv6_add_addr+0x411/0x2000 [ 1909.776119][ T10] inet6_addr_add+0x30e/0xa40 [ 1909.776119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.776119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.776119][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.776119][ T10] netlink_unicast+0x449/0x710 [ 1909.776119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.776119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.776119][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.776119][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.776119][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.776119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.776119][ T10] [ 1909.778144][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1909.778144][ T10] netdev_get_by_index+0x5e/0x80 [ 1909.778144][ T10] fib6_nh_init+0x3d8/0x1580 [ 1909.778144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1909.778144][ T10] ip6_route_add+0x1c/0x140 [ 1909.778144][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1909.778144][ T10] addrconf_add_dev+0xe2/0x170 [ 1909.778144][ T10] inet6_addr_add+0x12f/0xa40 [ 1909.778144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1909.778144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.778144][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.778144][ T10] netlink_unicast+0x449/0x710 [ 1909.778144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.778144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.778144][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.778144][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.778144][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.778144][ T10] [ 1909.780122][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1909.780122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1909.780122][ T10] ipv6_find_idev+0x102/0x170 [ 1909.780122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.780122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.780122][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.780122][ T10] netlink_unicast+0x449/0x710 [ 1909.780122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.780122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.780122][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.780122][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.780122][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.780122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.780122][ T10] [ 1909.781974][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1909.781974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1909.781974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1909.781974][ T10] ipv6_find_idev+0x102/0x170 [ 1909.781974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1909.781974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.781974][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.781974][ T10] netlink_unicast+0x449/0x710 [ 1909.781974][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.781974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.781974][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.781974][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.781974][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.781974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.781974][ T10] [ 1909.783673][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1909.783919][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1909.783919][ T10] vlan_dev_init+0x97c/0xdd0 [ 1909.783919][ T10] register_netdevice+0x4d3/0x1690 [ 1909.783919][ T10] register_vlan_dev+0x162/0x4a0 [ 1909.783919][ T10] vlan_newlink+0x393/0x610 [ 1909.783919][ T10] rtnl_newlink_create+0x341/0x850 [ 1909.783919][ T10] __rtnl_newlink+0xac9/0xd80 [ 1909.783919][ T10] rtnl_newlink+0x63/0xa0 [ 1909.783919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1909.783919][ T10] netlink_rcv_skb+0x130/0x360 [ 1909.783919][ T10] netlink_unicast+0x449/0x710 [ 1909.783919][ T10] netlink_sendmsg+0x723/0xbe0 [ 1909.783919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1909.783919][ T10] ___sys_sendmsg+0xee/0x170 [ 1909.783919][ T10] __sys_sendmsg+0xcd/0x170 [ 1909.783919][ T10] do_syscall_64+0xc6/0x1e0 [ 1909.783919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1909.783919][ T10] [ 1920.035915][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1920.036405][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1920.036405][ T10] netdev_get_by_index+0x5e/0x80 [ 1920.036405][ T10] fib6_nh_init+0x3d8/0x1580 [ 1920.036405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1920.036405][ T10] ip6_route_add+0x1c/0x140 [ 1920.036405][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1920.036405][ T10] inet6_addr_add+0x4f8/0xa40 [ 1920.036405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.036405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.036405][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.036405][ T10] netlink_unicast+0x449/0x710 [ 1920.036405][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.036405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.036405][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.036405][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.036405][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.036405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.036405][ T10] [ 1920.038467][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1920.038467][ T10] netdev_get_by_index+0x5e/0x80 [ 1920.038467][ T10] fib6_nh_init+0x3d8/0x1580 [ 1920.038467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1920.038467][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1920.038467][ T10] ipv6_add_addr+0x411/0x2000 [ 1920.038467][ T10] inet6_addr_add+0x30e/0xa40 [ 1920.038467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.038467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.038467][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.038467][ T10] netlink_unicast+0x449/0x710 [ 1920.038467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.038467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.038467][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.038467][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.038467][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.038467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.038467][ T10] [ 1920.040520][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1920.040520][ T10] netdev_get_by_index+0x5e/0x80 [ 1920.040520][ T10] fib6_nh_init+0x3d8/0x1580 [ 1920.040520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1920.040520][ T10] ip6_route_add+0x1c/0x140 [ 1920.040520][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.040520][ T10] addrconf_add_dev+0xe2/0x170 [ 1920.040520][ T10] inet6_addr_add+0x12f/0xa40 [ 1920.040520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.040520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.040520][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.040520][ T10] netlink_unicast+0x449/0x710 [ 1920.040520][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.040520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.040520][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.040520][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.040520][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.040520][ T10] [ 1920.042515][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1920.042515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1920.042515][ T10] ipv6_find_idev+0x102/0x170 [ 1920.042515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.042515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.042515][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.042515][ T10] netlink_unicast+0x449/0x710 [ 1920.042515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.042515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.042515][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.042515][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.042515][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.042515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.042515][ T10] [ 1920.044091][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1920.044091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1920.044091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1920.044091][ T10] ipv6_find_idev+0x102/0x170 [ 1920.044091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.044091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.044091][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.044091][ T10] netlink_unicast+0x449/0x710 [ 1920.044091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.044091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.044091][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.044091][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.044091][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.044091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.044091][ T10] [ 1920.045834][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1920.046138][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1920.046138][ T10] netdev_get_by_index+0x5e/0x80 [ 1920.046138][ T10] fib6_nh_init+0x3d8/0x1580 [ 1920.046138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1920.046138][ T10] ip6_route_add+0x1c/0x140 [ 1920.046138][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1920.046138][ T10] inet6_addr_add+0x4f8/0xa40 [ 1920.046138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.046138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.046138][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.046138][ T10] netlink_unicast+0x449/0x710 [ 1920.046138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.046138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.046138][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.046138][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.046138][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.046138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.046138][ T10] [ 1920.048179][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1920.048179][ T10] netdev_get_by_index+0x5e/0x80 [ 1920.048179][ T10] fib6_nh_init+0x3d8/0x1580 [ 1920.048179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1920.048179][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1920.048179][ T10] ipv6_add_addr+0x411/0x2000 [ 1920.048179][ T10] inet6_addr_add+0x30e/0xa40 [ 1920.048179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.048179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.048179][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.048179][ T10] netlink_unicast+0x449/0x710 [ 1920.048179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.048179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.048179][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.048179][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.048179][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.048179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.048179][ T10] [ 1920.050205][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1920.050205][ T10] netdev_get_by_index+0x5e/0x80 [ 1920.050205][ T10] fib6_nh_init+0x3d8/0x1580 [ 1920.050205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1920.050205][ T10] ip6_route_add+0x1c/0x140 [ 1920.050205][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.050205][ T10] addrconf_add_dev+0xe2/0x170 [ 1920.050205][ T10] inet6_addr_add+0x12f/0xa40 [ 1920.050205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.050205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.050205][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.050205][ T10] netlink_unicast+0x449/0x710 [ 1920.050205][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.050205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.050205][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.050205][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.050205][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.050205][ T10] [ 1920.052209][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1920.052209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1920.052209][ T10] ipv6_find_idev+0x102/0x170 [ 1920.052209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.052209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.052209][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.052209][ T10] netlink_unicast+0x449/0x710 [ 1920.052209][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.052209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.052209][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.052209][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.052209][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.052209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.052209][ T10] [ 1920.053787][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1920.053787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1920.053787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1920.053787][ T10] ipv6_find_idev+0x102/0x170 [ 1920.053787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.053787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.053787][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.053787][ T10] netlink_unicast+0x449/0x710 [ 1920.053787][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.053787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.053787][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.053787][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.053787][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.053787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.053787][ T10] [ 1920.055511][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1920.055771][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1920.055771][ T10] vlan_dev_init+0x97c/0xdd0 [ 1920.055771][ T10] register_netdevice+0x4d3/0x1690 [ 1920.055771][ T10] register_vlan_dev+0x162/0x4a0 [ 1920.055771][ T10] vlan_newlink+0x393/0x610 [ 1920.055771][ T10] rtnl_newlink_create+0x341/0x850 [ 1920.055771][ T10] __rtnl_newlink+0xac9/0xd80 [ 1920.055771][ T10] rtnl_newlink+0x63/0xa0 [ 1920.055771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.055771][ T10] netlink_rcv_skb+0x130/0x360 [ 1920.055771][ T10] netlink_unicast+0x449/0x710 [ 1920.055771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1920.055771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1920.055771][ T10] ___sys_sendmsg+0xee/0x170 [ 1920.055771][ T10] __sys_sendmsg+0xcd/0x170 [ 1920.055771][ T10] do_syscall_64+0xc6/0x1e0 [ 1920.055771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.055771][ T10] [ 1930.059929][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1930.060415][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1930.060415][ T10] netdev_get_by_index+0x5e/0x80 [ 1930.060415][ T10] fib6_nh_init+0x3d8/0x1580 [ 1930.060415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1930.060415][ T10] ip6_route_add+0x1c/0x140 [ 1930.060415][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1930.060415][ T10] inet6_addr_add+0x4f8/0xa40 [ 1930.060415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.060415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.060415][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.060415][ T10] netlink_unicast+0x449/0x710 [ 1930.060415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.060415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.060415][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.060415][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.060415][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.060415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.060415][ T10] [ 1930.062478][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1930.062478][ T10] netdev_get_by_index+0x5e/0x80 [ 1930.062478][ T10] fib6_nh_init+0x3d8/0x1580 [ 1930.062478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1930.062478][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1930.062478][ T10] ipv6_add_addr+0x411/0x2000 [ 1930.062478][ T10] inet6_addr_add+0x30e/0xa40 [ 1930.062478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.062478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.062478][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.062478][ T10] netlink_unicast+0x449/0x710 [ 1930.062478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.062478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.062478][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.062478][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.062478][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.062478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.062478][ T10] [ 1930.064518][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1930.064518][ T10] netdev_get_by_index+0x5e/0x80 [ 1930.064518][ T10] fib6_nh_init+0x3d8/0x1580 [ 1930.064518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1930.064518][ T10] ip6_route_add+0x1c/0x140 [ 1930.064518][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1930.064518][ T10] addrconf_add_dev+0xe2/0x170 [ 1930.064518][ T10] inet6_addr_add+0x12f/0xa40 [ 1930.064518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.064518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.064518][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.064518][ T10] netlink_unicast+0x449/0x710 [ 1930.064518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.064518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.064518][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.064518][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.064518][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.064518][ T10] [ 1930.066514][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1930.066514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1930.066514][ T10] ipv6_find_idev+0x102/0x170 [ 1930.066514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.066514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.066514][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.066514][ T10] netlink_unicast+0x449/0x710 [ 1930.066514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.066514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.066514][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.066514][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.066514][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.066514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.066514][ T10] [ 1930.068078][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1930.068078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1930.068078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1930.068078][ T10] ipv6_find_idev+0x102/0x170 [ 1930.068078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.068078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.068078][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.068078][ T10] netlink_unicast+0x449/0x710 [ 1930.068078][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.068078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.068078][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.068078][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.068078][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.068078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.068078][ T10] [ 1930.069799][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1930.070092][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1930.070092][ T10] netdev_get_by_index+0x5e/0x80 [ 1930.070092][ T10] fib6_nh_init+0x3d8/0x1580 [ 1930.070092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1930.070092][ T10] ip6_route_add+0x1c/0x140 [ 1930.070092][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1930.070092][ T10] inet6_addr_add+0x4f8/0xa40 [ 1930.070092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.070092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.070092][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.070092][ T10] netlink_unicast+0x449/0x710 [ 1930.070092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.070092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.070092][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.070092][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.070092][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.070092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.070092][ T10] [ 1930.072131][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1930.072131][ T10] netdev_get_by_index+0x5e/0x80 [ 1930.072131][ T10] fib6_nh_init+0x3d8/0x1580 [ 1930.072131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1930.072131][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1930.072131][ T10] ipv6_add_addr+0x411/0x2000 [ 1930.072131][ T10] inet6_addr_add+0x30e/0xa40 [ 1930.072131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.072131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.072131][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.072131][ T10] netlink_unicast+0x449/0x710 [ 1930.072131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.072131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.072131][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.072131][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.072131][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.072131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.072131][ T10] [ 1930.074159][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1930.074159][ T10] netdev_get_by_index+0x5e/0x80 [ 1930.074159][ T10] fib6_nh_init+0x3d8/0x1580 [ 1930.074159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1930.074159][ T10] ip6_route_add+0x1c/0x140 [ 1930.074159][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1930.074159][ T10] addrconf_add_dev+0xe2/0x170 [ 1930.074159][ T10] inet6_addr_add+0x12f/0xa40 [ 1930.074159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.074159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.074159][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.074159][ T10] netlink_unicast+0x449/0x710 [ 1930.074159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.074159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.074159][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.074159][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.074159][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.074159][ T10] [ 1930.076152][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1930.076152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1930.076152][ T10] ipv6_find_idev+0x102/0x170 [ 1930.076152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.076152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.076152][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.076152][ T10] netlink_unicast+0x449/0x710 [ 1930.076152][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.076152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.076152][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.076152][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.076152][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.076152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.076152][ T10] [ 1930.077712][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1930.077712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1930.077712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1930.077712][ T10] ipv6_find_idev+0x102/0x170 [ 1930.077712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.077712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.077712][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.077712][ T10] netlink_unicast+0x449/0x710 [ 1930.077712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.077712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.077712][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.077712][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.077712][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.077712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.077712][ T10] [ 1930.079420][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1930.079675][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1930.079675][ T10] vlan_dev_init+0x97c/0xdd0 [ 1930.079675][ T10] register_netdevice+0x4d3/0x1690 [ 1930.079675][ T10] register_vlan_dev+0x162/0x4a0 [ 1930.079675][ T10] vlan_newlink+0x393/0x610 [ 1930.079675][ T10] rtnl_newlink_create+0x341/0x850 [ 1930.079675][ T10] __rtnl_newlink+0xac9/0xd80 [ 1930.079675][ T10] rtnl_newlink+0x63/0xa0 [ 1930.079675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.079675][ T10] netlink_rcv_skb+0x130/0x360 [ 1930.079675][ T10] netlink_unicast+0x449/0x710 [ 1930.079675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1930.079675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1930.079675][ T10] ___sys_sendmsg+0xee/0x170 [ 1930.079675][ T10] __sys_sendmsg+0xcd/0x170 [ 1930.079675][ T10] do_syscall_64+0xc6/0x1e0 [ 1930.079675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.079675][ T10] [ 1940.340026][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1940.340510][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1940.340510][ T10] netdev_get_by_index+0x5e/0x80 [ 1940.340510][ T10] fib6_nh_init+0x3d8/0x1580 [ 1940.340510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1940.340510][ T10] ip6_route_add+0x1c/0x140 [ 1940.340510][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1940.340510][ T10] inet6_addr_add+0x4f8/0xa40 [ 1940.340510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.340510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.340510][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.340510][ T10] netlink_unicast+0x449/0x710 [ 1940.340510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.340510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.340510][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.340510][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.340510][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.340510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.340510][ T10] [ 1940.342572][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1940.342572][ T10] netdev_get_by_index+0x5e/0x80 [ 1940.342572][ T10] fib6_nh_init+0x3d8/0x1580 [ 1940.342572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1940.342572][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1940.342572][ T10] ipv6_add_addr+0x411/0x2000 [ 1940.342572][ T10] inet6_addr_add+0x30e/0xa40 [ 1940.342572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.342572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.342572][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.342572][ T10] netlink_unicast+0x449/0x710 [ 1940.342572][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.342572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.342572][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.342572][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.342572][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.342572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.342572][ T10] [ 1940.344609][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1940.344609][ T10] netdev_get_by_index+0x5e/0x80 [ 1940.344609][ T10] fib6_nh_init+0x3d8/0x1580 [ 1940.344609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1940.344609][ T10] ip6_route_add+0x1c/0x140 [ 1940.344609][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1940.344609][ T10] addrconf_add_dev+0xe2/0x170 [ 1940.344609][ T10] inet6_addr_add+0x12f/0xa40 [ 1940.344609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.344609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.344609][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.344609][ T10] netlink_unicast+0x449/0x710 [ 1940.344609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.344609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.344609][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.344609][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.344609][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.344609][ T10] [ 1940.346601][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1940.346601][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1940.346601][ T10] ipv6_find_idev+0x102/0x170 [ 1940.346601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.346601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.346601][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.346601][ T10] netlink_unicast+0x449/0x710 [ 1940.346601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.346601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.346601][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.346601][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.346601][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.346601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.346601][ T10] [ 1940.348253][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1940.348253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1940.348253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1940.348253][ T10] ipv6_find_idev+0x102/0x170 [ 1940.348253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.348253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.348253][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.348253][ T10] netlink_unicast+0x449/0x710 [ 1940.348253][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.348253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.348253][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.348253][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.348253][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.348253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.348253][ T10] [ 1940.350301][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1940.350599][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1940.350599][ T10] netdev_get_by_index+0x5e/0x80 [ 1940.350599][ T10] fib6_nh_init+0x3d8/0x1580 [ 1940.350599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1940.350599][ T10] ip6_route_add+0x1c/0x140 [ 1940.350599][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1940.350599][ T10] inet6_addr_add+0x4f8/0xa40 [ 1940.350599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.350599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.350599][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.350599][ T10] netlink_unicast+0x449/0x710 [ 1940.350599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.350599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.350599][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.350599][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.350599][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.350599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.350599][ T10] [ 1940.352618][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1940.352618][ T10] netdev_get_by_index+0x5e/0x80 [ 1940.352618][ T10] fib6_nh_init+0x3d8/0x1580 [ 1940.352618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1940.352618][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1940.352618][ T10] ipv6_add_addr+0x411/0x2000 [ 1940.352618][ T10] inet6_addr_add+0x30e/0xa40 [ 1940.352618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.352618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.352618][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.352618][ T10] netlink_unicast+0x449/0x710 [ 1940.352618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.352618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.352618][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.352618][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.352618][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.352618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.352618][ T10] [ 1940.354661][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1940.354661][ T10] netdev_get_by_index+0x5e/0x80 [ 1940.354661][ T10] fib6_nh_init+0x3d8/0x1580 [ 1940.354661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1940.354661][ T10] ip6_route_add+0x1c/0x140 [ 1940.354661][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1940.354661][ T10] addrconf_add_dev+0xe2/0x170 [ 1940.354661][ T10] inet6_addr_add+0x12f/0xa40 [ 1940.354661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.354661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.354661][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.354661][ T10] netlink_unicast+0x449/0x710 [ 1940.354661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.354661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.354661][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.354661][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.354661][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.354661][ T10] [ 1940.356664][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1940.356664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1940.356664][ T10] ipv6_find_idev+0x102/0x170 [ 1940.356664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.356664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.356664][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.356664][ T10] netlink_unicast+0x449/0x710 [ 1940.356664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.356664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.356664][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.356664][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.356664][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.356664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.356664][ T10] [ 1940.358220][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1940.358220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1940.358220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1940.358220][ T10] ipv6_find_idev+0x102/0x170 [ 1940.358220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.358220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.358220][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.358220][ T10] netlink_unicast+0x449/0x710 [ 1940.358220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.358220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.358220][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.358220][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.358220][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.358220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.358220][ T10] [ 1940.359935][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1940.360183][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1940.360183][ T10] vlan_dev_init+0x97c/0xdd0 [ 1940.360183][ T10] register_netdevice+0x4d3/0x1690 [ 1940.360183][ T10] register_vlan_dev+0x162/0x4a0 [ 1940.360183][ T10] vlan_newlink+0x393/0x610 [ 1940.360183][ T10] rtnl_newlink_create+0x341/0x850 [ 1940.360183][ T10] __rtnl_newlink+0xac9/0xd80 [ 1940.360183][ T10] rtnl_newlink+0x63/0xa0 [ 1940.360183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.360183][ T10] netlink_rcv_skb+0x130/0x360 [ 1940.360183][ T10] netlink_unicast+0x449/0x710 [ 1940.360183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1940.360183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1940.360183][ T10] ___sys_sendmsg+0xee/0x170 [ 1940.360183][ T10] __sys_sendmsg+0xcd/0x170 [ 1940.360183][ T10] do_syscall_64+0xc6/0x1e0 [ 1940.360183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.360183][ T10] [ 1950.428008][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1950.428496][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1950.428496][ T10] netdev_get_by_index+0x5e/0x80 [ 1950.428496][ T10] fib6_nh_init+0x3d8/0x1580 [ 1950.428496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1950.428496][ T10] ip6_route_add+0x1c/0x140 [ 1950.428496][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1950.428496][ T10] inet6_addr_add+0x4f8/0xa40 [ 1950.428496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.428496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.428496][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.428496][ T10] netlink_unicast+0x449/0x710 [ 1950.428496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.428496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.428496][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.428496][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.428496][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.428496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.428496][ T10] [ 1950.430537][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1950.430537][ T10] netdev_get_by_index+0x5e/0x80 [ 1950.430537][ T10] fib6_nh_init+0x3d8/0x1580 [ 1950.430537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1950.430537][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1950.430537][ T10] ipv6_add_addr+0x411/0x2000 [ 1950.430537][ T10] inet6_addr_add+0x30e/0xa40 [ 1950.430537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.430537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.430537][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.430537][ T10] netlink_unicast+0x449/0x710 [ 1950.430537][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.430537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.430537][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.430537][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.430537][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.430537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.430537][ T10] [ 1950.432573][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1950.432573][ T10] netdev_get_by_index+0x5e/0x80 [ 1950.432573][ T10] fib6_nh_init+0x3d8/0x1580 [ 1950.432573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1950.432573][ T10] ip6_route_add+0x1c/0x140 [ 1950.432573][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1950.432573][ T10] addrconf_add_dev+0xe2/0x170 [ 1950.432573][ T10] inet6_addr_add+0x12f/0xa40 [ 1950.432573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.432573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.432573][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.432573][ T10] netlink_unicast+0x449/0x710 [ 1950.432573][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.432573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.432573][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.432573][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.432573][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.432573][ T10] [ 1950.434568][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1950.434568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1950.434568][ T10] ipv6_find_idev+0x102/0x170 [ 1950.434568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.434568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.434568][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.434568][ T10] netlink_unicast+0x449/0x710 [ 1950.434568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.434568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.434568][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.434568][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.434568][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.434568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.434568][ T10] [ 1950.436123][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1950.436123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1950.436123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1950.436123][ T10] ipv6_find_idev+0x102/0x170 [ 1950.436123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.436123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.436123][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.436123][ T10] netlink_unicast+0x449/0x710 [ 1950.436123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.436123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.436123][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.436123][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.436123][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.436123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.436123][ T10] [ 1950.437829][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1950.438119][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1950.438119][ T10] netdev_get_by_index+0x5e/0x80 [ 1950.438119][ T10] fib6_nh_init+0x3d8/0x1580 [ 1950.438119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1950.438119][ T10] ip6_route_add+0x1c/0x140 [ 1950.438119][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1950.438119][ T10] inet6_addr_add+0x4f8/0xa40 [ 1950.438119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.438119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.438119][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.438119][ T10] netlink_unicast+0x449/0x710 [ 1950.438119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.438119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.438119][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.438119][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.438119][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.438119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.438119][ T10] [ 1950.440133][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1950.440133][ T10] netdev_get_by_index+0x5e/0x80 [ 1950.440133][ T10] fib6_nh_init+0x3d8/0x1580 [ 1950.440133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1950.440133][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1950.440133][ T10] ipv6_add_addr+0x411/0x2000 [ 1950.440133][ T10] inet6_addr_add+0x30e/0xa40 [ 1950.440133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.440133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.440133][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.440133][ T10] netlink_unicast+0x449/0x710 [ 1950.440133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.440133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.440133][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.440133][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.440133][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.440133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.440133][ T10] [ 1950.442144][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1950.442144][ T10] netdev_get_by_index+0x5e/0x80 [ 1950.442144][ T10] fib6_nh_init+0x3d8/0x1580 [ 1950.442144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1950.442144][ T10] ip6_route_add+0x1c/0x140 [ 1950.442144][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1950.442144][ T10] addrconf_add_dev+0xe2/0x170 [ 1950.442144][ T10] inet6_addr_add+0x12f/0xa40 [ 1950.442144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1950.442144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.442144][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.442144][ T10] netlink_unicast+0x449/0x710 [ 1950.442144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.442144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.442144][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.442144][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.442144][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.442144][ T10] [ 1950.444131][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1950.444131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1950.444131][ T10] ipv6_find_idev+0x102/0x170 [ 1950.444131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.444131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.444131][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.444131][ T10] netlink_unicast+0x449/0x710 [ 1950.444131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.444131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.444131][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.444131][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.444131][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.444131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.444131][ T10] [ 1950.445680][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1950.445680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1950.445680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1950.445680][ T10] ipv6_find_idev+0x102/0x170 [ 1950.445680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1950.445680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.445680][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.445680][ T10] netlink_unicast+0x449/0x710 [ 1950.445680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.445680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.445680][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.445680][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.445680][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.445680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.445680][ T10] [ 1950.447376][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1950.447621][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1950.447621][ T10] vlan_dev_init+0x97c/0xdd0 [ 1950.447621][ T10] register_netdevice+0x4d3/0x1690 [ 1950.447621][ T10] register_vlan_dev+0x162/0x4a0 [ 1950.447621][ T10] vlan_newlink+0x393/0x610 [ 1950.447621][ T10] rtnl_newlink_create+0x341/0x850 [ 1950.447621][ T10] __rtnl_newlink+0xac9/0xd80 [ 1950.447621][ T10] rtnl_newlink+0x63/0xa0 [ 1950.447621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1950.447621][ T10] netlink_rcv_skb+0x130/0x360 [ 1950.447621][ T10] netlink_unicast+0x449/0x710 [ 1950.447621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1950.447621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1950.447621][ T10] ___sys_sendmsg+0xee/0x170 [ 1950.447621][ T10] __sys_sendmsg+0xcd/0x170 [ 1950.447621][ T10] do_syscall_64+0xc6/0x1e0 [ 1950.447621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1950.447621][ T10] [ 1960.692008][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1960.692439][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1960.692439][ T10] netdev_get_by_index+0x5e/0x80 [ 1960.692439][ T10] fib6_nh_init+0x3d8/0x1580 [ 1960.692439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1960.692439][ T10] ip6_route_add+0x1c/0x140 [ 1960.692439][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1960.692439][ T10] inet6_addr_add+0x4f8/0xa40 [ 1960.692439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.692439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.692439][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.692439][ T10] netlink_unicast+0x449/0x710 [ 1960.692439][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.692439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.692439][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.692439][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.692439][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.692439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.692439][ T10] [ 1960.694498][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1960.694498][ T10] netdev_get_by_index+0x5e/0x80 [ 1960.694498][ T10] fib6_nh_init+0x3d8/0x1580 [ 1960.694498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1960.694498][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1960.694498][ T10] ipv6_add_addr+0x411/0x2000 [ 1960.694498][ T10] inet6_addr_add+0x30e/0xa40 [ 1960.694498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.694498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.694498][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.694498][ T10] netlink_unicast+0x449/0x710 [ 1960.694498][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.694498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.694498][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.694498][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.694498][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.694498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.694498][ T10] [ 1960.696523][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1960.696523][ T10] netdev_get_by_index+0x5e/0x80 [ 1960.696523][ T10] fib6_nh_init+0x3d8/0x1580 [ 1960.696523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1960.696523][ T10] ip6_route_add+0x1c/0x140 [ 1960.696523][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1960.696523][ T10] addrconf_add_dev+0xe2/0x170 [ 1960.696523][ T10] inet6_addr_add+0x12f/0xa40 [ 1960.696523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.696523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.696523][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.696523][ T10] netlink_unicast+0x449/0x710 [ 1960.696523][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.696523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.696523][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.696523][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.696523][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.696523][ T10] [ 1960.698512][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1960.698512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1960.698512][ T10] ipv6_find_idev+0x102/0x170 [ 1960.698512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.698512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.698512][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.698512][ T10] netlink_unicast+0x449/0x710 [ 1960.698512][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.698512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.698512][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.698512][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.698512][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.698512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.698512][ T10] [ 1960.700081][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1960.700081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1960.700081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1960.700081][ T10] ipv6_find_idev+0x102/0x170 [ 1960.700081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.700081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.700081][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.700081][ T10] netlink_unicast+0x449/0x710 [ 1960.700081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.700081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.700081][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.700081][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.700081][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.700081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.700081][ T10] [ 1960.701786][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1960.702081][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1960.702081][ T10] netdev_get_by_index+0x5e/0x80 [ 1960.702081][ T10] fib6_nh_init+0x3d8/0x1580 [ 1960.702081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1960.702081][ T10] ip6_route_add+0x1c/0x140 [ 1960.702081][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1960.702081][ T10] inet6_addr_add+0x4f8/0xa40 [ 1960.702081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.702081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.702081][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.702081][ T10] netlink_unicast+0x449/0x710 [ 1960.702081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.702081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.702081][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.702081][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.702081][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.702081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.702081][ T10] [ 1960.704103][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1960.704103][ T10] netdev_get_by_index+0x5e/0x80 [ 1960.704103][ T10] fib6_nh_init+0x3d8/0x1580 [ 1960.704103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1960.704103][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1960.704103][ T10] ipv6_add_addr+0x411/0x2000 [ 1960.704103][ T10] inet6_addr_add+0x30e/0xa40 [ 1960.704103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.704103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.704103][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.704103][ T10] netlink_unicast+0x449/0x710 [ 1960.704103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.704103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.704103][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.704103][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.704103][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.704103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.704103][ T10] [ 1960.706110][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1960.706110][ T10] netdev_get_by_index+0x5e/0x80 [ 1960.706110][ T10] fib6_nh_init+0x3d8/0x1580 [ 1960.706110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1960.706110][ T10] ip6_route_add+0x1c/0x140 [ 1960.706110][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1960.706110][ T10] addrconf_add_dev+0xe2/0x170 [ 1960.706110][ T10] inet6_addr_add+0x12f/0xa40 [ 1960.706110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1960.706110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.706110][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.706110][ T10] netlink_unicast+0x449/0x710 [ 1960.706110][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.706110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.706110][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.706110][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.706110][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.706110][ T10] [ 1960.708085][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1960.708085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1960.708085][ T10] ipv6_find_idev+0x102/0x170 [ 1960.708085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.708085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.708085][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.708085][ T10] netlink_unicast+0x449/0x710 [ 1960.708085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.708085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.708085][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.708085][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.708085][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.708085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.708085][ T10] [ 1960.709627][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1960.709627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1960.709627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1960.709627][ T10] ipv6_find_idev+0x102/0x170 [ 1960.709627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1960.709627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.709627][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.709627][ T10] netlink_unicast+0x449/0x710 [ 1960.709627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.709627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.709627][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.709627][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.709627][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.709627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.709627][ T10] [ 1960.711335][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1960.711593][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1960.711593][ T10] vlan_dev_init+0x97c/0xdd0 [ 1960.711593][ T10] register_netdevice+0x4d3/0x1690 [ 1960.711593][ T10] register_vlan_dev+0x162/0x4a0 [ 1960.711593][ T10] vlan_newlink+0x393/0x610 [ 1960.711593][ T10] rtnl_newlink_create+0x341/0x850 [ 1960.711593][ T10] __rtnl_newlink+0xac9/0xd80 [ 1960.711593][ T10] rtnl_newlink+0x63/0xa0 [ 1960.711593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1960.711593][ T10] netlink_rcv_skb+0x130/0x360 [ 1960.711593][ T10] netlink_unicast+0x449/0x710 [ 1960.711593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1960.711593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1960.711593][ T10] ___sys_sendmsg+0xee/0x170 [ 1960.711593][ T10] __sys_sendmsg+0xcd/0x170 [ 1960.711593][ T10] do_syscall_64+0xc6/0x1e0 [ 1960.711593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1960.711593][ T10] [ 1970.955992][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1970.956488][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1970.956488][ T10] netdev_get_by_index+0x5e/0x80 [ 1970.956488][ T10] fib6_nh_init+0x3d8/0x1580 [ 1970.956488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1970.956488][ T10] ip6_route_add+0x1c/0x140 [ 1970.956488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1970.956488][ T10] inet6_addr_add+0x4f8/0xa40 [ 1970.956488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.956488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.956488][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.956488][ T10] netlink_unicast+0x449/0x710 [ 1970.956488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.956488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.956488][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.956488][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.956488][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.956488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.956488][ T10] [ 1970.958536][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1970.958536][ T10] netdev_get_by_index+0x5e/0x80 [ 1970.958536][ T10] fib6_nh_init+0x3d8/0x1580 [ 1970.958536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1970.958536][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1970.958536][ T10] ipv6_add_addr+0x411/0x2000 [ 1970.958536][ T10] inet6_addr_add+0x30e/0xa40 [ 1970.958536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.958536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.958536][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.958536][ T10] netlink_unicast+0x449/0x710 [ 1970.958536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.958536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.958536][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.958536][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.958536][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.958536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.958536][ T10] [ 1970.960610][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1970.960610][ T10] netdev_get_by_index+0x5e/0x80 [ 1970.960610][ T10] fib6_nh_init+0x3d8/0x1580 [ 1970.960610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1970.960610][ T10] ip6_route_add+0x1c/0x140 [ 1970.960610][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1970.960610][ T10] addrconf_add_dev+0xe2/0x170 [ 1970.960610][ T10] inet6_addr_add+0x12f/0xa40 [ 1970.960610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.960610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.960610][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.960610][ T10] netlink_unicast+0x449/0x710 [ 1970.960610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.960610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.960610][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.960610][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.960610][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.960610][ T10] [ 1970.962600][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1970.962600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1970.962600][ T10] ipv6_find_idev+0x102/0x170 [ 1970.962600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.962600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.962600][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.962600][ T10] netlink_unicast+0x449/0x710 [ 1970.962600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.962600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.962600][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.962600][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.962600][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.962600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.962600][ T10] [ 1970.964163][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1970.964163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1970.964163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1970.964163][ T10] ipv6_find_idev+0x102/0x170 [ 1970.964163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.964163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.964163][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.964163][ T10] netlink_unicast+0x449/0x710 [ 1970.964163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.964163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.964163][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.964163][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.964163][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.964163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.964163][ T10] [ 1970.965895][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1970.966177][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1970.966177][ T10] netdev_get_by_index+0x5e/0x80 [ 1970.966177][ T10] fib6_nh_init+0x3d8/0x1580 [ 1970.966177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1970.966177][ T10] ip6_route_add+0x1c/0x140 [ 1970.966177][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1970.966177][ T10] inet6_addr_add+0x4f8/0xa40 [ 1970.966177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.966177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.966177][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.966177][ T10] netlink_unicast+0x449/0x710 [ 1970.966177][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.966177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.966177][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.966177][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.966177][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.966177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.966177][ T10] [ 1970.968190][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1970.968190][ T10] netdev_get_by_index+0x5e/0x80 [ 1970.968190][ T10] fib6_nh_init+0x3d8/0x1580 [ 1970.968190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1970.968190][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1970.968190][ T10] ipv6_add_addr+0x411/0x2000 [ 1970.968190][ T10] inet6_addr_add+0x30e/0xa40 [ 1970.968190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.968190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.968190][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.968190][ T10] netlink_unicast+0x449/0x710 [ 1970.968190][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.968190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.968190][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.968190][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.968190][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.968190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.968190][ T10] [ 1970.970203][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1970.970203][ T10] netdev_get_by_index+0x5e/0x80 [ 1970.970203][ T10] fib6_nh_init+0x3d8/0x1580 [ 1970.970203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1970.970203][ T10] ip6_route_add+0x1c/0x140 [ 1970.970203][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1970.970203][ T10] addrconf_add_dev+0xe2/0x170 [ 1970.970203][ T10] inet6_addr_add+0x12f/0xa40 [ 1970.970203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1970.970203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.970203][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.970203][ T10] netlink_unicast+0x449/0x710 [ 1970.970203][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.970203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.970203][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.970203][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.970203][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.970203][ T10] [ 1970.972181][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1970.972181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1970.972181][ T10] ipv6_find_idev+0x102/0x170 [ 1970.972181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.972181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.972181][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.972181][ T10] netlink_unicast+0x449/0x710 [ 1970.972181][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.972181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.972181][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.972181][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.972181][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.972181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.972181][ T10] [ 1970.973739][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1970.973739][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1970.973739][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1970.973739][ T10] ipv6_find_idev+0x102/0x170 [ 1970.973739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1970.973739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.973739][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.973739][ T10] netlink_unicast+0x449/0x710 [ 1970.973739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.973739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.973739][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.973739][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.973739][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.973739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.973739][ T10] [ 1970.975436][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1970.975680][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1970.975680][ T10] vlan_dev_init+0x97c/0xdd0 [ 1970.975680][ T10] register_netdevice+0x4d3/0x1690 [ 1970.975680][ T10] register_vlan_dev+0x162/0x4a0 [ 1970.975680][ T10] vlan_newlink+0x393/0x610 [ 1970.975680][ T10] rtnl_newlink_create+0x341/0x850 [ 1970.975680][ T10] __rtnl_newlink+0xac9/0xd80 [ 1970.975680][ T10] rtnl_newlink+0x63/0xa0 [ 1970.975680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1970.975680][ T10] netlink_rcv_skb+0x130/0x360 [ 1970.975680][ T10] netlink_unicast+0x449/0x710 [ 1970.975680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1970.975680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1970.975680][ T10] ___sys_sendmsg+0xee/0x170 [ 1970.975680][ T10] __sys_sendmsg+0xcd/0x170 [ 1970.975680][ T10] do_syscall_64+0xc6/0x1e0 [ 1970.975680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1970.975680][ T10] [ 1981.155914][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1981.156394][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1981.156394][ T10] netdev_get_by_index+0x5e/0x80 [ 1981.156394][ T10] fib6_nh_init+0x3d8/0x1580 [ 1981.156394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1981.156394][ T10] ip6_route_add+0x1c/0x140 [ 1981.156394][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1981.156394][ T10] inet6_addr_add+0x4f8/0xa40 [ 1981.156394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.156394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.156394][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.156394][ T10] netlink_unicast+0x449/0x710 [ 1981.156394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.156394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.156394][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.156394][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.156394][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.156394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.156394][ T10] [ 1981.158894][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1981.158894][ T10] netdev_get_by_index+0x5e/0x80 [ 1981.158894][ T10] fib6_nh_init+0x3d8/0x1580 [ 1981.158894][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1981.158894][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1981.158894][ T10] ipv6_add_addr+0x411/0x2000 [ 1981.158894][ T10] inet6_addr_add+0x30e/0xa40 [ 1981.158894][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.158894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.158894][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.158894][ T10] netlink_unicast+0x449/0x710 [ 1981.158894][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.158894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.158894][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.158894][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.158894][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.158894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.158894][ T10] [ 1981.161107][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1981.161107][ T10] netdev_get_by_index+0x5e/0x80 [ 1981.161107][ T10] fib6_nh_init+0x3d8/0x1580 [ 1981.161107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1981.161107][ T10] ip6_route_add+0x1c/0x140 [ 1981.161107][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1981.161107][ T10] addrconf_add_dev+0xe2/0x170 [ 1981.161107][ T10] inet6_addr_add+0x12f/0xa40 [ 1981.161107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.161107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.161107][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.161107][ T10] netlink_unicast+0x449/0x710 [ 1981.161107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.161107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.161107][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.161107][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.161107][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.161107][ T10] [ 1981.163295][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1981.163295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1981.163295][ T10] ipv6_find_idev+0x102/0x170 [ 1981.163295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.163295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.163295][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.163295][ T10] netlink_unicast+0x449/0x710 [ 1981.163295][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.163295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.163295][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.163295][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.163295][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.163295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.163295][ T10] [ 1981.164982][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1981.164982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1981.164982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1981.164982][ T10] ipv6_find_idev+0x102/0x170 [ 1981.164982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.164982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.164982][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.164982][ T10] netlink_unicast+0x449/0x710 [ 1981.164982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.164982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.164982][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.164982][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.164982][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.164982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.164982][ T10] [ 1981.166855][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1981.167162][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1981.167162][ T10] netdev_get_by_index+0x5e/0x80 [ 1981.167162][ T10] fib6_nh_init+0x3d8/0x1580 [ 1981.167162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1981.167162][ T10] ip6_route_add+0x1c/0x140 [ 1981.167162][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1981.167162][ T10] inet6_addr_add+0x4f8/0xa40 [ 1981.167162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.167162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.167162][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.167162][ T10] netlink_unicast+0x449/0x710 [ 1981.167162][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.167162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.167162][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.167162][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.167162][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.167162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.167162][ T10] [ 1981.169388][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1981.169388][ T10] netdev_get_by_index+0x5e/0x80 [ 1981.169388][ T10] fib6_nh_init+0x3d8/0x1580 [ 1981.169388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1981.169388][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1981.169388][ T10] ipv6_add_addr+0x411/0x2000 [ 1981.169388][ T10] inet6_addr_add+0x30e/0xa40 [ 1981.169388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.169388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.169388][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.169388][ T10] netlink_unicast+0x449/0x710 [ 1981.169388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.169388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.169388][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.169388][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.169388][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.169388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.169388][ T10] [ 1981.171617][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1981.171617][ T10] netdev_get_by_index+0x5e/0x80 [ 1981.171617][ T10] fib6_nh_init+0x3d8/0x1580 [ 1981.171617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1981.171617][ T10] ip6_route_add+0x1c/0x140 [ 1981.171617][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1981.171617][ T10] addrconf_add_dev+0xe2/0x170 [ 1981.171617][ T10] inet6_addr_add+0x12f/0xa40 [ 1981.171617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1981.171617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.171617][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.171617][ T10] netlink_unicast+0x449/0x710 [ 1981.171617][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.171617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.171617][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.171617][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.171617][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.171617][ T10] [ 1981.173799][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1981.173799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1981.173799][ T10] ipv6_find_idev+0x102/0x170 [ 1981.173799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.173799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.173799][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.173799][ T10] netlink_unicast+0x449/0x710 [ 1981.173799][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.173799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.173799][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.173799][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.173799][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.173799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.173799][ T10] [ 1981.175509][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1981.175509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1981.175509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1981.175509][ T10] ipv6_find_idev+0x102/0x170 [ 1981.175509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1981.175509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.175509][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.175509][ T10] netlink_unicast+0x449/0x710 [ 1981.175509][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.175509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.175509][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.175509][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.175509][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.175509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.175509][ T10] [ 1981.177370][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1981.177642][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1981.177642][ T10] vlan_dev_init+0x97c/0xdd0 [ 1981.177642][ T10] register_netdevice+0x4d3/0x1690 [ 1981.177642][ T10] register_vlan_dev+0x162/0x4a0 [ 1981.177642][ T10] vlan_newlink+0x393/0x610 [ 1981.177642][ T10] rtnl_newlink_create+0x341/0x850 [ 1981.177642][ T10] __rtnl_newlink+0xac9/0xd80 [ 1981.177642][ T10] rtnl_newlink+0x63/0xa0 [ 1981.177642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.177642][ T10] netlink_rcv_skb+0x130/0x360 [ 1981.177642][ T10] netlink_unicast+0x449/0x710 [ 1981.177642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1981.177642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1981.177642][ T10] ___sys_sendmsg+0xee/0x170 [ 1981.177642][ T10] __sys_sendmsg+0xcd/0x170 [ 1981.177642][ T10] do_syscall_64+0xc6/0x1e0 [ 1981.177642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.177642][ T10] [ 1991.419926][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 1991.420391][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1991.420391][ T10] netdev_get_by_index+0x5e/0x80 [ 1991.420391][ T10] fib6_nh_init+0x3d8/0x1580 [ 1991.420391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1991.420391][ T10] ip6_route_add+0x1c/0x140 [ 1991.420391][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1991.420391][ T10] inet6_addr_add+0x4f8/0xa40 [ 1991.420391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.420391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.420391][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.420391][ T10] netlink_unicast+0x449/0x710 [ 1991.420391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.420391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.420391][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.420391][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.420391][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.420391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.420391][ T10] [ 1991.422620][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1991.422620][ T10] netdev_get_by_index+0x5e/0x80 [ 1991.422620][ T10] fib6_nh_init+0x3d8/0x1580 [ 1991.422620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1991.422620][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1991.422620][ T10] ipv6_add_addr+0x411/0x2000 [ 1991.422620][ T10] inet6_addr_add+0x30e/0xa40 [ 1991.422620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.422620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.422620][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.422620][ T10] netlink_unicast+0x449/0x710 [ 1991.422620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.422620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.422620][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.422620][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.422620][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.422620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.422620][ T10] [ 1991.425224][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1991.425224][ T10] netdev_get_by_index+0x5e/0x80 [ 1991.425224][ T10] fib6_nh_init+0x3d8/0x1580 [ 1991.425224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1991.425224][ T10] ip6_route_add+0x1c/0x140 [ 1991.425224][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1991.425224][ T10] addrconf_add_dev+0xe2/0x170 [ 1991.425224][ T10] inet6_addr_add+0x12f/0xa40 [ 1991.425224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.425224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.425224][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.425224][ T10] netlink_unicast+0x449/0x710 [ 1991.425224][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.425224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.425224][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.425224][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.425224][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.425224][ T10] [ 1991.427397][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1991.427397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1991.427397][ T10] ipv6_find_idev+0x102/0x170 [ 1991.427397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.427397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.427397][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.427397][ T10] netlink_unicast+0x449/0x710 [ 1991.427397][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.427397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.427397][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.427397][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.427397][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.427397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.427397][ T10] [ 1991.429116][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 1991.429116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1991.429116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1991.429116][ T10] ipv6_find_idev+0x102/0x170 [ 1991.429116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.429116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.429116][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.429116][ T10] netlink_unicast+0x449/0x710 [ 1991.429116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.429116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.429116][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.429116][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.429116][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.429116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.429116][ T10] [ 1991.430971][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 1991.431268][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1991.431268][ T10] netdev_get_by_index+0x5e/0x80 [ 1991.431268][ T10] fib6_nh_init+0x3d8/0x1580 [ 1991.431268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1991.431268][ T10] ip6_route_add+0x1c/0x140 [ 1991.431268][ T10] addrconf_prefix_route+0x2a6/0x430 [ 1991.431268][ T10] inet6_addr_add+0x4f8/0xa40 [ 1991.431268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.431268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.431268][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.431268][ T10] netlink_unicast+0x449/0x710 [ 1991.431268][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.431268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.431268][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.431268][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.431268][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.431268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.431268][ T10] [ 1991.433493][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1991.433493][ T10] netdev_get_by_index+0x5e/0x80 [ 1991.433493][ T10] fib6_nh_init+0x3d8/0x1580 [ 1991.433493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1991.433493][ T10] addrconf_f6i_alloc+0x315/0x560 [ 1991.433493][ T10] ipv6_add_addr+0x411/0x2000 [ 1991.433493][ T10] inet6_addr_add+0x30e/0xa40 [ 1991.433493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.433493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.433493][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.433493][ T10] netlink_unicast+0x449/0x710 [ 1991.433493][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.433493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.433493][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.433493][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.433493][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.433493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.433493][ T10] [ 1991.435695][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1991.435695][ T10] netdev_get_by_index+0x5e/0x80 [ 1991.435695][ T10] fib6_nh_init+0x3d8/0x1580 [ 1991.435695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1991.435695][ T10] ip6_route_add+0x1c/0x140 [ 1991.435695][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 1991.435695][ T10] addrconf_add_dev+0xe2/0x170 [ 1991.435695][ T10] inet6_addr_add+0x12f/0xa40 [ 1991.435695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1991.435695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.435695][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.435695][ T10] netlink_unicast+0x449/0x710 [ 1991.435695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.435695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.435695][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.435695][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.435695][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.435695][ T10] [ 1991.437867][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1991.437867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1991.437867][ T10] ipv6_find_idev+0x102/0x170 [ 1991.437867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.437867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.437867][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.437867][ T10] netlink_unicast+0x449/0x710 [ 1991.437867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.437867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.437867][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.437867][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.437867][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.437867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.437867][ T10] [ 1991.439571][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 1991.439571][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1991.439571][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1991.439571][ T10] ipv6_find_idev+0x102/0x170 [ 1991.439571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1991.439571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.439571][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.439571][ T10] netlink_unicast+0x449/0x710 [ 1991.439571][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.439571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.439571][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.439571][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.439571][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.439571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.439571][ T10] [ 1991.441440][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 1991.441707][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 1991.441707][ T10] vlan_dev_init+0x97c/0xdd0 [ 1991.441707][ T10] register_netdevice+0x4d3/0x1690 [ 1991.441707][ T10] register_vlan_dev+0x162/0x4a0 [ 1991.441707][ T10] vlan_newlink+0x393/0x610 [ 1991.441707][ T10] rtnl_newlink_create+0x341/0x850 [ 1991.441707][ T10] __rtnl_newlink+0xac9/0xd80 [ 1991.441707][ T10] rtnl_newlink+0x63/0xa0 [ 1991.441707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1991.441707][ T10] netlink_rcv_skb+0x130/0x360 [ 1991.441707][ T10] netlink_unicast+0x449/0x710 [ 1991.441707][ T10] netlink_sendmsg+0x723/0xbe0 [ 1991.441707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1991.441707][ T10] ___sys_sendmsg+0xee/0x170 [ 1991.441707][ T10] __sys_sendmsg+0xcd/0x170 [ 1991.441707][ T10] do_syscall_64+0xc6/0x1e0 [ 1991.441707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1991.441707][ T10] [ 2001.683941][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2001.684406][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2001.684406][ T10] netdev_get_by_index+0x5e/0x80 [ 2001.684406][ T10] fib6_nh_init+0x3d8/0x1580 [ 2001.684406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2001.684406][ T10] ip6_route_add+0x1c/0x140 [ 2001.684406][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2001.684406][ T10] inet6_addr_add+0x4f8/0xa40 [ 2001.684406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.684406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.684406][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.684406][ T10] netlink_unicast+0x449/0x710 [ 2001.684406][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.684406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.684406][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.684406][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.684406][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.684406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.684406][ T10] [ 2001.686612][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2001.686612][ T10] netdev_get_by_index+0x5e/0x80 [ 2001.686612][ T10] fib6_nh_init+0x3d8/0x1580 [ 2001.686612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2001.686612][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2001.686612][ T10] ipv6_add_addr+0x411/0x2000 [ 2001.686612][ T10] inet6_addr_add+0x30e/0xa40 [ 2001.686612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.686612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.686612][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.686612][ T10] netlink_unicast+0x449/0x710 [ 2001.686612][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.686612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.686612][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.686612][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.686612][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.686612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.686612][ T10] [ 2001.688819][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2001.688819][ T10] netdev_get_by_index+0x5e/0x80 [ 2001.688819][ T10] fib6_nh_init+0x3d8/0x1580 [ 2001.688819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2001.688819][ T10] ip6_route_add+0x1c/0x140 [ 2001.688819][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2001.688819][ T10] addrconf_add_dev+0xe2/0x170 [ 2001.688819][ T10] inet6_addr_add+0x12f/0xa40 [ 2001.688819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.688819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.688819][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.688819][ T10] netlink_unicast+0x449/0x710 [ 2001.688819][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.688819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.688819][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.688819][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.688819][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.688819][ T10] [ 2001.690988][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2001.690988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2001.690988][ T10] ipv6_find_idev+0x102/0x170 [ 2001.690988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.690988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.690988][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.690988][ T10] netlink_unicast+0x449/0x710 [ 2001.690988][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.690988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.690988][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.690988][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.690988][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.690988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.690988][ T10] [ 2001.692682][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2001.692682][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2001.692682][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2001.692682][ T10] ipv6_find_idev+0x102/0x170 [ 2001.692682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.692682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.692682][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.692682][ T10] netlink_unicast+0x449/0x710 [ 2001.692682][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.692682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.692682][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.692682][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.692682][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.692682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.692682][ T10] [ 2001.694538][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2001.694827][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2001.694827][ T10] netdev_get_by_index+0x5e/0x80 [ 2001.694827][ T10] fib6_nh_init+0x3d8/0x1580 [ 2001.694827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2001.694827][ T10] ip6_route_add+0x1c/0x140 [ 2001.694827][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2001.694827][ T10] inet6_addr_add+0x4f8/0xa40 [ 2001.694827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.694827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.694827][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.694827][ T10] netlink_unicast+0x449/0x710 [ 2001.694827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.694827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.694827][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.694827][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.694827][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.694827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.694827][ T10] [ 2001.697029][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2001.697029][ T10] netdev_get_by_index+0x5e/0x80 [ 2001.697029][ T10] fib6_nh_init+0x3d8/0x1580 [ 2001.697029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2001.697029][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2001.697029][ T10] ipv6_add_addr+0x411/0x2000 [ 2001.697029][ T10] inet6_addr_add+0x30e/0xa40 [ 2001.697029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.697029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.697029][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.697029][ T10] netlink_unicast+0x449/0x710 [ 2001.697029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.697029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.697029][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.697029][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.697029][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.697029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.697029][ T10] [ 2001.699228][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2001.699228][ T10] netdev_get_by_index+0x5e/0x80 [ 2001.699228][ T10] fib6_nh_init+0x3d8/0x1580 [ 2001.699228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2001.699228][ T10] ip6_route_add+0x1c/0x140 [ 2001.699228][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2001.699228][ T10] addrconf_add_dev+0xe2/0x170 [ 2001.699228][ T10] inet6_addr_add+0x12f/0xa40 [ 2001.699228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2001.699228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.699228][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.699228][ T10] netlink_unicast+0x449/0x710 [ 2001.699228][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.699228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.699228][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.699228][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.699228][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.699228][ T10] [ 2001.701378][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2001.701378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2001.701378][ T10] ipv6_find_idev+0x102/0x170 [ 2001.701378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.701378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.701378][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.701378][ T10] netlink_unicast+0x449/0x710 [ 2001.701378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.701378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.701378][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.701378][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.701378][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.701378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.701378][ T10] [ 2001.703070][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2001.703070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2001.703070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2001.703070][ T10] ipv6_find_idev+0x102/0x170 [ 2001.703070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2001.703070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.703070][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.703070][ T10] netlink_unicast+0x449/0x710 [ 2001.703070][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.703070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.703070][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.703070][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.703070][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.703070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.703070][ T10] [ 2001.704928][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2001.705185][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2001.705185][ T10] vlan_dev_init+0x97c/0xdd0 [ 2001.705185][ T10] register_netdevice+0x4d3/0x1690 [ 2001.705185][ T10] register_vlan_dev+0x162/0x4a0 [ 2001.705185][ T10] vlan_newlink+0x393/0x610 [ 2001.705185][ T10] rtnl_newlink_create+0x341/0x850 [ 2001.705185][ T10] __rtnl_newlink+0xac9/0xd80 [ 2001.705185][ T10] rtnl_newlink+0x63/0xa0 [ 2001.705185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2001.705185][ T10] netlink_rcv_skb+0x130/0x360 [ 2001.705185][ T10] netlink_unicast+0x449/0x710 [ 2001.705185][ T10] netlink_sendmsg+0x723/0xbe0 [ 2001.705185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2001.705185][ T10] ___sys_sendmsg+0xee/0x170 [ 2001.705185][ T10] __sys_sendmsg+0xcd/0x170 [ 2001.705185][ T10] do_syscall_64+0xc6/0x1e0 [ 2001.705185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2001.705185][ T10] [ 2011.947990][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2011.948475][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2011.948475][ T10] netdev_get_by_index+0x5e/0x80 [ 2011.948475][ T10] fib6_nh_init+0x3d8/0x1580 [ 2011.948475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2011.948475][ T10] ip6_route_add+0x1c/0x140 [ 2011.948475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2011.948475][ T10] inet6_addr_add+0x4f8/0xa40 [ 2011.948475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.948475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.948475][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.948475][ T10] netlink_unicast+0x449/0x710 [ 2011.948475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.948475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.948475][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.948475][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.948475][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.948475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.948475][ T10] [ 2011.950514][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2011.950514][ T10] netdev_get_by_index+0x5e/0x80 [ 2011.950514][ T10] fib6_nh_init+0x3d8/0x1580 [ 2011.950514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2011.950514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2011.950514][ T10] ipv6_add_addr+0x411/0x2000 [ 2011.950514][ T10] inet6_addr_add+0x30e/0xa40 [ 2011.950514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.950514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.950514][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.950514][ T10] netlink_unicast+0x449/0x710 [ 2011.950514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.950514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.950514][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.950514][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.950514][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.950514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.950514][ T10] [ 2011.952534][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2011.952534][ T10] netdev_get_by_index+0x5e/0x80 [ 2011.952534][ T10] fib6_nh_init+0x3d8/0x1580 [ 2011.952534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2011.952534][ T10] ip6_route_add+0x1c/0x140 [ 2011.952534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2011.952534][ T10] addrconf_add_dev+0xe2/0x170 [ 2011.952534][ T10] inet6_addr_add+0x12f/0xa40 [ 2011.952534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.952534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.952534][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.952534][ T10] netlink_unicast+0x449/0x710 [ 2011.952534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.952534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.952534][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.952534][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.952534][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.952534][ T10] [ 2011.954523][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2011.954523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2011.954523][ T10] ipv6_find_idev+0x102/0x170 [ 2011.954523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.954523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.954523][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.954523][ T10] netlink_unicast+0x449/0x710 [ 2011.954523][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.954523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.954523][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.954523][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.954523][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.954523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.954523][ T10] [ 2011.956077][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2011.956077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2011.956077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2011.956077][ T10] ipv6_find_idev+0x102/0x170 [ 2011.956077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.956077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.956077][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.956077][ T10] netlink_unicast+0x449/0x710 [ 2011.956077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.956077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.956077][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.956077][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.956077][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.956077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.956077][ T10] [ 2011.957774][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2011.958064][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2011.958064][ T10] netdev_get_by_index+0x5e/0x80 [ 2011.958064][ T10] fib6_nh_init+0x3d8/0x1580 [ 2011.958064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2011.958064][ T10] ip6_route_add+0x1c/0x140 [ 2011.958064][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2011.958064][ T10] inet6_addr_add+0x4f8/0xa40 [ 2011.958064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.958064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.958064][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.958064][ T10] netlink_unicast+0x449/0x710 [ 2011.958064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.958064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.958064][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.958064][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.958064][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.958064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.958064][ T10] [ 2011.960077][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2011.960077][ T10] netdev_get_by_index+0x5e/0x80 [ 2011.960077][ T10] fib6_nh_init+0x3d8/0x1580 [ 2011.960077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2011.960077][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2011.960077][ T10] ipv6_add_addr+0x411/0x2000 [ 2011.960077][ T10] inet6_addr_add+0x30e/0xa40 [ 2011.960077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.960077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.960077][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.960077][ T10] netlink_unicast+0x449/0x710 [ 2011.960077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.960077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.960077][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.960077][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.960077][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.960077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.960077][ T10] [ 2011.962084][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2011.962084][ T10] netdev_get_by_index+0x5e/0x80 [ 2011.962084][ T10] fib6_nh_init+0x3d8/0x1580 [ 2011.962084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2011.962084][ T10] ip6_route_add+0x1c/0x140 [ 2011.962084][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2011.962084][ T10] addrconf_add_dev+0xe2/0x170 [ 2011.962084][ T10] inet6_addr_add+0x12f/0xa40 [ 2011.962084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2011.962084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.962084][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.962084][ T10] netlink_unicast+0x449/0x710 [ 2011.962084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.962084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.962084][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.962084][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.962084][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.962084][ T10] [ 2011.964080][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2011.964080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2011.964080][ T10] ipv6_find_idev+0x102/0x170 [ 2011.964080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.964080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.964080][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.964080][ T10] netlink_unicast+0x449/0x710 [ 2011.964080][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.964080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.964080][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.964080][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.964080][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.964080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.964080][ T10] [ 2011.965635][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2011.965635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2011.965635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2011.965635][ T10] ipv6_find_idev+0x102/0x170 [ 2011.965635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2011.965635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.965635][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.965635][ T10] netlink_unicast+0x449/0x710 [ 2011.965635][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.965635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.965635][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.965635][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.965635][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.965635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.965635][ T10] [ 2011.967330][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2011.967574][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2011.967574][ T10] vlan_dev_init+0x97c/0xdd0 [ 2011.967574][ T10] register_netdevice+0x4d3/0x1690 [ 2011.967574][ T10] register_vlan_dev+0x162/0x4a0 [ 2011.967574][ T10] vlan_newlink+0x393/0x610 [ 2011.967574][ T10] rtnl_newlink_create+0x341/0x850 [ 2011.967574][ T10] __rtnl_newlink+0xac9/0xd80 [ 2011.967574][ T10] rtnl_newlink+0x63/0xa0 [ 2011.967574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2011.967574][ T10] netlink_rcv_skb+0x130/0x360 [ 2011.967574][ T10] netlink_unicast+0x449/0x710 [ 2011.967574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2011.967574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2011.967574][ T10] ___sys_sendmsg+0xee/0x170 [ 2011.967574][ T10] __sys_sendmsg+0xcd/0x170 [ 2011.967574][ T10] do_syscall_64+0xc6/0x1e0 [ 2011.967574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2011.967574][ T10] [ 2022.099991][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2022.100463][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2022.100463][ T10] netdev_get_by_index+0x5e/0x80 [ 2022.100463][ T10] fib6_nh_init+0x3d8/0x1580 [ 2022.100463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2022.100463][ T10] ip6_route_add+0x1c/0x140 [ 2022.100463][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2022.100463][ T10] inet6_addr_add+0x4f8/0xa40 [ 2022.100463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.100463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.100463][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.100463][ T10] netlink_unicast+0x449/0x710 [ 2022.100463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.100463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.100463][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.100463][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.100463][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.100463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.100463][ T10] [ 2022.102514][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2022.102514][ T10] netdev_get_by_index+0x5e/0x80 [ 2022.102514][ T10] fib6_nh_init+0x3d8/0x1580 [ 2022.102514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2022.102514][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2022.102514][ T10] ipv6_add_addr+0x411/0x2000 [ 2022.102514][ T10] inet6_addr_add+0x30e/0xa40 [ 2022.102514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.102514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.102514][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.102514][ T10] netlink_unicast+0x449/0x710 [ 2022.102514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.102514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.102514][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.102514][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.102514][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.102514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.102514][ T10] [ 2022.104541][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2022.104541][ T10] netdev_get_by_index+0x5e/0x80 [ 2022.104541][ T10] fib6_nh_init+0x3d8/0x1580 [ 2022.104541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2022.104541][ T10] ip6_route_add+0x1c/0x140 [ 2022.104541][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2022.104541][ T10] addrconf_add_dev+0xe2/0x170 [ 2022.104541][ T10] inet6_addr_add+0x12f/0xa40 [ 2022.104541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.104541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.104541][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.104541][ T10] netlink_unicast+0x449/0x710 [ 2022.104541][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.104541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.104541][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.104541][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.104541][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.104541][ T10] [ 2022.106539][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2022.106539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2022.106539][ T10] ipv6_find_idev+0x102/0x170 [ 2022.106539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.106539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.106539][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.106539][ T10] netlink_unicast+0x449/0x710 [ 2022.106539][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.106539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.106539][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.106539][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.106539][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.106539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.106539][ T10] [ 2022.108099][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2022.108099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2022.108099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2022.108099][ T10] ipv6_find_idev+0x102/0x170 [ 2022.108099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.108099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.108099][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.108099][ T10] netlink_unicast+0x449/0x710 [ 2022.108099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.108099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.108099][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.108099][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.108099][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.108099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.108099][ T10] [ 2022.109790][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2022.110078][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2022.110078][ T10] netdev_get_by_index+0x5e/0x80 [ 2022.110078][ T10] fib6_nh_init+0x3d8/0x1580 [ 2022.110078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2022.110078][ T10] ip6_route_add+0x1c/0x140 [ 2022.110078][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2022.110078][ T10] inet6_addr_add+0x4f8/0xa40 [ 2022.110078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.110078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.110078][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.110078][ T10] netlink_unicast+0x449/0x710 [ 2022.110078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.110078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.110078][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.110078][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.110078][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.110078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.110078][ T10] [ 2022.112099][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2022.112099][ T10] netdev_get_by_index+0x5e/0x80 [ 2022.112099][ T10] fib6_nh_init+0x3d8/0x1580 [ 2022.112099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2022.112099][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2022.112099][ T10] ipv6_add_addr+0x411/0x2000 [ 2022.112099][ T10] inet6_addr_add+0x30e/0xa40 [ 2022.112099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.112099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.112099][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.112099][ T10] netlink_unicast+0x449/0x710 [ 2022.112099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.112099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.112099][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.112099][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.112099][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.112099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.112099][ T10] [ 2022.114121][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2022.114121][ T10] netdev_get_by_index+0x5e/0x80 [ 2022.114121][ T10] fib6_nh_init+0x3d8/0x1580 [ 2022.114121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2022.114121][ T10] ip6_route_add+0x1c/0x140 [ 2022.114121][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2022.114121][ T10] addrconf_add_dev+0xe2/0x170 [ 2022.114121][ T10] inet6_addr_add+0x12f/0xa40 [ 2022.114121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.114121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.114121][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.114121][ T10] netlink_unicast+0x449/0x710 [ 2022.114121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.114121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.114121][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.114121][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.114121][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.114121][ T10] [ 2022.116101][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2022.116101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2022.116101][ T10] ipv6_find_idev+0x102/0x170 [ 2022.116101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.116101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.116101][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.116101][ T10] netlink_unicast+0x449/0x710 [ 2022.116101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.116101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.116101][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.116101][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.116101][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.116101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.116101][ T10] [ 2022.117650][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2022.117650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2022.117650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2022.117650][ T10] ipv6_find_idev+0x102/0x170 [ 2022.117650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.117650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.117650][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.117650][ T10] netlink_unicast+0x449/0x710 [ 2022.117650][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.117650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.117650][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.117650][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.117650][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.117650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.117650][ T10] [ 2022.119347][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2022.119599][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2022.119599][ T10] vlan_dev_init+0x97c/0xdd0 [ 2022.119599][ T10] register_netdevice+0x4d3/0x1690 [ 2022.119599][ T10] register_vlan_dev+0x162/0x4a0 [ 2022.119599][ T10] vlan_newlink+0x393/0x610 [ 2022.119599][ T10] rtnl_newlink_create+0x341/0x850 [ 2022.119599][ T10] __rtnl_newlink+0xac9/0xd80 [ 2022.119599][ T10] rtnl_newlink+0x63/0xa0 [ 2022.119599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.119599][ T10] netlink_rcv_skb+0x130/0x360 [ 2022.119599][ T10] netlink_unicast+0x449/0x710 [ 2022.119599][ T10] netlink_sendmsg+0x723/0xbe0 [ 2022.119599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2022.119599][ T10] ___sys_sendmsg+0xee/0x170 [ 2022.119599][ T10] __sys_sendmsg+0xcd/0x170 [ 2022.119599][ T10] do_syscall_64+0xc6/0x1e0 [ 2022.119599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.119599][ T10] [ 2032.123992][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2032.124495][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2032.124495][ T10] netdev_get_by_index+0x5e/0x80 [ 2032.124495][ T10] fib6_nh_init+0x3d8/0x1580 [ 2032.124495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2032.124495][ T10] ip6_route_add+0x1c/0x140 [ 2032.124495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2032.124495][ T10] inet6_addr_add+0x4f8/0xa40 [ 2032.124495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.124495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.124495][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.124495][ T10] netlink_unicast+0x449/0x710 [ 2032.124495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.124495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.124495][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.124495][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.124495][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.124495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.124495][ T10] [ 2032.126760][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2032.126760][ T10] netdev_get_by_index+0x5e/0x80 [ 2032.126760][ T10] fib6_nh_init+0x3d8/0x1580 [ 2032.126760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2032.126760][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2032.126760][ T10] ipv6_add_addr+0x411/0x2000 [ 2032.126760][ T10] inet6_addr_add+0x30e/0xa40 [ 2032.126760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.126760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.126760][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.126760][ T10] netlink_unicast+0x449/0x710 [ 2032.126760][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.126760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.126760][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.126760][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.126760][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.126760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.126760][ T10] [ 2032.129017][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2032.129017][ T10] netdev_get_by_index+0x5e/0x80 [ 2032.129017][ T10] fib6_nh_init+0x3d8/0x1580 [ 2032.129017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2032.129017][ T10] ip6_route_add+0x1c/0x140 [ 2032.129017][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2032.129017][ T10] addrconf_add_dev+0xe2/0x170 [ 2032.129017][ T10] inet6_addr_add+0x12f/0xa40 [ 2032.129017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.129017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.129017][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.129017][ T10] netlink_unicast+0x449/0x710 [ 2032.129017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.129017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.129017][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.129017][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.129017][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.129017][ T10] [ 2032.131216][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2032.131216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2032.131216][ T10] ipv6_find_idev+0x102/0x170 [ 2032.131216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.131216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.131216][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.131216][ T10] netlink_unicast+0x449/0x710 [ 2032.131216][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.131216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.131216][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.131216][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.131216][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.131216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.131216][ T10] [ 2032.132960][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2032.132960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2032.132960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2032.132960][ T10] ipv6_find_idev+0x102/0x170 [ 2032.132960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.132960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.132960][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.132960][ T10] netlink_unicast+0x449/0x710 [ 2032.132960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.132960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.132960][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.132960][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.132960][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.132960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.132960][ T10] [ 2032.134856][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2032.135178][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2032.135178][ T10] netdev_get_by_index+0x5e/0x80 [ 2032.135178][ T10] fib6_nh_init+0x3d8/0x1580 [ 2032.135178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2032.135178][ T10] ip6_route_add+0x1c/0x140 [ 2032.135178][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2032.135178][ T10] inet6_addr_add+0x4f8/0xa40 [ 2032.135178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.135178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.135178][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.135178][ T10] netlink_unicast+0x449/0x710 [ 2032.135178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.135178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.135178][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.135178][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.135178][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.135178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.135178][ T10] [ 2032.137416][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2032.137416][ T10] netdev_get_by_index+0x5e/0x80 [ 2032.137416][ T10] fib6_nh_init+0x3d8/0x1580 [ 2032.137416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2032.137416][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2032.137416][ T10] ipv6_add_addr+0x411/0x2000 [ 2032.137416][ T10] inet6_addr_add+0x30e/0xa40 [ 2032.137416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.137416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.137416][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.137416][ T10] netlink_unicast+0x449/0x710 [ 2032.137416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.137416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.137416][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.137416][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.137416][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.137416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.137416][ T10] [ 2032.139670][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2032.139670][ T10] netdev_get_by_index+0x5e/0x80 [ 2032.139670][ T10] fib6_nh_init+0x3d8/0x1580 [ 2032.139670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2032.139670][ T10] ip6_route_add+0x1c/0x140 [ 2032.139670][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2032.139670][ T10] addrconf_add_dev+0xe2/0x170 [ 2032.139670][ T10] inet6_addr_add+0x12f/0xa40 [ 2032.139670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2032.139670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.139670][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.139670][ T10] netlink_unicast+0x449/0x710 [ 2032.139670][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.139670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.139670][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.139670][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.139670][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.139670][ T10] [ 2032.141883][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2032.141883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2032.141883][ T10] ipv6_find_idev+0x102/0x170 [ 2032.141883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.141883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.141883][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.141883][ T10] netlink_unicast+0x449/0x710 [ 2032.141883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.141883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.141883][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.141883][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.141883][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.141883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.141883][ T10] [ 2032.143613][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2032.143613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2032.143613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2032.143613][ T10] ipv6_find_idev+0x102/0x170 [ 2032.143613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2032.143613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.143613][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.143613][ T10] netlink_unicast+0x449/0x710 [ 2032.143613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.143613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.143613][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.143613][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.143613][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.143613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.143613][ T10] [ 2032.145515][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2032.145783][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2032.145783][ T10] vlan_dev_init+0x97c/0xdd0 [ 2032.145783][ T10] register_netdevice+0x4d3/0x1690 [ 2032.145783][ T10] register_vlan_dev+0x162/0x4a0 [ 2032.145783][ T10] vlan_newlink+0x393/0x610 [ 2032.145783][ T10] rtnl_newlink_create+0x341/0x850 [ 2032.145783][ T10] __rtnl_newlink+0xac9/0xd80 [ 2032.145783][ T10] rtnl_newlink+0x63/0xa0 [ 2032.145783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2032.145783][ T10] netlink_rcv_skb+0x130/0x360 [ 2032.145783][ T10] netlink_unicast+0x449/0x710 [ 2032.145783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2032.145783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2032.145783][ T10] ___sys_sendmsg+0xee/0x170 [ 2032.145783][ T10] __sys_sendmsg+0xcd/0x170 [ 2032.145783][ T10] do_syscall_64+0xc6/0x1e0 [ 2032.145783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2032.145783][ T10] [ 2042.388006][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2042.388494][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2042.388494][ T10] netdev_get_by_index+0x5e/0x80 [ 2042.388494][ T10] fib6_nh_init+0x3d8/0x1580 [ 2042.388494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2042.388494][ T10] ip6_route_add+0x1c/0x140 [ 2042.388494][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2042.388494][ T10] inet6_addr_add+0x4f8/0xa40 [ 2042.388494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.388494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.388494][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.388494][ T10] netlink_unicast+0x449/0x710 [ 2042.388494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.388494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.388494][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.388494][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.388494][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.388494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.388494][ T10] [ 2042.390762][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2042.390762][ T10] netdev_get_by_index+0x5e/0x80 [ 2042.390762][ T10] fib6_nh_init+0x3d8/0x1580 [ 2042.390762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2042.390762][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2042.390762][ T10] ipv6_add_addr+0x411/0x2000 [ 2042.390762][ T10] inet6_addr_add+0x30e/0xa40 [ 2042.390762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.390762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.390762][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.390762][ T10] netlink_unicast+0x449/0x710 [ 2042.390762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.390762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.390762][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.390762][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.390762][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.390762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.390762][ T10] [ 2042.393026][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2042.393026][ T10] netdev_get_by_index+0x5e/0x80 [ 2042.393026][ T10] fib6_nh_init+0x3d8/0x1580 [ 2042.393026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2042.393026][ T10] ip6_route_add+0x1c/0x140 [ 2042.393026][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2042.393026][ T10] addrconf_add_dev+0xe2/0x170 [ 2042.393026][ T10] inet6_addr_add+0x12f/0xa40 [ 2042.393026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.393026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.393026][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.393026][ T10] netlink_unicast+0x449/0x710 [ 2042.393026][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.393026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.393026][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.393026][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.393026][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.393026][ T10] [ 2042.395217][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2042.395217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2042.395217][ T10] ipv6_find_idev+0x102/0x170 [ 2042.395217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.395217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.395217][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.395217][ T10] netlink_unicast+0x449/0x710 [ 2042.395217][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.395217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.395217][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.395217][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.395217][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.395217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.395217][ T10] [ 2042.396968][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2042.396968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2042.396968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2042.396968][ T10] ipv6_find_idev+0x102/0x170 [ 2042.396968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.396968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.396968][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.396968][ T10] netlink_unicast+0x449/0x710 [ 2042.396968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.396968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.396968][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.396968][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.396968][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.396968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.396968][ T10] [ 2042.398874][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2042.399190][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2042.399190][ T10] netdev_get_by_index+0x5e/0x80 [ 2042.399190][ T10] fib6_nh_init+0x3d8/0x1580 [ 2042.399190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2042.399190][ T10] ip6_route_add+0x1c/0x140 [ 2042.399190][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2042.399190][ T10] inet6_addr_add+0x4f8/0xa40 [ 2042.399190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.399190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.399190][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.399190][ T10] netlink_unicast+0x449/0x710 [ 2042.399190][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.399190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.399190][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.399190][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.399190][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.399190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.399190][ T10] [ 2042.401428][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2042.401428][ T10] netdev_get_by_index+0x5e/0x80 [ 2042.401428][ T10] fib6_nh_init+0x3d8/0x1580 [ 2042.401428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2042.401428][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2042.401428][ T10] ipv6_add_addr+0x411/0x2000 [ 2042.401428][ T10] inet6_addr_add+0x30e/0xa40 [ 2042.401428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.401428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.401428][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.401428][ T10] netlink_unicast+0x449/0x710 [ 2042.401428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.401428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.401428][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.401428][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.401428][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.401428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.401428][ T10] [ 2042.403681][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2042.403681][ T10] netdev_get_by_index+0x5e/0x80 [ 2042.403681][ T10] fib6_nh_init+0x3d8/0x1580 [ 2042.403681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2042.403681][ T10] ip6_route_add+0x1c/0x140 [ 2042.403681][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2042.403681][ T10] addrconf_add_dev+0xe2/0x170 [ 2042.403681][ T10] inet6_addr_add+0x12f/0xa40 [ 2042.403681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2042.403681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.403681][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.403681][ T10] netlink_unicast+0x449/0x710 [ 2042.403681][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.403681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.403681][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.403681][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.403681][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.403681][ T10] [ 2042.405902][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2042.405902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2042.405902][ T10] ipv6_find_idev+0x102/0x170 [ 2042.405902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.405902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.405902][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.405902][ T10] netlink_unicast+0x449/0x710 [ 2042.405902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.405902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.405902][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.405902][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.405902][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.405902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.405902][ T10] [ 2042.407630][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2042.407630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2042.407630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2042.407630][ T10] ipv6_find_idev+0x102/0x170 [ 2042.407630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2042.407630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.407630][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.407630][ T10] netlink_unicast+0x449/0x710 [ 2042.407630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.407630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.407630][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.407630][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.407630][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.407630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.407630][ T10] [ 2042.409534][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2042.409800][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2042.409800][ T10] vlan_dev_init+0x97c/0xdd0 [ 2042.409800][ T10] register_netdevice+0x4d3/0x1690 [ 2042.409800][ T10] register_vlan_dev+0x162/0x4a0 [ 2042.409800][ T10] vlan_newlink+0x393/0x610 [ 2042.409800][ T10] rtnl_newlink_create+0x341/0x850 [ 2042.409800][ T10] __rtnl_newlink+0xac9/0xd80 [ 2042.409800][ T10] rtnl_newlink+0x63/0xa0 [ 2042.409800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2042.409800][ T10] netlink_rcv_skb+0x130/0x360 [ 2042.409800][ T10] netlink_unicast+0x449/0x710 [ 2042.409800][ T10] netlink_sendmsg+0x723/0xbe0 [ 2042.409800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2042.409800][ T10] ___sys_sendmsg+0xee/0x170 [ 2042.409800][ T10] __sys_sendmsg+0xcd/0x170 [ 2042.409800][ T10] do_syscall_64+0xc6/0x1e0 [ 2042.409800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2042.409800][ T10] [ 2052.475917][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2052.476399][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2052.476399][ T10] netdev_get_by_index+0x5e/0x80 [ 2052.476399][ T10] fib6_nh_init+0x3d8/0x1580 [ 2052.476399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2052.476399][ T10] ip6_route_add+0x1c/0x140 [ 2052.476399][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2052.476399][ T10] inet6_addr_add+0x4f8/0xa40 [ 2052.476399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.476399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.476399][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.476399][ T10] netlink_unicast+0x449/0x710 [ 2052.476399][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.476399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.476399][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.476399][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.476399][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.476399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.476399][ T10] [ 2052.478460][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2052.478460][ T10] netdev_get_by_index+0x5e/0x80 [ 2052.478460][ T10] fib6_nh_init+0x3d8/0x1580 [ 2052.478460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2052.478460][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2052.478460][ T10] ipv6_add_addr+0x411/0x2000 [ 2052.478460][ T10] inet6_addr_add+0x30e/0xa40 [ 2052.478460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.478460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.478460][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.478460][ T10] netlink_unicast+0x449/0x710 [ 2052.478460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.478460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.478460][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.478460][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.478460][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.478460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.478460][ T10] [ 2052.480495][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2052.480495][ T10] netdev_get_by_index+0x5e/0x80 [ 2052.480495][ T10] fib6_nh_init+0x3d8/0x1580 [ 2052.480495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2052.480495][ T10] ip6_route_add+0x1c/0x140 [ 2052.480495][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2052.480495][ T10] addrconf_add_dev+0xe2/0x170 [ 2052.480495][ T10] inet6_addr_add+0x12f/0xa40 [ 2052.480495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.480495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.480495][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.480495][ T10] netlink_unicast+0x449/0x710 [ 2052.480495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.480495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.480495][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.480495][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.480495][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.480495][ T10] [ 2052.482471][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2052.482471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2052.482471][ T10] ipv6_find_idev+0x102/0x170 [ 2052.482471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.482471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.482471][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.482471][ T10] netlink_unicast+0x449/0x710 [ 2052.482471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.482471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.482471][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.482471][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.482471][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.482471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.482471][ T10] [ 2052.484045][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2052.484045][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2052.484045][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2052.484045][ T10] ipv6_find_idev+0x102/0x170 [ 2052.484045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.484045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.484045][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.484045][ T10] netlink_unicast+0x449/0x710 [ 2052.484045][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.484045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.484045][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.484045][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.484045][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.484045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.484045][ T10] [ 2052.485765][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2052.486057][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2052.486057][ T10] netdev_get_by_index+0x5e/0x80 [ 2052.486057][ T10] fib6_nh_init+0x3d8/0x1580 [ 2052.486057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2052.486057][ T10] ip6_route_add+0x1c/0x140 [ 2052.486057][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2052.486057][ T10] inet6_addr_add+0x4f8/0xa40 [ 2052.486057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.486057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.486057][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.486057][ T10] netlink_unicast+0x449/0x710 [ 2052.486057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.486057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.486057][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.486057][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.486057][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.486057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.486057][ T10] [ 2052.488077][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2052.488077][ T10] netdev_get_by_index+0x5e/0x80 [ 2052.488077][ T10] fib6_nh_init+0x3d8/0x1580 [ 2052.488077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2052.488077][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2052.488077][ T10] ipv6_add_addr+0x411/0x2000 [ 2052.488077][ T10] inet6_addr_add+0x30e/0xa40 [ 2052.488077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.488077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.488077][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.488077][ T10] netlink_unicast+0x449/0x710 [ 2052.488077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.488077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.488077][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.488077][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.488077][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.488077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.488077][ T10] [ 2052.490116][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2052.490116][ T10] netdev_get_by_index+0x5e/0x80 [ 2052.490116][ T10] fib6_nh_init+0x3d8/0x1580 [ 2052.490116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2052.490116][ T10] ip6_route_add+0x1c/0x140 [ 2052.490116][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2052.490116][ T10] addrconf_add_dev+0xe2/0x170 [ 2052.490116][ T10] inet6_addr_add+0x12f/0xa40 [ 2052.490116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2052.490116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.490116][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.490116][ T10] netlink_unicast+0x449/0x710 [ 2052.490116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.490116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.490116][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.490116][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.490116][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.490116][ T10] [ 2052.492104][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2052.492104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2052.492104][ T10] ipv6_find_idev+0x102/0x170 [ 2052.492104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.492104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.492104][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.492104][ T10] netlink_unicast+0x449/0x710 [ 2052.492104][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.492104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.492104][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.492104][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.492104][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.492104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.492104][ T10] [ 2052.493670][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2052.493670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2052.493670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2052.493670][ T10] ipv6_find_idev+0x102/0x170 [ 2052.493670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2052.493670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.493670][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.493670][ T10] netlink_unicast+0x449/0x710 [ 2052.493670][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.493670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.493670][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.493670][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.493670][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.493670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.493670][ T10] [ 2052.495925][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2052.496185][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2052.496185][ T10] vlan_dev_init+0x97c/0xdd0 [ 2052.496185][ T10] register_netdevice+0x4d3/0x1690 [ 2052.496185][ T10] register_vlan_dev+0x162/0x4a0 [ 2052.496185][ T10] vlan_newlink+0x393/0x610 [ 2052.496185][ T10] rtnl_newlink_create+0x341/0x850 [ 2052.496185][ T10] __rtnl_newlink+0xac9/0xd80 [ 2052.496185][ T10] rtnl_newlink+0x63/0xa0 [ 2052.496185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2052.496185][ T10] netlink_rcv_skb+0x130/0x360 [ 2052.496185][ T10] netlink_unicast+0x449/0x710 [ 2052.496185][ T10] netlink_sendmsg+0x723/0xbe0 [ 2052.496185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2052.496185][ T10] ___sys_sendmsg+0xee/0x170 [ 2052.496185][ T10] __sys_sendmsg+0xcd/0x170 [ 2052.496185][ T10] do_syscall_64+0xc6/0x1e0 [ 2052.496185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2052.496185][ T10] [ 2062.739920][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2062.740414][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2062.740414][ T10] netdev_get_by_index+0x5e/0x80 [ 2062.740414][ T10] fib6_nh_init+0x3d8/0x1580 [ 2062.740414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2062.740414][ T10] ip6_route_add+0x1c/0x140 [ 2062.740414][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2062.740414][ T10] inet6_addr_add+0x4f8/0xa40 [ 2062.740414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.740414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.740414][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.740414][ T10] netlink_unicast+0x449/0x710 [ 2062.740414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.740414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.740414][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.740414][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.740414][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.740414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.740414][ T10] [ 2062.742468][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2062.742468][ T10] netdev_get_by_index+0x5e/0x80 [ 2062.742468][ T10] fib6_nh_init+0x3d8/0x1580 [ 2062.742468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2062.742468][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2062.742468][ T10] ipv6_add_addr+0x411/0x2000 [ 2062.742468][ T10] inet6_addr_add+0x30e/0xa40 [ 2062.742468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.742468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.742468][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.742468][ T10] netlink_unicast+0x449/0x710 [ 2062.742468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.742468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.742468][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.742468][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.742468][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.742468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.742468][ T10] [ 2062.744500][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2062.744500][ T10] netdev_get_by_index+0x5e/0x80 [ 2062.744500][ T10] fib6_nh_init+0x3d8/0x1580 [ 2062.744500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2062.744500][ T10] ip6_route_add+0x1c/0x140 [ 2062.744500][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2062.744500][ T10] addrconf_add_dev+0xe2/0x170 [ 2062.744500][ T10] inet6_addr_add+0x12f/0xa40 [ 2062.744500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.744500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.744500][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.744500][ T10] netlink_unicast+0x449/0x710 [ 2062.744500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.744500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.744500][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.744500][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.744500][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.744500][ T10] [ 2062.746494][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2062.746494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2062.746494][ T10] ipv6_find_idev+0x102/0x170 [ 2062.746494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.746494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.746494][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.746494][ T10] netlink_unicast+0x449/0x710 [ 2062.746494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.746494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.746494][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.746494][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.746494][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.746494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.746494][ T10] [ 2062.748050][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2062.748050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2062.748050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2062.748050][ T10] ipv6_find_idev+0x102/0x170 [ 2062.748050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.748050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.748050][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.748050][ T10] netlink_unicast+0x449/0x710 [ 2062.748050][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.748050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.748050][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.748050][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.748050][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.748050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.748050][ T10] [ 2062.749779][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2062.750074][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2062.750074][ T10] netdev_get_by_index+0x5e/0x80 [ 2062.750074][ T10] fib6_nh_init+0x3d8/0x1580 [ 2062.750074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2062.750074][ T10] ip6_route_add+0x1c/0x140 [ 2062.750074][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2062.750074][ T10] inet6_addr_add+0x4f8/0xa40 [ 2062.750074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.750074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.750074][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.750074][ T10] netlink_unicast+0x449/0x710 [ 2062.750074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.750074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.750074][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.750074][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.750074][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.750074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.750074][ T10] [ 2062.752112][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2062.752112][ T10] netdev_get_by_index+0x5e/0x80 [ 2062.752112][ T10] fib6_nh_init+0x3d8/0x1580 [ 2062.752112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2062.752112][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2062.752112][ T10] ipv6_add_addr+0x411/0x2000 [ 2062.752112][ T10] inet6_addr_add+0x30e/0xa40 [ 2062.752112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.752112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.752112][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.752112][ T10] netlink_unicast+0x449/0x710 [ 2062.752112][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.752112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.752112][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.752112][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.752112][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.752112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.752112][ T10] [ 2062.754139][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2062.754139][ T10] netdev_get_by_index+0x5e/0x80 [ 2062.754139][ T10] fib6_nh_init+0x3d8/0x1580 [ 2062.754139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2062.754139][ T10] ip6_route_add+0x1c/0x140 [ 2062.754139][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2062.754139][ T10] addrconf_add_dev+0xe2/0x170 [ 2062.754139][ T10] inet6_addr_add+0x12f/0xa40 [ 2062.754139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2062.754139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.754139][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.754139][ T10] netlink_unicast+0x449/0x710 [ 2062.754139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.754139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.754139][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.754139][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.754139][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.754139][ T10] [ 2062.756795][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2062.756795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2062.756795][ T10] ipv6_find_idev+0x102/0x170 [ 2062.756795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.756795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.756795][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.756795][ T10] netlink_unicast+0x449/0x710 [ 2062.756795][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.756795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.756795][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.756795][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.756795][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.756795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.756795][ T10] [ 2062.758358][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2062.758358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2062.758358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2062.758358][ T10] ipv6_find_idev+0x102/0x170 [ 2062.758358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2062.758358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.758358][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.758358][ T10] netlink_unicast+0x449/0x710 [ 2062.758358][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.758358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.758358][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.758358][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.758358][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.758358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.758358][ T10] [ 2062.760068][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2062.760320][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2062.760320][ T10] vlan_dev_init+0x97c/0xdd0 [ 2062.760320][ T10] register_netdevice+0x4d3/0x1690 [ 2062.760320][ T10] register_vlan_dev+0x162/0x4a0 [ 2062.760320][ T10] vlan_newlink+0x393/0x610 [ 2062.760320][ T10] rtnl_newlink_create+0x341/0x850 [ 2062.760320][ T10] __rtnl_newlink+0xac9/0xd80 [ 2062.760320][ T10] rtnl_newlink+0x63/0xa0 [ 2062.760320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2062.760320][ T10] netlink_rcv_skb+0x130/0x360 [ 2062.760320][ T10] netlink_unicast+0x449/0x710 [ 2062.760320][ T10] netlink_sendmsg+0x723/0xbe0 [ 2062.760320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2062.760320][ T10] ___sys_sendmsg+0xee/0x170 [ 2062.760320][ T10] __sys_sendmsg+0xcd/0x170 [ 2062.760320][ T10] do_syscall_64+0xc6/0x1e0 [ 2062.760320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2062.760320][ T10] [ 2073.004000][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2073.004513][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2073.004513][ T10] netdev_get_by_index+0x5e/0x80 [ 2073.004513][ T10] fib6_nh_init+0x3d8/0x1580 [ 2073.004513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2073.004513][ T10] ip6_route_add+0x1c/0x140 [ 2073.004513][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2073.004513][ T10] inet6_addr_add+0x4f8/0xa40 [ 2073.004513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.004513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.004513][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.004513][ T10] netlink_unicast+0x449/0x710 [ 2073.004513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.004513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.004513][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.004513][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.004513][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.004513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.004513][ T10] [ 2073.006783][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2073.006783][ T10] netdev_get_by_index+0x5e/0x80 [ 2073.006783][ T10] fib6_nh_init+0x3d8/0x1580 [ 2073.006783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2073.006783][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2073.006783][ T10] ipv6_add_addr+0x411/0x2000 [ 2073.006783][ T10] inet6_addr_add+0x30e/0xa40 [ 2073.006783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.006783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.006783][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.006783][ T10] netlink_unicast+0x449/0x710 [ 2073.006783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.006783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.006783][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.006783][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.006783][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.006783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.006783][ T10] [ 2073.009031][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2073.009031][ T10] netdev_get_by_index+0x5e/0x80 [ 2073.009031][ T10] fib6_nh_init+0x3d8/0x1580 [ 2073.009031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2073.009031][ T10] ip6_route_add+0x1c/0x140 [ 2073.009031][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2073.009031][ T10] addrconf_add_dev+0xe2/0x170 [ 2073.009031][ T10] inet6_addr_add+0x12f/0xa40 [ 2073.009031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.009031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.009031][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.009031][ T10] netlink_unicast+0x449/0x710 [ 2073.009031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.009031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.009031][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.009031][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.009031][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.009031][ T10] [ 2073.011248][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2073.011248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2073.011248][ T10] ipv6_find_idev+0x102/0x170 [ 2073.011248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.011248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.011248][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.011248][ T10] netlink_unicast+0x449/0x710 [ 2073.011248][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.011248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.011248][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.011248][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.011248][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.011248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.011248][ T10] [ 2073.012989][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2073.012989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2073.012989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2073.012989][ T10] ipv6_find_idev+0x102/0x170 [ 2073.012989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.012989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.012989][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.012989][ T10] netlink_unicast+0x449/0x710 [ 2073.012989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.012989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.012989][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.012989][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.012989][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.012989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.012989][ T10] [ 2073.014918][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2073.015222][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2073.015222][ T10] netdev_get_by_index+0x5e/0x80 [ 2073.015222][ T10] fib6_nh_init+0x3d8/0x1580 [ 2073.015222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2073.015222][ T10] ip6_route_add+0x1c/0x140 [ 2073.015222][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2073.015222][ T10] inet6_addr_add+0x4f8/0xa40 [ 2073.015222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.015222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.015222][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.015222][ T10] netlink_unicast+0x449/0x710 [ 2073.015222][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.015222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.015222][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.015222][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.015222][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.015222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.015222][ T10] [ 2073.017489][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2073.017489][ T10] netdev_get_by_index+0x5e/0x80 [ 2073.017489][ T10] fib6_nh_init+0x3d8/0x1580 [ 2073.017489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2073.017489][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2073.017489][ T10] ipv6_add_addr+0x411/0x2000 [ 2073.017489][ T10] inet6_addr_add+0x30e/0xa40 [ 2073.017489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.017489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.017489][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.017489][ T10] netlink_unicast+0x449/0x710 [ 2073.017489][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.017489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.017489][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.017489][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.017489][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.017489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.017489][ T10] [ 2073.019741][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2073.019741][ T10] netdev_get_by_index+0x5e/0x80 [ 2073.019741][ T10] fib6_nh_init+0x3d8/0x1580 [ 2073.019741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2073.019741][ T10] ip6_route_add+0x1c/0x140 [ 2073.019741][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2073.019741][ T10] addrconf_add_dev+0xe2/0x170 [ 2073.019741][ T10] inet6_addr_add+0x12f/0xa40 [ 2073.019741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2073.019741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.019741][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.019741][ T10] netlink_unicast+0x449/0x710 [ 2073.019741][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.019741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.019741][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.019741][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.019741][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.019741][ T10] [ 2073.021967][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2073.021967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2073.021967][ T10] ipv6_find_idev+0x102/0x170 [ 2073.021967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.021967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.021967][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.021967][ T10] netlink_unicast+0x449/0x710 [ 2073.021967][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.021967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.021967][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.021967][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.021967][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.021967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.021967][ T10] [ 2073.023711][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2073.023711][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2073.023711][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2073.023711][ T10] ipv6_find_idev+0x102/0x170 [ 2073.023711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2073.023711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.023711][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.023711][ T10] netlink_unicast+0x449/0x710 [ 2073.023711][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.023711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.023711][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.023711][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.023711][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.023711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.023711][ T10] [ 2073.025636][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2073.025911][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2073.025911][ T10] vlan_dev_init+0x97c/0xdd0 [ 2073.025911][ T10] register_netdevice+0x4d3/0x1690 [ 2073.025911][ T10] register_vlan_dev+0x162/0x4a0 [ 2073.025911][ T10] vlan_newlink+0x393/0x610 [ 2073.025911][ T10] rtnl_newlink_create+0x341/0x850 [ 2073.025911][ T10] __rtnl_newlink+0xac9/0xd80 [ 2073.025911][ T10] rtnl_newlink+0x63/0xa0 [ 2073.025911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2073.025911][ T10] netlink_rcv_skb+0x130/0x360 [ 2073.025911][ T10] netlink_unicast+0x449/0x710 [ 2073.025911][ T10] netlink_sendmsg+0x723/0xbe0 [ 2073.025911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2073.025911][ T10] ___sys_sendmsg+0xee/0x170 [ 2073.025911][ T10] __sys_sendmsg+0xcd/0x170 [ 2073.025911][ T10] do_syscall_64+0xc6/0x1e0 [ 2073.025911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2073.025911][ T10] [ 2083.267996][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2083.268482][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2083.268482][ T10] netdev_get_by_index+0x5e/0x80 [ 2083.268482][ T10] fib6_nh_init+0x3d8/0x1580 [ 2083.268482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2083.268482][ T10] ip6_route_add+0x1c/0x140 [ 2083.268482][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2083.268482][ T10] inet6_addr_add+0x4f8/0xa40 [ 2083.268482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.268482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.268482][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.268482][ T10] netlink_unicast+0x449/0x710 [ 2083.268482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.268482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.268482][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.268482][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.268482][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.268482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.268482][ T10] [ 2083.270753][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2083.270753][ T10] netdev_get_by_index+0x5e/0x80 [ 2083.270753][ T10] fib6_nh_init+0x3d8/0x1580 [ 2083.270753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2083.270753][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2083.270753][ T10] ipv6_add_addr+0x411/0x2000 [ 2083.270753][ T10] inet6_addr_add+0x30e/0xa40 [ 2083.270753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.270753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.270753][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.270753][ T10] netlink_unicast+0x449/0x710 [ 2083.270753][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.270753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.270753][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.270753][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.270753][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.270753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.270753][ T10] [ 2083.273003][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2083.273003][ T10] netdev_get_by_index+0x5e/0x80 [ 2083.273003][ T10] fib6_nh_init+0x3d8/0x1580 [ 2083.273003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2083.273003][ T10] ip6_route_add+0x1c/0x140 [ 2083.273003][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2083.273003][ T10] addrconf_add_dev+0xe2/0x170 [ 2083.273003][ T10] inet6_addr_add+0x12f/0xa40 [ 2083.273003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.273003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.273003][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.273003][ T10] netlink_unicast+0x449/0x710 [ 2083.273003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.273003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.273003][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.273003][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.273003][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.273003][ T10] [ 2083.275210][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2083.275210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2083.275210][ T10] ipv6_find_idev+0x102/0x170 [ 2083.275210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.275210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.275210][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.275210][ T10] netlink_unicast+0x449/0x710 [ 2083.275210][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.275210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.275210][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.275210][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.275210][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.275210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.275210][ T10] [ 2083.276948][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2083.276948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2083.276948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2083.276948][ T10] ipv6_find_idev+0x102/0x170 [ 2083.276948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.276948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.276948][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.276948][ T10] netlink_unicast+0x449/0x710 [ 2083.276948][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.276948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.276948][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.276948][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.276948][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.276948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.276948][ T10] [ 2083.278867][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2083.279186][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2083.279186][ T10] netdev_get_by_index+0x5e/0x80 [ 2083.279186][ T10] fib6_nh_init+0x3d8/0x1580 [ 2083.279186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2083.279186][ T10] ip6_route_add+0x1c/0x140 [ 2083.279186][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2083.279186][ T10] inet6_addr_add+0x4f8/0xa40 [ 2083.279186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.279186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.279186][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.279186][ T10] netlink_unicast+0x449/0x710 [ 2083.279186][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.279186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.279186][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.279186][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.279186][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.279186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.279186][ T10] [ 2083.281421][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2083.281421][ T10] netdev_get_by_index+0x5e/0x80 [ 2083.281421][ T10] fib6_nh_init+0x3d8/0x1580 [ 2083.281421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2083.281421][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2083.281421][ T10] ipv6_add_addr+0x411/0x2000 [ 2083.281421][ T10] inet6_addr_add+0x30e/0xa40 [ 2083.281421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.281421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.281421][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.281421][ T10] netlink_unicast+0x449/0x710 [ 2083.281421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.281421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.281421][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.281421][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.281421][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.281421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.281421][ T10] [ 2083.283678][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2083.283678][ T10] netdev_get_by_index+0x5e/0x80 [ 2083.283678][ T10] fib6_nh_init+0x3d8/0x1580 [ 2083.283678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2083.283678][ T10] ip6_route_add+0x1c/0x140 [ 2083.283678][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2083.283678][ T10] addrconf_add_dev+0xe2/0x170 [ 2083.283678][ T10] inet6_addr_add+0x12f/0xa40 [ 2083.283678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2083.283678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.283678][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.283678][ T10] netlink_unicast+0x449/0x710 [ 2083.283678][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.283678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.283678][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.283678][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.283678][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.283678][ T10] [ 2083.285895][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2083.285895][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2083.285895][ T10] ipv6_find_idev+0x102/0x170 [ 2083.285895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.285895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.285895][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.285895][ T10] netlink_unicast+0x449/0x710 [ 2083.285895][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.285895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.285895][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.285895][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.285895][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.285895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.285895][ T10] [ 2083.287631][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2083.287631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2083.287631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2083.287631][ T10] ipv6_find_idev+0x102/0x170 [ 2083.287631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2083.287631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.287631][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.287631][ T10] netlink_unicast+0x449/0x710 [ 2083.287631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.287631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.287631][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.287631][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.287631][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.287631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.287631][ T10] [ 2083.289537][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2083.289802][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2083.289802][ T10] vlan_dev_init+0x97c/0xdd0 [ 2083.289802][ T10] register_netdevice+0x4d3/0x1690 [ 2083.289802][ T10] register_vlan_dev+0x162/0x4a0 [ 2083.289802][ T10] vlan_newlink+0x393/0x610 [ 2083.289802][ T10] rtnl_newlink_create+0x341/0x850 [ 2083.289802][ T10] __rtnl_newlink+0xac9/0xd80 [ 2083.289802][ T10] rtnl_newlink+0x63/0xa0 [ 2083.289802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2083.289802][ T10] netlink_rcv_skb+0x130/0x360 [ 2083.289802][ T10] netlink_unicast+0x449/0x710 [ 2083.289802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2083.289802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2083.289802][ T10] ___sys_sendmsg+0xee/0x170 [ 2083.289802][ T10] __sys_sendmsg+0xcd/0x170 [ 2083.289802][ T10] do_syscall_64+0xc6/0x1e0 [ 2083.289802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2083.289802][ T10] [ 2093.539997][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2093.540474][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2093.540474][ T10] netdev_get_by_index+0x5e/0x80 [ 2093.540474][ T10] fib6_nh_init+0x3d8/0x1580 [ 2093.540474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2093.540474][ T10] ip6_route_add+0x1c/0x140 [ 2093.540474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2093.540474][ T10] inet6_addr_add+0x4f8/0xa40 [ 2093.540474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.540474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.540474][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.540474][ T10] netlink_unicast+0x449/0x710 [ 2093.540474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.540474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.540474][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.540474][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.540474][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.540474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.540474][ T10] [ 2093.542748][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2093.542748][ T10] netdev_get_by_index+0x5e/0x80 [ 2093.542748][ T10] fib6_nh_init+0x3d8/0x1580 [ 2093.542748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2093.542748][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2093.542748][ T10] ipv6_add_addr+0x411/0x2000 [ 2093.542748][ T10] inet6_addr_add+0x30e/0xa40 [ 2093.542748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.542748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.542748][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.542748][ T10] netlink_unicast+0x449/0x710 [ 2093.542748][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.542748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.542748][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.542748][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.542748][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.542748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.542748][ T10] [ 2093.544976][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2093.544976][ T10] netdev_get_by_index+0x5e/0x80 [ 2093.544976][ T10] fib6_nh_init+0x3d8/0x1580 [ 2093.544976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2093.544976][ T10] ip6_route_add+0x1c/0x140 [ 2093.544976][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2093.544976][ T10] addrconf_add_dev+0xe2/0x170 [ 2093.544976][ T10] inet6_addr_add+0x12f/0xa40 [ 2093.544976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.544976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.544976][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.544976][ T10] netlink_unicast+0x449/0x710 [ 2093.544976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.544976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.544976][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.544976][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.544976][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.544976][ T10] [ 2093.547228][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2093.547228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2093.547228][ T10] ipv6_find_idev+0x102/0x170 [ 2093.547228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.547228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.547228][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.547228][ T10] netlink_unicast+0x449/0x710 [ 2093.547228][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.547228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.547228][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.547228][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.547228][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.547228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.547228][ T10] [ 2093.548969][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2093.548969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2093.548969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2093.548969][ T10] ipv6_find_idev+0x102/0x170 [ 2093.548969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.548969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.548969][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.548969][ T10] netlink_unicast+0x449/0x710 [ 2093.548969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.548969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.548969][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.548969][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.548969][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.548969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.548969][ T10] [ 2093.550871][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2093.551198][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2093.551198][ T10] netdev_get_by_index+0x5e/0x80 [ 2093.551198][ T10] fib6_nh_init+0x3d8/0x1580 [ 2093.551198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2093.551198][ T10] ip6_route_add+0x1c/0x140 [ 2093.551198][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2093.551198][ T10] inet6_addr_add+0x4f8/0xa40 [ 2093.551198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.551198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.551198][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.551198][ T10] netlink_unicast+0x449/0x710 [ 2093.551198][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.551198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.551198][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.551198][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.551198][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.551198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.551198][ T10] [ 2093.553444][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2093.553444][ T10] netdev_get_by_index+0x5e/0x80 [ 2093.553444][ T10] fib6_nh_init+0x3d8/0x1580 [ 2093.553444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2093.553444][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2093.553444][ T10] ipv6_add_addr+0x411/0x2000 [ 2093.553444][ T10] inet6_addr_add+0x30e/0xa40 [ 2093.553444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.553444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.553444][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.553444][ T10] netlink_unicast+0x449/0x710 [ 2093.553444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.553444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.553444][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.553444][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.553444][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.553444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.553444][ T10] [ 2093.555691][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2093.555691][ T10] netdev_get_by_index+0x5e/0x80 [ 2093.555691][ T10] fib6_nh_init+0x3d8/0x1580 [ 2093.555691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2093.555691][ T10] ip6_route_add+0x1c/0x140 [ 2093.555691][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2093.555691][ T10] addrconf_add_dev+0xe2/0x170 [ 2093.555691][ T10] inet6_addr_add+0x12f/0xa40 [ 2093.555691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2093.555691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.555691][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.555691][ T10] netlink_unicast+0x449/0x710 [ 2093.555691][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.555691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.555691][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.555691][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.555691][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.555691][ T10] [ 2093.557912][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2093.557912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2093.557912][ T10] ipv6_find_idev+0x102/0x170 [ 2093.557912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.557912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.557912][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.557912][ T10] netlink_unicast+0x449/0x710 [ 2093.557912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.557912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.557912][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.557912][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.557912][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.557912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.557912][ T10] [ 2093.559639][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2093.559639][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2093.559639][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2093.559639][ T10] ipv6_find_idev+0x102/0x170 [ 2093.559639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2093.559639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.559639][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.559639][ T10] netlink_unicast+0x449/0x710 [ 2093.559639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.559639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.559639][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.559639][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.559639][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.559639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.559639][ T10] [ 2093.561539][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2093.561808][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2093.561808][ T10] vlan_dev_init+0x97c/0xdd0 [ 2093.561808][ T10] register_netdevice+0x4d3/0x1690 [ 2093.561808][ T10] register_vlan_dev+0x162/0x4a0 [ 2093.561808][ T10] vlan_newlink+0x393/0x610 [ 2093.561808][ T10] rtnl_newlink_create+0x341/0x850 [ 2093.561808][ T10] __rtnl_newlink+0xac9/0xd80 [ 2093.561808][ T10] rtnl_newlink+0x63/0xa0 [ 2093.561808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2093.561808][ T10] netlink_rcv_skb+0x130/0x360 [ 2093.561808][ T10] netlink_unicast+0x449/0x710 [ 2093.561808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2093.561808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2093.561808][ T10] ___sys_sendmsg+0xee/0x170 [ 2093.561808][ T10] __sys_sendmsg+0xcd/0x170 [ 2093.561808][ T10] do_syscall_64+0xc6/0x1e0 [ 2093.561808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2093.561808][ T10] [ 2103.804016][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2103.804492][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2103.804492][ T10] netdev_get_by_index+0x5e/0x80 [ 2103.804492][ T10] fib6_nh_init+0x3d8/0x1580 [ 2103.804492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2103.804492][ T10] ip6_route_add+0x1c/0x140 [ 2103.804492][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2103.804492][ T10] inet6_addr_add+0x4f8/0xa40 [ 2103.804492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.804492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.804492][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.804492][ T10] netlink_unicast+0x449/0x710 [ 2103.804492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.804492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.804492][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.804492][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.804492][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.804492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.804492][ T10] [ 2103.806549][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2103.806549][ T10] netdev_get_by_index+0x5e/0x80 [ 2103.806549][ T10] fib6_nh_init+0x3d8/0x1580 [ 2103.806549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2103.806549][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2103.806549][ T10] ipv6_add_addr+0x411/0x2000 [ 2103.806549][ T10] inet6_addr_add+0x30e/0xa40 [ 2103.806549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.806549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.806549][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.806549][ T10] netlink_unicast+0x449/0x710 [ 2103.806549][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.806549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.806549][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.806549][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.806549][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.806549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.806549][ T10] [ 2103.808566][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2103.808566][ T10] netdev_get_by_index+0x5e/0x80 [ 2103.808566][ T10] fib6_nh_init+0x3d8/0x1580 [ 2103.808566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2103.808566][ T10] ip6_route_add+0x1c/0x140 [ 2103.808566][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2103.808566][ T10] addrconf_add_dev+0xe2/0x170 [ 2103.808566][ T10] inet6_addr_add+0x12f/0xa40 [ 2103.808566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.808566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.808566][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.808566][ T10] netlink_unicast+0x449/0x710 [ 2103.808566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.808566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.808566][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.808566][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.808566][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.808566][ T10] [ 2103.810545][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2103.810545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2103.810545][ T10] ipv6_find_idev+0x102/0x170 [ 2103.810545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.810545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.810545][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.810545][ T10] netlink_unicast+0x449/0x710 [ 2103.810545][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.810545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.810545][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.810545][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.810545][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.810545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.810545][ T10] [ 2103.812099][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2103.812099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2103.812099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2103.812099][ T10] ipv6_find_idev+0x102/0x170 [ 2103.812099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.812099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.812099][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.812099][ T10] netlink_unicast+0x449/0x710 [ 2103.812099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.812099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.812099][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.812099][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.812099][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.812099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.812099][ T10] [ 2103.813820][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2103.814117][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2103.814117][ T10] netdev_get_by_index+0x5e/0x80 [ 2103.814117][ T10] fib6_nh_init+0x3d8/0x1580 [ 2103.814117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2103.814117][ T10] ip6_route_add+0x1c/0x140 [ 2103.814117][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2103.814117][ T10] inet6_addr_add+0x4f8/0xa40 [ 2103.814117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.814117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.814117][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.814117][ T10] netlink_unicast+0x449/0x710 [ 2103.814117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.814117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.814117][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.814117][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.814117][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.814117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.814117][ T10] [ 2103.816125][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2103.816125][ T10] netdev_get_by_index+0x5e/0x80 [ 2103.816125][ T10] fib6_nh_init+0x3d8/0x1580 [ 2103.816125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2103.816125][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2103.816125][ T10] ipv6_add_addr+0x411/0x2000 [ 2103.816125][ T10] inet6_addr_add+0x30e/0xa40 [ 2103.816125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.816125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.816125][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.816125][ T10] netlink_unicast+0x449/0x710 [ 2103.816125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.816125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.816125][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.816125][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.816125][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.816125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.816125][ T10] [ 2103.818130][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2103.818130][ T10] netdev_get_by_index+0x5e/0x80 [ 2103.818130][ T10] fib6_nh_init+0x3d8/0x1580 [ 2103.818130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2103.818130][ T10] ip6_route_add+0x1c/0x140 [ 2103.818130][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2103.818130][ T10] addrconf_add_dev+0xe2/0x170 [ 2103.818130][ T10] inet6_addr_add+0x12f/0xa40 [ 2103.818130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2103.818130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.818130][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.818130][ T10] netlink_unicast+0x449/0x710 [ 2103.818130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.818130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.818130][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.818130][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.818130][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.818130][ T10] [ 2103.820101][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2103.820101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2103.820101][ T10] ipv6_find_idev+0x102/0x170 [ 2103.820101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.820101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.820101][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.820101][ T10] netlink_unicast+0x449/0x710 [ 2103.820101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.820101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.820101][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.820101][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.820101][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.820101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.820101][ T10] [ 2103.821653][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2103.821653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2103.821653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2103.821653][ T10] ipv6_find_idev+0x102/0x170 [ 2103.821653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2103.821653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.821653][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.821653][ T10] netlink_unicast+0x449/0x710 [ 2103.821653][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.821653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.821653][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.821653][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.821653][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.821653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.821653][ T10] [ 2103.823353][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2103.823599][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2103.823599][ T10] vlan_dev_init+0x97c/0xdd0 [ 2103.823599][ T10] register_netdevice+0x4d3/0x1690 [ 2103.823599][ T10] register_vlan_dev+0x162/0x4a0 [ 2103.823599][ T10] vlan_newlink+0x393/0x610 [ 2103.823599][ T10] rtnl_newlink_create+0x341/0x850 [ 2103.823599][ T10] __rtnl_newlink+0xac9/0xd80 [ 2103.823599][ T10] rtnl_newlink+0x63/0xa0 [ 2103.823599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2103.823599][ T10] netlink_rcv_skb+0x130/0x360 [ 2103.823599][ T10] netlink_unicast+0x449/0x710 [ 2103.823599][ T10] netlink_sendmsg+0x723/0xbe0 [ 2103.823599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2103.823599][ T10] ___sys_sendmsg+0xee/0x170 [ 2103.823599][ T10] __sys_sendmsg+0xcd/0x170 [ 2103.823599][ T10] do_syscall_64+0xc6/0x1e0 [ 2103.823599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2103.823599][ T10] [ 2114.068010][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2114.068495][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2114.068495][ T10] netdev_get_by_index+0x5e/0x80 [ 2114.068495][ T10] fib6_nh_init+0x3d8/0x1580 [ 2114.068495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2114.068495][ T10] ip6_route_add+0x1c/0x140 [ 2114.068495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2114.068495][ T10] inet6_addr_add+0x4f8/0xa40 [ 2114.068495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.068495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.068495][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.068495][ T10] netlink_unicast+0x449/0x710 [ 2114.068495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.068495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.068495][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.068495][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.068495][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.068495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.068495][ T10] [ 2114.070566][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2114.070566][ T10] netdev_get_by_index+0x5e/0x80 [ 2114.070566][ T10] fib6_nh_init+0x3d8/0x1580 [ 2114.070566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2114.070566][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2114.070566][ T10] ipv6_add_addr+0x411/0x2000 [ 2114.070566][ T10] inet6_addr_add+0x30e/0xa40 [ 2114.070566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.070566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.070566][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.070566][ T10] netlink_unicast+0x449/0x710 [ 2114.070566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.070566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.070566][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.070566][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.070566][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.070566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.070566][ T10] [ 2114.072603][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2114.072603][ T10] netdev_get_by_index+0x5e/0x80 [ 2114.072603][ T10] fib6_nh_init+0x3d8/0x1580 [ 2114.072603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2114.072603][ T10] ip6_route_add+0x1c/0x140 [ 2114.072603][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2114.072603][ T10] addrconf_add_dev+0xe2/0x170 [ 2114.072603][ T10] inet6_addr_add+0x12f/0xa40 [ 2114.072603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.072603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.072603][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.072603][ T10] netlink_unicast+0x449/0x710 [ 2114.072603][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.072603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.072603][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.072603][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.072603][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.072603][ T10] [ 2114.074584][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2114.074584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2114.074584][ T10] ipv6_find_idev+0x102/0x170 [ 2114.074584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.074584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.074584][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.074584][ T10] netlink_unicast+0x449/0x710 [ 2114.074584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.074584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.074584][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.074584][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.074584][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.074584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.074584][ T10] [ 2114.076151][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2114.076151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2114.076151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2114.076151][ T10] ipv6_find_idev+0x102/0x170 [ 2114.076151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.076151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.076151][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.076151][ T10] netlink_unicast+0x449/0x710 [ 2114.076151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.076151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.076151][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.076151][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.076151][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.076151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.076151][ T10] [ 2114.077877][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2114.078169][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2114.078169][ T10] netdev_get_by_index+0x5e/0x80 [ 2114.078169][ T10] fib6_nh_init+0x3d8/0x1580 [ 2114.078169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2114.078169][ T10] ip6_route_add+0x1c/0x140 [ 2114.078169][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2114.078169][ T10] inet6_addr_add+0x4f8/0xa40 [ 2114.078169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.078169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.078169][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.078169][ T10] netlink_unicast+0x449/0x710 [ 2114.078169][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.078169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.078169][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.078169][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.078169][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.078169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.078169][ T10] [ 2114.080212][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2114.080212][ T10] netdev_get_by_index+0x5e/0x80 [ 2114.080212][ T10] fib6_nh_init+0x3d8/0x1580 [ 2114.080212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2114.080212][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2114.080212][ T10] ipv6_add_addr+0x411/0x2000 [ 2114.080212][ T10] inet6_addr_add+0x30e/0xa40 [ 2114.080212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.080212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.080212][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.080212][ T10] netlink_unicast+0x449/0x710 [ 2114.080212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.080212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.080212][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.080212][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.080212][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.080212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.080212][ T10] [ 2114.082233][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2114.082233][ T10] netdev_get_by_index+0x5e/0x80 [ 2114.082233][ T10] fib6_nh_init+0x3d8/0x1580 [ 2114.082233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2114.082233][ T10] ip6_route_add+0x1c/0x140 [ 2114.082233][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2114.082233][ T10] addrconf_add_dev+0xe2/0x170 [ 2114.082233][ T10] inet6_addr_add+0x12f/0xa40 [ 2114.082233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2114.082233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.082233][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.082233][ T10] netlink_unicast+0x449/0x710 [ 2114.082233][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.082233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.082233][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.082233][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.082233][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.082233][ T10] [ 2114.112360][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2114.112360][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2114.112360][ T10] ipv6_find_idev+0x102/0x170 [ 2114.112360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.112360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.112360][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.112360][ T10] netlink_unicast+0x449/0x710 [ 2114.112360][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.112360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.112360][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.112360][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.112360][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.112360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.112360][ T10] [ 2114.113919][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2114.113919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2114.113919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2114.113919][ T10] ipv6_find_idev+0x102/0x170 [ 2114.113919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2114.113919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.113919][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.113919][ T10] netlink_unicast+0x449/0x710 [ 2114.113919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.113919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.113919][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.113919][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.113919][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.113919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.113919][ T10] [ 2114.115632][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2114.115889][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2114.115889][ T10] vlan_dev_init+0x97c/0xdd0 [ 2114.115889][ T10] register_netdevice+0x4d3/0x1690 [ 2114.115889][ T10] register_vlan_dev+0x162/0x4a0 [ 2114.115889][ T10] vlan_newlink+0x393/0x610 [ 2114.115889][ T10] rtnl_newlink_create+0x341/0x850 [ 2114.115889][ T10] __rtnl_newlink+0xac9/0xd80 [ 2114.115889][ T10] rtnl_newlink+0x63/0xa0 [ 2114.115889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2114.115889][ T10] netlink_rcv_skb+0x130/0x360 [ 2114.115889][ T10] netlink_unicast+0x449/0x710 [ 2114.115889][ T10] netlink_sendmsg+0x723/0xbe0 [ 2114.115889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2114.115889][ T10] ___sys_sendmsg+0xee/0x170 [ 2114.115889][ T10] __sys_sendmsg+0xcd/0x170 [ 2114.115889][ T10] do_syscall_64+0xc6/0x1e0 [ 2114.115889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2114.115889][ T10] [ 2124.355997][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2124.356485][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2124.356485][ T10] netdev_get_by_index+0x5e/0x80 [ 2124.356485][ T10] fib6_nh_init+0x3d8/0x1580 [ 2124.356485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2124.356485][ T10] ip6_route_add+0x1c/0x140 [ 2124.356485][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2124.356485][ T10] inet6_addr_add+0x4f8/0xa40 [ 2124.356485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.356485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.356485][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.356485][ T10] netlink_unicast+0x449/0x710 [ 2124.356485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.356485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.356485][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.356485][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.356485][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.356485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.356485][ T10] [ 2124.358534][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2124.358534][ T10] netdev_get_by_index+0x5e/0x80 [ 2124.358534][ T10] fib6_nh_init+0x3d8/0x1580 [ 2124.358534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2124.358534][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2124.358534][ T10] ipv6_add_addr+0x411/0x2000 [ 2124.358534][ T10] inet6_addr_add+0x30e/0xa40 [ 2124.358534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.358534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.358534][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.358534][ T10] netlink_unicast+0x449/0x710 [ 2124.358534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.358534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.358534][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.358534][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.358534][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.358534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.358534][ T10] [ 2124.360549][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2124.360549][ T10] netdev_get_by_index+0x5e/0x80 [ 2124.360549][ T10] fib6_nh_init+0x3d8/0x1580 [ 2124.360549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2124.360549][ T10] ip6_route_add+0x1c/0x140 [ 2124.360549][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2124.360549][ T10] addrconf_add_dev+0xe2/0x170 [ 2124.360549][ T10] inet6_addr_add+0x12f/0xa40 [ 2124.360549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.360549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.360549][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.360549][ T10] netlink_unicast+0x449/0x710 [ 2124.360549][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.360549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.360549][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.360549][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.360549][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.360549][ T10] [ 2124.362536][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2124.362536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2124.362536][ T10] ipv6_find_idev+0x102/0x170 [ 2124.362536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.362536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.362536][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.362536][ T10] netlink_unicast+0x449/0x710 [ 2124.362536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.362536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.362536][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.362536][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.362536][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.362536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.362536][ T10] [ 2124.364094][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2124.364094][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2124.364094][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2124.364094][ T10] ipv6_find_idev+0x102/0x170 [ 2124.364094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.364094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.364094][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.364094][ T10] netlink_unicast+0x449/0x710 [ 2124.364094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.364094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.364094][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.364094][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.364094][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.364094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.364094][ T10] [ 2124.365802][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2124.366091][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2124.366091][ T10] netdev_get_by_index+0x5e/0x80 [ 2124.366091][ T10] fib6_nh_init+0x3d8/0x1580 [ 2124.366091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2124.366091][ T10] ip6_route_add+0x1c/0x140 [ 2124.366091][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2124.366091][ T10] inet6_addr_add+0x4f8/0xa40 [ 2124.366091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.366091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.366091][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.366091][ T10] netlink_unicast+0x449/0x710 [ 2124.366091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.366091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.366091][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.366091][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.366091][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.366091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.366091][ T10] [ 2124.368111][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2124.368111][ T10] netdev_get_by_index+0x5e/0x80 [ 2124.368111][ T10] fib6_nh_init+0x3d8/0x1580 [ 2124.368111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2124.368111][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2124.368111][ T10] ipv6_add_addr+0x411/0x2000 [ 2124.368111][ T10] inet6_addr_add+0x30e/0xa40 [ 2124.368111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.368111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.368111][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.368111][ T10] netlink_unicast+0x449/0x710 [ 2124.368111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.368111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.368111][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.368111][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.368111][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.368111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.368111][ T10] [ 2124.370115][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2124.370115][ T10] netdev_get_by_index+0x5e/0x80 [ 2124.370115][ T10] fib6_nh_init+0x3d8/0x1580 [ 2124.370115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2124.370115][ T10] ip6_route_add+0x1c/0x140 [ 2124.370115][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2124.370115][ T10] addrconf_add_dev+0xe2/0x170 [ 2124.370115][ T10] inet6_addr_add+0x12f/0xa40 [ 2124.370115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2124.370115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.370115][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.370115][ T10] netlink_unicast+0x449/0x710 [ 2124.370115][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.370115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.370115][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.370115][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.370115][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.370115][ T10] [ 2124.372098][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2124.372098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2124.372098][ T10] ipv6_find_idev+0x102/0x170 [ 2124.372098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.372098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.372098][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.372098][ T10] netlink_unicast+0x449/0x710 [ 2124.372098][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.372098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.372098][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.372098][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.372098][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.372098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.372098][ T10] [ 2124.374187][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2124.374187][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2124.374187][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2124.374187][ T10] ipv6_find_idev+0x102/0x170 [ 2124.374187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2124.374187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.374187][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.374187][ T10] netlink_unicast+0x449/0x710 [ 2124.374187][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.374187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.374187][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.374187][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.374187][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.374187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.374187][ T10] [ 2124.375903][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2124.376157][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2124.376157][ T10] vlan_dev_init+0x97c/0xdd0 [ 2124.376157][ T10] register_netdevice+0x4d3/0x1690 [ 2124.376157][ T10] register_vlan_dev+0x162/0x4a0 [ 2124.376157][ T10] vlan_newlink+0x393/0x610 [ 2124.376157][ T10] rtnl_newlink_create+0x341/0x850 [ 2124.376157][ T10] __rtnl_newlink+0xac9/0xd80 [ 2124.376157][ T10] rtnl_newlink+0x63/0xa0 [ 2124.376157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2124.376157][ T10] netlink_rcv_skb+0x130/0x360 [ 2124.376157][ T10] netlink_unicast+0x449/0x710 [ 2124.376157][ T10] netlink_sendmsg+0x723/0xbe0 [ 2124.376157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2124.376157][ T10] ___sys_sendmsg+0xee/0x170 [ 2124.376157][ T10] __sys_sendmsg+0xcd/0x170 [ 2124.376157][ T10] do_syscall_64+0xc6/0x1e0 [ 2124.376157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2124.376157][ T10] [ 2134.403926][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2134.404407][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2134.404407][ T10] netdev_get_by_index+0x5e/0x80 [ 2134.404407][ T10] fib6_nh_init+0x3d8/0x1580 [ 2134.404407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2134.404407][ T10] ip6_route_add+0x1c/0x140 [ 2134.404407][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2134.404407][ T10] inet6_addr_add+0x4f8/0xa40 [ 2134.404407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.404407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.404407][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.404407][ T10] netlink_unicast+0x449/0x710 [ 2134.404407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.404407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.404407][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.404407][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.404407][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.404407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.404407][ T10] [ 2134.406479][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2134.406479][ T10] netdev_get_by_index+0x5e/0x80 [ 2134.406479][ T10] fib6_nh_init+0x3d8/0x1580 [ 2134.406479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2134.406479][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2134.406479][ T10] ipv6_add_addr+0x411/0x2000 [ 2134.406479][ T10] inet6_addr_add+0x30e/0xa40 [ 2134.406479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.406479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.406479][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.406479][ T10] netlink_unicast+0x449/0x710 [ 2134.406479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.406479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.406479][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.406479][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.406479][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.406479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.406479][ T10] [ 2134.408515][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2134.408515][ T10] netdev_get_by_index+0x5e/0x80 [ 2134.408515][ T10] fib6_nh_init+0x3d8/0x1580 [ 2134.408515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2134.408515][ T10] ip6_route_add+0x1c/0x140 [ 2134.408515][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2134.408515][ T10] addrconf_add_dev+0xe2/0x170 [ 2134.408515][ T10] inet6_addr_add+0x12f/0xa40 [ 2134.408515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.408515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.408515][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.408515][ T10] netlink_unicast+0x449/0x710 [ 2134.408515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.408515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.408515][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.408515][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.408515][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.408515][ T10] [ 2134.410638][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2134.410638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2134.410638][ T10] ipv6_find_idev+0x102/0x170 [ 2134.410638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.410638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.410638][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.410638][ T10] netlink_unicast+0x449/0x710 [ 2134.410638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.410638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.410638][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.410638][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.410638][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.410638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.410638][ T10] [ 2134.412205][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2134.412205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2134.412205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2134.412205][ T10] ipv6_find_idev+0x102/0x170 [ 2134.412205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.412205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.412205][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.412205][ T10] netlink_unicast+0x449/0x710 [ 2134.412205][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.412205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.412205][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.412205][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.412205][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.412205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.412205][ T10] [ 2134.413944][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2134.414226][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2134.414226][ T10] netdev_get_by_index+0x5e/0x80 [ 2134.414226][ T10] fib6_nh_init+0x3d8/0x1580 [ 2134.414226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2134.414226][ T10] ip6_route_add+0x1c/0x140 [ 2134.414226][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2134.414226][ T10] inet6_addr_add+0x4f8/0xa40 [ 2134.414226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.414226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.414226][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.414226][ T10] netlink_unicast+0x449/0x710 [ 2134.414226][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.414226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.414226][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.414226][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.414226][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.414226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.414226][ T10] [ 2134.416266][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2134.416266][ T10] netdev_get_by_index+0x5e/0x80 [ 2134.416266][ T10] fib6_nh_init+0x3d8/0x1580 [ 2134.416266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2134.416266][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2134.416266][ T10] ipv6_add_addr+0x411/0x2000 [ 2134.416266][ T10] inet6_addr_add+0x30e/0xa40 [ 2134.416266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.416266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.416266][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.416266][ T10] netlink_unicast+0x449/0x710 [ 2134.416266][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.416266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.416266][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.416266][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.416266][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.416266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.416266][ T10] [ 2134.418303][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2134.418303][ T10] netdev_get_by_index+0x5e/0x80 [ 2134.418303][ T10] fib6_nh_init+0x3d8/0x1580 [ 2134.418303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2134.418303][ T10] ip6_route_add+0x1c/0x140 [ 2134.418303][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2134.418303][ T10] addrconf_add_dev+0xe2/0x170 [ 2134.418303][ T10] inet6_addr_add+0x12f/0xa40 [ 2134.418303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2134.418303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.418303][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.418303][ T10] netlink_unicast+0x449/0x710 [ 2134.418303][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.418303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.418303][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.418303][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.418303][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.418303][ T10] [ 2134.420297][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2134.420297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2134.420297][ T10] ipv6_find_idev+0x102/0x170 [ 2134.420297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.420297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.420297][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.420297][ T10] netlink_unicast+0x449/0x710 [ 2134.420297][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.420297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.420297][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.420297][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.420297][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.420297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.420297][ T10] [ 2134.450621][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2134.450621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2134.450621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2134.450621][ T10] ipv6_find_idev+0x102/0x170 [ 2134.450621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2134.450621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.450621][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.450621][ T10] netlink_unicast+0x449/0x710 [ 2134.450621][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.450621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.450621][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.450621][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.450621][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.450621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.450621][ T10] [ 2134.452356][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2134.452624][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2134.452624][ T10] vlan_dev_init+0x97c/0xdd0 [ 2134.452624][ T10] register_netdevice+0x4d3/0x1690 [ 2134.452624][ T10] register_vlan_dev+0x162/0x4a0 [ 2134.452624][ T10] vlan_newlink+0x393/0x610 [ 2134.452624][ T10] rtnl_newlink_create+0x341/0x850 [ 2134.452624][ T10] __rtnl_newlink+0xac9/0xd80 [ 2134.452624][ T10] rtnl_newlink+0x63/0xa0 [ 2134.452624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2134.452624][ T10] netlink_rcv_skb+0x130/0x360 [ 2134.452624][ T10] netlink_unicast+0x449/0x710 [ 2134.452624][ T10] netlink_sendmsg+0x723/0xbe0 [ 2134.452624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2134.452624][ T10] ___sys_sendmsg+0xee/0x170 [ 2134.452624][ T10] __sys_sendmsg+0xcd/0x170 [ 2134.452624][ T10] do_syscall_64+0xc6/0x1e0 [ 2134.452624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2134.452624][ T10] [ 2144.691940][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2144.692445][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2144.692445][ T10] netdev_get_by_index+0x5e/0x80 [ 2144.692445][ T10] fib6_nh_init+0x3d8/0x1580 [ 2144.692445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2144.692445][ T10] ip6_route_add+0x1c/0x140 [ 2144.692445][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2144.692445][ T10] inet6_addr_add+0x4f8/0xa40 [ 2144.692445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.692445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.692445][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.692445][ T10] netlink_unicast+0x449/0x710 [ 2144.692445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.692445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.692445][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.692445][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.692445][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.692445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.692445][ T10] [ 2144.694499][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2144.694499][ T10] netdev_get_by_index+0x5e/0x80 [ 2144.694499][ T10] fib6_nh_init+0x3d8/0x1580 [ 2144.694499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2144.694499][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2144.694499][ T10] ipv6_add_addr+0x411/0x2000 [ 2144.694499][ T10] inet6_addr_add+0x30e/0xa40 [ 2144.694499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.694499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.694499][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.694499][ T10] netlink_unicast+0x449/0x710 [ 2144.694499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.694499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.694499][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.694499][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.694499][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.694499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.694499][ T10] [ 2144.696534][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2144.696534][ T10] netdev_get_by_index+0x5e/0x80 [ 2144.696534][ T10] fib6_nh_init+0x3d8/0x1580 [ 2144.696534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2144.696534][ T10] ip6_route_add+0x1c/0x140 [ 2144.696534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2144.696534][ T10] addrconf_add_dev+0xe2/0x170 [ 2144.696534][ T10] inet6_addr_add+0x12f/0xa40 [ 2144.696534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.696534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.696534][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.696534][ T10] netlink_unicast+0x449/0x710 [ 2144.696534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.696534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.696534][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.696534][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.696534][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.696534][ T10] [ 2144.698529][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2144.698529][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2144.698529][ T10] ipv6_find_idev+0x102/0x170 [ 2144.698529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.698529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.698529][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.698529][ T10] netlink_unicast+0x449/0x710 [ 2144.698529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.698529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.698529][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.698529][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.698529][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.698529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.698529][ T10] [ 2144.700090][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2144.700090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2144.700090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2144.700090][ T10] ipv6_find_idev+0x102/0x170 [ 2144.700090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.700090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.700090][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.700090][ T10] netlink_unicast+0x449/0x710 [ 2144.700090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.700090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.700090][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.700090][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.700090][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.700090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.700090][ T10] [ 2144.701813][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2144.702106][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2144.702106][ T10] netdev_get_by_index+0x5e/0x80 [ 2144.702106][ T10] fib6_nh_init+0x3d8/0x1580 [ 2144.702106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2144.702106][ T10] ip6_route_add+0x1c/0x140 [ 2144.702106][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2144.702106][ T10] inet6_addr_add+0x4f8/0xa40 [ 2144.702106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.702106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.702106][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.702106][ T10] netlink_unicast+0x449/0x710 [ 2144.702106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.702106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.702106][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.702106][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.702106][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.702106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.702106][ T10] [ 2144.704149][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2144.704149][ T10] netdev_get_by_index+0x5e/0x80 [ 2144.704149][ T10] fib6_nh_init+0x3d8/0x1580 [ 2144.704149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2144.704149][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2144.704149][ T10] ipv6_add_addr+0x411/0x2000 [ 2144.704149][ T10] inet6_addr_add+0x30e/0xa40 [ 2144.704149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.704149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.704149][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.704149][ T10] netlink_unicast+0x449/0x710 [ 2144.704149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.704149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.704149][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.704149][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.704149][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.704149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.704149][ T10] [ 2144.706177][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2144.706177][ T10] netdev_get_by_index+0x5e/0x80 [ 2144.706177][ T10] fib6_nh_init+0x3d8/0x1580 [ 2144.706177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2144.706177][ T10] ip6_route_add+0x1c/0x140 [ 2144.706177][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2144.706177][ T10] addrconf_add_dev+0xe2/0x170 [ 2144.706177][ T10] inet6_addr_add+0x12f/0xa40 [ 2144.706177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2144.706177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.706177][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.706177][ T10] netlink_unicast+0x449/0x710 [ 2144.706177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.706177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.706177][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.706177][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.706177][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.706177][ T10] [ 2144.708170][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2144.708170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2144.708170][ T10] ipv6_find_idev+0x102/0x170 [ 2144.708170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.708170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.708170][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.708170][ T10] netlink_unicast+0x449/0x710 [ 2144.708170][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.708170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.708170][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.708170][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.708170][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.708170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.708170][ T10] [ 2144.709730][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2144.709730][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2144.709730][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2144.709730][ T10] ipv6_find_idev+0x102/0x170 [ 2144.709730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2144.709730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.709730][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.709730][ T10] netlink_unicast+0x449/0x710 [ 2144.709730][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.709730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.709730][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.709730][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.709730][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.709730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.709730][ T10] [ 2144.711452][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2144.711702][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2144.711702][ T10] vlan_dev_init+0x97c/0xdd0 [ 2144.711702][ T10] register_netdevice+0x4d3/0x1690 [ 2144.711702][ T10] register_vlan_dev+0x162/0x4a0 [ 2144.711702][ T10] vlan_newlink+0x393/0x610 [ 2144.711702][ T10] rtnl_newlink_create+0x341/0x850 [ 2144.711702][ T10] __rtnl_newlink+0xac9/0xd80 [ 2144.711702][ T10] rtnl_newlink+0x63/0xa0 [ 2144.711702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2144.711702][ T10] netlink_rcv_skb+0x130/0x360 [ 2144.711702][ T10] netlink_unicast+0x449/0x710 [ 2144.711702][ T10] netlink_sendmsg+0x723/0xbe0 [ 2144.711702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2144.711702][ T10] ___sys_sendmsg+0xee/0x170 [ 2144.711702][ T10] __sys_sendmsg+0xcd/0x170 [ 2144.711702][ T10] do_syscall_64+0xc6/0x1e0 [ 2144.711702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2144.711702][ T10] [ 2154.956042][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2154.956571][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2154.956571][ T10] netdev_get_by_index+0x5e/0x80 [ 2154.956571][ T10] fib6_nh_init+0x3d8/0x1580 [ 2154.956571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2154.956571][ T10] ip6_route_add+0x1c/0x140 [ 2154.956571][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2154.956571][ T10] inet6_addr_add+0x4f8/0xa40 [ 2154.956571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2154.956571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.956571][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.956571][ T10] netlink_unicast+0x449/0x710 [ 2154.956571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.956571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.956571][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.956571][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.956571][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.956571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.956571][ T10] [ 2154.958750][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2154.958750][ T10] netdev_get_by_index+0x5e/0x80 [ 2154.958750][ T10] fib6_nh_init+0x3d8/0x1580 [ 2154.958750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2154.958750][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2154.958750][ T10] ipv6_add_addr+0x411/0x2000 [ 2154.958750][ T10] inet6_addr_add+0x30e/0xa40 [ 2154.958750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2154.958750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.958750][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.958750][ T10] netlink_unicast+0x449/0x710 [ 2154.958750][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.958750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.958750][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.958750][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.958750][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.958750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.958750][ T10] [ 2154.960780][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2154.960780][ T10] netdev_get_by_index+0x5e/0x80 [ 2154.960780][ T10] fib6_nh_init+0x3d8/0x1580 [ 2154.960780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2154.960780][ T10] ip6_route_add+0x1c/0x140 [ 2154.960780][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2154.960780][ T10] addrconf_add_dev+0xe2/0x170 [ 2154.960780][ T10] inet6_addr_add+0x12f/0xa40 [ 2154.960780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2154.960780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.960780][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.960780][ T10] netlink_unicast+0x449/0x710 [ 2154.960780][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.960780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.960780][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.960780][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.960780][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.960780][ T10] [ 2154.962896][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2154.962896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2154.962896][ T10] ipv6_find_idev+0x102/0x170 [ 2154.962896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2154.962896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.962896][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.962896][ T10] netlink_unicast+0x449/0x710 [ 2154.962896][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.962896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.962896][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.962896][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.962896][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.962896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.962896][ T10] [ 2154.964453][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2154.964453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2154.964453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2154.964453][ T10] ipv6_find_idev+0x102/0x170 [ 2154.964453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2154.964453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.964453][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.964453][ T10] netlink_unicast+0x449/0x710 [ 2154.964453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.964453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.964453][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.964453][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.964453][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.964453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.964453][ T10] [ 2154.966191][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2154.966475][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2154.966475][ T10] netdev_get_by_index+0x5e/0x80 [ 2154.966475][ T10] fib6_nh_init+0x3d8/0x1580 [ 2154.966475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2154.966475][ T10] ip6_route_add+0x1c/0x140 [ 2154.966475][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2154.966475][ T10] inet6_addr_add+0x4f8/0xa40 [ 2154.966475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2154.966475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.966475][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.966475][ T10] netlink_unicast+0x449/0x710 [ 2154.966475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.966475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.966475][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.966475][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.966475][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.966475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.966475][ T10] [ 2154.968505][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2154.968505][ T10] netdev_get_by_index+0x5e/0x80 [ 2154.968505][ T10] fib6_nh_init+0x3d8/0x1580 [ 2154.968505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2154.968505][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2154.968505][ T10] ipv6_add_addr+0x411/0x2000 [ 2154.968505][ T10] inet6_addr_add+0x30e/0xa40 [ 2154.968505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2154.968505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.968505][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.968505][ T10] netlink_unicast+0x449/0x710 [ 2154.968505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.968505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.968505][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.968505][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.968505][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.968505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.968505][ T10] [ 2154.970515][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2154.970515][ T10] netdev_get_by_index+0x5e/0x80 [ 2154.970515][ T10] fib6_nh_init+0x3d8/0x1580 [ 2154.970515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2154.970515][ T10] ip6_route_add+0x1c/0x140 [ 2154.970515][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2154.970515][ T10] addrconf_add_dev+0xe2/0x170 [ 2154.970515][ T10] inet6_addr_add+0x12f/0xa40 [ 2154.970515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2154.970515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.970515][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.970515][ T10] netlink_unicast+0x449/0x710 [ 2154.970515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.970515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.970515][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.970515][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.970515][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.970515][ T10] [ 2154.972506][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2154.972506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2154.972506][ T10] ipv6_find_idev+0x102/0x170 [ 2154.972506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2154.972506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.972506][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.972506][ T10] netlink_unicast+0x449/0x710 [ 2154.972506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.972506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.972506][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.972506][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.972506][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.972506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.972506][ T10] [ 2154.974064][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2154.974064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2154.974064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2154.974064][ T10] ipv6_find_idev+0x102/0x170 [ 2154.974064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2154.974064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.974064][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.974064][ T10] netlink_unicast+0x449/0x710 [ 2154.974064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.974064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.974064][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.974064][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.974064][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.974064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.974064][ T10] [ 2154.975766][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2154.976025][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2154.976025][ T10] vlan_dev_init+0x97c/0xdd0 [ 2154.976025][ T10] register_netdevice+0x4d3/0x1690 [ 2154.976025][ T10] register_vlan_dev+0x162/0x4a0 [ 2154.976025][ T10] vlan_newlink+0x393/0x610 [ 2154.976025][ T10] rtnl_newlink_create+0x341/0x850 [ 2154.976025][ T10] __rtnl_newlink+0xac9/0xd80 [ 2154.976025][ T10] rtnl_newlink+0x63/0xa0 [ 2154.976025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2154.976025][ T10] netlink_rcv_skb+0x130/0x360 [ 2154.976025][ T10] netlink_unicast+0x449/0x710 [ 2154.976025][ T10] netlink_sendmsg+0x723/0xbe0 [ 2154.976025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2154.976025][ T10] ___sys_sendmsg+0xee/0x170 [ 2154.976025][ T10] __sys_sendmsg+0xcd/0x170 [ 2154.976025][ T10] do_syscall_64+0xc6/0x1e0 [ 2154.976025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2154.976025][ T10] [ 2165.220042][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2165.220525][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2165.220525][ T10] netdev_get_by_index+0x5e/0x80 [ 2165.220525][ T10] fib6_nh_init+0x3d8/0x1580 [ 2165.220525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2165.220525][ T10] ip6_route_add+0x1c/0x140 [ 2165.220525][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2165.220525][ T10] inet6_addr_add+0x4f8/0xa40 [ 2165.220525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.220525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.220525][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.220525][ T10] netlink_unicast+0x449/0x710 [ 2165.220525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.220525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.220525][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.220525][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.220525][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.220525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.220525][ T10] [ 2165.222695][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2165.222695][ T10] netdev_get_by_index+0x5e/0x80 [ 2165.222695][ T10] fib6_nh_init+0x3d8/0x1580 [ 2165.222695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2165.222695][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2165.222695][ T10] ipv6_add_addr+0x411/0x2000 [ 2165.222695][ T10] inet6_addr_add+0x30e/0xa40 [ 2165.222695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.222695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.222695][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.222695][ T10] netlink_unicast+0x449/0x710 [ 2165.222695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.222695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.222695][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.222695][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.222695][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.222695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.222695][ T10] [ 2165.224715][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2165.224715][ T10] netdev_get_by_index+0x5e/0x80 [ 2165.224715][ T10] fib6_nh_init+0x3d8/0x1580 [ 2165.224715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2165.224715][ T10] ip6_route_add+0x1c/0x140 [ 2165.224715][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2165.224715][ T10] addrconf_add_dev+0xe2/0x170 [ 2165.224715][ T10] inet6_addr_add+0x12f/0xa40 [ 2165.224715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.224715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.224715][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.224715][ T10] netlink_unicast+0x449/0x710 [ 2165.224715][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.224715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.224715][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.224715][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.224715][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.224715][ T10] [ 2165.226715][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2165.226715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2165.226715][ T10] ipv6_find_idev+0x102/0x170 [ 2165.226715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.226715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.226715][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.226715][ T10] netlink_unicast+0x449/0x710 [ 2165.226715][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.226715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.226715][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.226715][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.226715][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.226715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.226715][ T10] [ 2165.228273][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2165.228273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2165.228273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2165.228273][ T10] ipv6_find_idev+0x102/0x170 [ 2165.228273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.228273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.228273][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.228273][ T10] netlink_unicast+0x449/0x710 [ 2165.228273][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.228273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.228273][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.228273][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.228273][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.228273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.228273][ T10] [ 2165.229996][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2165.230278][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2165.230278][ T10] netdev_get_by_index+0x5e/0x80 [ 2165.230278][ T10] fib6_nh_init+0x3d8/0x1580 [ 2165.230278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2165.230278][ T10] ip6_route_add+0x1c/0x140 [ 2165.230278][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2165.230278][ T10] inet6_addr_add+0x4f8/0xa40 [ 2165.230278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.230278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.230278][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.230278][ T10] netlink_unicast+0x449/0x710 [ 2165.230278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.230278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.230278][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.230278][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.230278][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.230278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.230278][ T10] [ 2165.232423][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2165.232423][ T10] netdev_get_by_index+0x5e/0x80 [ 2165.232423][ T10] fib6_nh_init+0x3d8/0x1580 [ 2165.232423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2165.232423][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2165.232423][ T10] ipv6_add_addr+0x411/0x2000 [ 2165.232423][ T10] inet6_addr_add+0x30e/0xa40 [ 2165.232423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.232423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.232423][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.232423][ T10] netlink_unicast+0x449/0x710 [ 2165.232423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.232423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.232423][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.232423][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.232423][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.232423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.232423][ T10] [ 2165.234450][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2165.234450][ T10] netdev_get_by_index+0x5e/0x80 [ 2165.234450][ T10] fib6_nh_init+0x3d8/0x1580 [ 2165.234450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2165.234450][ T10] ip6_route_add+0x1c/0x140 [ 2165.234450][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2165.234450][ T10] addrconf_add_dev+0xe2/0x170 [ 2165.234450][ T10] inet6_addr_add+0x12f/0xa40 [ 2165.234450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2165.234450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.234450][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.234450][ T10] netlink_unicast+0x449/0x710 [ 2165.234450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.234450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.234450][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.234450][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.234450][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.234450][ T10] [ 2165.236442][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2165.236442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2165.236442][ T10] ipv6_find_idev+0x102/0x170 [ 2165.236442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.236442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.236442][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.236442][ T10] netlink_unicast+0x449/0x710 [ 2165.236442][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.236442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.236442][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.236442][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.236442][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.236442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.236442][ T10] [ 2165.238005][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2165.238005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2165.238005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2165.238005][ T10] ipv6_find_idev+0x102/0x170 [ 2165.238005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2165.238005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.238005][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.238005][ T10] netlink_unicast+0x449/0x710 [ 2165.238005][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.238005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.238005][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.238005][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.238005][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.238005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.238005][ T10] [ 2165.239737][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2165.239999][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2165.239999][ T10] vlan_dev_init+0x97c/0xdd0 [ 2165.239999][ T10] register_netdevice+0x4d3/0x1690 [ 2165.239999][ T10] register_vlan_dev+0x162/0x4a0 [ 2165.239999][ T10] vlan_newlink+0x393/0x610 [ 2165.239999][ T10] rtnl_newlink_create+0x341/0x850 [ 2165.239999][ T10] __rtnl_newlink+0xac9/0xd80 [ 2165.239999][ T10] rtnl_newlink+0x63/0xa0 [ 2165.239999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2165.239999][ T10] netlink_rcv_skb+0x130/0x360 [ 2165.239999][ T10] netlink_unicast+0x449/0x710 [ 2165.239999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2165.239999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2165.239999][ T10] ___sys_sendmsg+0xee/0x170 [ 2165.239999][ T10] __sys_sendmsg+0xcd/0x170 [ 2165.239999][ T10] do_syscall_64+0xc6/0x1e0 [ 2165.239999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2165.239999][ T10] [ 2175.484013][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2175.484531][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2175.484531][ T10] netdev_get_by_index+0x5e/0x80 [ 2175.484531][ T10] fib6_nh_init+0x3d8/0x1580 [ 2175.484531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2175.484531][ T10] ip6_route_add+0x1c/0x140 [ 2175.484531][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2175.484531][ T10] inet6_addr_add+0x4f8/0xa40 [ 2175.484531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.484531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.484531][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.484531][ T10] netlink_unicast+0x449/0x710 [ 2175.484531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.484531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.484531][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.484531][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.484531][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.484531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.484531][ T10] [ 2175.486822][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2175.486822][ T10] netdev_get_by_index+0x5e/0x80 [ 2175.486822][ T10] fib6_nh_init+0x3d8/0x1580 [ 2175.486822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2175.486822][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2175.486822][ T10] ipv6_add_addr+0x411/0x2000 [ 2175.486822][ T10] inet6_addr_add+0x30e/0xa40 [ 2175.486822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.486822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.486822][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.486822][ T10] netlink_unicast+0x449/0x710 [ 2175.486822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.486822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.486822][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.486822][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.486822][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.486822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.486822][ T10] [ 2175.489104][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2175.489104][ T10] netdev_get_by_index+0x5e/0x80 [ 2175.489104][ T10] fib6_nh_init+0x3d8/0x1580 [ 2175.489104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2175.489104][ T10] ip6_route_add+0x1c/0x140 [ 2175.489104][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2175.489104][ T10] addrconf_add_dev+0xe2/0x170 [ 2175.489104][ T10] inet6_addr_add+0x12f/0xa40 [ 2175.489104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.489104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.489104][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.489104][ T10] netlink_unicast+0x449/0x710 [ 2175.489104][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.489104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.489104][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.489104][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.489104][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.489104][ T10] [ 2175.491349][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2175.491349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2175.491349][ T10] ipv6_find_idev+0x102/0x170 [ 2175.491349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.491349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.491349][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.491349][ T10] netlink_unicast+0x449/0x710 [ 2175.491349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.491349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.491349][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.491349][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.491349][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.491349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.491349][ T10] [ 2175.493100][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2175.493100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2175.493100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2175.493100][ T10] ipv6_find_idev+0x102/0x170 [ 2175.493100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.493100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.493100][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.493100][ T10] netlink_unicast+0x449/0x710 [ 2175.493100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.493100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.493100][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.493100][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.493100][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.493100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.493100][ T10] [ 2175.495012][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2175.495315][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2175.495315][ T10] netdev_get_by_index+0x5e/0x80 [ 2175.495315][ T10] fib6_nh_init+0x3d8/0x1580 [ 2175.495315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2175.495315][ T10] ip6_route_add+0x1c/0x140 [ 2175.495315][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2175.495315][ T10] inet6_addr_add+0x4f8/0xa40 [ 2175.495315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.495315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.495315][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.495315][ T10] netlink_unicast+0x449/0x710 [ 2175.495315][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.495315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.495315][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.495315][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.495315][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.495315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.495315][ T10] [ 2175.497595][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2175.497595][ T10] netdev_get_by_index+0x5e/0x80 [ 2175.497595][ T10] fib6_nh_init+0x3d8/0x1580 [ 2175.497595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2175.497595][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2175.497595][ T10] ipv6_add_addr+0x411/0x2000 [ 2175.497595][ T10] inet6_addr_add+0x30e/0xa40 [ 2175.497595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.497595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.497595][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.497595][ T10] netlink_unicast+0x449/0x710 [ 2175.497595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.497595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.497595][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.497595][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.497595][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.497595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.497595][ T10] [ 2175.499859][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2175.499859][ T10] netdev_get_by_index+0x5e/0x80 [ 2175.499859][ T10] fib6_nh_init+0x3d8/0x1580 [ 2175.499859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2175.499859][ T10] ip6_route_add+0x1c/0x140 [ 2175.499859][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2175.499859][ T10] addrconf_add_dev+0xe2/0x170 [ 2175.499859][ T10] inet6_addr_add+0x12f/0xa40 [ 2175.499859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2175.499859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.499859][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.499859][ T10] netlink_unicast+0x449/0x710 [ 2175.499859][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.499859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.499859][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.499859][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.499859][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.499859][ T10] [ 2175.502099][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2175.502099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2175.502099][ T10] ipv6_find_idev+0x102/0x170 [ 2175.502099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.502099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.502099][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.502099][ T10] netlink_unicast+0x449/0x710 [ 2175.502099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.502099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.502099][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.502099][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.502099][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.502099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.502099][ T10] [ 2175.503861][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2175.503861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2175.503861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2175.503861][ T10] ipv6_find_idev+0x102/0x170 [ 2175.503861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2175.503861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.503861][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.503861][ T10] netlink_unicast+0x449/0x710 [ 2175.503861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.503861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.503861][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.503861][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.503861][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.503861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.503861][ T10] [ 2175.505767][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2175.506046][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2175.506046][ T10] vlan_dev_init+0x97c/0xdd0 [ 2175.506046][ T10] register_netdevice+0x4d3/0x1690 [ 2175.506046][ T10] register_vlan_dev+0x162/0x4a0 [ 2175.506046][ T10] vlan_newlink+0x393/0x610 [ 2175.506046][ T10] rtnl_newlink_create+0x341/0x850 [ 2175.506046][ T10] __rtnl_newlink+0xac9/0xd80 [ 2175.506046][ T10] rtnl_newlink+0x63/0xa0 [ 2175.506046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2175.506046][ T10] netlink_rcv_skb+0x130/0x360 [ 2175.506046][ T10] netlink_unicast+0x449/0x710 [ 2175.506046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2175.506046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2175.506046][ T10] ___sys_sendmsg+0xee/0x170 [ 2175.506046][ T10] __sys_sendmsg+0xcd/0x170 [ 2175.506046][ T10] do_syscall_64+0xc6/0x1e0 [ 2175.506046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2175.506046][ T10] [ 2185.748018][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2185.748524][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2185.748524][ T10] netdev_get_by_index+0x5e/0x80 [ 2185.748524][ T10] fib6_nh_init+0x3d8/0x1580 [ 2185.748524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2185.748524][ T10] ip6_route_add+0x1c/0x140 [ 2185.748524][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2185.748524][ T10] inet6_addr_add+0x4f8/0xa40 [ 2185.748524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.748524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.748524][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.748524][ T10] netlink_unicast+0x449/0x710 [ 2185.748524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.748524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.748524][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.748524][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.748524][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.748524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.748524][ T10] [ 2185.750799][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2185.750799][ T10] netdev_get_by_index+0x5e/0x80 [ 2185.750799][ T10] fib6_nh_init+0x3d8/0x1580 [ 2185.750799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2185.750799][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2185.750799][ T10] ipv6_add_addr+0x411/0x2000 [ 2185.750799][ T10] inet6_addr_add+0x30e/0xa40 [ 2185.750799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.750799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.750799][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.750799][ T10] netlink_unicast+0x449/0x710 [ 2185.750799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.750799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.750799][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.750799][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.750799][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.750799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.750799][ T10] [ 2185.753064][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2185.753064][ T10] netdev_get_by_index+0x5e/0x80 [ 2185.753064][ T10] fib6_nh_init+0x3d8/0x1580 [ 2185.753064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2185.753064][ T10] ip6_route_add+0x1c/0x140 [ 2185.753064][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2185.753064][ T10] addrconf_add_dev+0xe2/0x170 [ 2185.753064][ T10] inet6_addr_add+0x12f/0xa40 [ 2185.753064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.753064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.753064][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.753064][ T10] netlink_unicast+0x449/0x710 [ 2185.753064][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.753064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.753064][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.753064][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.753064][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.753064][ T10] [ 2185.755278][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2185.755278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2185.755278][ T10] ipv6_find_idev+0x102/0x170 [ 2185.755278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.755278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.755278][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.755278][ T10] netlink_unicast+0x449/0x710 [ 2185.755278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.755278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.755278][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.755278][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.755278][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.755278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.755278][ T10] [ 2185.757025][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2185.757025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2185.757025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2185.757025][ T10] ipv6_find_idev+0x102/0x170 [ 2185.757025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.757025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.757025][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.757025][ T10] netlink_unicast+0x449/0x710 [ 2185.757025][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.757025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.757025][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.757025][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.757025][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.757025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.757025][ T10] [ 2185.758942][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2185.759243][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2185.759243][ T10] netdev_get_by_index+0x5e/0x80 [ 2185.759243][ T10] fib6_nh_init+0x3d8/0x1580 [ 2185.759243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2185.759243][ T10] ip6_route_add+0x1c/0x140 [ 2185.759243][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2185.759243][ T10] inet6_addr_add+0x4f8/0xa40 [ 2185.759243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.759243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.759243][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.759243][ T10] netlink_unicast+0x449/0x710 [ 2185.759243][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.759243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.759243][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.759243][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.759243][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.759243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.759243][ T10] [ 2185.761499][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2185.761499][ T10] netdev_get_by_index+0x5e/0x80 [ 2185.761499][ T10] fib6_nh_init+0x3d8/0x1580 [ 2185.761499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2185.761499][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2185.761499][ T10] ipv6_add_addr+0x411/0x2000 [ 2185.761499][ T10] inet6_addr_add+0x30e/0xa40 [ 2185.761499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.761499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.761499][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.761499][ T10] netlink_unicast+0x449/0x710 [ 2185.761499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.761499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.761499][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.761499][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.761499][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.761499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.761499][ T10] [ 2185.763779][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2185.763779][ T10] netdev_get_by_index+0x5e/0x80 [ 2185.763779][ T10] fib6_nh_init+0x3d8/0x1580 [ 2185.763779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2185.763779][ T10] ip6_route_add+0x1c/0x140 [ 2185.763779][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2185.763779][ T10] addrconf_add_dev+0xe2/0x170 [ 2185.763779][ T10] inet6_addr_add+0x12f/0xa40 [ 2185.763779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2185.763779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.763779][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.763779][ T10] netlink_unicast+0x449/0x710 [ 2185.763779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.763779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.763779][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.763779][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.763779][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.763779][ T10] [ 2185.765995][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2185.765995][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2185.765995][ T10] ipv6_find_idev+0x102/0x170 [ 2185.765995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.765995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.765995][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.765995][ T10] netlink_unicast+0x449/0x710 [ 2185.765995][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.765995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.765995][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.765995][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.765995][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.765995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.765995][ T10] [ 2185.767746][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2185.767746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2185.767746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2185.767746][ T10] ipv6_find_idev+0x102/0x170 [ 2185.767746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2185.767746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.767746][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.767746][ T10] netlink_unicast+0x449/0x710 [ 2185.767746][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.767746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.767746][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.767746][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.767746][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.767746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.767746][ T10] [ 2185.769660][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2185.769935][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2185.769935][ T10] vlan_dev_init+0x97c/0xdd0 [ 2185.769935][ T10] register_netdevice+0x4d3/0x1690 [ 2185.769935][ T10] register_vlan_dev+0x162/0x4a0 [ 2185.769935][ T10] vlan_newlink+0x393/0x610 [ 2185.769935][ T10] rtnl_newlink_create+0x341/0x850 [ 2185.769935][ T10] __rtnl_newlink+0xac9/0xd80 [ 2185.769935][ T10] rtnl_newlink+0x63/0xa0 [ 2185.769935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2185.769935][ T10] netlink_rcv_skb+0x130/0x360 [ 2185.769935][ T10] netlink_unicast+0x449/0x710 [ 2185.769935][ T10] netlink_sendmsg+0x723/0xbe0 [ 2185.769935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2185.769935][ T10] ___sys_sendmsg+0xee/0x170 [ 2185.769935][ T10] __sys_sendmsg+0xcd/0x170 [ 2185.769935][ T10] do_syscall_64+0xc6/0x1e0 [ 2185.769935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2185.769935][ T10] [ 2195.836023][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2195.836528][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2195.836528][ T10] netdev_get_by_index+0x5e/0x80 [ 2195.836528][ T10] fib6_nh_init+0x3d8/0x1580 [ 2195.836528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2195.836528][ T10] ip6_route_add+0x1c/0x140 [ 2195.836528][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2195.836528][ T10] inet6_addr_add+0x4f8/0xa40 [ 2195.836528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.836528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.836528][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.836528][ T10] netlink_unicast+0x449/0x710 [ 2195.836528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.836528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.836528][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.836528][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.836528][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.836528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.836528][ T10] [ 2195.838805][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2195.838805][ T10] netdev_get_by_index+0x5e/0x80 [ 2195.838805][ T10] fib6_nh_init+0x3d8/0x1580 [ 2195.838805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2195.838805][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2195.838805][ T10] ipv6_add_addr+0x411/0x2000 [ 2195.838805][ T10] inet6_addr_add+0x30e/0xa40 [ 2195.838805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.838805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.838805][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.838805][ T10] netlink_unicast+0x449/0x710 [ 2195.838805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.838805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.838805][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.838805][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.838805][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.838805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.838805][ T10] [ 2195.841069][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2195.841069][ T10] netdev_get_by_index+0x5e/0x80 [ 2195.841069][ T10] fib6_nh_init+0x3d8/0x1580 [ 2195.841069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2195.841069][ T10] ip6_route_add+0x1c/0x140 [ 2195.841069][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2195.841069][ T10] addrconf_add_dev+0xe2/0x170 [ 2195.841069][ T10] inet6_addr_add+0x12f/0xa40 [ 2195.841069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.841069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.841069][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.841069][ T10] netlink_unicast+0x449/0x710 [ 2195.841069][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.841069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.841069][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.841069][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.841069][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.841069][ T10] [ 2195.843308][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2195.843308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2195.843308][ T10] ipv6_find_idev+0x102/0x170 [ 2195.843308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.843308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.843308][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.843308][ T10] netlink_unicast+0x449/0x710 [ 2195.843308][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.843308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.843308][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.843308][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.843308][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.843308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.843308][ T10] [ 2195.845051][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2195.845051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2195.845051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2195.845051][ T10] ipv6_find_idev+0x102/0x170 [ 2195.845051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.845051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.845051][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.845051][ T10] netlink_unicast+0x449/0x710 [ 2195.845051][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.845051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.845051][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.845051][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.845051][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.845051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.845051][ T10] [ 2195.846949][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2195.847261][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2195.847261][ T10] netdev_get_by_index+0x5e/0x80 [ 2195.847261][ T10] fib6_nh_init+0x3d8/0x1580 [ 2195.847261][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2195.847261][ T10] ip6_route_add+0x1c/0x140 [ 2195.847261][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2195.847261][ T10] inet6_addr_add+0x4f8/0xa40 [ 2195.847261][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.847261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.847261][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.847261][ T10] netlink_unicast+0x449/0x710 [ 2195.847261][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.847261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.847261][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.847261][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.847261][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.847261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.847261][ T10] [ 2195.849547][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2195.849547][ T10] netdev_get_by_index+0x5e/0x80 [ 2195.849547][ T10] fib6_nh_init+0x3d8/0x1580 [ 2195.849547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2195.849547][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2195.849547][ T10] ipv6_add_addr+0x411/0x2000 [ 2195.849547][ T10] inet6_addr_add+0x30e/0xa40 [ 2195.849547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.849547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.849547][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.849547][ T10] netlink_unicast+0x449/0x710 [ 2195.849547][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.849547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.849547][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.849547][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.849547][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.849547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.849547][ T10] [ 2195.851813][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2195.851813][ T10] netdev_get_by_index+0x5e/0x80 [ 2195.851813][ T10] fib6_nh_init+0x3d8/0x1580 [ 2195.851813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2195.851813][ T10] ip6_route_add+0x1c/0x140 [ 2195.851813][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2195.851813][ T10] addrconf_add_dev+0xe2/0x170 [ 2195.851813][ T10] inet6_addr_add+0x12f/0xa40 [ 2195.851813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.851813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.851813][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.851813][ T10] netlink_unicast+0x449/0x710 [ 2195.851813][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.851813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.851813][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.851813][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.851813][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.851813][ T10] [ 2195.854027][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2195.854027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2195.854027][ T10] ipv6_find_idev+0x102/0x170 [ 2195.854027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.854027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.854027][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.854027][ T10] netlink_unicast+0x449/0x710 [ 2195.854027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.854027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.854027][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.854027][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.854027][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.854027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.854027][ T10] [ 2195.855861][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2195.855861][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2195.855861][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2195.855861][ T10] ipv6_find_idev+0x102/0x170 [ 2195.855861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.855861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.855861][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.855861][ T10] netlink_unicast+0x449/0x710 [ 2195.855861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.855861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.855861][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.855861][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.855861][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.855861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.855861][ T10] [ 2195.858079][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2195.858372][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2195.858372][ T10] vlan_dev_init+0x97c/0xdd0 [ 2195.858372][ T10] register_netdevice+0x4d3/0x1690 [ 2195.858372][ T10] register_vlan_dev+0x162/0x4a0 [ 2195.858372][ T10] vlan_newlink+0x393/0x610 [ 2195.858372][ T10] rtnl_newlink_create+0x341/0x850 [ 2195.858372][ T10] __rtnl_newlink+0xac9/0xd80 [ 2195.858372][ T10] rtnl_newlink+0x63/0xa0 [ 2195.858372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.858372][ T10] netlink_rcv_skb+0x130/0x360 [ 2195.858372][ T10] netlink_unicast+0x449/0x710 [ 2195.858372][ T10] netlink_sendmsg+0x723/0xbe0 [ 2195.858372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2195.858372][ T10] ___sys_sendmsg+0xee/0x170 [ 2195.858372][ T10] __sys_sendmsg+0xcd/0x170 [ 2195.858372][ T10] do_syscall_64+0xc6/0x1e0 [ 2195.858372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.858372][ T10] [ 2206.012087][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2206.012591][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2206.012591][ T10] netdev_get_by_index+0x5e/0x80 [ 2206.012591][ T10] fib6_nh_init+0x3d8/0x1580 [ 2206.012591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2206.012591][ T10] ip6_route_add+0x1c/0x140 [ 2206.012591][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2206.012591][ T10] inet6_addr_add+0x4f8/0xa40 [ 2206.012591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.012591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.012591][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.012591][ T10] netlink_unicast+0x449/0x710 [ 2206.012591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.012591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.012591][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.012591][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.012591][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.012591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.012591][ T10] [ 2206.014871][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2206.014871][ T10] netdev_get_by_index+0x5e/0x80 [ 2206.014871][ T10] fib6_nh_init+0x3d8/0x1580 [ 2206.014871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2206.014871][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2206.014871][ T10] ipv6_add_addr+0x411/0x2000 [ 2206.014871][ T10] inet6_addr_add+0x30e/0xa40 [ 2206.014871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.014871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.014871][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.014871][ T10] netlink_unicast+0x449/0x710 [ 2206.014871][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.014871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.014871][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.014871][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.014871][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.014871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.014871][ T10] [ 2206.017111][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2206.017111][ T10] netdev_get_by_index+0x5e/0x80 [ 2206.017111][ T10] fib6_nh_init+0x3d8/0x1580 [ 2206.017111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2206.017111][ T10] ip6_route_add+0x1c/0x140 [ 2206.017111][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2206.017111][ T10] addrconf_add_dev+0xe2/0x170 [ 2206.017111][ T10] inet6_addr_add+0x12f/0xa40 [ 2206.017111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.017111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.017111][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.017111][ T10] netlink_unicast+0x449/0x710 [ 2206.017111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.017111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.017111][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.017111][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.017111][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.017111][ T10] [ 2206.019334][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2206.019334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2206.019334][ T10] ipv6_find_idev+0x102/0x170 [ 2206.019334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.019334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.019334][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.019334][ T10] netlink_unicast+0x449/0x710 [ 2206.019334][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.019334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.019334][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.019334][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.019334][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.019334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.019334][ T10] [ 2206.021079][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2206.021079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2206.021079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2206.021079][ T10] ipv6_find_idev+0x102/0x170 [ 2206.021079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.021079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.021079][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.021079][ T10] netlink_unicast+0x449/0x710 [ 2206.021079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.021079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.021079][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.021079][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.021079][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.021079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.021079][ T10] [ 2206.023004][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2206.023313][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2206.023313][ T10] netdev_get_by_index+0x5e/0x80 [ 2206.023313][ T10] fib6_nh_init+0x3d8/0x1580 [ 2206.023313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2206.023313][ T10] ip6_route_add+0x1c/0x140 [ 2206.023313][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2206.023313][ T10] inet6_addr_add+0x4f8/0xa40 [ 2206.023313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.023313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.023313][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.023313][ T10] netlink_unicast+0x449/0x710 [ 2206.023313][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.023313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.023313][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.023313][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.023313][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.023313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.023313][ T10] [ 2206.025572][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2206.025572][ T10] netdev_get_by_index+0x5e/0x80 [ 2206.025572][ T10] fib6_nh_init+0x3d8/0x1580 [ 2206.025572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2206.025572][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2206.025572][ T10] ipv6_add_addr+0x411/0x2000 [ 2206.025572][ T10] inet6_addr_add+0x30e/0xa40 [ 2206.025572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.025572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.025572][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.025572][ T10] netlink_unicast+0x449/0x710 [ 2206.025572][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.025572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.025572][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.025572][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.025572][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.025572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.025572][ T10] [ 2206.027821][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2206.027821][ T10] netdev_get_by_index+0x5e/0x80 [ 2206.027821][ T10] fib6_nh_init+0x3d8/0x1580 [ 2206.027821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2206.027821][ T10] ip6_route_add+0x1c/0x140 [ 2206.027821][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2206.027821][ T10] addrconf_add_dev+0xe2/0x170 [ 2206.027821][ T10] inet6_addr_add+0x12f/0xa40 [ 2206.027821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2206.027821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.027821][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.027821][ T10] netlink_unicast+0x449/0x710 [ 2206.027821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.027821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.027821][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.027821][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.027821][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.027821][ T10] [ 2206.030042][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2206.030042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2206.030042][ T10] ipv6_find_idev+0x102/0x170 [ 2206.030042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.030042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.030042][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.030042][ T10] netlink_unicast+0x449/0x710 [ 2206.030042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.030042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.030042][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.030042][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.030042][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.030042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.030042][ T10] [ 2206.031774][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2206.031774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2206.031774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2206.031774][ T10] ipv6_find_idev+0x102/0x170 [ 2206.031774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2206.031774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.031774][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.031774][ T10] netlink_unicast+0x449/0x710 [ 2206.031774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.031774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.031774][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.031774][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.031774][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.031774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.031774][ T10] [ 2206.033672][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2206.033940][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2206.033940][ T10] vlan_dev_init+0x97c/0xdd0 [ 2206.033940][ T10] register_netdevice+0x4d3/0x1690 [ 2206.033940][ T10] register_vlan_dev+0x162/0x4a0 [ 2206.033940][ T10] vlan_newlink+0x393/0x610 [ 2206.033940][ T10] rtnl_newlink_create+0x341/0x850 [ 2206.033940][ T10] __rtnl_newlink+0xac9/0xd80 [ 2206.033940][ T10] rtnl_newlink+0x63/0xa0 [ 2206.033940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2206.033940][ T10] netlink_rcv_skb+0x130/0x360 [ 2206.033940][ T10] netlink_unicast+0x449/0x710 [ 2206.033940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2206.033940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2206.033940][ T10] ___sys_sendmsg+0xee/0x170 [ 2206.033940][ T10] __sys_sendmsg+0xcd/0x170 [ 2206.033940][ T10] do_syscall_64+0xc6/0x1e0 [ 2206.033940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2206.033940][ T10] [ 2216.276010][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2216.276541][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2216.276541][ T10] netdev_get_by_index+0x5e/0x80 [ 2216.276541][ T10] fib6_nh_init+0x3d8/0x1580 [ 2216.276541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2216.276541][ T10] ip6_route_add+0x1c/0x140 [ 2216.276541][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2216.276541][ T10] inet6_addr_add+0x4f8/0xa40 [ 2216.276541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.276541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.276541][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.276541][ T10] netlink_unicast+0x449/0x710 [ 2216.276541][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.276541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.276541][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.276541][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.276541][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.276541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.276541][ T10] [ 2216.279054][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2216.279054][ T10] netdev_get_by_index+0x5e/0x80 [ 2216.279054][ T10] fib6_nh_init+0x3d8/0x1580 [ 2216.279054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2216.279054][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2216.279054][ T10] ipv6_add_addr+0x411/0x2000 [ 2216.279054][ T10] inet6_addr_add+0x30e/0xa40 [ 2216.279054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.279054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.279054][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.279054][ T10] netlink_unicast+0x449/0x710 [ 2216.279054][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.279054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.279054][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.279054][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.279054][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.279054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.279054][ T10] [ 2216.281749][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2216.281749][ T10] netdev_get_by_index+0x5e/0x80 [ 2216.281749][ T10] fib6_nh_init+0x3d8/0x1580 [ 2216.281749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2216.281749][ T10] ip6_route_add+0x1c/0x140 [ 2216.281749][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2216.281749][ T10] addrconf_add_dev+0xe2/0x170 [ 2216.281749][ T10] inet6_addr_add+0x12f/0xa40 [ 2216.281749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.281749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.281749][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.281749][ T10] netlink_unicast+0x449/0x710 [ 2216.281749][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.281749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.281749][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.281749][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.281749][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.281749][ T10] [ 2216.284415][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2216.284415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2216.284415][ T10] ipv6_find_idev+0x102/0x170 [ 2216.284415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.284415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.284415][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.284415][ T10] netlink_unicast+0x449/0x710 [ 2216.284415][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.284415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.284415][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.284415][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.284415][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.284415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.284415][ T10] [ 2216.286504][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2216.286504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2216.286504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2216.286504][ T10] ipv6_find_idev+0x102/0x170 [ 2216.286504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.286504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.286504][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.286504][ T10] netlink_unicast+0x449/0x710 [ 2216.286504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.286504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.286504][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.286504][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.286504][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.286504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.286504][ T10] [ 2216.288782][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2216.289141][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2216.289141][ T10] netdev_get_by_index+0x5e/0x80 [ 2216.289141][ T10] fib6_nh_init+0x3d8/0x1580 [ 2216.289141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2216.289141][ T10] ip6_route_add+0x1c/0x140 [ 2216.289141][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2216.289141][ T10] inet6_addr_add+0x4f8/0xa40 [ 2216.289141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.289141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.289141][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.289141][ T10] netlink_unicast+0x449/0x710 [ 2216.289141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.289141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.289141][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.289141][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.289141][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.289141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.289141][ T10] [ 2216.291825][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2216.291825][ T10] netdev_get_by_index+0x5e/0x80 [ 2216.291825][ T10] fib6_nh_init+0x3d8/0x1580 [ 2216.291825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2216.291825][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2216.291825][ T10] ipv6_add_addr+0x411/0x2000 [ 2216.291825][ T10] inet6_addr_add+0x30e/0xa40 [ 2216.291825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.291825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.291825][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.291825][ T10] netlink_unicast+0x449/0x710 [ 2216.291825][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.291825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.291825][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.291825][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.291825][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.291825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.291825][ T10] [ 2216.294483][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2216.294483][ T10] netdev_get_by_index+0x5e/0x80 [ 2216.294483][ T10] fib6_nh_init+0x3d8/0x1580 [ 2216.294483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2216.294483][ T10] ip6_route_add+0x1c/0x140 [ 2216.294483][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2216.294483][ T10] addrconf_add_dev+0xe2/0x170 [ 2216.294483][ T10] inet6_addr_add+0x12f/0xa40 [ 2216.294483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2216.294483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.294483][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.294483][ T10] netlink_unicast+0x449/0x710 [ 2216.294483][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.294483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.294483][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.294483][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.294483][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.294483][ T10] [ 2216.297125][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2216.297125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2216.297125][ T10] ipv6_find_idev+0x102/0x170 [ 2216.297125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.297125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.297125][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.297125][ T10] netlink_unicast+0x449/0x710 [ 2216.297125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.297125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.297125][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.297125][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.297125][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.297125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.297125][ T10] [ 2216.299194][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2216.299194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2216.299194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2216.299194][ T10] ipv6_find_idev+0x102/0x170 [ 2216.299194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2216.299194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.299194][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.299194][ T10] netlink_unicast+0x449/0x710 [ 2216.299194][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.299194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.299194][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.299194][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.299194][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.299194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.299194][ T10] [ 2216.301453][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2216.301756][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2216.301756][ T10] vlan_dev_init+0x97c/0xdd0 [ 2216.301756][ T10] register_netdevice+0x4d3/0x1690 [ 2216.301756][ T10] register_vlan_dev+0x162/0x4a0 [ 2216.301756][ T10] vlan_newlink+0x393/0x610 [ 2216.301756][ T10] rtnl_newlink_create+0x341/0x850 [ 2216.301756][ T10] __rtnl_newlink+0xac9/0xd80 [ 2216.301756][ T10] rtnl_newlink+0x63/0xa0 [ 2216.301756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2216.301756][ T10] netlink_rcv_skb+0x130/0x360 [ 2216.301756][ T10] netlink_unicast+0x449/0x710 [ 2216.301756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2216.301756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2216.301756][ T10] ___sys_sendmsg+0xee/0x170 [ 2216.301756][ T10] __sys_sendmsg+0xcd/0x170 [ 2216.301756][ T10] do_syscall_64+0xc6/0x1e0 [ 2216.301756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2216.301756][ T10] [ 2226.540006][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2226.540504][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2226.540504][ T10] netdev_get_by_index+0x5e/0x80 [ 2226.540504][ T10] fib6_nh_init+0x3d8/0x1580 [ 2226.540504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2226.540504][ T10] ip6_route_add+0x1c/0x140 [ 2226.540504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2226.540504][ T10] inet6_addr_add+0x4f8/0xa40 [ 2226.540504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.540504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.540504][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.540504][ T10] netlink_unicast+0x449/0x710 [ 2226.540504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.540504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.540504][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.540504][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.540504][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.540504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.540504][ T10] [ 2226.542557][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2226.542557][ T10] netdev_get_by_index+0x5e/0x80 [ 2226.542557][ T10] fib6_nh_init+0x3d8/0x1580 [ 2226.542557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2226.542557][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2226.542557][ T10] ipv6_add_addr+0x411/0x2000 [ 2226.542557][ T10] inet6_addr_add+0x30e/0xa40 [ 2226.542557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.542557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.542557][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.542557][ T10] netlink_unicast+0x449/0x710 [ 2226.542557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.542557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.542557][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.542557][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.542557][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.542557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.542557][ T10] [ 2226.544573][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2226.544573][ T10] netdev_get_by_index+0x5e/0x80 [ 2226.544573][ T10] fib6_nh_init+0x3d8/0x1580 [ 2226.544573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2226.544573][ T10] ip6_route_add+0x1c/0x140 [ 2226.544573][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2226.544573][ T10] addrconf_add_dev+0xe2/0x170 [ 2226.544573][ T10] inet6_addr_add+0x12f/0xa40 [ 2226.544573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.544573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.544573][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.544573][ T10] netlink_unicast+0x449/0x710 [ 2226.544573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.544573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.544573][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.544573][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.544573][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.544573][ T10] [ 2226.546562][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2226.546562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2226.546562][ T10] ipv6_find_idev+0x102/0x170 [ 2226.546562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.546562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.546562][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.546562][ T10] netlink_unicast+0x449/0x710 [ 2226.546562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.546562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.546562][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.546562][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.546562][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.546562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.546562][ T10] [ 2226.548117][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2226.548117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2226.548117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2226.548117][ T10] ipv6_find_idev+0x102/0x170 [ 2226.548117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.548117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.548117][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.548117][ T10] netlink_unicast+0x449/0x710 [ 2226.548117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.548117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.548117][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.548117][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.548117][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.548117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.548117][ T10] [ 2226.549849][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2226.550141][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2226.550141][ T10] netdev_get_by_index+0x5e/0x80 [ 2226.550141][ T10] fib6_nh_init+0x3d8/0x1580 [ 2226.550141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2226.550141][ T10] ip6_route_add+0x1c/0x140 [ 2226.550141][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2226.550141][ T10] inet6_addr_add+0x4f8/0xa40 [ 2226.550141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.550141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.550141][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.550141][ T10] netlink_unicast+0x449/0x710 [ 2226.550141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.550141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.550141][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.550141][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.550141][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.550141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.550141][ T10] [ 2226.552176][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2226.552176][ T10] netdev_get_by_index+0x5e/0x80 [ 2226.552176][ T10] fib6_nh_init+0x3d8/0x1580 [ 2226.552176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2226.552176][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2226.552176][ T10] ipv6_add_addr+0x411/0x2000 [ 2226.552176][ T10] inet6_addr_add+0x30e/0xa40 [ 2226.552176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.552176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.552176][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.552176][ T10] netlink_unicast+0x449/0x710 [ 2226.552176][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.552176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.552176][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.552176][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.552176][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.552176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.552176][ T10] [ 2226.554181][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2226.554181][ T10] netdev_get_by_index+0x5e/0x80 [ 2226.554181][ T10] fib6_nh_init+0x3d8/0x1580 [ 2226.554181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2226.554181][ T10] ip6_route_add+0x1c/0x140 [ 2226.554181][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2226.554181][ T10] addrconf_add_dev+0xe2/0x170 [ 2226.554181][ T10] inet6_addr_add+0x12f/0xa40 [ 2226.554181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2226.554181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.554181][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.554181][ T10] netlink_unicast+0x449/0x710 [ 2226.554181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.554181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.554181][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.554181][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.554181][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.554181][ T10] [ 2226.556177][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2226.556177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2226.556177][ T10] ipv6_find_idev+0x102/0x170 [ 2226.556177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.556177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.556177][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.556177][ T10] netlink_unicast+0x449/0x710 [ 2226.556177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.556177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.556177][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.556177][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.556177][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.556177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.556177][ T10] [ 2226.557733][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2226.557733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2226.557733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2226.557733][ T10] ipv6_find_idev+0x102/0x170 [ 2226.557733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2226.557733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.557733][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.557733][ T10] netlink_unicast+0x449/0x710 [ 2226.557733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.557733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.557733][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.557733][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.557733][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.557733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.557733][ T10] [ 2226.559449][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2226.559714][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2226.559714][ T10] vlan_dev_init+0x97c/0xdd0 [ 2226.559714][ T10] register_netdevice+0x4d3/0x1690 [ 2226.559714][ T10] register_vlan_dev+0x162/0x4a0 [ 2226.559714][ T10] vlan_newlink+0x393/0x610 [ 2226.559714][ T10] rtnl_newlink_create+0x341/0x850 [ 2226.559714][ T10] __rtnl_newlink+0xac9/0xd80 [ 2226.559714][ T10] rtnl_newlink+0x63/0xa0 [ 2226.559714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2226.559714][ T10] netlink_rcv_skb+0x130/0x360 [ 2226.559714][ T10] netlink_unicast+0x449/0x710 [ 2226.559714][ T10] netlink_sendmsg+0x723/0xbe0 [ 2226.559714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2226.559714][ T10] ___sys_sendmsg+0xee/0x170 [ 2226.559714][ T10] __sys_sendmsg+0xcd/0x170 [ 2226.559714][ T10] do_syscall_64+0xc6/0x1e0 [ 2226.559714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2226.559714][ T10] [ 2236.732036][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2236.732495][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2236.732495][ T10] netdev_get_by_index+0x5e/0x80 [ 2236.732495][ T10] fib6_nh_init+0x3d8/0x1580 [ 2236.732495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2236.732495][ T10] ip6_route_add+0x1c/0x140 [ 2236.732495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2236.732495][ T10] inet6_addr_add+0x4f8/0xa40 [ 2236.732495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.732495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.732495][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.732495][ T10] netlink_unicast+0x449/0x710 [ 2236.732495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.732495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.732495][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.732495][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.732495][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.732495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.732495][ T10] [ 2236.734535][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2236.734535][ T10] netdev_get_by_index+0x5e/0x80 [ 2236.734535][ T10] fib6_nh_init+0x3d8/0x1580 [ 2236.734535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2236.734535][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2236.734535][ T10] ipv6_add_addr+0x411/0x2000 [ 2236.734535][ T10] inet6_addr_add+0x30e/0xa40 [ 2236.734535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.734535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.734535][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.734535][ T10] netlink_unicast+0x449/0x710 [ 2236.734535][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.734535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.734535][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.734535][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.734535][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.734535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.734535][ T10] [ 2236.736552][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2236.736552][ T10] netdev_get_by_index+0x5e/0x80 [ 2236.736552][ T10] fib6_nh_init+0x3d8/0x1580 [ 2236.736552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2236.736552][ T10] ip6_route_add+0x1c/0x140 [ 2236.736552][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2236.736552][ T10] addrconf_add_dev+0xe2/0x170 [ 2236.736552][ T10] inet6_addr_add+0x12f/0xa40 [ 2236.736552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.736552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.736552][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.736552][ T10] netlink_unicast+0x449/0x710 [ 2236.736552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.736552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.736552][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.736552][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.736552][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.736552][ T10] [ 2236.738526][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2236.738526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2236.738526][ T10] ipv6_find_idev+0x102/0x170 [ 2236.738526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.738526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.738526][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.738526][ T10] netlink_unicast+0x449/0x710 [ 2236.738526][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.738526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.738526][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.738526][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.738526][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.738526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.738526][ T10] [ 2236.740073][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2236.740073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2236.740073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2236.740073][ T10] ipv6_find_idev+0x102/0x170 [ 2236.740073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.740073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.740073][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.740073][ T10] netlink_unicast+0x449/0x710 [ 2236.740073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.740073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.740073][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.740073][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.740073][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.740073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.740073][ T10] [ 2236.741785][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2236.742100][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2236.742100][ T10] netdev_get_by_index+0x5e/0x80 [ 2236.742100][ T10] fib6_nh_init+0x3d8/0x1580 [ 2236.742100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2236.742100][ T10] ip6_route_add+0x1c/0x140 [ 2236.742100][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2236.742100][ T10] inet6_addr_add+0x4f8/0xa40 [ 2236.742100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.742100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.742100][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.742100][ T10] netlink_unicast+0x449/0x710 [ 2236.742100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.742100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.742100][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.742100][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.742100][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.742100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.742100][ T10] [ 2236.744644][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2236.744644][ T10] netdev_get_by_index+0x5e/0x80 [ 2236.744644][ T10] fib6_nh_init+0x3d8/0x1580 [ 2236.744644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2236.744644][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2236.744644][ T10] ipv6_add_addr+0x411/0x2000 [ 2236.744644][ T10] inet6_addr_add+0x30e/0xa40 [ 2236.744644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.744644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.744644][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.744644][ T10] netlink_unicast+0x449/0x710 [ 2236.744644][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.744644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.744644][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.744644][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.744644][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.744644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.744644][ T10] [ 2236.746655][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2236.746655][ T10] netdev_get_by_index+0x5e/0x80 [ 2236.746655][ T10] fib6_nh_init+0x3d8/0x1580 [ 2236.746655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2236.746655][ T10] ip6_route_add+0x1c/0x140 [ 2236.746655][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2236.746655][ T10] addrconf_add_dev+0xe2/0x170 [ 2236.746655][ T10] inet6_addr_add+0x12f/0xa40 [ 2236.746655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.746655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.746655][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.746655][ T10] netlink_unicast+0x449/0x710 [ 2236.746655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.746655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.746655][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.746655][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.746655][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.746655][ T10] [ 2236.748624][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2236.748624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2236.748624][ T10] ipv6_find_idev+0x102/0x170 [ 2236.748624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.748624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.748624][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.748624][ T10] netlink_unicast+0x449/0x710 [ 2236.748624][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.748624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.748624][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.748624][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.748624][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.748624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.748624][ T10] [ 2236.750175][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2236.750175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2236.750175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2236.750175][ T10] ipv6_find_idev+0x102/0x170 [ 2236.750175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.750175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.750175][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.750175][ T10] netlink_unicast+0x449/0x710 [ 2236.750175][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.750175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.750175][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.750175][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.750175][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.750175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.750175][ T10] [ 2236.751878][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2236.752142][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2236.752142][ T10] vlan_dev_init+0x97c/0xdd0 [ 2236.752142][ T10] register_netdevice+0x4d3/0x1690 [ 2236.752142][ T10] register_vlan_dev+0x162/0x4a0 [ 2236.752142][ T10] vlan_newlink+0x393/0x610 [ 2236.752142][ T10] rtnl_newlink_create+0x341/0x850 [ 2236.752142][ T10] __rtnl_newlink+0xac9/0xd80 [ 2236.752142][ T10] rtnl_newlink+0x63/0xa0 [ 2236.752142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.752142][ T10] netlink_rcv_skb+0x130/0x360 [ 2236.752142][ T10] netlink_unicast+0x449/0x710 [ 2236.752142][ T10] netlink_sendmsg+0x723/0xbe0 [ 2236.752142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2236.752142][ T10] ___sys_sendmsg+0xee/0x170 [ 2236.752142][ T10] __sys_sendmsg+0xcd/0x170 [ 2236.752142][ T10] do_syscall_64+0xc6/0x1e0 [ 2236.752142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.752142][ T10] [ 2246.995937][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2246.996405][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2246.996405][ T10] netdev_get_by_index+0x5e/0x80 [ 2246.996405][ T10] fib6_nh_init+0x3d8/0x1580 [ 2246.996405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2246.996405][ T10] ip6_route_add+0x1c/0x140 [ 2246.996405][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2246.996405][ T10] inet6_addr_add+0x4f8/0xa40 [ 2246.996405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.996405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.996405][ T10] netlink_rcv_skb+0x130/0x360 [ 2246.996405][ T10] netlink_unicast+0x449/0x710 [ 2246.996405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2246.996405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2246.996405][ T10] ___sys_sendmsg+0xee/0x170 [ 2246.996405][ T10] __sys_sendmsg+0xcd/0x170 [ 2246.996405][ T10] do_syscall_64+0xc6/0x1e0 [ 2246.996405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.996405][ T10] [ 2246.998446][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2246.998446][ T10] netdev_get_by_index+0x5e/0x80 [ 2246.998446][ T10] fib6_nh_init+0x3d8/0x1580 [ 2246.998446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2246.998446][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2246.998446][ T10] ipv6_add_addr+0x411/0x2000 [ 2246.998446][ T10] inet6_addr_add+0x30e/0xa40 [ 2246.998446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.998446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.998446][ T10] netlink_rcv_skb+0x130/0x360 [ 2246.998446][ T10] netlink_unicast+0x449/0x710 [ 2246.998446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2246.998446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2246.998446][ T10] ___sys_sendmsg+0xee/0x170 [ 2246.998446][ T10] __sys_sendmsg+0xcd/0x170 [ 2246.998446][ T10] do_syscall_64+0xc6/0x1e0 [ 2246.998446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.998446][ T10] [ 2247.000472][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2247.000472][ T10] netdev_get_by_index+0x5e/0x80 [ 2247.000472][ T10] fib6_nh_init+0x3d8/0x1580 [ 2247.000472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2247.000472][ T10] ip6_route_add+0x1c/0x140 [ 2247.000472][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.000472][ T10] addrconf_add_dev+0xe2/0x170 [ 2247.000472][ T10] inet6_addr_add+0x12f/0xa40 [ 2247.000472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.000472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.000472][ T10] netlink_rcv_skb+0x130/0x360 [ 2247.000472][ T10] netlink_unicast+0x449/0x710 [ 2247.000472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2247.000472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2247.000472][ T10] ___sys_sendmsg+0xee/0x170 [ 2247.000472][ T10] __sys_sendmsg+0xcd/0x170 [ 2247.000472][ T10] do_syscall_64+0xc6/0x1e0 [ 2247.000472][ T10] [ 2247.002478][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2247.002478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2247.002478][ T10] ipv6_find_idev+0x102/0x170 [ 2247.002478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.002478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.002478][ T10] netlink_rcv_skb+0x130/0x360 [ 2247.002478][ T10] netlink_unicast+0x449/0x710 [ 2247.002478][ T10] netlink_sendmsg+0x723/0xbe0 [ 2247.002478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2247.002478][ T10] ___sys_sendmsg+0xee/0x170 [ 2247.002478][ T10] __sys_sendmsg+0xcd/0x170 [ 2247.002478][ T10] do_syscall_64+0xc6/0x1e0 [ 2247.002478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.002478][ T10] [ 2247.004043][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2247.004043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2247.004043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2247.004043][ T10] ipv6_find_idev+0x102/0x170 [ 2247.004043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.004043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.004043][ T10] netlink_rcv_skb+0x130/0x360 [ 2247.004043][ T10] netlink_unicast+0x449/0x710 [ 2247.004043][ T10] netlink_sendmsg+0x723/0xbe0 [ 2247.004043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2247.004043][ T10] ___sys_sendmsg+0xee/0x170 [ 2247.004043][ T10] __sys_sendmsg+0xcd/0x170 [ 2247.004043][ T10] do_syscall_64+0xc6/0x1e0 [ 2247.004043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.004043][ T10] [ 2247.005780][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2247.006080][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2247.006080][ T10] netdev_get_by_index+0x5e/0x80 [ 2247.006080][ T10] fib6_nh_init+0x3d8/0x1580 [ 2247.006080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2247.006080][ T10] ip6_route_add+0x1c/0x140 [ 2247.006080][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2247.006080][ T10] inet6_addr_add+0x4f8/0xa40 [ 2247.006080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.006080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.006080][ T10] netlink_rcv_skb+0x130/0x360 [ 2247.006080][ T10] netlink_unicast+0x449/0x710 [ 2247.006080][ T10] netlink_sendmsg+0x723/0xbe0 [ 2247.006080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2247.006080][ T10] ___sys_sendmsg+0xee/0x170 [ 2247.006080][ T10] __sys_sendmsg+0xcd/0x170 [ 2247.006080][ T10] do_syscall_64+0xc6/0x1e0 [ 2247.006080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.006080][ T10] [ 2247.008102][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2247.008102][ T10] netdev_get_by_index+0x5e/0x80 [ 2247.008102][ T10] fib6_nh_init+0x3d8/0x1580 [ 2247.008102][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2247.008102][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2247.008102][ T10] ipv6_add_addr+0x411/0x2000 [ 2247.008102][ T10] inet6_addr_add+0x30e/0xa40 [ 2247.008102][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.008102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.008102][ T10] netlink_rcv_skb+0x130/0x360 [ 2247.008102][ T10] netlink_unicast+0x449/0x710 [ 2247.008102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2247.008102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2247.008102][ T10] ___sys_sendmsg+0xee/0x170 [ 2247.008102][ T10] __sys_sendmsg+0xcd/0x170 [ 2247.008102][ T10] do_syscall_64+0xc6/0x1e0 [ 2247.008102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.008102][ T10] [ 2247.012205][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2247.012205][ T10] netdev_get_by_index+0x5e/0x80 [ 2247.012205][ T10] fib6_nh_init+0x3d8/0x1580 [ 2247.012205][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2247.012205][ T10] ip6_route_add+0x1c/0x140 [ 2247.012205][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2247.012205][ T10] addrconf_add_dev+0xe2/0x170 [ 2247.012205][ T10] inet6_addr_add+0x12f/0xa40 [ 2247.012205][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2247.012205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.012205][ T10] netlink_rcv_skb+0x130/0x360 [ 2247.012205][ T10] netlink_unicast+0x449/0x710 [ 2247.012205][ T10] netlink_sendmsg+0x723/0xbe0 [ 2247.012205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2247.012205][ T10] ___sys_sendmsg+0xee/0x170 [ 2247.012205][ T10] __sys_sendmsg+0xcd/0x170 [ 2247.012205][ T10] do_syscall_64+0xc6/0x1e0 [ 2247.012205][ T10] [ 2247.014219][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2247.014219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2247.014219][ T10] ipv6_find_idev+0x102/0x170 [ 2247.014219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.014219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.014219][ T10] netlink_rcv_skb+0x130/0x360 [ 2247.014219][ T10] netlink_unicast+0x449/0x710 [ 2247.014219][ T10] netlink_sendmsg+0x723/0xbe0 [ 2247.014219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2247.014219][ T10] ___sys_sendmsg+0xee/0x170 [ 2247.014219][ T10] __sys_sendmsg+0xcd/0x170 [ 2247.014219][ T10] do_syscall_64+0xc6/0x1e0 [ 2247.014219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.014219][ T10] [ 2247.015782][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2247.015782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2247.015782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2247.015782][ T10] ipv6_find_idev+0x102/0x170 [ 2247.015782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2247.015782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.015782][ T10] netlink_rcv_skb+0x130/0x360 [ 2247.015782][ T10] netlink_unicast+0x449/0x710 [ 2247.015782][ T10] netlink_sendmsg+0x723/0xbe0 [ 2247.015782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2247.015782][ T10] ___sys_sendmsg+0xee/0x170 [ 2247.015782][ T10] __sys_sendmsg+0xcd/0x170 [ 2247.015782][ T10] do_syscall_64+0xc6/0x1e0 [ 2247.015782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.015782][ T10] [ 2247.017524][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2247.017773][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2247.017773][ T10] vlan_dev_init+0x97c/0xdd0 [ 2247.017773][ T10] register_netdevice+0x4d3/0x1690 [ 2247.017773][ T10] register_vlan_dev+0x162/0x4a0 [ 2247.017773][ T10] vlan_newlink+0x393/0x610 [ 2247.017773][ T10] rtnl_newlink_create+0x341/0x850 [ 2247.017773][ T10] __rtnl_newlink+0xac9/0xd80 [ 2247.017773][ T10] rtnl_newlink+0x63/0xa0 [ 2247.017773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2247.017773][ T10] netlink_rcv_skb+0x130/0x360 [ 2247.017773][ T10] netlink_unicast+0x449/0x710 [ 2247.017773][ T10] netlink_sendmsg+0x723/0xbe0 [ 2247.017773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2247.017773][ T10] ___sys_sendmsg+0xee/0x170 [ 2247.017773][ T10] __sys_sendmsg+0xcd/0x170 [ 2247.017773][ T10] do_syscall_64+0xc6/0x1e0 [ 2247.017773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2247.017773][ T10] [ 2257.260008][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2257.260520][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2257.260520][ T10] netdev_get_by_index+0x5e/0x80 [ 2257.260520][ T10] fib6_nh_init+0x3d8/0x1580 [ 2257.260520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2257.260520][ T10] ip6_route_add+0x1c/0x140 [ 2257.260520][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2257.260520][ T10] inet6_addr_add+0x4f8/0xa40 [ 2257.260520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.260520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.260520][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.260520][ T10] netlink_unicast+0x449/0x710 [ 2257.260520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.260520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.260520][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.260520][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.260520][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.260520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.260520][ T10] [ 2257.262818][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2257.262818][ T10] netdev_get_by_index+0x5e/0x80 [ 2257.262818][ T10] fib6_nh_init+0x3d8/0x1580 [ 2257.262818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2257.262818][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2257.262818][ T10] ipv6_add_addr+0x411/0x2000 [ 2257.262818][ T10] inet6_addr_add+0x30e/0xa40 [ 2257.262818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.262818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.262818][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.262818][ T10] netlink_unicast+0x449/0x710 [ 2257.262818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.262818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.262818][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.262818][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.262818][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.262818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.262818][ T10] [ 2257.265079][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2257.265079][ T10] netdev_get_by_index+0x5e/0x80 [ 2257.265079][ T10] fib6_nh_init+0x3d8/0x1580 [ 2257.265079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2257.265079][ T10] ip6_route_add+0x1c/0x140 [ 2257.265079][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2257.265079][ T10] addrconf_add_dev+0xe2/0x170 [ 2257.265079][ T10] inet6_addr_add+0x12f/0xa40 [ 2257.265079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.265079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.265079][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.265079][ T10] netlink_unicast+0x449/0x710 [ 2257.265079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.265079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.265079][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.265079][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.265079][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.265079][ T10] [ 2257.267312][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2257.267312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2257.267312][ T10] ipv6_find_idev+0x102/0x170 [ 2257.267312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.267312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.267312][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.267312][ T10] netlink_unicast+0x449/0x710 [ 2257.267312][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.267312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.267312][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.267312][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.267312][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.267312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.267312][ T10] [ 2257.269052][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2257.269052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2257.269052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2257.269052][ T10] ipv6_find_idev+0x102/0x170 [ 2257.269052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.269052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.269052][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.269052][ T10] netlink_unicast+0x449/0x710 [ 2257.269052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.269052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.269052][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.269052][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.269052][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.269052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.269052][ T10] [ 2257.271625][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2257.271932][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2257.271932][ T10] netdev_get_by_index+0x5e/0x80 [ 2257.271932][ T10] fib6_nh_init+0x3d8/0x1580 [ 2257.271932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2257.271932][ T10] ip6_route_add+0x1c/0x140 [ 2257.271932][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2257.271932][ T10] inet6_addr_add+0x4f8/0xa40 [ 2257.271932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.271932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.271932][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.271932][ T10] netlink_unicast+0x449/0x710 [ 2257.271932][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.271932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.271932][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.271932][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.271932][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.271932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.271932][ T10] [ 2257.274196][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2257.274196][ T10] netdev_get_by_index+0x5e/0x80 [ 2257.274196][ T10] fib6_nh_init+0x3d8/0x1580 [ 2257.274196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2257.274196][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2257.274196][ T10] ipv6_add_addr+0x411/0x2000 [ 2257.274196][ T10] inet6_addr_add+0x30e/0xa40 [ 2257.274196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.274196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.274196][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.274196][ T10] netlink_unicast+0x449/0x710 [ 2257.274196][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.274196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.274196][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.274196][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.274196][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.274196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.274196][ T10] [ 2257.276450][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2257.276450][ T10] netdev_get_by_index+0x5e/0x80 [ 2257.276450][ T10] fib6_nh_init+0x3d8/0x1580 [ 2257.276450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2257.276450][ T10] ip6_route_add+0x1c/0x140 [ 2257.276450][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2257.276450][ T10] addrconf_add_dev+0xe2/0x170 [ 2257.276450][ T10] inet6_addr_add+0x12f/0xa40 [ 2257.276450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2257.276450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.276450][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.276450][ T10] netlink_unicast+0x449/0x710 [ 2257.276450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.276450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.276450][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.276450][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.276450][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.276450][ T10] [ 2257.278661][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2257.278661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2257.278661][ T10] ipv6_find_idev+0x102/0x170 [ 2257.278661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.278661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.278661][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.278661][ T10] netlink_unicast+0x449/0x710 [ 2257.278661][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.278661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.278661][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.278661][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.278661][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.278661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.278661][ T10] [ 2257.280402][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2257.280402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2257.280402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2257.280402][ T10] ipv6_find_idev+0x102/0x170 [ 2257.280402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2257.280402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.280402][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.280402][ T10] netlink_unicast+0x449/0x710 [ 2257.280402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.280402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.280402][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.280402][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.280402][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.280402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.280402][ T10] [ 2257.282327][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2257.282607][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2257.282607][ T10] vlan_dev_init+0x97c/0xdd0 [ 2257.282607][ T10] register_netdevice+0x4d3/0x1690 [ 2257.282607][ T10] register_vlan_dev+0x162/0x4a0 [ 2257.282607][ T10] vlan_newlink+0x393/0x610 [ 2257.282607][ T10] rtnl_newlink_create+0x341/0x850 [ 2257.282607][ T10] __rtnl_newlink+0xac9/0xd80 [ 2257.282607][ T10] rtnl_newlink+0x63/0xa0 [ 2257.282607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2257.282607][ T10] netlink_rcv_skb+0x130/0x360 [ 2257.282607][ T10] netlink_unicast+0x449/0x710 [ 2257.282607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2257.282607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2257.282607][ T10] ___sys_sendmsg+0xee/0x170 [ 2257.282607][ T10] __sys_sendmsg+0xcd/0x170 [ 2257.282607][ T10] do_syscall_64+0xc6/0x1e0 [ 2257.282607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2257.282607][ T10] [ 2267.508006][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2267.508533][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2267.508533][ T10] netdev_get_by_index+0x5e/0x80 [ 2267.508533][ T10] fib6_nh_init+0x3d8/0x1580 [ 2267.508533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2267.508533][ T10] ip6_route_add+0x1c/0x140 [ 2267.508533][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2267.508533][ T10] inet6_addr_add+0x4f8/0xa40 [ 2267.508533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.508533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.508533][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.508533][ T10] netlink_unicast+0x449/0x710 [ 2267.508533][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.508533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.508533][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.508533][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.508533][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.508533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.508533][ T10] [ 2267.510842][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2267.510842][ T10] netdev_get_by_index+0x5e/0x80 [ 2267.510842][ T10] fib6_nh_init+0x3d8/0x1580 [ 2267.510842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2267.510842][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2267.510842][ T10] ipv6_add_addr+0x411/0x2000 [ 2267.510842][ T10] inet6_addr_add+0x30e/0xa40 [ 2267.510842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.510842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.510842][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.510842][ T10] netlink_unicast+0x449/0x710 [ 2267.510842][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.510842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.510842][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.510842][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.510842][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.510842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.510842][ T10] [ 2267.513111][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2267.513111][ T10] netdev_get_by_index+0x5e/0x80 [ 2267.513111][ T10] fib6_nh_init+0x3d8/0x1580 [ 2267.513111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2267.513111][ T10] ip6_route_add+0x1c/0x140 [ 2267.513111][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2267.513111][ T10] addrconf_add_dev+0xe2/0x170 [ 2267.513111][ T10] inet6_addr_add+0x12f/0xa40 [ 2267.513111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.513111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.513111][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.513111][ T10] netlink_unicast+0x449/0x710 [ 2267.513111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.513111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.513111][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.513111][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.513111][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.513111][ T10] [ 2267.515323][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2267.515323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2267.515323][ T10] ipv6_find_idev+0x102/0x170 [ 2267.515323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.515323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.515323][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.515323][ T10] netlink_unicast+0x449/0x710 [ 2267.515323][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.515323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.515323][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.515323][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.515323][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.515323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.515323][ T10] [ 2267.517067][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2267.517067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2267.517067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2267.517067][ T10] ipv6_find_idev+0x102/0x170 [ 2267.517067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.517067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.517067][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.517067][ T10] netlink_unicast+0x449/0x710 [ 2267.517067][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.517067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.517067][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.517067][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.517067][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.517067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.517067][ T10] [ 2267.518995][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2267.519310][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2267.519310][ T10] netdev_get_by_index+0x5e/0x80 [ 2267.519310][ T10] fib6_nh_init+0x3d8/0x1580 [ 2267.519310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2267.519310][ T10] ip6_route_add+0x1c/0x140 [ 2267.519310][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2267.519310][ T10] inet6_addr_add+0x4f8/0xa40 [ 2267.519310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.519310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.519310][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.519310][ T10] netlink_unicast+0x449/0x710 [ 2267.519310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.519310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.519310][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.519310][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.519310][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.519310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.519310][ T10] [ 2267.521582][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2267.521582][ T10] netdev_get_by_index+0x5e/0x80 [ 2267.521582][ T10] fib6_nh_init+0x3d8/0x1580 [ 2267.521582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2267.521582][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2267.521582][ T10] ipv6_add_addr+0x411/0x2000 [ 2267.521582][ T10] inet6_addr_add+0x30e/0xa40 [ 2267.521582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.521582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.521582][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.521582][ T10] netlink_unicast+0x449/0x710 [ 2267.521582][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.521582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.521582][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.521582][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.521582][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.521582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.521582][ T10] [ 2267.523840][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2267.523840][ T10] netdev_get_by_index+0x5e/0x80 [ 2267.523840][ T10] fib6_nh_init+0x3d8/0x1580 [ 2267.523840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2267.523840][ T10] ip6_route_add+0x1c/0x140 [ 2267.523840][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2267.523840][ T10] addrconf_add_dev+0xe2/0x170 [ 2267.523840][ T10] inet6_addr_add+0x12f/0xa40 [ 2267.523840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2267.523840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.523840][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.523840][ T10] netlink_unicast+0x449/0x710 [ 2267.523840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.523840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.523840][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.523840][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.523840][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.523840][ T10] [ 2267.526071][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2267.526071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2267.526071][ T10] ipv6_find_idev+0x102/0x170 [ 2267.526071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.526071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.526071][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.526071][ T10] netlink_unicast+0x449/0x710 [ 2267.526071][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.526071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.526071][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.526071][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.526071][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.526071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.526071][ T10] [ 2267.527821][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2267.527821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2267.527821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2267.527821][ T10] ipv6_find_idev+0x102/0x170 [ 2267.527821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2267.527821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.527821][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.527821][ T10] netlink_unicast+0x449/0x710 [ 2267.527821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.527821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.527821][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.527821][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.527821][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.527821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.527821][ T10] [ 2267.529736][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2267.530015][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2267.530015][ T10] vlan_dev_init+0x97c/0xdd0 [ 2267.530015][ T10] register_netdevice+0x4d3/0x1690 [ 2267.530015][ T10] register_vlan_dev+0x162/0x4a0 [ 2267.530015][ T10] vlan_newlink+0x393/0x610 [ 2267.530015][ T10] rtnl_newlink_create+0x341/0x850 [ 2267.530015][ T10] __rtnl_newlink+0xac9/0xd80 [ 2267.530015][ T10] rtnl_newlink+0x63/0xa0 [ 2267.530015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2267.530015][ T10] netlink_rcv_skb+0x130/0x360 [ 2267.530015][ T10] netlink_unicast+0x449/0x710 [ 2267.530015][ T10] netlink_sendmsg+0x723/0xbe0 [ 2267.530015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2267.530015][ T10] ___sys_sendmsg+0xee/0x170 [ 2267.530015][ T10] __sys_sendmsg+0xcd/0x170 [ 2267.530015][ T10] do_syscall_64+0xc6/0x1e0 [ 2267.530015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2267.530015][ T10] [ 2277.771942][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2277.772450][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2277.772450][ T10] netdev_get_by_index+0x5e/0x80 [ 2277.772450][ T10] fib6_nh_init+0x3d8/0x1580 [ 2277.772450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2277.772450][ T10] ip6_route_add+0x1c/0x140 [ 2277.772450][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2277.772450][ T10] inet6_addr_add+0x4f8/0xa40 [ 2277.772450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.772450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.772450][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.772450][ T10] netlink_unicast+0x449/0x710 [ 2277.772450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.772450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.772450][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.772450][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.772450][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.772450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.772450][ T10] [ 2277.774760][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2277.774760][ T10] netdev_get_by_index+0x5e/0x80 [ 2277.774760][ T10] fib6_nh_init+0x3d8/0x1580 [ 2277.774760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2277.774760][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2277.774760][ T10] ipv6_add_addr+0x411/0x2000 [ 2277.774760][ T10] inet6_addr_add+0x30e/0xa40 [ 2277.774760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.774760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.774760][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.774760][ T10] netlink_unicast+0x449/0x710 [ 2277.774760][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.774760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.774760][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.774760][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.774760][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.774760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.774760][ T10] [ 2277.777050][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2277.777050][ T10] netdev_get_by_index+0x5e/0x80 [ 2277.777050][ T10] fib6_nh_init+0x3d8/0x1580 [ 2277.777050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2277.777050][ T10] ip6_route_add+0x1c/0x140 [ 2277.777050][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2277.777050][ T10] addrconf_add_dev+0xe2/0x170 [ 2277.777050][ T10] inet6_addr_add+0x12f/0xa40 [ 2277.777050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.777050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.777050][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.777050][ T10] netlink_unicast+0x449/0x710 [ 2277.777050][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.777050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.777050][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.777050][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.777050][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.777050][ T10] [ 2277.779276][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2277.779276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2277.779276][ T10] ipv6_find_idev+0x102/0x170 [ 2277.779276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2277.779276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.779276][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.779276][ T10] netlink_unicast+0x449/0x710 [ 2277.779276][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.779276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.779276][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.779276][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.779276][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.779276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.779276][ T10] [ 2277.781023][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2277.781023][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2277.781023][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2277.781023][ T10] ipv6_find_idev+0x102/0x170 [ 2277.781023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2277.781023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.781023][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.781023][ T10] netlink_unicast+0x449/0x710 [ 2277.781023][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.781023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.781023][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.781023][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.781023][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.781023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.781023][ T10] [ 2277.782952][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2277.783254][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2277.783254][ T10] netdev_get_by_index+0x5e/0x80 [ 2277.783254][ T10] fib6_nh_init+0x3d8/0x1580 [ 2277.783254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2277.783254][ T10] ip6_route_add+0x1c/0x140 [ 2277.783254][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2277.783254][ T10] inet6_addr_add+0x4f8/0xa40 [ 2277.783254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.783254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.783254][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.783254][ T10] netlink_unicast+0x449/0x710 [ 2277.783254][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.783254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.783254][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.783254][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.783254][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.783254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.783254][ T10] [ 2277.785531][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2277.785531][ T10] netdev_get_by_index+0x5e/0x80 [ 2277.785531][ T10] fib6_nh_init+0x3d8/0x1580 [ 2277.785531][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2277.785531][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2277.785531][ T10] ipv6_add_addr+0x411/0x2000 [ 2277.785531][ T10] inet6_addr_add+0x30e/0xa40 [ 2277.785531][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.785531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.785531][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.785531][ T10] netlink_unicast+0x449/0x710 [ 2277.785531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.785531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.785531][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.785531][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.785531][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.785531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.785531][ T10] [ 2277.787802][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2277.787802][ T10] netdev_get_by_index+0x5e/0x80 [ 2277.787802][ T10] fib6_nh_init+0x3d8/0x1580 [ 2277.787802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2277.787802][ T10] ip6_route_add+0x1c/0x140 [ 2277.787802][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2277.787802][ T10] addrconf_add_dev+0xe2/0x170 [ 2277.787802][ T10] inet6_addr_add+0x12f/0xa40 [ 2277.787802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2277.787802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.787802][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.787802][ T10] netlink_unicast+0x449/0x710 [ 2277.787802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.787802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.787802][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.787802][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.787802][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.787802][ T10] [ 2277.790039][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2277.790039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2277.790039][ T10] ipv6_find_idev+0x102/0x170 [ 2277.790039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2277.790039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.790039][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.790039][ T10] netlink_unicast+0x449/0x710 [ 2277.790039][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.790039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.790039][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.790039][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.790039][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.790039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.790039][ T10] [ 2277.791805][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2277.791805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2277.791805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2277.791805][ T10] ipv6_find_idev+0x102/0x170 [ 2277.791805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2277.791805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.791805][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.791805][ T10] netlink_unicast+0x449/0x710 [ 2277.791805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.791805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.791805][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.791805][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.791805][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.791805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.791805][ T10] [ 2277.793718][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2277.793998][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2277.793998][ T10] vlan_dev_init+0x97c/0xdd0 [ 2277.793998][ T10] register_netdevice+0x4d3/0x1690 [ 2277.793998][ T10] register_vlan_dev+0x162/0x4a0 [ 2277.793998][ T10] vlan_newlink+0x393/0x610 [ 2277.793998][ T10] rtnl_newlink_create+0x341/0x850 [ 2277.793998][ T10] __rtnl_newlink+0xac9/0xd80 [ 2277.793998][ T10] rtnl_newlink+0x63/0xa0 [ 2277.793998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2277.793998][ T10] netlink_rcv_skb+0x130/0x360 [ 2277.793998][ T10] netlink_unicast+0x449/0x710 [ 2277.793998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2277.793998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2277.793998][ T10] ___sys_sendmsg+0xee/0x170 [ 2277.793998][ T10] __sys_sendmsg+0xcd/0x170 [ 2277.793998][ T10] do_syscall_64+0xc6/0x1e0 [ 2277.793998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2277.793998][ T10] [ 2287.917293][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2287.917784][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2287.917784][ T10] netdev_get_by_index+0x5e/0x80 [ 2287.917784][ T10] fib6_nh_init+0x3d8/0x1580 [ 2287.917784][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2287.917784][ T10] ip6_route_add+0x1c/0x140 [ 2287.917784][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2287.917784][ T10] inet6_addr_add+0x4f8/0xa40 [ 2287.917784][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.917784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.917784][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.917784][ T10] netlink_unicast+0x449/0x710 [ 2287.917784][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.917784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.917784][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.917784][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.917784][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.917784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.917784][ T10] [ 2287.919863][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2287.919863][ T10] netdev_get_by_index+0x5e/0x80 [ 2287.919863][ T10] fib6_nh_init+0x3d8/0x1580 [ 2287.919863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2287.919863][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2287.919863][ T10] ipv6_add_addr+0x411/0x2000 [ 2287.919863][ T10] inet6_addr_add+0x30e/0xa40 [ 2287.919863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.919863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.919863][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.919863][ T10] netlink_unicast+0x449/0x710 [ 2287.919863][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.919863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.919863][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.919863][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.919863][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.919863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.919863][ T10] [ 2287.921926][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2287.921926][ T10] netdev_get_by_index+0x5e/0x80 [ 2287.921926][ T10] fib6_nh_init+0x3d8/0x1580 [ 2287.921926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2287.921926][ T10] ip6_route_add+0x1c/0x140 [ 2287.921926][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2287.921926][ T10] addrconf_add_dev+0xe2/0x170 [ 2287.921926][ T10] inet6_addr_add+0x12f/0xa40 [ 2287.921926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.921926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.921926][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.921926][ T10] netlink_unicast+0x449/0x710 [ 2287.921926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.921926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.921926][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.921926][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.921926][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.921926][ T10] [ 2287.923947][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2287.923947][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2287.923947][ T10] ipv6_find_idev+0x102/0x170 [ 2287.923947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.923947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.923947][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.923947][ T10] netlink_unicast+0x449/0x710 [ 2287.923947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.923947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.923947][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.923947][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.923947][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.923947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.923947][ T10] [ 2287.925533][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2287.925533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2287.925533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2287.925533][ T10] ipv6_find_idev+0x102/0x170 [ 2287.925533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.925533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.925533][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.925533][ T10] netlink_unicast+0x449/0x710 [ 2287.925533][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.925533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.925533][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.925533][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.925533][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.925533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.925533][ T10] [ 2287.927292][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2287.927580][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2287.927580][ T10] netdev_get_by_index+0x5e/0x80 [ 2287.927580][ T10] fib6_nh_init+0x3d8/0x1580 [ 2287.927580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2287.927580][ T10] ip6_route_add+0x1c/0x140 [ 2287.927580][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2287.927580][ T10] inet6_addr_add+0x4f8/0xa40 [ 2287.927580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.927580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.927580][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.927580][ T10] netlink_unicast+0x449/0x710 [ 2287.927580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.927580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.927580][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.927580][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.927580][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.927580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.927580][ T10] [ 2287.929617][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2287.929617][ T10] netdev_get_by_index+0x5e/0x80 [ 2287.929617][ T10] fib6_nh_init+0x3d8/0x1580 [ 2287.929617][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2287.929617][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2287.929617][ T10] ipv6_add_addr+0x411/0x2000 [ 2287.929617][ T10] inet6_addr_add+0x30e/0xa40 [ 2287.929617][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.929617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.929617][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.929617][ T10] netlink_unicast+0x449/0x710 [ 2287.929617][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.929617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.929617][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.929617][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.929617][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.929617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.929617][ T10] [ 2287.931647][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2287.931647][ T10] netdev_get_by_index+0x5e/0x80 [ 2287.931647][ T10] fib6_nh_init+0x3d8/0x1580 [ 2287.931647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2287.931647][ T10] ip6_route_add+0x1c/0x140 [ 2287.931647][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2287.931647][ T10] addrconf_add_dev+0xe2/0x170 [ 2287.931647][ T10] inet6_addr_add+0x12f/0xa40 [ 2287.931647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.931647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.931647][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.931647][ T10] netlink_unicast+0x449/0x710 [ 2287.931647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.931647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.931647][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.931647][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.931647][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.931647][ T10] [ 2287.933641][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2287.933641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2287.933641][ T10] ipv6_find_idev+0x102/0x170 [ 2287.933641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.933641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.933641][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.933641][ T10] netlink_unicast+0x449/0x710 [ 2287.933641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.933641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.933641][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.933641][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.933641][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.933641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.933641][ T10] [ 2287.935204][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2287.935204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2287.935204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2287.935204][ T10] ipv6_find_idev+0x102/0x170 [ 2287.935204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.935204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.935204][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.935204][ T10] netlink_unicast+0x449/0x710 [ 2287.935204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.935204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.935204][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.935204][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.935204][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.935204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.935204][ T10] [ 2287.936916][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2287.937165][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2287.937165][ T10] vlan_dev_init+0x97c/0xdd0 [ 2287.937165][ T10] register_netdevice+0x4d3/0x1690 [ 2287.937165][ T10] register_vlan_dev+0x162/0x4a0 [ 2287.937165][ T10] vlan_newlink+0x393/0x610 [ 2287.937165][ T10] rtnl_newlink_create+0x341/0x850 [ 2287.937165][ T10] __rtnl_newlink+0xac9/0xd80 [ 2287.937165][ T10] rtnl_newlink+0x63/0xa0 [ 2287.937165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.937165][ T10] netlink_rcv_skb+0x130/0x360 [ 2287.937165][ T10] netlink_unicast+0x449/0x710 [ 2287.937165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2287.937165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2287.937165][ T10] ___sys_sendmsg+0xee/0x170 [ 2287.937165][ T10] __sys_sendmsg+0xcd/0x170 [ 2287.937165][ T10] do_syscall_64+0xc6/0x1e0 [ 2287.937165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.937165][ T10] [ 2298.188014][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2298.188521][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2298.188521][ T10] netdev_get_by_index+0x5e/0x80 [ 2298.188521][ T10] fib6_nh_init+0x3d8/0x1580 [ 2298.188521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2298.188521][ T10] ip6_route_add+0x1c/0x140 [ 2298.188521][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2298.188521][ T10] inet6_addr_add+0x4f8/0xa40 [ 2298.188521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.188521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.188521][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.188521][ T10] netlink_unicast+0x449/0x710 [ 2298.188521][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.188521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.188521][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.188521][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.188521][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.188521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.188521][ T10] [ 2298.190804][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2298.190804][ T10] netdev_get_by_index+0x5e/0x80 [ 2298.190804][ T10] fib6_nh_init+0x3d8/0x1580 [ 2298.190804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2298.190804][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2298.190804][ T10] ipv6_add_addr+0x411/0x2000 [ 2298.190804][ T10] inet6_addr_add+0x30e/0xa40 [ 2298.190804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.190804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.190804][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.190804][ T10] netlink_unicast+0x449/0x710 [ 2298.190804][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.190804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.190804][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.190804][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.190804][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.190804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.190804][ T10] [ 2298.193086][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2298.193086][ T10] netdev_get_by_index+0x5e/0x80 [ 2298.193086][ T10] fib6_nh_init+0x3d8/0x1580 [ 2298.193086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2298.193086][ T10] ip6_route_add+0x1c/0x140 [ 2298.193086][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2298.193086][ T10] addrconf_add_dev+0xe2/0x170 [ 2298.193086][ T10] inet6_addr_add+0x12f/0xa40 [ 2298.193086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.193086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.193086][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.193086][ T10] netlink_unicast+0x449/0x710 [ 2298.193086][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.193086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.193086][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.193086][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.193086][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.193086][ T10] [ 2298.195322][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2298.195322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2298.195322][ T10] ipv6_find_idev+0x102/0x170 [ 2298.195322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.195322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.195322][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.195322][ T10] netlink_unicast+0x449/0x710 [ 2298.195322][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.195322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.195322][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.195322][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.195322][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.195322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.195322][ T10] [ 2298.197078][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2298.197078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2298.197078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2298.197078][ T10] ipv6_find_idev+0x102/0x170 [ 2298.197078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.197078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.197078][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.197078][ T10] netlink_unicast+0x449/0x710 [ 2298.197078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.197078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.197078][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.197078][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.197078][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.197078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.197078][ T10] [ 2298.198998][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2298.199305][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2298.199305][ T10] netdev_get_by_index+0x5e/0x80 [ 2298.199305][ T10] fib6_nh_init+0x3d8/0x1580 [ 2298.199305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2298.199305][ T10] ip6_route_add+0x1c/0x140 [ 2298.199305][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2298.199305][ T10] inet6_addr_add+0x4f8/0xa40 [ 2298.199305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.199305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.199305][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.199305][ T10] netlink_unicast+0x449/0x710 [ 2298.199305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.199305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.199305][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.199305][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.199305][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.199305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.199305][ T10] [ 2298.201598][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2298.201598][ T10] netdev_get_by_index+0x5e/0x80 [ 2298.201598][ T10] fib6_nh_init+0x3d8/0x1580 [ 2298.201598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2298.201598][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2298.201598][ T10] ipv6_add_addr+0x411/0x2000 [ 2298.201598][ T10] inet6_addr_add+0x30e/0xa40 [ 2298.201598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.201598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.201598][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.201598][ T10] netlink_unicast+0x449/0x710 [ 2298.201598][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.201598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.201598][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.201598][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.201598][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.201598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.201598][ T10] [ 2298.203862][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2298.203862][ T10] netdev_get_by_index+0x5e/0x80 [ 2298.203862][ T10] fib6_nh_init+0x3d8/0x1580 [ 2298.203862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2298.203862][ T10] ip6_route_add+0x1c/0x140 [ 2298.203862][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2298.203862][ T10] addrconf_add_dev+0xe2/0x170 [ 2298.203862][ T10] inet6_addr_add+0x12f/0xa40 [ 2298.203862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2298.203862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.203862][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.203862][ T10] netlink_unicast+0x449/0x710 [ 2298.203862][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.203862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.203862][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.203862][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.203862][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.203862][ T10] [ 2298.206097][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2298.206097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2298.206097][ T10] ipv6_find_idev+0x102/0x170 [ 2298.206097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.206097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.206097][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.206097][ T10] netlink_unicast+0x449/0x710 [ 2298.206097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.206097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.206097][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.206097][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.206097][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.206097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.206097][ T10] [ 2298.207845][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2298.207845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2298.207845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2298.207845][ T10] ipv6_find_idev+0x102/0x170 [ 2298.207845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2298.207845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.207845][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.207845][ T10] netlink_unicast+0x449/0x710 [ 2298.207845][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.207845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.207845][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.207845][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.207845][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.207845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.207845][ T10] [ 2298.209766][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2298.210044][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2298.210044][ T10] vlan_dev_init+0x97c/0xdd0 [ 2298.210044][ T10] register_netdevice+0x4d3/0x1690 [ 2298.210044][ T10] register_vlan_dev+0x162/0x4a0 [ 2298.210044][ T10] vlan_newlink+0x393/0x610 [ 2298.210044][ T10] rtnl_newlink_create+0x341/0x850 [ 2298.210044][ T10] __rtnl_newlink+0xac9/0xd80 [ 2298.210044][ T10] rtnl_newlink+0x63/0xa0 [ 2298.210044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2298.210044][ T10] netlink_rcv_skb+0x130/0x360 [ 2298.210044][ T10] netlink_unicast+0x449/0x710 [ 2298.210044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2298.210044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2298.210044][ T10] ___sys_sendmsg+0xee/0x170 [ 2298.210044][ T10] __sys_sendmsg+0xcd/0x170 [ 2298.210044][ T10] do_syscall_64+0xc6/0x1e0 [ 2298.210044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2298.210044][ T10] [ 2308.460001][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2308.460495][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2308.460495][ T10] netdev_get_by_index+0x5e/0x80 [ 2308.460495][ T10] fib6_nh_init+0x3d8/0x1580 [ 2308.460495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2308.460495][ T10] ip6_route_add+0x1c/0x140 [ 2308.460495][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2308.460495][ T10] inet6_addr_add+0x4f8/0xa40 [ 2308.460495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.460495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.460495][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.460495][ T10] netlink_unicast+0x449/0x710 [ 2308.460495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.460495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.460495][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.460495][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.460495][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.460495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.460495][ T10] [ 2308.462833][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2308.462833][ T10] netdev_get_by_index+0x5e/0x80 [ 2308.462833][ T10] fib6_nh_init+0x3d8/0x1580 [ 2308.462833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2308.462833][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2308.462833][ T10] ipv6_add_addr+0x411/0x2000 [ 2308.462833][ T10] inet6_addr_add+0x30e/0xa40 [ 2308.462833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.462833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.462833][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.462833][ T10] netlink_unicast+0x449/0x710 [ 2308.462833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.462833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.462833][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.462833][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.462833][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.462833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.462833][ T10] [ 2308.465095][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2308.465095][ T10] netdev_get_by_index+0x5e/0x80 [ 2308.465095][ T10] fib6_nh_init+0x3d8/0x1580 [ 2308.465095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2308.465095][ T10] ip6_route_add+0x1c/0x140 [ 2308.465095][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2308.465095][ T10] addrconf_add_dev+0xe2/0x170 [ 2308.465095][ T10] inet6_addr_add+0x12f/0xa40 [ 2308.465095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.465095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.465095][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.465095][ T10] netlink_unicast+0x449/0x710 [ 2308.465095][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.465095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.465095][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.465095][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.465095][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.465095][ T10] [ 2308.467340][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2308.467340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2308.467340][ T10] ipv6_find_idev+0x102/0x170 [ 2308.467340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.467340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.467340][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.467340][ T10] netlink_unicast+0x449/0x710 [ 2308.467340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.467340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.467340][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.467340][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.467340][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.467340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.467340][ T10] [ 2308.469103][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2308.469103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2308.469103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2308.469103][ T10] ipv6_find_idev+0x102/0x170 [ 2308.469103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.469103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.469103][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.469103][ T10] netlink_unicast+0x449/0x710 [ 2308.469103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.469103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.469103][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.469103][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.469103][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.469103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.469103][ T10] [ 2308.471009][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2308.471335][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2308.471335][ T10] netdev_get_by_index+0x5e/0x80 [ 2308.471335][ T10] fib6_nh_init+0x3d8/0x1580 [ 2308.471335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2308.471335][ T10] ip6_route_add+0x1c/0x140 [ 2308.471335][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2308.471335][ T10] inet6_addr_add+0x4f8/0xa40 [ 2308.471335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.471335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.471335][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.471335][ T10] netlink_unicast+0x449/0x710 [ 2308.471335][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.471335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.471335][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.471335][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.471335][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.471335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.471335][ T10] [ 2308.473612][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2308.473612][ T10] netdev_get_by_index+0x5e/0x80 [ 2308.473612][ T10] fib6_nh_init+0x3d8/0x1580 [ 2308.473612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2308.473612][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2308.473612][ T10] ipv6_add_addr+0x411/0x2000 [ 2308.473612][ T10] inet6_addr_add+0x30e/0xa40 [ 2308.473612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.473612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.473612][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.473612][ T10] netlink_unicast+0x449/0x710 [ 2308.473612][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.473612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.473612][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.473612][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.473612][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.473612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.473612][ T10] [ 2308.475886][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2308.475886][ T10] netdev_get_by_index+0x5e/0x80 [ 2308.475886][ T10] fib6_nh_init+0x3d8/0x1580 [ 2308.475886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2308.475886][ T10] ip6_route_add+0x1c/0x140 [ 2308.475886][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2308.475886][ T10] addrconf_add_dev+0xe2/0x170 [ 2308.475886][ T10] inet6_addr_add+0x12f/0xa40 [ 2308.475886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2308.475886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.475886][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.475886][ T10] netlink_unicast+0x449/0x710 [ 2308.475886][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.475886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.475886][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.475886][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.475886][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.475886][ T10] [ 2308.478110][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2308.478110][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2308.478110][ T10] ipv6_find_idev+0x102/0x170 [ 2308.478110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.478110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.478110][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.478110][ T10] netlink_unicast+0x449/0x710 [ 2308.478110][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.478110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.478110][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.478110][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.478110][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.478110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.478110][ T10] [ 2308.479856][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2308.479856][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2308.479856][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2308.479856][ T10] ipv6_find_idev+0x102/0x170 [ 2308.479856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2308.479856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.479856][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.479856][ T10] netlink_unicast+0x449/0x710 [ 2308.479856][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.479856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.479856][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.479856][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.479856][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.479856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.479856][ T10] [ 2308.481762][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2308.482050][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2308.482050][ T10] vlan_dev_init+0x97c/0xdd0 [ 2308.482050][ T10] register_netdevice+0x4d3/0x1690 [ 2308.482050][ T10] register_vlan_dev+0x162/0x4a0 [ 2308.482050][ T10] vlan_newlink+0x393/0x610 [ 2308.482050][ T10] rtnl_newlink_create+0x341/0x850 [ 2308.482050][ T10] __rtnl_newlink+0xac9/0xd80 [ 2308.482050][ T10] rtnl_newlink+0x63/0xa0 [ 2308.482050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2308.482050][ T10] netlink_rcv_skb+0x130/0x360 [ 2308.482050][ T10] netlink_unicast+0x449/0x710 [ 2308.482050][ T10] netlink_sendmsg+0x723/0xbe0 [ 2308.482050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2308.482050][ T10] ___sys_sendmsg+0xee/0x170 [ 2308.482050][ T10] __sys_sendmsg+0xcd/0x170 [ 2308.482050][ T10] do_syscall_64+0xc6/0x1e0 [ 2308.482050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2308.482050][ T10] [ 2318.731939][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2318.732412][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2318.732412][ T10] netdev_get_by_index+0x5e/0x80 [ 2318.732412][ T10] fib6_nh_init+0x3d8/0x1580 [ 2318.732412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2318.732412][ T10] ip6_route_add+0x1c/0x140 [ 2318.732412][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2318.732412][ T10] inet6_addr_add+0x4f8/0xa40 [ 2318.732412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.732412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.732412][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.732412][ T10] netlink_unicast+0x449/0x710 [ 2318.732412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.732412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.732412][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.732412][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.732412][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.732412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.732412][ T10] [ 2318.734692][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2318.734692][ T10] netdev_get_by_index+0x5e/0x80 [ 2318.734692][ T10] fib6_nh_init+0x3d8/0x1580 [ 2318.734692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2318.734692][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2318.734692][ T10] ipv6_add_addr+0x411/0x2000 [ 2318.734692][ T10] inet6_addr_add+0x30e/0xa40 [ 2318.734692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.734692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.734692][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.734692][ T10] netlink_unicast+0x449/0x710 [ 2318.734692][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.734692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.734692][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.734692][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.734692][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.734692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.734692][ T10] [ 2318.736976][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2318.736976][ T10] netdev_get_by_index+0x5e/0x80 [ 2318.736976][ T10] fib6_nh_init+0x3d8/0x1580 [ 2318.736976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2318.736976][ T10] ip6_route_add+0x1c/0x140 [ 2318.736976][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2318.736976][ T10] addrconf_add_dev+0xe2/0x170 [ 2318.736976][ T10] inet6_addr_add+0x12f/0xa40 [ 2318.736976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.736976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.736976][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.736976][ T10] netlink_unicast+0x449/0x710 [ 2318.736976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.736976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.736976][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.736976][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.736976][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.736976][ T10] [ 2318.739205][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2318.739205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2318.739205][ T10] ipv6_find_idev+0x102/0x170 [ 2318.739205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.739205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.739205][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.739205][ T10] netlink_unicast+0x449/0x710 [ 2318.739205][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.739205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.739205][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.739205][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.739205][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.739205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.739205][ T10] [ 2318.740958][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2318.740958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2318.740958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2318.740958][ T10] ipv6_find_idev+0x102/0x170 [ 2318.740958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.740958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.740958][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.740958][ T10] netlink_unicast+0x449/0x710 [ 2318.740958][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.740958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.740958][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.740958][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.740958][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.740958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.740958][ T10] [ 2318.742906][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2318.743201][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2318.743201][ T10] netdev_get_by_index+0x5e/0x80 [ 2318.743201][ T10] fib6_nh_init+0x3d8/0x1580 [ 2318.743201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2318.743201][ T10] ip6_route_add+0x1c/0x140 [ 2318.743201][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2318.743201][ T10] inet6_addr_add+0x4f8/0xa40 [ 2318.743201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.743201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.743201][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.743201][ T10] netlink_unicast+0x449/0x710 [ 2318.743201][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.743201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.743201][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.743201][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.743201][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.743201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.743201][ T10] [ 2318.745476][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2318.745476][ T10] netdev_get_by_index+0x5e/0x80 [ 2318.745476][ T10] fib6_nh_init+0x3d8/0x1580 [ 2318.745476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2318.745476][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2318.745476][ T10] ipv6_add_addr+0x411/0x2000 [ 2318.745476][ T10] inet6_addr_add+0x30e/0xa40 [ 2318.745476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.745476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.745476][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.745476][ T10] netlink_unicast+0x449/0x710 [ 2318.745476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.745476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.745476][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.745476][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.745476][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.745476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.745476][ T10] [ 2318.747733][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2318.747733][ T10] netdev_get_by_index+0x5e/0x80 [ 2318.747733][ T10] fib6_nh_init+0x3d8/0x1580 [ 2318.747733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2318.747733][ T10] ip6_route_add+0x1c/0x140 [ 2318.747733][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2318.747733][ T10] addrconf_add_dev+0xe2/0x170 [ 2318.747733][ T10] inet6_addr_add+0x12f/0xa40 [ 2318.747733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2318.747733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.747733][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.747733][ T10] netlink_unicast+0x449/0x710 [ 2318.747733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.747733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.747733][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.747733][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.747733][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.747733][ T10] [ 2318.749939][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2318.749939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2318.749939][ T10] ipv6_find_idev+0x102/0x170 [ 2318.749939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.749939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.749939][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.749939][ T10] netlink_unicast+0x449/0x710 [ 2318.749939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.749939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.749939][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.749939][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.749939][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.749939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.749939][ T10] [ 2318.751672][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2318.751672][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2318.751672][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2318.751672][ T10] ipv6_find_idev+0x102/0x170 [ 2318.751672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2318.751672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.751672][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.751672][ T10] netlink_unicast+0x449/0x710 [ 2318.751672][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.751672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.751672][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.751672][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.751672][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.751672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.751672][ T10] [ 2318.753562][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2318.753832][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2318.753832][ T10] vlan_dev_init+0x97c/0xdd0 [ 2318.753832][ T10] register_netdevice+0x4d3/0x1690 [ 2318.753832][ T10] register_vlan_dev+0x162/0x4a0 [ 2318.753832][ T10] vlan_newlink+0x393/0x610 [ 2318.753832][ T10] rtnl_newlink_create+0x341/0x850 [ 2318.753832][ T10] __rtnl_newlink+0xac9/0xd80 [ 2318.753832][ T10] rtnl_newlink+0x63/0xa0 [ 2318.753832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2318.753832][ T10] netlink_rcv_skb+0x130/0x360 [ 2318.753832][ T10] netlink_unicast+0x449/0x710 [ 2318.753832][ T10] netlink_sendmsg+0x723/0xbe0 [ 2318.753832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2318.753832][ T10] ___sys_sendmsg+0xee/0x170 [ 2318.753832][ T10] __sys_sendmsg+0xcd/0x170 [ 2318.753832][ T10] do_syscall_64+0xc6/0x1e0 [ 2318.753832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2318.753832][ T10] [ 2329.005339][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2329.005823][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2329.005823][ T10] netdev_get_by_index+0x5e/0x80 [ 2329.005823][ T10] fib6_nh_init+0x3d8/0x1580 [ 2329.005823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2329.005823][ T10] ip6_route_add+0x1c/0x140 [ 2329.005823][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2329.005823][ T10] inet6_addr_add+0x4f8/0xa40 [ 2329.005823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.005823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.005823][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.005823][ T10] netlink_unicast+0x449/0x710 [ 2329.005823][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.005823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.005823][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.005823][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.005823][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.005823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.005823][ T10] [ 2329.007875][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2329.007875][ T10] netdev_get_by_index+0x5e/0x80 [ 2329.007875][ T10] fib6_nh_init+0x3d8/0x1580 [ 2329.007875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2329.007875][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2329.007875][ T10] ipv6_add_addr+0x411/0x2000 [ 2329.007875][ T10] inet6_addr_add+0x30e/0xa40 [ 2329.007875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.007875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.007875][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.007875][ T10] netlink_unicast+0x449/0x710 [ 2329.007875][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.007875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.007875][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.007875][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.007875][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.007875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.007875][ T10] [ 2329.009912][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2329.009912][ T10] netdev_get_by_index+0x5e/0x80 [ 2329.009912][ T10] fib6_nh_init+0x3d8/0x1580 [ 2329.009912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2329.009912][ T10] ip6_route_add+0x1c/0x140 [ 2329.009912][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.009912][ T10] addrconf_add_dev+0xe2/0x170 [ 2329.009912][ T10] inet6_addr_add+0x12f/0xa40 [ 2329.009912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.009912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.009912][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.009912][ T10] netlink_unicast+0x449/0x710 [ 2329.009912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.009912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.009912][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.009912][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.009912][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.009912][ T10] [ 2329.011904][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2329.011904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2329.011904][ T10] ipv6_find_idev+0x102/0x170 [ 2329.011904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.011904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.011904][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.011904][ T10] netlink_unicast+0x449/0x710 [ 2329.011904][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.011904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.011904][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.011904][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.011904][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.011904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.011904][ T10] [ 2329.013473][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2329.013473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2329.013473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2329.013473][ T10] ipv6_find_idev+0x102/0x170 [ 2329.013473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.013473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.013473][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.013473][ T10] netlink_unicast+0x449/0x710 [ 2329.013473][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.013473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.013473][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.013473][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.013473][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.013473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.013473][ T10] [ 2329.015195][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2329.015471][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2329.015471][ T10] netdev_get_by_index+0x5e/0x80 [ 2329.015471][ T10] fib6_nh_init+0x3d8/0x1580 [ 2329.015471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2329.015471][ T10] ip6_route_add+0x1c/0x140 [ 2329.015471][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2329.015471][ T10] inet6_addr_add+0x4f8/0xa40 [ 2329.015471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.015471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.015471][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.015471][ T10] netlink_unicast+0x449/0x710 [ 2329.015471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.015471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.015471][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.015471][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.015471][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.015471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.015471][ T10] [ 2329.017485][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2329.017485][ T10] netdev_get_by_index+0x5e/0x80 [ 2329.017485][ T10] fib6_nh_init+0x3d8/0x1580 [ 2329.017485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2329.017485][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2329.017485][ T10] ipv6_add_addr+0x411/0x2000 [ 2329.017485][ T10] inet6_addr_add+0x30e/0xa40 [ 2329.017485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.017485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.017485][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.017485][ T10] netlink_unicast+0x449/0x710 [ 2329.017485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.017485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.017485][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.017485][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.017485][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.017485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.017485][ T10] [ 2329.019589][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2329.019589][ T10] netdev_get_by_index+0x5e/0x80 [ 2329.019589][ T10] fib6_nh_init+0x3d8/0x1580 [ 2329.019589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2329.019589][ T10] ip6_route_add+0x1c/0x140 [ 2329.019589][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.019589][ T10] addrconf_add_dev+0xe2/0x170 [ 2329.019589][ T10] inet6_addr_add+0x12f/0xa40 [ 2329.019589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.019589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.019589][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.019589][ T10] netlink_unicast+0x449/0x710 [ 2329.019589][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.019589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.019589][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.019589][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.019589][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.019589][ T10] [ 2329.021582][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2329.021582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2329.021582][ T10] ipv6_find_idev+0x102/0x170 [ 2329.021582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.021582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.021582][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.021582][ T10] netlink_unicast+0x449/0x710 [ 2329.021582][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.021582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.021582][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.021582][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.021582][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.021582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.021582][ T10] [ 2329.023126][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2329.023126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2329.023126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2329.023126][ T10] ipv6_find_idev+0x102/0x170 [ 2329.023126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.023126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.023126][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.023126][ T10] netlink_unicast+0x449/0x710 [ 2329.023126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.023126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.023126][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.023126][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.023126][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.023126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.023126][ T10] [ 2329.024838][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2329.025127][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2329.025127][ T10] vlan_dev_init+0x97c/0xdd0 [ 2329.025127][ T10] register_netdevice+0x4d3/0x1690 [ 2329.025127][ T10] register_vlan_dev+0x162/0x4a0 [ 2329.025127][ T10] vlan_newlink+0x393/0x610 [ 2329.025127][ T10] rtnl_newlink_create+0x341/0x850 [ 2329.025127][ T10] __rtnl_newlink+0xac9/0xd80 [ 2329.025127][ T10] rtnl_newlink+0x63/0xa0 [ 2329.025127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.025127][ T10] netlink_rcv_skb+0x130/0x360 [ 2329.025127][ T10] netlink_unicast+0x449/0x710 [ 2329.025127][ T10] netlink_sendmsg+0x723/0xbe0 [ 2329.025127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2329.025127][ T10] ___sys_sendmsg+0xee/0x170 [ 2329.025127][ T10] __sys_sendmsg+0xcd/0x170 [ 2329.025127][ T10] do_syscall_64+0xc6/0x1e0 [ 2329.025127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.025127][ T10] [ 2339.132008][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2339.132529][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2339.132529][ T10] netdev_get_by_index+0x5e/0x80 [ 2339.132529][ T10] fib6_nh_init+0x3d8/0x1580 [ 2339.132529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2339.132529][ T10] ip6_route_add+0x1c/0x140 [ 2339.132529][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2339.132529][ T10] inet6_addr_add+0x4f8/0xa40 [ 2339.132529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.132529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.132529][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.132529][ T10] netlink_unicast+0x449/0x710 [ 2339.132529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.132529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.132529][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.132529][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.132529][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.132529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.132529][ T10] [ 2339.135095][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2339.135095][ T10] netdev_get_by_index+0x5e/0x80 [ 2339.135095][ T10] fib6_nh_init+0x3d8/0x1580 [ 2339.135095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2339.135095][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2339.135095][ T10] ipv6_add_addr+0x411/0x2000 [ 2339.135095][ T10] inet6_addr_add+0x30e/0xa40 [ 2339.135095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.135095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.135095][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.135095][ T10] netlink_unicast+0x449/0x710 [ 2339.135095][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.135095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.135095][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.135095][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.135095][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.135095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.135095][ T10] [ 2339.137355][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2339.137355][ T10] netdev_get_by_index+0x5e/0x80 [ 2339.137355][ T10] fib6_nh_init+0x3d8/0x1580 [ 2339.137355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2339.137355][ T10] ip6_route_add+0x1c/0x140 [ 2339.137355][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2339.137355][ T10] addrconf_add_dev+0xe2/0x170 [ 2339.137355][ T10] inet6_addr_add+0x12f/0xa40 [ 2339.137355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.137355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.137355][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.137355][ T10] netlink_unicast+0x449/0x710 [ 2339.137355][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.137355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.137355][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.137355][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.137355][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.137355][ T10] [ 2339.139570][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2339.139570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2339.139570][ T10] ipv6_find_idev+0x102/0x170 [ 2339.139570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.139570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.139570][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.139570][ T10] netlink_unicast+0x449/0x710 [ 2339.139570][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.139570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.139570][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.139570][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.139570][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.139570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.139570][ T10] [ 2339.141309][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2339.141309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2339.141309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2339.141309][ T10] ipv6_find_idev+0x102/0x170 [ 2339.141309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.141309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.141309][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.141309][ T10] netlink_unicast+0x449/0x710 [ 2339.141309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.141309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.141309][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.141309][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.141309][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.141309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.141309][ T10] [ 2339.143235][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2339.143539][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2339.143539][ T10] netdev_get_by_index+0x5e/0x80 [ 2339.143539][ T10] fib6_nh_init+0x3d8/0x1580 [ 2339.143539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2339.143539][ T10] ip6_route_add+0x1c/0x140 [ 2339.143539][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2339.143539][ T10] inet6_addr_add+0x4f8/0xa40 [ 2339.143539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.143539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.143539][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.143539][ T10] netlink_unicast+0x449/0x710 [ 2339.143539][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.143539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.143539][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.143539][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.143539][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.143539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.143539][ T10] [ 2339.145793][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2339.145793][ T10] netdev_get_by_index+0x5e/0x80 [ 2339.145793][ T10] fib6_nh_init+0x3d8/0x1580 [ 2339.145793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2339.145793][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2339.145793][ T10] ipv6_add_addr+0x411/0x2000 [ 2339.145793][ T10] inet6_addr_add+0x30e/0xa40 [ 2339.145793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.145793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.145793][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.145793][ T10] netlink_unicast+0x449/0x710 [ 2339.145793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.145793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.145793][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.145793][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.145793][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.145793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.145793][ T10] [ 2339.150040][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2339.150040][ T10] netdev_get_by_index+0x5e/0x80 [ 2339.150040][ T10] fib6_nh_init+0x3d8/0x1580 [ 2339.150040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2339.150040][ T10] ip6_route_add+0x1c/0x140 [ 2339.150040][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2339.150040][ T10] addrconf_add_dev+0xe2/0x170 [ 2339.150040][ T10] inet6_addr_add+0x12f/0xa40 [ 2339.150040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.150040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.150040][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.150040][ T10] netlink_unicast+0x449/0x710 [ 2339.150040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.150040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.150040][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.150040][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.150040][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.150040][ T10] [ 2339.152299][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2339.152299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2339.152299][ T10] ipv6_find_idev+0x102/0x170 [ 2339.152299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.152299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.152299][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.152299][ T10] netlink_unicast+0x449/0x710 [ 2339.152299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.152299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.152299][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.152299][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.152299][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.152299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.152299][ T10] [ 2339.154160][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2339.154160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2339.154160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2339.154160][ T10] ipv6_find_idev+0x102/0x170 [ 2339.154160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.154160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.154160][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.154160][ T10] netlink_unicast+0x449/0x710 [ 2339.154160][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.154160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.154160][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.154160][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.154160][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.154160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.154160][ T10] [ 2339.157941][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2339.158224][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2339.158224][ T10] vlan_dev_init+0x97c/0xdd0 [ 2339.158224][ T10] register_netdevice+0x4d3/0x1690 [ 2339.158224][ T10] register_vlan_dev+0x162/0x4a0 [ 2339.158224][ T10] vlan_newlink+0x393/0x610 [ 2339.158224][ T10] rtnl_newlink_create+0x341/0x850 [ 2339.158224][ T10] __rtnl_newlink+0xac9/0xd80 [ 2339.158224][ T10] rtnl_newlink+0x63/0xa0 [ 2339.158224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.158224][ T10] netlink_rcv_skb+0x130/0x360 [ 2339.158224][ T10] netlink_unicast+0x449/0x710 [ 2339.158224][ T10] netlink_sendmsg+0x723/0xbe0 [ 2339.158224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2339.158224][ T10] ___sys_sendmsg+0xee/0x170 [ 2339.158224][ T10] __sys_sendmsg+0xcd/0x170 [ 2339.158224][ T10] do_syscall_64+0xc6/0x1e0 [ 2339.158224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.158224][ T10] [ 2349.396022][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2349.396561][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2349.396561][ T10] netdev_get_by_index+0x5e/0x80 [ 2349.396561][ T10] fib6_nh_init+0x3d8/0x1580 [ 2349.396561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2349.396561][ T10] ip6_route_add+0x1c/0x140 [ 2349.396561][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2349.396561][ T10] inet6_addr_add+0x4f8/0xa40 [ 2349.396561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.396561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.396561][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.396561][ T10] netlink_unicast+0x449/0x710 [ 2349.396561][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.396561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.396561][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.396561][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.396561][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.396561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.396561][ T10] [ 2349.398843][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2349.398843][ T10] netdev_get_by_index+0x5e/0x80 [ 2349.398843][ T10] fib6_nh_init+0x3d8/0x1580 [ 2349.398843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2349.398843][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2349.398843][ T10] ipv6_add_addr+0x411/0x2000 [ 2349.398843][ T10] inet6_addr_add+0x30e/0xa40 [ 2349.398843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.398843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.398843][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.398843][ T10] netlink_unicast+0x449/0x710 [ 2349.398843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.398843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.398843][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.398843][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.398843][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.398843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.398843][ T10] [ 2349.401112][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2349.401112][ T10] netdev_get_by_index+0x5e/0x80 [ 2349.401112][ T10] fib6_nh_init+0x3d8/0x1580 [ 2349.401112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2349.401112][ T10] ip6_route_add+0x1c/0x140 [ 2349.401112][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2349.401112][ T10] addrconf_add_dev+0xe2/0x170 [ 2349.401112][ T10] inet6_addr_add+0x12f/0xa40 [ 2349.401112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.401112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.401112][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.401112][ T10] netlink_unicast+0x449/0x710 [ 2349.401112][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.401112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.401112][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.401112][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.401112][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.401112][ T10] [ 2349.403409][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2349.403409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2349.403409][ T10] ipv6_find_idev+0x102/0x170 [ 2349.403409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.403409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.403409][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.403409][ T10] netlink_unicast+0x449/0x710 [ 2349.403409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.403409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.403409][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.403409][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.403409][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.403409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.403409][ T10] [ 2349.405172][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2349.405172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2349.405172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2349.405172][ T10] ipv6_find_idev+0x102/0x170 [ 2349.405172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.405172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.405172][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.405172][ T10] netlink_unicast+0x449/0x710 [ 2349.405172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.405172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.405172][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.405172][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.405172][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.405172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.405172][ T10] [ 2349.407102][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2349.407405][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2349.407405][ T10] netdev_get_by_index+0x5e/0x80 [ 2349.407405][ T10] fib6_nh_init+0x3d8/0x1580 [ 2349.407405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2349.407405][ T10] ip6_route_add+0x1c/0x140 [ 2349.407405][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2349.407405][ T10] inet6_addr_add+0x4f8/0xa40 [ 2349.407405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.407405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.407405][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.407405][ T10] netlink_unicast+0x449/0x710 [ 2349.407405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.407405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.407405][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.407405][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.407405][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.407405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.407405][ T10] [ 2349.409685][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2349.409685][ T10] netdev_get_by_index+0x5e/0x80 [ 2349.409685][ T10] fib6_nh_init+0x3d8/0x1580 [ 2349.409685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2349.409685][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2349.409685][ T10] ipv6_add_addr+0x411/0x2000 [ 2349.409685][ T10] inet6_addr_add+0x30e/0xa40 [ 2349.409685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.409685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.409685][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.409685][ T10] netlink_unicast+0x449/0x710 [ 2349.409685][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.409685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.409685][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.409685][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.409685][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.409685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.409685][ T10] [ 2349.411988][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2349.411988][ T10] netdev_get_by_index+0x5e/0x80 [ 2349.411988][ T10] fib6_nh_init+0x3d8/0x1580 [ 2349.411988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2349.411988][ T10] ip6_route_add+0x1c/0x140 [ 2349.411988][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2349.411988][ T10] addrconf_add_dev+0xe2/0x170 [ 2349.411988][ T10] inet6_addr_add+0x12f/0xa40 [ 2349.411988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2349.411988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.411988][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.411988][ T10] netlink_unicast+0x449/0x710 [ 2349.411988][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.411988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.411988][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.411988][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.411988][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.411988][ T10] [ 2349.414242][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2349.414242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2349.414242][ T10] ipv6_find_idev+0x102/0x170 [ 2349.414242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.414242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.414242][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.414242][ T10] netlink_unicast+0x449/0x710 [ 2349.414242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.414242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.414242][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.414242][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.414242][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.414242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.414242][ T10] [ 2349.416020][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2349.416020][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2349.416020][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2349.416020][ T10] ipv6_find_idev+0x102/0x170 [ 2349.416020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2349.416020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.416020][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.416020][ T10] netlink_unicast+0x449/0x710 [ 2349.416020][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.416020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.416020][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.416020][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.416020][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.416020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.416020][ T10] [ 2349.417932][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2349.418215][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2349.418215][ T10] vlan_dev_init+0x97c/0xdd0 [ 2349.418215][ T10] register_netdevice+0x4d3/0x1690 [ 2349.418215][ T10] register_vlan_dev+0x162/0x4a0 [ 2349.418215][ T10] vlan_newlink+0x393/0x610 [ 2349.418215][ T10] rtnl_newlink_create+0x341/0x850 [ 2349.418215][ T10] __rtnl_newlink+0xac9/0xd80 [ 2349.418215][ T10] rtnl_newlink+0x63/0xa0 [ 2349.418215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2349.418215][ T10] netlink_rcv_skb+0x130/0x360 [ 2349.418215][ T10] netlink_unicast+0x449/0x710 [ 2349.418215][ T10] netlink_sendmsg+0x723/0xbe0 [ 2349.418215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2349.418215][ T10] ___sys_sendmsg+0xee/0x170 [ 2349.418215][ T10] __sys_sendmsg+0xcd/0x170 [ 2349.418215][ T10] do_syscall_64+0xc6/0x1e0 [ 2349.418215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2349.418215][ T10] [ 2359.660004][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2359.660511][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2359.660511][ T10] netdev_get_by_index+0x5e/0x80 [ 2359.660511][ T10] fib6_nh_init+0x3d8/0x1580 [ 2359.660511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2359.660511][ T10] ip6_route_add+0x1c/0x140 [ 2359.660511][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2359.660511][ T10] inet6_addr_add+0x4f8/0xa40 [ 2359.660511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.660511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.660511][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.660511][ T10] netlink_unicast+0x449/0x710 [ 2359.660511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.660511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.660511][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.660511][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.660511][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.660511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.660511][ T10] [ 2359.662840][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2359.662840][ T10] netdev_get_by_index+0x5e/0x80 [ 2359.662840][ T10] fib6_nh_init+0x3d8/0x1580 [ 2359.662840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2359.662840][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2359.662840][ T10] ipv6_add_addr+0x411/0x2000 [ 2359.662840][ T10] inet6_addr_add+0x30e/0xa40 [ 2359.662840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.662840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.662840][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.662840][ T10] netlink_unicast+0x449/0x710 [ 2359.662840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.662840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.662840][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.662840][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.662840][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.662840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.662840][ T10] [ 2359.665133][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2359.665133][ T10] netdev_get_by_index+0x5e/0x80 [ 2359.665133][ T10] fib6_nh_init+0x3d8/0x1580 [ 2359.665133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2359.665133][ T10] ip6_route_add+0x1c/0x140 [ 2359.665133][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2359.665133][ T10] addrconf_add_dev+0xe2/0x170 [ 2359.665133][ T10] inet6_addr_add+0x12f/0xa40 [ 2359.665133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.665133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.665133][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.665133][ T10] netlink_unicast+0x449/0x710 [ 2359.665133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.665133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.665133][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.665133][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.665133][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.665133][ T10] [ 2359.667370][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2359.667370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2359.667370][ T10] ipv6_find_idev+0x102/0x170 [ 2359.667370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.667370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.667370][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.667370][ T10] netlink_unicast+0x449/0x710 [ 2359.667370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.667370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.667370][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.667370][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.667370][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.667370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.667370][ T10] [ 2359.669129][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2359.669129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2359.669129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2359.669129][ T10] ipv6_find_idev+0x102/0x170 [ 2359.669129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.669129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.669129][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.669129][ T10] netlink_unicast+0x449/0x710 [ 2359.669129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.669129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.669129][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.669129][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.669129][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.669129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.669129][ T10] [ 2359.671059][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2359.671375][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2359.671375][ T10] netdev_get_by_index+0x5e/0x80 [ 2359.671375][ T10] fib6_nh_init+0x3d8/0x1580 [ 2359.671375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2359.671375][ T10] ip6_route_add+0x1c/0x140 [ 2359.671375][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2359.671375][ T10] inet6_addr_add+0x4f8/0xa40 [ 2359.671375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.671375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.671375][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.671375][ T10] netlink_unicast+0x449/0x710 [ 2359.671375][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.671375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.671375][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.671375][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.671375][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.671375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.671375][ T10] [ 2359.673645][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2359.673645][ T10] netdev_get_by_index+0x5e/0x80 [ 2359.673645][ T10] fib6_nh_init+0x3d8/0x1580 [ 2359.673645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2359.673645][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2359.673645][ T10] ipv6_add_addr+0x411/0x2000 [ 2359.673645][ T10] inet6_addr_add+0x30e/0xa40 [ 2359.673645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.673645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.673645][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.673645][ T10] netlink_unicast+0x449/0x710 [ 2359.673645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.673645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.673645][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.673645][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.673645][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.673645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.673645][ T10] [ 2359.675899][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2359.675899][ T10] netdev_get_by_index+0x5e/0x80 [ 2359.675899][ T10] fib6_nh_init+0x3d8/0x1580 [ 2359.675899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2359.675899][ T10] ip6_route_add+0x1c/0x140 [ 2359.675899][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2359.675899][ T10] addrconf_add_dev+0xe2/0x170 [ 2359.675899][ T10] inet6_addr_add+0x12f/0xa40 [ 2359.675899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2359.675899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.675899][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.675899][ T10] netlink_unicast+0x449/0x710 [ 2359.675899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.675899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.675899][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.675899][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.675899][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.675899][ T10] [ 2359.678133][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2359.678133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2359.678133][ T10] ipv6_find_idev+0x102/0x170 [ 2359.678133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.678133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.678133][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.678133][ T10] netlink_unicast+0x449/0x710 [ 2359.678133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.678133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.678133][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.678133][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.678133][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.678133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.678133][ T10] [ 2359.679886][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2359.679886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2359.679886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2359.679886][ T10] ipv6_find_idev+0x102/0x170 [ 2359.679886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2359.679886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.679886][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.679886][ T10] netlink_unicast+0x449/0x710 [ 2359.679886][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.679886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.679886][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.679886][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.679886][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.679886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.679886][ T10] [ 2359.681827][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2359.682105][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2359.682105][ T10] vlan_dev_init+0x97c/0xdd0 [ 2359.682105][ T10] register_netdevice+0x4d3/0x1690 [ 2359.682105][ T10] register_vlan_dev+0x162/0x4a0 [ 2359.682105][ T10] vlan_newlink+0x393/0x610 [ 2359.682105][ T10] rtnl_newlink_create+0x341/0x850 [ 2359.682105][ T10] __rtnl_newlink+0xac9/0xd80 [ 2359.682105][ T10] rtnl_newlink+0x63/0xa0 [ 2359.682105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2359.682105][ T10] netlink_rcv_skb+0x130/0x360 [ 2359.682105][ T10] netlink_unicast+0x449/0x710 [ 2359.682105][ T10] netlink_sendmsg+0x723/0xbe0 [ 2359.682105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2359.682105][ T10] ___sys_sendmsg+0xee/0x170 [ 2359.682105][ T10] __sys_sendmsg+0xcd/0x170 [ 2359.682105][ T10] do_syscall_64+0xc6/0x1e0 [ 2359.682105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2359.682105][ T10] [ 2369.924045][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2369.924563][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2369.924563][ T10] netdev_get_by_index+0x5e/0x80 [ 2369.924563][ T10] fib6_nh_init+0x3d8/0x1580 [ 2369.924563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2369.924563][ T10] ip6_route_add+0x1c/0x140 [ 2369.924563][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2369.924563][ T10] inet6_addr_add+0x4f8/0xa40 [ 2369.924563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.924563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.924563][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.924563][ T10] netlink_unicast+0x449/0x710 [ 2369.924563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.924563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.924563][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.924563][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.924563][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.924563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.924563][ T10] [ 2369.926877][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2369.926877][ T10] netdev_get_by_index+0x5e/0x80 [ 2369.926877][ T10] fib6_nh_init+0x3d8/0x1580 [ 2369.926877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2369.926877][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2369.926877][ T10] ipv6_add_addr+0x411/0x2000 [ 2369.926877][ T10] inet6_addr_add+0x30e/0xa40 [ 2369.926877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.926877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.926877][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.926877][ T10] netlink_unicast+0x449/0x710 [ 2369.926877][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.926877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.926877][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.926877][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.926877][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.926877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.926877][ T10] [ 2369.929160][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2369.929160][ T10] netdev_get_by_index+0x5e/0x80 [ 2369.929160][ T10] fib6_nh_init+0x3d8/0x1580 [ 2369.929160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2369.929160][ T10] ip6_route_add+0x1c/0x140 [ 2369.929160][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2369.929160][ T10] addrconf_add_dev+0xe2/0x170 [ 2369.929160][ T10] inet6_addr_add+0x12f/0xa40 [ 2369.929160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.929160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.929160][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.929160][ T10] netlink_unicast+0x449/0x710 [ 2369.929160][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.929160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.929160][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.929160][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.929160][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.929160][ T10] [ 2369.931396][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2369.931396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2369.931396][ T10] ipv6_find_idev+0x102/0x170 [ 2369.931396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.931396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.931396][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.931396][ T10] netlink_unicast+0x449/0x710 [ 2369.931396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.931396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.931396][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.931396][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.931396][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.931396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.931396][ T10] [ 2369.933135][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2369.933135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2369.933135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2369.933135][ T10] ipv6_find_idev+0x102/0x170 [ 2369.933135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.933135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.933135][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.933135][ T10] netlink_unicast+0x449/0x710 [ 2369.933135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.933135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.933135][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.933135][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.933135][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.933135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.933135][ T10] [ 2369.935902][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2369.936371][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2369.936371][ T10] netdev_get_by_index+0x5e/0x80 [ 2369.936371][ T10] fib6_nh_init+0x3d8/0x1580 [ 2369.936371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2369.936371][ T10] ip6_route_add+0x1c/0x140 [ 2369.936371][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2369.936371][ T10] inet6_addr_add+0x4f8/0xa40 [ 2369.936371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.936371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.936371][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.936371][ T10] netlink_unicast+0x449/0x710 [ 2369.936371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.936371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.936371][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.936371][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.936371][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.936371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.936371][ T10] [ 2369.939747][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2369.939747][ T10] netdev_get_by_index+0x5e/0x80 [ 2369.939747][ T10] fib6_nh_init+0x3d8/0x1580 [ 2369.939747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2369.939747][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2369.939747][ T10] ipv6_add_addr+0x411/0x2000 [ 2369.939747][ T10] inet6_addr_add+0x30e/0xa40 [ 2369.939747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.939747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.939747][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.939747][ T10] netlink_unicast+0x449/0x710 [ 2369.939747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.939747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.939747][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.939747][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.939747][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.939747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.939747][ T10] [ 2369.943109][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2369.943109][ T10] netdev_get_by_index+0x5e/0x80 [ 2369.943109][ T10] fib6_nh_init+0x3d8/0x1580 [ 2369.943109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2369.943109][ T10] ip6_route_add+0x1c/0x140 [ 2369.943109][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2369.943109][ T10] addrconf_add_dev+0xe2/0x170 [ 2369.943109][ T10] inet6_addr_add+0x12f/0xa40 [ 2369.943109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.943109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.943109][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.943109][ T10] netlink_unicast+0x449/0x710 [ 2369.943109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.943109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.943109][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.943109][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.943109][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.943109][ T10] [ 2369.946413][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2369.946413][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2369.946413][ T10] ipv6_find_idev+0x102/0x170 [ 2369.946413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.946413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.946413][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.946413][ T10] netlink_unicast+0x449/0x710 [ 2369.946413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.946413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.946413][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.946413][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.946413][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.946413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.946413][ T10] [ 2369.949025][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2369.949025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2369.949025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2369.949025][ T10] ipv6_find_idev+0x102/0x170 [ 2369.949025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.949025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.949025][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.949025][ T10] netlink_unicast+0x449/0x710 [ 2369.949025][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.949025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.949025][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.949025][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.949025][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.949025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.949025][ T10] [ 2369.951819][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2369.952191][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2369.952191][ T10] vlan_dev_init+0x97c/0xdd0 [ 2369.952191][ T10] register_netdevice+0x4d3/0x1690 [ 2369.952191][ T10] register_vlan_dev+0x162/0x4a0 [ 2369.952191][ T10] vlan_newlink+0x393/0x610 [ 2369.952191][ T10] rtnl_newlink_create+0x341/0x850 [ 2369.952191][ T10] __rtnl_newlink+0xac9/0xd80 [ 2369.952191][ T10] rtnl_newlink+0x63/0xa0 [ 2369.952191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.952191][ T10] netlink_rcv_skb+0x130/0x360 [ 2369.952191][ T10] netlink_unicast+0x449/0x710 [ 2369.952191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2369.952191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2369.952191][ T10] ___sys_sendmsg+0xee/0x170 [ 2369.952191][ T10] __sys_sendmsg+0xcd/0x170 [ 2369.952191][ T10] do_syscall_64+0xc6/0x1e0 [ 2369.952191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.952191][ T10] [ 2380.195968][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2380.196649][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2380.196649][ T10] netdev_get_by_index+0x5e/0x80 [ 2380.196649][ T10] fib6_nh_init+0x3d8/0x1580 [ 2380.196649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2380.196649][ T10] ip6_route_add+0x1c/0x140 [ 2380.196649][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2380.196649][ T10] inet6_addr_add+0x4f8/0xa40 [ 2380.196649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.196649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.196649][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.196649][ T10] netlink_unicast+0x449/0x710 [ 2380.196649][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.196649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.196649][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.196649][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.196649][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.196649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.196649][ T10] [ 2380.200174][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2380.200174][ T10] netdev_get_by_index+0x5e/0x80 [ 2380.200174][ T10] fib6_nh_init+0x3d8/0x1580 [ 2380.200174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2380.200174][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2380.200174][ T10] ipv6_add_addr+0x411/0x2000 [ 2380.200174][ T10] inet6_addr_add+0x30e/0xa40 [ 2380.200174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.200174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.200174][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.200174][ T10] netlink_unicast+0x449/0x710 [ 2380.200174][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.200174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.200174][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.200174][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.200174][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.200174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.200174][ T10] [ 2380.203838][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2380.203838][ T10] netdev_get_by_index+0x5e/0x80 [ 2380.203838][ T10] fib6_nh_init+0x3d8/0x1580 [ 2380.203838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2380.203838][ T10] ip6_route_add+0x1c/0x140 [ 2380.203838][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2380.203838][ T10] addrconf_add_dev+0xe2/0x170 [ 2380.203838][ T10] inet6_addr_add+0x12f/0xa40 [ 2380.203838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.203838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.203838][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.203838][ T10] netlink_unicast+0x449/0x710 [ 2380.203838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.203838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.203838][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.203838][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.203838][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.203838][ T10] [ 2380.207156][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2380.207156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2380.207156][ T10] ipv6_find_idev+0x102/0x170 [ 2380.207156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.207156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.207156][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.207156][ T10] netlink_unicast+0x449/0x710 [ 2380.207156][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.207156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.207156][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.207156][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.207156][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.207156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.207156][ T10] [ 2380.209762][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2380.209762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2380.209762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2380.209762][ T10] ipv6_find_idev+0x102/0x170 [ 2380.209762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.209762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.209762][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.209762][ T10] netlink_unicast+0x449/0x710 [ 2380.209762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.209762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.209762][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.209762][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.209762][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.209762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.209762][ T10] [ 2380.212617][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2380.213116][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2380.213116][ T10] netdev_get_by_index+0x5e/0x80 [ 2380.213116][ T10] fib6_nh_init+0x3d8/0x1580 [ 2380.213116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2380.213116][ T10] ip6_route_add+0x1c/0x140 [ 2380.213116][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2380.213116][ T10] inet6_addr_add+0x4f8/0xa40 [ 2380.213116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.213116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.213116][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.213116][ T10] netlink_unicast+0x449/0x710 [ 2380.213116][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.213116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.213116][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.213116][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.213116][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.213116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.213116][ T10] [ 2380.216466][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2380.216466][ T10] netdev_get_by_index+0x5e/0x80 [ 2380.216466][ T10] fib6_nh_init+0x3d8/0x1580 [ 2380.216466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2380.216466][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2380.216466][ T10] ipv6_add_addr+0x411/0x2000 [ 2380.216466][ T10] inet6_addr_add+0x30e/0xa40 [ 2380.216466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.216466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.216466][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.216466][ T10] netlink_unicast+0x449/0x710 [ 2380.216466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.216466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.216466][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.216466][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.216466][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.216466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.216466][ T10] [ 2380.219863][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2380.219863][ T10] netdev_get_by_index+0x5e/0x80 [ 2380.219863][ T10] fib6_nh_init+0x3d8/0x1580 [ 2380.219863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2380.219863][ T10] ip6_route_add+0x1c/0x140 [ 2380.219863][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2380.219863][ T10] addrconf_add_dev+0xe2/0x170 [ 2380.219863][ T10] inet6_addr_add+0x12f/0xa40 [ 2380.219863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.219863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.219863][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.219863][ T10] netlink_unicast+0x449/0x710 [ 2380.219863][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.219863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.219863][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.219863][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.219863][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.219863][ T10] [ 2380.223337][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2380.223337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2380.223337][ T10] ipv6_find_idev+0x102/0x170 [ 2380.223337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.223337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.223337][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.223337][ T10] netlink_unicast+0x449/0x710 [ 2380.223337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.223337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.223337][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.223337][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.223337][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.223337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.223337][ T10] [ 2380.226211][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2380.226211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2380.226211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2380.226211][ T10] ipv6_find_idev+0x102/0x170 [ 2380.226211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.226211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.226211][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.226211][ T10] netlink_unicast+0x449/0x710 [ 2380.226211][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.226211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.226211][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.226211][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.226211][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.226211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.226211][ T10] [ 2380.229062][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2380.229456][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2380.229456][ T10] vlan_dev_init+0x97c/0xdd0 [ 2380.229456][ T10] register_netdevice+0x4d3/0x1690 [ 2380.229456][ T10] register_vlan_dev+0x162/0x4a0 [ 2380.229456][ T10] vlan_newlink+0x393/0x610 [ 2380.229456][ T10] rtnl_newlink_create+0x341/0x850 [ 2380.229456][ T10] __rtnl_newlink+0xac9/0xd80 [ 2380.229456][ T10] rtnl_newlink+0x63/0xa0 [ 2380.229456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.229456][ T10] netlink_rcv_skb+0x130/0x360 [ 2380.229456][ T10] netlink_unicast+0x449/0x710 [ 2380.229456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2380.229456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2380.229456][ T10] ___sys_sendmsg+0xee/0x170 [ 2380.229456][ T10] __sys_sendmsg+0xcd/0x170 [ 2380.229456][ T10] do_syscall_64+0xc6/0x1e0 [ 2380.229456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.229456][ T10] [ 2390.267947][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2390.268437][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2390.268437][ T10] netdev_get_by_index+0x5e/0x80 [ 2390.268437][ T10] fib6_nh_init+0x3d8/0x1580 [ 2390.268437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2390.268437][ T10] ip6_route_add+0x1c/0x140 [ 2390.268437][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2390.268437][ T10] inet6_addr_add+0x4f8/0xa40 [ 2390.268437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.268437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.268437][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.268437][ T10] netlink_unicast+0x449/0x710 [ 2390.268437][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.268437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.268437][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.268437][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.268437][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.268437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.268437][ T10] [ 2390.270726][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2390.270726][ T10] netdev_get_by_index+0x5e/0x80 [ 2390.270726][ T10] fib6_nh_init+0x3d8/0x1580 [ 2390.270726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2390.270726][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2390.270726][ T10] ipv6_add_addr+0x411/0x2000 [ 2390.270726][ T10] inet6_addr_add+0x30e/0xa40 [ 2390.270726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.270726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.270726][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.270726][ T10] netlink_unicast+0x449/0x710 [ 2390.270726][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.270726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.270726][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.270726][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.270726][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.270726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.270726][ T10] [ 2390.273018][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2390.273018][ T10] netdev_get_by_index+0x5e/0x80 [ 2390.273018][ T10] fib6_nh_init+0x3d8/0x1580 [ 2390.273018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2390.273018][ T10] ip6_route_add+0x1c/0x140 [ 2390.273018][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2390.273018][ T10] addrconf_add_dev+0xe2/0x170 [ 2390.273018][ T10] inet6_addr_add+0x12f/0xa40 [ 2390.273018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.273018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.273018][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.273018][ T10] netlink_unicast+0x449/0x710 [ 2390.273018][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.273018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.273018][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.273018][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.273018][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.273018][ T10] [ 2390.275268][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2390.275268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2390.275268][ T10] ipv6_find_idev+0x102/0x170 [ 2390.275268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.275268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.275268][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.275268][ T10] netlink_unicast+0x449/0x710 [ 2390.275268][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.275268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.275268][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.275268][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.275268][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.275268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.275268][ T10] [ 2390.277026][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2390.277026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2390.277026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2390.277026][ T10] ipv6_find_idev+0x102/0x170 [ 2390.277026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.277026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.277026][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.277026][ T10] netlink_unicast+0x449/0x710 [ 2390.277026][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.277026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.277026][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.277026][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.277026][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.277026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.277026][ T10] [ 2390.278951][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2390.279250][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2390.279250][ T10] netdev_get_by_index+0x5e/0x80 [ 2390.279250][ T10] fib6_nh_init+0x3d8/0x1580 [ 2390.279250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2390.279250][ T10] ip6_route_add+0x1c/0x140 [ 2390.279250][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2390.279250][ T10] inet6_addr_add+0x4f8/0xa40 [ 2390.279250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.279250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.279250][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.279250][ T10] netlink_unicast+0x449/0x710 [ 2390.279250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.279250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.279250][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.279250][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.279250][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.279250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.279250][ T10] [ 2390.281575][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2390.281575][ T10] netdev_get_by_index+0x5e/0x80 [ 2390.281575][ T10] fib6_nh_init+0x3d8/0x1580 [ 2390.281575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2390.281575][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2390.281575][ T10] ipv6_add_addr+0x411/0x2000 [ 2390.281575][ T10] inet6_addr_add+0x30e/0xa40 [ 2390.281575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.281575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.281575][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.281575][ T10] netlink_unicast+0x449/0x710 [ 2390.281575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.281575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.281575][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.281575][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.281575][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.281575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.281575][ T10] [ 2390.283843][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2390.283843][ T10] netdev_get_by_index+0x5e/0x80 [ 2390.283843][ T10] fib6_nh_init+0x3d8/0x1580 [ 2390.283843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2390.283843][ T10] ip6_route_add+0x1c/0x140 [ 2390.283843][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2390.283843][ T10] addrconf_add_dev+0xe2/0x170 [ 2390.283843][ T10] inet6_addr_add+0x12f/0xa40 [ 2390.283843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.283843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.283843][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.283843][ T10] netlink_unicast+0x449/0x710 [ 2390.283843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.283843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.283843][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.283843][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.283843][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.283843][ T10] [ 2390.286088][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2390.286088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2390.286088][ T10] ipv6_find_idev+0x102/0x170 [ 2390.286088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.286088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.286088][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.286088][ T10] netlink_unicast+0x449/0x710 [ 2390.286088][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.286088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.286088][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.286088][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.286088][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.286088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.286088][ T10] [ 2390.288379][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2390.288379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2390.288379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2390.288379][ T10] ipv6_find_idev+0x102/0x170 [ 2390.288379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.288379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.288379][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.288379][ T10] netlink_unicast+0x449/0x710 [ 2390.288379][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.288379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.288379][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.288379][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.288379][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.288379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.288379][ T10] [ 2390.290300][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2390.290581][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2390.290581][ T10] vlan_dev_init+0x97c/0xdd0 [ 2390.290581][ T10] register_netdevice+0x4d3/0x1690 [ 2390.290581][ T10] register_vlan_dev+0x162/0x4a0 [ 2390.290581][ T10] vlan_newlink+0x393/0x610 [ 2390.290581][ T10] rtnl_newlink_create+0x341/0x850 [ 2390.290581][ T10] __rtnl_newlink+0xac9/0xd80 [ 2390.290581][ T10] rtnl_newlink+0x63/0xa0 [ 2390.290581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.290581][ T10] netlink_rcv_skb+0x130/0x360 [ 2390.290581][ T10] netlink_unicast+0x449/0x710 [ 2390.290581][ T10] netlink_sendmsg+0x723/0xbe0 [ 2390.290581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2390.290581][ T10] ___sys_sendmsg+0xee/0x170 [ 2390.290581][ T10] __sys_sendmsg+0xcd/0x170 [ 2390.290581][ T10] do_syscall_64+0xc6/0x1e0 [ 2390.290581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.290581][ T10] [ 2400.347932][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2400.348423][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2400.348423][ T10] netdev_get_by_index+0x5e/0x80 [ 2400.348423][ T10] fib6_nh_init+0x3d8/0x1580 [ 2400.348423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2400.348423][ T10] ip6_route_add+0x1c/0x140 [ 2400.348423][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2400.348423][ T10] inet6_addr_add+0x4f8/0xa40 [ 2400.348423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.348423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.348423][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.348423][ T10] netlink_unicast+0x449/0x710 [ 2400.348423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.348423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.348423][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.348423][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.348423][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.348423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.348423][ T10] [ 2400.350696][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2400.350696][ T10] netdev_get_by_index+0x5e/0x80 [ 2400.350696][ T10] fib6_nh_init+0x3d8/0x1580 [ 2400.350696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2400.350696][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2400.350696][ T10] ipv6_add_addr+0x411/0x2000 [ 2400.350696][ T10] inet6_addr_add+0x30e/0xa40 [ 2400.350696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.350696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.350696][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.350696][ T10] netlink_unicast+0x449/0x710 [ 2400.350696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.350696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.350696][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.350696][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.350696][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.350696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.350696][ T10] [ 2400.352961][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2400.352961][ T10] netdev_get_by_index+0x5e/0x80 [ 2400.352961][ T10] fib6_nh_init+0x3d8/0x1580 [ 2400.352961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2400.352961][ T10] ip6_route_add+0x1c/0x140 [ 2400.352961][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2400.352961][ T10] addrconf_add_dev+0xe2/0x170 [ 2400.352961][ T10] inet6_addr_add+0x12f/0xa40 [ 2400.352961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.352961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.352961][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.352961][ T10] netlink_unicast+0x449/0x710 [ 2400.352961][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.352961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.352961][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.352961][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.352961][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.352961][ T10] [ 2400.355183][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2400.355183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2400.355183][ T10] ipv6_find_idev+0x102/0x170 [ 2400.355183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.355183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.355183][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.355183][ T10] netlink_unicast+0x449/0x710 [ 2400.355183][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.355183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.355183][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.355183][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.355183][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.355183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.355183][ T10] [ 2400.356938][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2400.356938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2400.356938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2400.356938][ T10] ipv6_find_idev+0x102/0x170 [ 2400.356938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.356938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.356938][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.356938][ T10] netlink_unicast+0x449/0x710 [ 2400.356938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.356938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.356938][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.356938][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.356938][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.356938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.356938][ T10] [ 2400.358843][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2400.359167][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2400.359167][ T10] netdev_get_by_index+0x5e/0x80 [ 2400.359167][ T10] fib6_nh_init+0x3d8/0x1580 [ 2400.359167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2400.359167][ T10] ip6_route_add+0x1c/0x140 [ 2400.359167][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2400.359167][ T10] inet6_addr_add+0x4f8/0xa40 [ 2400.359167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.359167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.359167][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.359167][ T10] netlink_unicast+0x449/0x710 [ 2400.359167][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.359167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.359167][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.359167][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.359167][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.359167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.359167][ T10] [ 2400.361428][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2400.361428][ T10] netdev_get_by_index+0x5e/0x80 [ 2400.361428][ T10] fib6_nh_init+0x3d8/0x1580 [ 2400.361428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2400.361428][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2400.361428][ T10] ipv6_add_addr+0x411/0x2000 [ 2400.361428][ T10] inet6_addr_add+0x30e/0xa40 [ 2400.361428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.361428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.361428][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.361428][ T10] netlink_unicast+0x449/0x710 [ 2400.361428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.361428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.361428][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.361428][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.361428][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.361428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.361428][ T10] [ 2400.363714][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2400.363714][ T10] netdev_get_by_index+0x5e/0x80 [ 2400.363714][ T10] fib6_nh_init+0x3d8/0x1580 [ 2400.363714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2400.363714][ T10] ip6_route_add+0x1c/0x140 [ 2400.363714][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2400.363714][ T10] addrconf_add_dev+0xe2/0x170 [ 2400.363714][ T10] inet6_addr_add+0x12f/0xa40 [ 2400.363714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.363714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.363714][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.363714][ T10] netlink_unicast+0x449/0x710 [ 2400.363714][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.363714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.363714][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.363714][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.363714][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.363714][ T10] [ 2400.365940][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2400.365940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2400.365940][ T10] ipv6_find_idev+0x102/0x170 [ 2400.365940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.365940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.365940][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.365940][ T10] netlink_unicast+0x449/0x710 [ 2400.365940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.365940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.365940][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.365940][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.365940][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.365940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.365940][ T10] [ 2400.367684][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2400.367684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2400.367684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2400.367684][ T10] ipv6_find_idev+0x102/0x170 [ 2400.367684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.367684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.367684][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.367684][ T10] netlink_unicast+0x449/0x710 [ 2400.367684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.367684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.367684][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.367684][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.367684][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.367684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.367684][ T10] [ 2400.369588][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2400.369871][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2400.369871][ T10] vlan_dev_init+0x97c/0xdd0 [ 2400.369871][ T10] register_netdevice+0x4d3/0x1690 [ 2400.369871][ T10] register_vlan_dev+0x162/0x4a0 [ 2400.369871][ T10] vlan_newlink+0x393/0x610 [ 2400.369871][ T10] rtnl_newlink_create+0x341/0x850 [ 2400.369871][ T10] __rtnl_newlink+0xac9/0xd80 [ 2400.369871][ T10] rtnl_newlink+0x63/0xa0 [ 2400.369871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.369871][ T10] netlink_rcv_skb+0x130/0x360 [ 2400.369871][ T10] netlink_unicast+0x449/0x710 [ 2400.369871][ T10] netlink_sendmsg+0x723/0xbe0 [ 2400.369871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2400.369871][ T10] ___sys_sendmsg+0xee/0x170 [ 2400.369871][ T10] __sys_sendmsg+0xcd/0x170 [ 2400.369871][ T10] do_syscall_64+0xc6/0x1e0 [ 2400.369871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.369871][ T10] [ 2410.548004][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2410.548528][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2410.548528][ T10] netdev_get_by_index+0x5e/0x80 [ 2410.548528][ T10] fib6_nh_init+0x3d8/0x1580 [ 2410.548528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2410.548528][ T10] ip6_route_add+0x1c/0x140 [ 2410.548528][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2410.548528][ T10] inet6_addr_add+0x4f8/0xa40 [ 2410.548528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.548528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.548528][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.548528][ T10] netlink_unicast+0x449/0x710 [ 2410.548528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.548528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.548528][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.548528][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.548528][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.548528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.548528][ T10] [ 2410.550807][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2410.550807][ T10] netdev_get_by_index+0x5e/0x80 [ 2410.550807][ T10] fib6_nh_init+0x3d8/0x1580 [ 2410.550807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2410.550807][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2410.550807][ T10] ipv6_add_addr+0x411/0x2000 [ 2410.550807][ T10] inet6_addr_add+0x30e/0xa40 [ 2410.550807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.550807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.550807][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.550807][ T10] netlink_unicast+0x449/0x710 [ 2410.550807][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.550807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.550807][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.550807][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.550807][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.550807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.550807][ T10] [ 2410.553079][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2410.553079][ T10] netdev_get_by_index+0x5e/0x80 [ 2410.553079][ T10] fib6_nh_init+0x3d8/0x1580 [ 2410.553079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2410.553079][ T10] ip6_route_add+0x1c/0x140 [ 2410.553079][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2410.553079][ T10] addrconf_add_dev+0xe2/0x170 [ 2410.553079][ T10] inet6_addr_add+0x12f/0xa40 [ 2410.553079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.553079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.553079][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.553079][ T10] netlink_unicast+0x449/0x710 [ 2410.553079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.553079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.553079][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.553079][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.553079][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.553079][ T10] [ 2410.555309][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2410.555309][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2410.555309][ T10] ipv6_find_idev+0x102/0x170 [ 2410.555309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.555309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.555309][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.555309][ T10] netlink_unicast+0x449/0x710 [ 2410.555309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.555309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.555309][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.555309][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.555309][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.555309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.555309][ T10] [ 2410.557078][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2410.557078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2410.557078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2410.557078][ T10] ipv6_find_idev+0x102/0x170 [ 2410.557078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.557078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.557078][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.557078][ T10] netlink_unicast+0x449/0x710 [ 2410.557078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.557078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.557078][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.557078][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.557078][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.557078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.557078][ T10] [ 2410.559030][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2410.559330][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2410.559330][ T10] netdev_get_by_index+0x5e/0x80 [ 2410.559330][ T10] fib6_nh_init+0x3d8/0x1580 [ 2410.559330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2410.559330][ T10] ip6_route_add+0x1c/0x140 [ 2410.559330][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2410.559330][ T10] inet6_addr_add+0x4f8/0xa40 [ 2410.559330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.559330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.559330][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.559330][ T10] netlink_unicast+0x449/0x710 [ 2410.559330][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.559330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.559330][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.559330][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.559330][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.559330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.559330][ T10] [ 2410.562173][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2410.562173][ T10] netdev_get_by_index+0x5e/0x80 [ 2410.562173][ T10] fib6_nh_init+0x3d8/0x1580 [ 2410.562173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2410.562173][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2410.562173][ T10] ipv6_add_addr+0x411/0x2000 [ 2410.562173][ T10] inet6_addr_add+0x30e/0xa40 [ 2410.562173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.562173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.562173][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.562173][ T10] netlink_unicast+0x449/0x710 [ 2410.562173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.562173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.562173][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.562173][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.562173][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.562173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.562173][ T10] [ 2410.564440][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2410.564440][ T10] netdev_get_by_index+0x5e/0x80 [ 2410.564440][ T10] fib6_nh_init+0x3d8/0x1580 [ 2410.564440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2410.564440][ T10] ip6_route_add+0x1c/0x140 [ 2410.564440][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2410.564440][ T10] addrconf_add_dev+0xe2/0x170 [ 2410.564440][ T10] inet6_addr_add+0x12f/0xa40 [ 2410.564440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.564440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.564440][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.564440][ T10] netlink_unicast+0x449/0x710 [ 2410.564440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.564440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.564440][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.564440][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.564440][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.564440][ T10] [ 2410.586673][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2410.586673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2410.586673][ T10] ipv6_find_idev+0x102/0x170 [ 2410.586673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.586673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.586673][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.586673][ T10] netlink_unicast+0x449/0x710 [ 2410.586673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.586673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.586673][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.586673][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.586673][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.586673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.586673][ T10] [ 2410.588439][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2410.588439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2410.588439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2410.588439][ T10] ipv6_find_idev+0x102/0x170 [ 2410.588439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.588439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.588439][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.588439][ T10] netlink_unicast+0x449/0x710 [ 2410.588439][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.588439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.588439][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.588439][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.588439][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.588439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.588439][ T10] [ 2410.590365][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2410.590635][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2410.590635][ T10] vlan_dev_init+0x97c/0xdd0 [ 2410.590635][ T10] register_netdevice+0x4d3/0x1690 [ 2410.590635][ T10] register_vlan_dev+0x162/0x4a0 [ 2410.590635][ T10] vlan_newlink+0x393/0x610 [ 2410.590635][ T10] rtnl_newlink_create+0x341/0x850 [ 2410.590635][ T10] __rtnl_newlink+0xac9/0xd80 [ 2410.590635][ T10] rtnl_newlink+0x63/0xa0 [ 2410.590635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.590635][ T10] netlink_rcv_skb+0x130/0x360 [ 2410.590635][ T10] netlink_unicast+0x449/0x710 [ 2410.590635][ T10] netlink_sendmsg+0x723/0xbe0 [ 2410.590635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2410.590635][ T10] ___sys_sendmsg+0xee/0x170 [ 2410.590635][ T10] __sys_sendmsg+0xcd/0x170 [ 2410.590635][ T10] do_syscall_64+0xc6/0x1e0 [ 2410.590635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.590635][ T10] [ 2420.844003][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2420.844502][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2420.844502][ T10] netdev_get_by_index+0x5e/0x80 [ 2420.844502][ T10] fib6_nh_init+0x3d8/0x1580 [ 2420.844502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2420.844502][ T10] ip6_route_add+0x1c/0x140 [ 2420.844502][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2420.844502][ T10] inet6_addr_add+0x4f8/0xa40 [ 2420.844502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.844502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.844502][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.844502][ T10] netlink_unicast+0x449/0x710 [ 2420.844502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.844502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.844502][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.844502][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.844502][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.844502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.844502][ T10] [ 2420.846816][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2420.846816][ T10] netdev_get_by_index+0x5e/0x80 [ 2420.846816][ T10] fib6_nh_init+0x3d8/0x1580 [ 2420.846816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2420.846816][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2420.846816][ T10] ipv6_add_addr+0x411/0x2000 [ 2420.846816][ T10] inet6_addr_add+0x30e/0xa40 [ 2420.846816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.846816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.846816][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.846816][ T10] netlink_unicast+0x449/0x710 [ 2420.846816][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.846816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.846816][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.846816][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.846816][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.846816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.846816][ T10] [ 2420.849094][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2420.849094][ T10] netdev_get_by_index+0x5e/0x80 [ 2420.849094][ T10] fib6_nh_init+0x3d8/0x1580 [ 2420.849094][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2420.849094][ T10] ip6_route_add+0x1c/0x140 [ 2420.849094][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2420.849094][ T10] addrconf_add_dev+0xe2/0x170 [ 2420.849094][ T10] inet6_addr_add+0x12f/0xa40 [ 2420.849094][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.849094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.849094][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.849094][ T10] netlink_unicast+0x449/0x710 [ 2420.849094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.849094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.849094][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.849094][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.849094][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.849094][ T10] [ 2420.851322][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2420.851322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2420.851322][ T10] ipv6_find_idev+0x102/0x170 [ 2420.851322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.851322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.851322][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.851322][ T10] netlink_unicast+0x449/0x710 [ 2420.851322][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.851322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.851322][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.851322][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.851322][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.851322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.851322][ T10] [ 2420.853065][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2420.853065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2420.853065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2420.853065][ T10] ipv6_find_idev+0x102/0x170 [ 2420.853065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.853065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.853065][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.853065][ T10] netlink_unicast+0x449/0x710 [ 2420.853065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.853065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.853065][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.853065][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.853065][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.853065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.853065][ T10] [ 2420.854970][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2420.855274][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2420.855274][ T10] netdev_get_by_index+0x5e/0x80 [ 2420.855274][ T10] fib6_nh_init+0x3d8/0x1580 [ 2420.855274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2420.855274][ T10] ip6_route_add+0x1c/0x140 [ 2420.855274][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2420.855274][ T10] inet6_addr_add+0x4f8/0xa40 [ 2420.855274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.855274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.855274][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.855274][ T10] netlink_unicast+0x449/0x710 [ 2420.855274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.855274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.855274][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.855274][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.855274][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.855274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.855274][ T10] [ 2420.857549][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2420.857549][ T10] netdev_get_by_index+0x5e/0x80 [ 2420.857549][ T10] fib6_nh_init+0x3d8/0x1580 [ 2420.857549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2420.857549][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2420.857549][ T10] ipv6_add_addr+0x411/0x2000 [ 2420.857549][ T10] inet6_addr_add+0x30e/0xa40 [ 2420.857549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.857549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.857549][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.857549][ T10] netlink_unicast+0x449/0x710 [ 2420.857549][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.857549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.857549][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.857549][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.857549][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.857549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.857549][ T10] [ 2420.859809][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2420.859809][ T10] netdev_get_by_index+0x5e/0x80 [ 2420.859809][ T10] fib6_nh_init+0x3d8/0x1580 [ 2420.859809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2420.859809][ T10] ip6_route_add+0x1c/0x140 [ 2420.859809][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2420.859809][ T10] addrconf_add_dev+0xe2/0x170 [ 2420.859809][ T10] inet6_addr_add+0x12f/0xa40 [ 2420.859809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.859809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.859809][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.859809][ T10] netlink_unicast+0x449/0x710 [ 2420.859809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.859809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.859809][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.859809][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.859809][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.859809][ T10] [ 2420.862051][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2420.862051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2420.862051][ T10] ipv6_find_idev+0x102/0x170 [ 2420.862051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.862051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.862051][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.862051][ T10] netlink_unicast+0x449/0x710 [ 2420.862051][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.862051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.862051][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.862051][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.862051][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.862051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.862051][ T10] [ 2420.863793][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2420.863793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2420.863793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2420.863793][ T10] ipv6_find_idev+0x102/0x170 [ 2420.863793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.863793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.863793][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.863793][ T10] netlink_unicast+0x449/0x710 [ 2420.863793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.863793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.863793][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.863793][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.863793][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.863793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.863793][ T10] [ 2420.873726][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2420.874021][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2420.874021][ T10] vlan_dev_init+0x97c/0xdd0 [ 2420.874021][ T10] register_netdevice+0x4d3/0x1690 [ 2420.874021][ T10] register_vlan_dev+0x162/0x4a0 [ 2420.874021][ T10] vlan_newlink+0x393/0x610 [ 2420.874021][ T10] rtnl_newlink_create+0x341/0x850 [ 2420.874021][ T10] __rtnl_newlink+0xac9/0xd80 [ 2420.874021][ T10] rtnl_newlink+0x63/0xa0 [ 2420.874021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.874021][ T10] netlink_rcv_skb+0x130/0x360 [ 2420.874021][ T10] netlink_unicast+0x449/0x710 [ 2420.874021][ T10] netlink_sendmsg+0x723/0xbe0 [ 2420.874021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2420.874021][ T10] ___sys_sendmsg+0xee/0x170 [ 2420.874021][ T10] __sys_sendmsg+0xcd/0x170 [ 2420.874021][ T10] do_syscall_64+0xc6/0x1e0 [ 2420.874021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.874021][ T10] [ 2431.123931][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2431.124474][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2431.124474][ T10] netdev_get_by_index+0x5e/0x80 [ 2431.124474][ T10] fib6_nh_init+0x3d8/0x1580 [ 2431.124474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2431.124474][ T10] ip6_route_add+0x1c/0x140 [ 2431.124474][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2431.124474][ T10] inet6_addr_add+0x4f8/0xa40 [ 2431.124474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.124474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.124474][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.124474][ T10] netlink_unicast+0x449/0x710 [ 2431.124474][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.124474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.124474][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.124474][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.124474][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.124474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.124474][ T10] [ 2431.126775][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2431.126775][ T10] netdev_get_by_index+0x5e/0x80 [ 2431.126775][ T10] fib6_nh_init+0x3d8/0x1580 [ 2431.126775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2431.126775][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2431.126775][ T10] ipv6_add_addr+0x411/0x2000 [ 2431.126775][ T10] inet6_addr_add+0x30e/0xa40 [ 2431.126775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.126775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.126775][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.126775][ T10] netlink_unicast+0x449/0x710 [ 2431.126775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.126775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.126775][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.126775][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.126775][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.126775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.126775][ T10] [ 2431.129068][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2431.129068][ T10] netdev_get_by_index+0x5e/0x80 [ 2431.129068][ T10] fib6_nh_init+0x3d8/0x1580 [ 2431.129068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2431.129068][ T10] ip6_route_add+0x1c/0x140 [ 2431.129068][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2431.129068][ T10] addrconf_add_dev+0xe2/0x170 [ 2431.129068][ T10] inet6_addr_add+0x12f/0xa40 [ 2431.129068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.129068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.129068][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.129068][ T10] netlink_unicast+0x449/0x710 [ 2431.129068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.129068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.129068][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.129068][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.129068][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.129068][ T10] [ 2431.131346][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2431.131346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2431.131346][ T10] ipv6_find_idev+0x102/0x170 [ 2431.131346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.131346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.131346][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.131346][ T10] netlink_unicast+0x449/0x710 [ 2431.131346][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.131346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.131346][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.131346][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.131346][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.131346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.131346][ T10] [ 2431.133127][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2431.133127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2431.133127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2431.133127][ T10] ipv6_find_idev+0x102/0x170 [ 2431.133127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.133127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.133127][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.133127][ T10] netlink_unicast+0x449/0x710 [ 2431.133127][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.133127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.133127][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.133127][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.133127][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.133127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.133127][ T10] [ 2431.135063][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2431.135372][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2431.135372][ T10] netdev_get_by_index+0x5e/0x80 [ 2431.135372][ T10] fib6_nh_init+0x3d8/0x1580 [ 2431.135372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2431.135372][ T10] ip6_route_add+0x1c/0x140 [ 2431.135372][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2431.135372][ T10] inet6_addr_add+0x4f8/0xa40 [ 2431.135372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.135372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.135372][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.135372][ T10] netlink_unicast+0x449/0x710 [ 2431.135372][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.135372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.135372][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.135372][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.135372][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.135372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.135372][ T10] [ 2431.137660][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2431.137660][ T10] netdev_get_by_index+0x5e/0x80 [ 2431.137660][ T10] fib6_nh_init+0x3d8/0x1580 [ 2431.137660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2431.137660][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2431.137660][ T10] ipv6_add_addr+0x411/0x2000 [ 2431.137660][ T10] inet6_addr_add+0x30e/0xa40 [ 2431.137660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.137660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.137660][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.137660][ T10] netlink_unicast+0x449/0x710 [ 2431.137660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.137660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.137660][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.137660][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.137660][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.137660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.137660][ T10] [ 2431.139951][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2431.139951][ T10] netdev_get_by_index+0x5e/0x80 [ 2431.139951][ T10] fib6_nh_init+0x3d8/0x1580 [ 2431.139951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2431.139951][ T10] ip6_route_add+0x1c/0x140 [ 2431.139951][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2431.139951][ T10] addrconf_add_dev+0xe2/0x170 [ 2431.139951][ T10] inet6_addr_add+0x12f/0xa40 [ 2431.139951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.139951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.139951][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.139951][ T10] netlink_unicast+0x449/0x710 [ 2431.139951][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.139951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.139951][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.139951][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.139951][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.139951][ T10] [ 2431.142219][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2431.142219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2431.142219][ T10] ipv6_find_idev+0x102/0x170 [ 2431.142219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.142219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.142219][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.142219][ T10] netlink_unicast+0x449/0x710 [ 2431.142219][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.142219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.142219][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.142219][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.142219][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.142219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.142219][ T10] [ 2431.143979][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2431.143979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2431.143979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2431.143979][ T10] ipv6_find_idev+0x102/0x170 [ 2431.143979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.143979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.143979][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.143979][ T10] netlink_unicast+0x449/0x710 [ 2431.143979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.143979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.143979][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.143979][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.143979][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.143979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.143979][ T10] [ 2431.145922][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2431.146217][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2431.146217][ T10] vlan_dev_init+0x97c/0xdd0 [ 2431.146217][ T10] register_netdevice+0x4d3/0x1690 [ 2431.146217][ T10] register_vlan_dev+0x162/0x4a0 [ 2431.146217][ T10] vlan_newlink+0x393/0x610 [ 2431.146217][ T10] rtnl_newlink_create+0x341/0x850 [ 2431.146217][ T10] __rtnl_newlink+0xac9/0xd80 [ 2431.146217][ T10] rtnl_newlink+0x63/0xa0 [ 2431.146217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.146217][ T10] netlink_rcv_skb+0x130/0x360 [ 2431.146217][ T10] netlink_unicast+0x449/0x710 [ 2431.146217][ T10] netlink_sendmsg+0x723/0xbe0 [ 2431.146217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2431.146217][ T10] ___sys_sendmsg+0xee/0x170 [ 2431.146217][ T10] __sys_sendmsg+0xcd/0x170 [ 2431.146217][ T10] do_syscall_64+0xc6/0x1e0 [ 2431.146217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.146217][ T10] [ 2441.395978][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2441.396519][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2441.396519][ T10] netdev_get_by_index+0x5e/0x80 [ 2441.396519][ T10] fib6_nh_init+0x3d8/0x1580 [ 2441.396519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2441.396519][ T10] ip6_route_add+0x1c/0x140 [ 2441.396519][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2441.396519][ T10] inet6_addr_add+0x4f8/0xa40 [ 2441.396519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.396519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.396519][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.396519][ T10] netlink_unicast+0x449/0x710 [ 2441.396519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.396519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.396519][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.396519][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.396519][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.396519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.396519][ T10] [ 2441.398819][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2441.398819][ T10] netdev_get_by_index+0x5e/0x80 [ 2441.398819][ T10] fib6_nh_init+0x3d8/0x1580 [ 2441.398819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2441.398819][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2441.398819][ T10] ipv6_add_addr+0x411/0x2000 [ 2441.398819][ T10] inet6_addr_add+0x30e/0xa40 [ 2441.398819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.398819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.398819][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.398819][ T10] netlink_unicast+0x449/0x710 [ 2441.398819][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.398819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.398819][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.398819][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.398819][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.398819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.398819][ T10] [ 2441.401096][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2441.401096][ T10] netdev_get_by_index+0x5e/0x80 [ 2441.401096][ T10] fib6_nh_init+0x3d8/0x1580 [ 2441.401096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2441.401096][ T10] ip6_route_add+0x1c/0x140 [ 2441.401096][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2441.401096][ T10] addrconf_add_dev+0xe2/0x170 [ 2441.401096][ T10] inet6_addr_add+0x12f/0xa40 [ 2441.401096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.401096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.401096][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.401096][ T10] netlink_unicast+0x449/0x710 [ 2441.401096][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.401096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.401096][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.401096][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.401096][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.401096][ T10] [ 2441.403353][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2441.403353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2441.403353][ T10] ipv6_find_idev+0x102/0x170 [ 2441.403353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.403353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.403353][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.403353][ T10] netlink_unicast+0x449/0x710 [ 2441.403353][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.403353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.403353][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.403353][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.403353][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.403353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.403353][ T10] [ 2441.405109][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2441.405109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2441.405109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2441.405109][ T10] ipv6_find_idev+0x102/0x170 [ 2441.405109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.405109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.405109][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.405109][ T10] netlink_unicast+0x449/0x710 [ 2441.405109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.405109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.405109][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.405109][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.405109][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.405109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.405109][ T10] [ 2441.407038][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2441.407334][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2441.407334][ T10] netdev_get_by_index+0x5e/0x80 [ 2441.407334][ T10] fib6_nh_init+0x3d8/0x1580 [ 2441.407334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2441.407334][ T10] ip6_route_add+0x1c/0x140 [ 2441.407334][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2441.407334][ T10] inet6_addr_add+0x4f8/0xa40 [ 2441.407334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.407334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.407334][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.407334][ T10] netlink_unicast+0x449/0x710 [ 2441.407334][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.407334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.407334][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.407334][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.407334][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.407334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.407334][ T10] [ 2441.409596][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2441.409596][ T10] netdev_get_by_index+0x5e/0x80 [ 2441.409596][ T10] fib6_nh_init+0x3d8/0x1580 [ 2441.409596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2441.409596][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2441.409596][ T10] ipv6_add_addr+0x411/0x2000 [ 2441.409596][ T10] inet6_addr_add+0x30e/0xa40 [ 2441.409596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.409596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.409596][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.409596][ T10] netlink_unicast+0x449/0x710 [ 2441.409596][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.409596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.409596][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.409596][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.409596][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.409596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.409596][ T10] [ 2441.411885][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2441.411885][ T10] netdev_get_by_index+0x5e/0x80 [ 2441.411885][ T10] fib6_nh_init+0x3d8/0x1580 [ 2441.411885][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2441.411885][ T10] ip6_route_add+0x1c/0x140 [ 2441.411885][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2441.411885][ T10] addrconf_add_dev+0xe2/0x170 [ 2441.411885][ T10] inet6_addr_add+0x12f/0xa40 [ 2441.411885][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.411885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.411885][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.411885][ T10] netlink_unicast+0x449/0x710 [ 2441.411885][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.411885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.411885][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.411885][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.411885][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.411885][ T10] [ 2441.414131][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2441.414131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2441.414131][ T10] ipv6_find_idev+0x102/0x170 [ 2441.414131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.414131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.414131][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.414131][ T10] netlink_unicast+0x449/0x710 [ 2441.414131][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.414131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.414131][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.414131][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.414131][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.414131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.414131][ T10] [ 2441.415891][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2441.415891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2441.415891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2441.415891][ T10] ipv6_find_idev+0x102/0x170 [ 2441.415891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.415891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.415891][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.415891][ T10] netlink_unicast+0x449/0x710 [ 2441.415891][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.415891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.415891][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.415891][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.415891][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.415891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.415891][ T10] [ 2441.417805][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2441.418082][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2441.418082][ T10] vlan_dev_init+0x97c/0xdd0 [ 2441.418082][ T10] register_netdevice+0x4d3/0x1690 [ 2441.418082][ T10] register_vlan_dev+0x162/0x4a0 [ 2441.418082][ T10] vlan_newlink+0x393/0x610 [ 2441.418082][ T10] rtnl_newlink_create+0x341/0x850 [ 2441.418082][ T10] __rtnl_newlink+0xac9/0xd80 [ 2441.418082][ T10] rtnl_newlink+0x63/0xa0 [ 2441.418082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.418082][ T10] netlink_rcv_skb+0x130/0x360 [ 2441.418082][ T10] netlink_unicast+0x449/0x710 [ 2441.418082][ T10] netlink_sendmsg+0x723/0xbe0 [ 2441.418082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2441.418082][ T10] ___sys_sendmsg+0xee/0x170 [ 2441.418082][ T10] __sys_sendmsg+0xcd/0x170 [ 2441.418082][ T10] do_syscall_64+0xc6/0x1e0 [ 2441.418082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.418082][ T10] [ 2451.667983][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2451.668488][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2451.668488][ T10] netdev_get_by_index+0x5e/0x80 [ 2451.668488][ T10] fib6_nh_init+0x3d8/0x1580 [ 2451.668488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2451.668488][ T10] ip6_route_add+0x1c/0x140 [ 2451.668488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2451.668488][ T10] inet6_addr_add+0x4f8/0xa40 [ 2451.668488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.668488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.668488][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.668488][ T10] netlink_unicast+0x449/0x710 [ 2451.668488][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.668488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.668488][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.668488][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.668488][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.668488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.668488][ T10] [ 2451.670821][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2451.670821][ T10] netdev_get_by_index+0x5e/0x80 [ 2451.670821][ T10] fib6_nh_init+0x3d8/0x1580 [ 2451.670821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2451.670821][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2451.670821][ T10] ipv6_add_addr+0x411/0x2000 [ 2451.670821][ T10] inet6_addr_add+0x30e/0xa40 [ 2451.670821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.670821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.670821][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.670821][ T10] netlink_unicast+0x449/0x710 [ 2451.670821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.670821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.670821][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.670821][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.670821][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.670821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.670821][ T10] [ 2451.673113][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2451.673113][ T10] netdev_get_by_index+0x5e/0x80 [ 2451.673113][ T10] fib6_nh_init+0x3d8/0x1580 [ 2451.673113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2451.673113][ T10] ip6_route_add+0x1c/0x140 [ 2451.673113][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2451.673113][ T10] addrconf_add_dev+0xe2/0x170 [ 2451.673113][ T10] inet6_addr_add+0x12f/0xa40 [ 2451.673113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.673113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.673113][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.673113][ T10] netlink_unicast+0x449/0x710 [ 2451.673113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.673113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.673113][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.673113][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.673113][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.673113][ T10] [ 2451.675359][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2451.675359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2451.675359][ T10] ipv6_find_idev+0x102/0x170 [ 2451.675359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.675359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.675359][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.675359][ T10] netlink_unicast+0x449/0x710 [ 2451.675359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.675359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.675359][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.675359][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.675359][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.675359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.675359][ T10] [ 2451.677122][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2451.677122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2451.677122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2451.677122][ T10] ipv6_find_idev+0x102/0x170 [ 2451.677122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.677122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.677122][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.677122][ T10] netlink_unicast+0x449/0x710 [ 2451.677122][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.677122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.677122][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.677122][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.677122][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.677122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.677122][ T10] [ 2451.679043][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2451.679361][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2451.679361][ T10] netdev_get_by_index+0x5e/0x80 [ 2451.679361][ T10] fib6_nh_init+0x3d8/0x1580 [ 2451.679361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2451.679361][ T10] ip6_route_add+0x1c/0x140 [ 2451.679361][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2451.679361][ T10] inet6_addr_add+0x4f8/0xa40 [ 2451.679361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.679361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.679361][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.679361][ T10] netlink_unicast+0x449/0x710 [ 2451.679361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.679361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.679361][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.679361][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.679361][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.679361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.679361][ T10] [ 2451.681641][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2451.681641][ T10] netdev_get_by_index+0x5e/0x80 [ 2451.681641][ T10] fib6_nh_init+0x3d8/0x1580 [ 2451.681641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2451.681641][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2451.681641][ T10] ipv6_add_addr+0x411/0x2000 [ 2451.681641][ T10] inet6_addr_add+0x30e/0xa40 [ 2451.681641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.681641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.681641][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.681641][ T10] netlink_unicast+0x449/0x710 [ 2451.681641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.681641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.681641][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.681641][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.681641][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.681641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.681641][ T10] [ 2451.683914][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2451.683914][ T10] netdev_get_by_index+0x5e/0x80 [ 2451.683914][ T10] fib6_nh_init+0x3d8/0x1580 [ 2451.683914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2451.683914][ T10] ip6_route_add+0x1c/0x140 [ 2451.683914][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2451.683914][ T10] addrconf_add_dev+0xe2/0x170 [ 2451.683914][ T10] inet6_addr_add+0x12f/0xa40 [ 2451.683914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2451.683914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.683914][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.683914][ T10] netlink_unicast+0x449/0x710 [ 2451.683914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.683914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.683914][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.683914][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.683914][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.683914][ T10] [ 2451.686153][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2451.686153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2451.686153][ T10] ipv6_find_idev+0x102/0x170 [ 2451.686153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.686153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.686153][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.686153][ T10] netlink_unicast+0x449/0x710 [ 2451.686153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.686153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.686153][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.686153][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.686153][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.686153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.686153][ T10] [ 2451.687909][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2451.687909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2451.687909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2451.687909][ T10] ipv6_find_idev+0x102/0x170 [ 2451.687909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2451.687909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.687909][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.687909][ T10] netlink_unicast+0x449/0x710 [ 2451.687909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.687909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.687909][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.687909][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.687909][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.687909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.687909][ T10] [ 2451.689847][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2451.690164][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2451.690164][ T10] vlan_dev_init+0x97c/0xdd0 [ 2451.690164][ T10] register_netdevice+0x4d3/0x1690 [ 2451.690164][ T10] register_vlan_dev+0x162/0x4a0 [ 2451.690164][ T10] vlan_newlink+0x393/0x610 [ 2451.690164][ T10] rtnl_newlink_create+0x341/0x850 [ 2451.690164][ T10] __rtnl_newlink+0xac9/0xd80 [ 2451.690164][ T10] rtnl_newlink+0x63/0xa0 [ 2451.690164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2451.690164][ T10] netlink_rcv_skb+0x130/0x360 [ 2451.690164][ T10] netlink_unicast+0x449/0x710 [ 2451.690164][ T10] netlink_sendmsg+0x723/0xbe0 [ 2451.690164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2451.690164][ T10] ___sys_sendmsg+0xee/0x170 [ 2451.690164][ T10] __sys_sendmsg+0xcd/0x170 [ 2451.690164][ T10] do_syscall_64+0xc6/0x1e0 [ 2451.690164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2451.690164][ T10] [ 2461.939931][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2461.940451][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2461.940451][ T10] netdev_get_by_index+0x5e/0x80 [ 2461.940451][ T10] fib6_nh_init+0x3d8/0x1580 [ 2461.940451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2461.940451][ T10] ip6_route_add+0x1c/0x140 [ 2461.940451][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2461.940451][ T10] inet6_addr_add+0x4f8/0xa40 [ 2461.940451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.940451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.940451][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.940451][ T10] netlink_unicast+0x449/0x710 [ 2461.940451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.940451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.940451][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.940451][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.940451][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.940451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.940451][ T10] [ 2461.942727][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2461.942727][ T10] netdev_get_by_index+0x5e/0x80 [ 2461.942727][ T10] fib6_nh_init+0x3d8/0x1580 [ 2461.942727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2461.942727][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2461.942727][ T10] ipv6_add_addr+0x411/0x2000 [ 2461.942727][ T10] inet6_addr_add+0x30e/0xa40 [ 2461.942727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.942727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.942727][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.942727][ T10] netlink_unicast+0x449/0x710 [ 2461.942727][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.942727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.942727][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.942727][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.942727][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.942727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.942727][ T10] [ 2461.944979][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2461.944979][ T10] netdev_get_by_index+0x5e/0x80 [ 2461.944979][ T10] fib6_nh_init+0x3d8/0x1580 [ 2461.944979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2461.944979][ T10] ip6_route_add+0x1c/0x140 [ 2461.944979][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2461.944979][ T10] addrconf_add_dev+0xe2/0x170 [ 2461.944979][ T10] inet6_addr_add+0x12f/0xa40 [ 2461.944979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.944979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.944979][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.944979][ T10] netlink_unicast+0x449/0x710 [ 2461.944979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.944979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.944979][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.944979][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.944979][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.944979][ T10] [ 2461.947192][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2461.947192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2461.947192][ T10] ipv6_find_idev+0x102/0x170 [ 2461.947192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.947192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.947192][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.947192][ T10] netlink_unicast+0x449/0x710 [ 2461.947192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.947192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.947192][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.947192][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.947192][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.947192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.947192][ T10] [ 2461.948939][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2461.948939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2461.948939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2461.948939][ T10] ipv6_find_idev+0x102/0x170 [ 2461.948939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.948939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.948939][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.948939][ T10] netlink_unicast+0x449/0x710 [ 2461.948939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.948939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.948939][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.948939][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.948939][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.948939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.948939][ T10] [ 2461.950848][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2461.951165][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2461.951165][ T10] netdev_get_by_index+0x5e/0x80 [ 2461.951165][ T10] fib6_nh_init+0x3d8/0x1580 [ 2461.951165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2461.951165][ T10] ip6_route_add+0x1c/0x140 [ 2461.951165][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2461.951165][ T10] inet6_addr_add+0x4f8/0xa40 [ 2461.951165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.951165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.951165][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.951165][ T10] netlink_unicast+0x449/0x710 [ 2461.951165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.951165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.951165][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.951165][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.951165][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.951165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.951165][ T10] [ 2461.953546][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2461.953546][ T10] netdev_get_by_index+0x5e/0x80 [ 2461.953546][ T10] fib6_nh_init+0x3d8/0x1580 [ 2461.953546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2461.953546][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2461.953546][ T10] ipv6_add_addr+0x411/0x2000 [ 2461.953546][ T10] inet6_addr_add+0x30e/0xa40 [ 2461.953546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.953546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.953546][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.953546][ T10] netlink_unicast+0x449/0x710 [ 2461.953546][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.953546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.953546][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.953546][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.953546][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.953546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.953546][ T10] [ 2461.955847][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2461.955847][ T10] netdev_get_by_index+0x5e/0x80 [ 2461.955847][ T10] fib6_nh_init+0x3d8/0x1580 [ 2461.955847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2461.955847][ T10] ip6_route_add+0x1c/0x140 [ 2461.955847][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2461.955847][ T10] addrconf_add_dev+0xe2/0x170 [ 2461.955847][ T10] inet6_addr_add+0x12f/0xa40 [ 2461.955847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.955847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.955847][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.955847][ T10] netlink_unicast+0x449/0x710 [ 2461.955847][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.955847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.955847][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.955847][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.955847][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.955847][ T10] [ 2461.958072][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2461.958072][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2461.958072][ T10] ipv6_find_idev+0x102/0x170 [ 2461.958072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.958072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.958072][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.958072][ T10] netlink_unicast+0x449/0x710 [ 2461.958072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.958072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.958072][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.958072][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.958072][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.958072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.958072][ T10] [ 2461.959793][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2461.959793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2461.959793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2461.959793][ T10] ipv6_find_idev+0x102/0x170 [ 2461.959793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.959793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.959793][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.959793][ T10] netlink_unicast+0x449/0x710 [ 2461.959793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.959793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.959793][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.959793][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.959793][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.959793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.959793][ T10] [ 2461.961703][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2461.962407][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2461.962407][ T10] vlan_dev_init+0x97c/0xdd0 [ 2461.962407][ T10] register_netdevice+0x4d3/0x1690 [ 2461.962407][ T10] register_vlan_dev+0x162/0x4a0 [ 2461.962407][ T10] vlan_newlink+0x393/0x610 [ 2461.962407][ T10] rtnl_newlink_create+0x341/0x850 [ 2461.962407][ T10] __rtnl_newlink+0xac9/0xd80 [ 2461.962407][ T10] rtnl_newlink+0x63/0xa0 [ 2461.962407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.962407][ T10] netlink_rcv_skb+0x130/0x360 [ 2461.962407][ T10] netlink_unicast+0x449/0x710 [ 2461.962407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2461.962407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2461.962407][ T10] ___sys_sendmsg+0xee/0x170 [ 2461.962407][ T10] __sys_sendmsg+0xcd/0x170 [ 2461.962407][ T10] do_syscall_64+0xc6/0x1e0 [ 2461.962407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.962407][ T10] [ 2472.212027][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2472.212550][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2472.212550][ T10] netdev_get_by_index+0x5e/0x80 [ 2472.212550][ T10] fib6_nh_init+0x3d8/0x1580 [ 2472.212550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2472.212550][ T10] ip6_route_add+0x1c/0x140 [ 2472.212550][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2472.212550][ T10] inet6_addr_add+0x4f8/0xa40 [ 2472.212550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.212550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.212550][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.212550][ T10] netlink_unicast+0x449/0x710 [ 2472.212550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.212550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.212550][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.212550][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.212550][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.212550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.212550][ T10] [ 2472.214865][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2472.214865][ T10] netdev_get_by_index+0x5e/0x80 [ 2472.214865][ T10] fib6_nh_init+0x3d8/0x1580 [ 2472.214865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2472.214865][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2472.214865][ T10] ipv6_add_addr+0x411/0x2000 [ 2472.214865][ T10] inet6_addr_add+0x30e/0xa40 [ 2472.214865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.214865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.214865][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.214865][ T10] netlink_unicast+0x449/0x710 [ 2472.214865][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.214865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.214865][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.214865][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.214865][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.214865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.214865][ T10] [ 2472.217139][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2472.217139][ T10] netdev_get_by_index+0x5e/0x80 [ 2472.217139][ T10] fib6_nh_init+0x3d8/0x1580 [ 2472.217139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2472.217139][ T10] ip6_route_add+0x1c/0x140 [ 2472.217139][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2472.217139][ T10] addrconf_add_dev+0xe2/0x170 [ 2472.217139][ T10] inet6_addr_add+0x12f/0xa40 [ 2472.217139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.217139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.217139][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.217139][ T10] netlink_unicast+0x449/0x710 [ 2472.217139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.217139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.217139][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.217139][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.217139][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.217139][ T10] [ 2472.219378][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2472.219378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2472.219378][ T10] ipv6_find_idev+0x102/0x170 [ 2472.219378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.219378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.219378][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.219378][ T10] netlink_unicast+0x449/0x710 [ 2472.219378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.219378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.219378][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.219378][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.219378][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.219378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.219378][ T10] [ 2472.221135][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2472.221135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2472.221135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2472.221135][ T10] ipv6_find_idev+0x102/0x170 [ 2472.221135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.221135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.221135][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.221135][ T10] netlink_unicast+0x449/0x710 [ 2472.221135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.221135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.221135][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.221135][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.221135][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.221135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.221135][ T10] [ 2472.223054][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2472.223361][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2472.223361][ T10] netdev_get_by_index+0x5e/0x80 [ 2472.223361][ T10] fib6_nh_init+0x3d8/0x1580 [ 2472.223361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2472.223361][ T10] ip6_route_add+0x1c/0x140 [ 2472.223361][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2472.223361][ T10] inet6_addr_add+0x4f8/0xa40 [ 2472.223361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.223361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.223361][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.223361][ T10] netlink_unicast+0x449/0x710 [ 2472.223361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.223361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.223361][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.223361][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.223361][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.223361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.223361][ T10] [ 2472.225633][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2472.225633][ T10] netdev_get_by_index+0x5e/0x80 [ 2472.225633][ T10] fib6_nh_init+0x3d8/0x1580 [ 2472.225633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2472.225633][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2472.225633][ T10] ipv6_add_addr+0x411/0x2000 [ 2472.225633][ T10] inet6_addr_add+0x30e/0xa40 [ 2472.225633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.225633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.225633][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.225633][ T10] netlink_unicast+0x449/0x710 [ 2472.225633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.225633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.225633][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.225633][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.225633][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.225633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.225633][ T10] [ 2472.227914][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2472.227914][ T10] netdev_get_by_index+0x5e/0x80 [ 2472.227914][ T10] fib6_nh_init+0x3d8/0x1580 [ 2472.227914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2472.227914][ T10] ip6_route_add+0x1c/0x140 [ 2472.227914][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2472.227914][ T10] addrconf_add_dev+0xe2/0x170 [ 2472.227914][ T10] inet6_addr_add+0x12f/0xa40 [ 2472.227914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.227914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.227914][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.227914][ T10] netlink_unicast+0x449/0x710 [ 2472.227914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.227914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.227914][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.227914][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.227914][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.227914][ T10] [ 2472.230144][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2472.230144][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2472.230144][ T10] ipv6_find_idev+0x102/0x170 [ 2472.230144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.230144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.230144][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.230144][ T10] netlink_unicast+0x449/0x710 [ 2472.230144][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.230144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.230144][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.230144][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.230144][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.230144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.230144][ T10] [ 2472.231896][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2472.231896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2472.231896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2472.231896][ T10] ipv6_find_idev+0x102/0x170 [ 2472.231896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.231896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.231896][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.231896][ T10] netlink_unicast+0x449/0x710 [ 2472.231896][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.231896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.231896][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.231896][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.231896][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.231896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.231896][ T10] [ 2472.233782][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2472.234059][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2472.234059][ T10] vlan_dev_init+0x97c/0xdd0 [ 2472.234059][ T10] register_netdevice+0x4d3/0x1690 [ 2472.234059][ T10] register_vlan_dev+0x162/0x4a0 [ 2472.234059][ T10] vlan_newlink+0x393/0x610 [ 2472.234059][ T10] rtnl_newlink_create+0x341/0x850 [ 2472.234059][ T10] __rtnl_newlink+0xac9/0xd80 [ 2472.234059][ T10] rtnl_newlink+0x63/0xa0 [ 2472.234059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.234059][ T10] netlink_rcv_skb+0x130/0x360 [ 2472.234059][ T10] netlink_unicast+0x449/0x710 [ 2472.234059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2472.234059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2472.234059][ T10] ___sys_sendmsg+0xee/0x170 [ 2472.234059][ T10] __sys_sendmsg+0xcd/0x170 [ 2472.234059][ T10] do_syscall_64+0xc6/0x1e0 [ 2472.234059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.234059][ T10] [ 2482.300075][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2482.300536][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2482.300536][ T10] netdev_get_by_index+0x5e/0x80 [ 2482.300536][ T10] fib6_nh_init+0x3d8/0x1580 [ 2482.300536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2482.300536][ T10] ip6_route_add+0x1c/0x140 [ 2482.300536][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2482.300536][ T10] inet6_addr_add+0x4f8/0xa40 [ 2482.300536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.300536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.300536][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.300536][ T10] netlink_unicast+0x449/0x710 [ 2482.300536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.300536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.300536][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.300536][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.300536][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.300536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.300536][ T10] [ 2482.302851][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2482.302851][ T10] netdev_get_by_index+0x5e/0x80 [ 2482.302851][ T10] fib6_nh_init+0x3d8/0x1580 [ 2482.302851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2482.302851][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2482.302851][ T10] ipv6_add_addr+0x411/0x2000 [ 2482.302851][ T10] inet6_addr_add+0x30e/0xa40 [ 2482.302851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.302851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.302851][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.302851][ T10] netlink_unicast+0x449/0x710 [ 2482.302851][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.302851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.302851][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.302851][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.302851][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.302851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.302851][ T10] [ 2482.305151][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2482.305151][ T10] netdev_get_by_index+0x5e/0x80 [ 2482.305151][ T10] fib6_nh_init+0x3d8/0x1580 [ 2482.305151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2482.305151][ T10] ip6_route_add+0x1c/0x140 [ 2482.305151][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2482.305151][ T10] addrconf_add_dev+0xe2/0x170 [ 2482.305151][ T10] inet6_addr_add+0x12f/0xa40 [ 2482.305151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.305151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.305151][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.305151][ T10] netlink_unicast+0x449/0x710 [ 2482.305151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.305151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.305151][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.305151][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.305151][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.305151][ T10] [ 2482.307392][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2482.307392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2482.307392][ T10] ipv6_find_idev+0x102/0x170 [ 2482.307392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.307392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.307392][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.307392][ T10] netlink_unicast+0x449/0x710 [ 2482.307392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.307392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.307392][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.307392][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.307392][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.307392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.307392][ T10] [ 2482.309146][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2482.309146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2482.309146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2482.309146][ T10] ipv6_find_idev+0x102/0x170 [ 2482.309146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.309146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.309146][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.309146][ T10] netlink_unicast+0x449/0x710 [ 2482.309146][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.309146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.309146][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.309146][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.309146][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.309146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.309146][ T10] [ 2482.311097][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2482.311388][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2482.311388][ T10] netdev_get_by_index+0x5e/0x80 [ 2482.311388][ T10] fib6_nh_init+0x3d8/0x1580 [ 2482.311388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2482.311388][ T10] ip6_route_add+0x1c/0x140 [ 2482.311388][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2482.311388][ T10] inet6_addr_add+0x4f8/0xa40 [ 2482.311388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.311388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.311388][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.311388][ T10] netlink_unicast+0x449/0x710 [ 2482.311388][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.311388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.311388][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.311388][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.311388][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.311388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.311388][ T10] [ 2482.313960][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2482.313960][ T10] netdev_get_by_index+0x5e/0x80 [ 2482.313960][ T10] fib6_nh_init+0x3d8/0x1580 [ 2482.313960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2482.313960][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2482.313960][ T10] ipv6_add_addr+0x411/0x2000 [ 2482.313960][ T10] inet6_addr_add+0x30e/0xa40 [ 2482.313960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.313960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.313960][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.313960][ T10] netlink_unicast+0x449/0x710 [ 2482.313960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.313960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.313960][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.313960][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.313960][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.313960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.313960][ T10] [ 2482.316241][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2482.316241][ T10] netdev_get_by_index+0x5e/0x80 [ 2482.316241][ T10] fib6_nh_init+0x3d8/0x1580 [ 2482.316241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2482.316241][ T10] ip6_route_add+0x1c/0x140 [ 2482.316241][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2482.316241][ T10] addrconf_add_dev+0xe2/0x170 [ 2482.316241][ T10] inet6_addr_add+0x12f/0xa40 [ 2482.316241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.316241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.316241][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.316241][ T10] netlink_unicast+0x449/0x710 [ 2482.316241][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.316241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.316241][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.316241][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.316241][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.316241][ T10] [ 2482.318492][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2482.318492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2482.318492][ T10] ipv6_find_idev+0x102/0x170 [ 2482.318492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.318492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.318492][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.318492][ T10] netlink_unicast+0x449/0x710 [ 2482.318492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.318492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.318492][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.318492][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.318492][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.318492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.318492][ T10] [ 2482.320260][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2482.320260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2482.320260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2482.320260][ T10] ipv6_find_idev+0x102/0x170 [ 2482.320260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.320260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.320260][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.320260][ T10] netlink_unicast+0x449/0x710 [ 2482.320260][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.320260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.320260][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.320260][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.320260][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.320260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.320260][ T10] [ 2482.322191][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2482.322464][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2482.322464][ T10] vlan_dev_init+0x97c/0xdd0 [ 2482.322464][ T10] register_netdevice+0x4d3/0x1690 [ 2482.322464][ T10] register_vlan_dev+0x162/0x4a0 [ 2482.322464][ T10] vlan_newlink+0x393/0x610 [ 2482.322464][ T10] rtnl_newlink_create+0x341/0x850 [ 2482.322464][ T10] __rtnl_newlink+0xac9/0xd80 [ 2482.322464][ T10] rtnl_newlink+0x63/0xa0 [ 2482.322464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.322464][ T10] netlink_rcv_skb+0x130/0x360 [ 2482.322464][ T10] netlink_unicast+0x449/0x710 [ 2482.322464][ T10] netlink_sendmsg+0x723/0xbe0 [ 2482.322464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2482.322464][ T10] ___sys_sendmsg+0xee/0x170 [ 2482.322464][ T10] __sys_sendmsg+0xcd/0x170 [ 2482.322464][ T10] do_syscall_64+0xc6/0x1e0 [ 2482.322464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.322464][ T10] [ 2492.564097][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2492.564611][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2492.564611][ T10] netdev_get_by_index+0x5e/0x80 [ 2492.564611][ T10] fib6_nh_init+0x3d8/0x1580 [ 2492.564611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2492.564611][ T10] ip6_route_add+0x1c/0x140 [ 2492.564611][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2492.564611][ T10] inet6_addr_add+0x4f8/0xa40 [ 2492.564611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.564611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.564611][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.564611][ T10] netlink_unicast+0x449/0x710 [ 2492.564611][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.564611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.564611][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.564611][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.564611][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.564611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.564611][ T10] [ 2492.566916][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2492.566916][ T10] netdev_get_by_index+0x5e/0x80 [ 2492.566916][ T10] fib6_nh_init+0x3d8/0x1580 [ 2492.566916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2492.566916][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2492.566916][ T10] ipv6_add_addr+0x411/0x2000 [ 2492.566916][ T10] inet6_addr_add+0x30e/0xa40 [ 2492.566916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.566916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.566916][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.566916][ T10] netlink_unicast+0x449/0x710 [ 2492.566916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.566916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.566916][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.566916][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.566916][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.566916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.566916][ T10] [ 2492.569240][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2492.569240][ T10] netdev_get_by_index+0x5e/0x80 [ 2492.569240][ T10] fib6_nh_init+0x3d8/0x1580 [ 2492.569240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2492.569240][ T10] ip6_route_add+0x1c/0x140 [ 2492.569240][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2492.569240][ T10] addrconf_add_dev+0xe2/0x170 [ 2492.569240][ T10] inet6_addr_add+0x12f/0xa40 [ 2492.569240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.569240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.569240][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.569240][ T10] netlink_unicast+0x449/0x710 [ 2492.569240][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.569240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.569240][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.569240][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.569240][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.569240][ T10] [ 2492.571486][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2492.571486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2492.571486][ T10] ipv6_find_idev+0x102/0x170 [ 2492.571486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.571486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.571486][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.571486][ T10] netlink_unicast+0x449/0x710 [ 2492.571486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.571486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.571486][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.571486][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.571486][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.571486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.571486][ T10] [ 2492.573232][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2492.573232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2492.573232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2492.573232][ T10] ipv6_find_idev+0x102/0x170 [ 2492.573232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.573232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.573232][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.573232][ T10] netlink_unicast+0x449/0x710 [ 2492.573232][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.573232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.573232][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.573232][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.573232][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.573232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.573232][ T10] [ 2492.575147][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2492.575448][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2492.575448][ T10] netdev_get_by_index+0x5e/0x80 [ 2492.575448][ T10] fib6_nh_init+0x3d8/0x1580 [ 2492.575448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2492.575448][ T10] ip6_route_add+0x1c/0x140 [ 2492.575448][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2492.575448][ T10] inet6_addr_add+0x4f8/0xa40 [ 2492.575448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.575448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.575448][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.575448][ T10] netlink_unicast+0x449/0x710 [ 2492.575448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.575448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.575448][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.575448][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.575448][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.575448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.575448][ T10] [ 2492.577738][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2492.577738][ T10] netdev_get_by_index+0x5e/0x80 [ 2492.577738][ T10] fib6_nh_init+0x3d8/0x1580 [ 2492.577738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2492.577738][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2492.577738][ T10] ipv6_add_addr+0x411/0x2000 [ 2492.577738][ T10] inet6_addr_add+0x30e/0xa40 [ 2492.577738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.577738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.577738][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.577738][ T10] netlink_unicast+0x449/0x710 [ 2492.577738][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.577738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.577738][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.577738][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.577738][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.577738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.577738][ T10] [ 2492.579967][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2492.579967][ T10] netdev_get_by_index+0x5e/0x80 [ 2492.579967][ T10] fib6_nh_init+0x3d8/0x1580 [ 2492.579967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2492.579967][ T10] ip6_route_add+0x1c/0x140 [ 2492.579967][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2492.579967][ T10] addrconf_add_dev+0xe2/0x170 [ 2492.579967][ T10] inet6_addr_add+0x12f/0xa40 [ 2492.579967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.579967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.579967][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.579967][ T10] netlink_unicast+0x449/0x710 [ 2492.579967][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.579967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.579967][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.579967][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.579967][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.579967][ T10] [ 2492.582187][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2492.582187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2492.582187][ T10] ipv6_find_idev+0x102/0x170 [ 2492.582187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.582187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.582187][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.582187][ T10] netlink_unicast+0x449/0x710 [ 2492.582187][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.582187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.582187][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.582187][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.582187][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.582187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.582187][ T10] [ 2492.583920][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2492.583920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2492.583920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2492.583920][ T10] ipv6_find_idev+0x102/0x170 [ 2492.583920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.583920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.583920][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.583920][ T10] netlink_unicast+0x449/0x710 [ 2492.583920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.583920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.583920][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.583920][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.583920][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.583920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.583920][ T10] [ 2492.585812][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2492.586094][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2492.586094][ T10] vlan_dev_init+0x97c/0xdd0 [ 2492.586094][ T10] register_netdevice+0x4d3/0x1690 [ 2492.586094][ T10] register_vlan_dev+0x162/0x4a0 [ 2492.586094][ T10] vlan_newlink+0x393/0x610 [ 2492.586094][ T10] rtnl_newlink_create+0x341/0x850 [ 2492.586094][ T10] __rtnl_newlink+0xac9/0xd80 [ 2492.586094][ T10] rtnl_newlink+0x63/0xa0 [ 2492.586094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.586094][ T10] netlink_rcv_skb+0x130/0x360 [ 2492.586094][ T10] netlink_unicast+0x449/0x710 [ 2492.586094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2492.586094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2492.586094][ T10] ___sys_sendmsg+0xee/0x170 [ 2492.586094][ T10] __sys_sendmsg+0xcd/0x170 [ 2492.586094][ T10] do_syscall_64+0xc6/0x1e0 [ 2492.586094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.586094][ T10] [ 2502.828064][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2502.828605][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2502.828605][ T10] netdev_get_by_index+0x5e/0x80 [ 2502.828605][ T10] fib6_nh_init+0x3d8/0x1580 [ 2502.828605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2502.828605][ T10] ip6_route_add+0x1c/0x140 [ 2502.828605][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2502.828605][ T10] inet6_addr_add+0x4f8/0xa40 [ 2502.828605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.828605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.828605][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.828605][ T10] netlink_unicast+0x449/0x710 [ 2502.828605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.828605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.828605][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.828605][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.828605][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.828605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.828605][ T10] [ 2502.830895][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2502.830895][ T10] netdev_get_by_index+0x5e/0x80 [ 2502.830895][ T10] fib6_nh_init+0x3d8/0x1580 [ 2502.830895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2502.830895][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2502.830895][ T10] ipv6_add_addr+0x411/0x2000 [ 2502.830895][ T10] inet6_addr_add+0x30e/0xa40 [ 2502.830895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.830895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.830895][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.830895][ T10] netlink_unicast+0x449/0x710 [ 2502.830895][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.830895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.830895][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.830895][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.830895][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.830895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.830895][ T10] [ 2502.833181][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2502.833181][ T10] netdev_get_by_index+0x5e/0x80 [ 2502.833181][ T10] fib6_nh_init+0x3d8/0x1580 [ 2502.833181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2502.833181][ T10] ip6_route_add+0x1c/0x140 [ 2502.833181][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2502.833181][ T10] addrconf_add_dev+0xe2/0x170 [ 2502.833181][ T10] inet6_addr_add+0x12f/0xa40 [ 2502.833181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.833181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.833181][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.833181][ T10] netlink_unicast+0x449/0x710 [ 2502.833181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.833181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.833181][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.833181][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.833181][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.833181][ T10] [ 2502.835432][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2502.835432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2502.835432][ T10] ipv6_find_idev+0x102/0x170 [ 2502.835432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.835432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.835432][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.835432][ T10] netlink_unicast+0x449/0x710 [ 2502.835432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.835432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.835432][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.835432][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.835432][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.835432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.835432][ T10] [ 2502.837178][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2502.837178][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2502.837178][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2502.837178][ T10] ipv6_find_idev+0x102/0x170 [ 2502.837178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.837178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.837178][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.837178][ T10] netlink_unicast+0x449/0x710 [ 2502.837178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.837178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.837178][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.837178][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.837178][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.837178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.837178][ T10] [ 2502.839108][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2502.839413][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2502.839413][ T10] netdev_get_by_index+0x5e/0x80 [ 2502.839413][ T10] fib6_nh_init+0x3d8/0x1580 [ 2502.839413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2502.839413][ T10] ip6_route_add+0x1c/0x140 [ 2502.839413][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2502.839413][ T10] inet6_addr_add+0x4f8/0xa40 [ 2502.839413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.839413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.839413][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.839413][ T10] netlink_unicast+0x449/0x710 [ 2502.839413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.839413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.839413][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.839413][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.839413][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.839413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.839413][ T10] [ 2502.841694][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2502.841694][ T10] netdev_get_by_index+0x5e/0x80 [ 2502.841694][ T10] fib6_nh_init+0x3d8/0x1580 [ 2502.841694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2502.841694][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2502.841694][ T10] ipv6_add_addr+0x411/0x2000 [ 2502.841694][ T10] inet6_addr_add+0x30e/0xa40 [ 2502.841694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.841694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.841694][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.841694][ T10] netlink_unicast+0x449/0x710 [ 2502.841694][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.841694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.841694][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.841694][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.841694][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.841694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.841694][ T10] [ 2502.843947][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2502.843947][ T10] netdev_get_by_index+0x5e/0x80 [ 2502.843947][ T10] fib6_nh_init+0x3d8/0x1580 [ 2502.843947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2502.843947][ T10] ip6_route_add+0x1c/0x140 [ 2502.843947][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2502.843947][ T10] addrconf_add_dev+0xe2/0x170 [ 2502.843947][ T10] inet6_addr_add+0x12f/0xa40 [ 2502.843947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.843947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.843947][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.843947][ T10] netlink_unicast+0x449/0x710 [ 2502.843947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.843947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.843947][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.843947][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.843947][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.843947][ T10] [ 2502.846171][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2502.846171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2502.846171][ T10] ipv6_find_idev+0x102/0x170 [ 2502.846171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.846171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.846171][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.846171][ T10] netlink_unicast+0x449/0x710 [ 2502.846171][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.846171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.846171][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.846171][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.846171][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.846171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.846171][ T10] [ 2502.847908][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2502.847908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2502.847908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2502.847908][ T10] ipv6_find_idev+0x102/0x170 [ 2502.847908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2502.847908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.847908][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.847908][ T10] netlink_unicast+0x449/0x710 [ 2502.847908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.847908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.847908][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.847908][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.847908][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.847908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.847908][ T10] [ 2502.849802][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2502.850076][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2502.850076][ T10] vlan_dev_init+0x97c/0xdd0 [ 2502.850076][ T10] register_netdevice+0x4d3/0x1690 [ 2502.850076][ T10] register_vlan_dev+0x162/0x4a0 [ 2502.850076][ T10] vlan_newlink+0x393/0x610 [ 2502.850076][ T10] rtnl_newlink_create+0x341/0x850 [ 2502.850076][ T10] __rtnl_newlink+0xac9/0xd80 [ 2502.850076][ T10] rtnl_newlink+0x63/0xa0 [ 2502.850076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.850076][ T10] netlink_rcv_skb+0x130/0x360 [ 2502.850076][ T10] netlink_unicast+0x449/0x710 [ 2502.850076][ T10] netlink_sendmsg+0x723/0xbe0 [ 2502.850076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2502.850076][ T10] ___sys_sendmsg+0xee/0x170 [ 2502.850076][ T10] __sys_sendmsg+0xcd/0x170 [ 2502.850076][ T10] do_syscall_64+0xc6/0x1e0 [ 2502.850076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.850076][ T10] [ 2512.891967][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2512.892618][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2512.892618][ T10] netdev_get_by_index+0x5e/0x80 [ 2512.892618][ T10] fib6_nh_init+0x3d8/0x1580 [ 2512.892618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2512.892618][ T10] ip6_route_add+0x1c/0x140 [ 2512.892618][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2512.892618][ T10] inet6_addr_add+0x4f8/0xa40 [ 2512.892618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.892618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.892618][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.892618][ T10] netlink_unicast+0x449/0x710 [ 2512.892618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.892618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.892618][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.892618][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.892618][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.892618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.892618][ T10] [ 2512.896006][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2512.896006][ T10] netdev_get_by_index+0x5e/0x80 [ 2512.896006][ T10] fib6_nh_init+0x3d8/0x1580 [ 2512.896006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2512.896006][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2512.896006][ T10] ipv6_add_addr+0x411/0x2000 [ 2512.896006][ T10] inet6_addr_add+0x30e/0xa40 [ 2512.896006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.896006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.896006][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.896006][ T10] netlink_unicast+0x449/0x710 [ 2512.896006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.896006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.896006][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.896006][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.896006][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.896006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.896006][ T10] [ 2512.899482][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2512.899482][ T10] netdev_get_by_index+0x5e/0x80 [ 2512.899482][ T10] fib6_nh_init+0x3d8/0x1580 [ 2512.899482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2512.899482][ T10] ip6_route_add+0x1c/0x140 [ 2512.899482][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2512.899482][ T10] addrconf_add_dev+0xe2/0x170 [ 2512.899482][ T10] inet6_addr_add+0x12f/0xa40 [ 2512.899482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.899482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.899482][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.899482][ T10] netlink_unicast+0x449/0x710 [ 2512.899482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.899482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.899482][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.899482][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.899482][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.899482][ T10] [ 2512.903032][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2512.903032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2512.903032][ T10] ipv6_find_idev+0x102/0x170 [ 2512.903032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.903032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.903032][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.903032][ T10] netlink_unicast+0x449/0x710 [ 2512.903032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.903032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.903032][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.903032][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.903032][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.903032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.903032][ T10] [ 2512.905635][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2512.905635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2512.905635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2512.905635][ T10] ipv6_find_idev+0x102/0x170 [ 2512.905635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.905635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.905635][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.905635][ T10] netlink_unicast+0x449/0x710 [ 2512.905635][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.905635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.905635][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.905635][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.905635][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.905635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.905635][ T10] [ 2512.908599][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2512.909100][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2512.909100][ T10] netdev_get_by_index+0x5e/0x80 [ 2512.909100][ T10] fib6_nh_init+0x3d8/0x1580 [ 2512.909100][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2512.909100][ T10] ip6_route_add+0x1c/0x140 [ 2512.909100][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2512.909100][ T10] inet6_addr_add+0x4f8/0xa40 [ 2512.909100][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.909100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.909100][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.909100][ T10] netlink_unicast+0x449/0x710 [ 2512.909100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.909100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.909100][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.909100][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.909100][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.909100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.909100][ T10] [ 2512.912437][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2512.912437][ T10] netdev_get_by_index+0x5e/0x80 [ 2512.912437][ T10] fib6_nh_init+0x3d8/0x1580 [ 2512.912437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2512.912437][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2512.912437][ T10] ipv6_add_addr+0x411/0x2000 [ 2512.912437][ T10] inet6_addr_add+0x30e/0xa40 [ 2512.912437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.912437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.912437][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.912437][ T10] netlink_unicast+0x449/0x710 [ 2512.912437][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.912437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.912437][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.912437][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.912437][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.912437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.912437][ T10] [ 2512.915740][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2512.915740][ T10] netdev_get_by_index+0x5e/0x80 [ 2512.915740][ T10] fib6_nh_init+0x3d8/0x1580 [ 2512.915740][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2512.915740][ T10] ip6_route_add+0x1c/0x140 [ 2512.915740][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2512.915740][ T10] addrconf_add_dev+0xe2/0x170 [ 2512.915740][ T10] inet6_addr_add+0x12f/0xa40 [ 2512.915740][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.915740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.915740][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.915740][ T10] netlink_unicast+0x449/0x710 [ 2512.915740][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.915740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.915740][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.915740][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.915740][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.915740][ T10] [ 2512.919065][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2512.919065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2512.919065][ T10] ipv6_find_idev+0x102/0x170 [ 2512.919065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.919065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.919065][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.919065][ T10] netlink_unicast+0x449/0x710 [ 2512.919065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.919065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.919065][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.919065][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.919065][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.919065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.919065][ T10] [ 2512.921784][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2512.921784][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2512.921784][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2512.921784][ T10] ipv6_find_idev+0x102/0x170 [ 2512.921784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.921784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.921784][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.921784][ T10] netlink_unicast+0x449/0x710 [ 2512.921784][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.921784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.921784][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.921784][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.921784][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.921784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.921784][ T10] [ 2512.924725][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2512.925911][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2512.925911][ T10] vlan_dev_init+0x97c/0xdd0 [ 2512.925911][ T10] register_netdevice+0x4d3/0x1690 [ 2512.925911][ T10] register_vlan_dev+0x162/0x4a0 [ 2512.925911][ T10] vlan_newlink+0x393/0x610 [ 2512.925911][ T10] rtnl_newlink_create+0x341/0x850 [ 2512.925911][ T10] __rtnl_newlink+0xac9/0xd80 [ 2512.925911][ T10] rtnl_newlink+0x63/0xa0 [ 2512.925911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.925911][ T10] netlink_rcv_skb+0x130/0x360 [ 2512.925911][ T10] netlink_unicast+0x449/0x710 [ 2512.925911][ T10] netlink_sendmsg+0x723/0xbe0 [ 2512.925911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2512.925911][ T10] ___sys_sendmsg+0xee/0x170 [ 2512.925911][ T10] __sys_sendmsg+0xcd/0x170 [ 2512.925911][ T10] do_syscall_64+0xc6/0x1e0 [ 2512.925911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.925911][ T10] [ 2523.164023][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2523.164532][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2523.164532][ T10] netdev_get_by_index+0x5e/0x80 [ 2523.164532][ T10] fib6_nh_init+0x3d8/0x1580 [ 2523.164532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2523.164532][ T10] ip6_route_add+0x1c/0x140 [ 2523.164532][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2523.164532][ T10] inet6_addr_add+0x4f8/0xa40 [ 2523.164532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.164532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.164532][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.164532][ T10] netlink_unicast+0x449/0x710 [ 2523.164532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.164532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.164532][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.164532][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.164532][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.164532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.164532][ T10] [ 2523.166826][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2523.166826][ T10] netdev_get_by_index+0x5e/0x80 [ 2523.166826][ T10] fib6_nh_init+0x3d8/0x1580 [ 2523.166826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2523.166826][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2523.166826][ T10] ipv6_add_addr+0x411/0x2000 [ 2523.166826][ T10] inet6_addr_add+0x30e/0xa40 [ 2523.166826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.166826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.166826][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.166826][ T10] netlink_unicast+0x449/0x710 [ 2523.166826][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.166826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.166826][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.166826][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.166826][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.166826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.166826][ T10] [ 2523.169075][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2523.169075][ T10] netdev_get_by_index+0x5e/0x80 [ 2523.169075][ T10] fib6_nh_init+0x3d8/0x1580 [ 2523.169075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2523.169075][ T10] ip6_route_add+0x1c/0x140 [ 2523.169075][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2523.169075][ T10] addrconf_add_dev+0xe2/0x170 [ 2523.169075][ T10] inet6_addr_add+0x12f/0xa40 [ 2523.169075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.169075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.169075][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.169075][ T10] netlink_unicast+0x449/0x710 [ 2523.169075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.169075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.169075][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.169075][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.169075][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.169075][ T10] [ 2523.171295][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2523.171295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2523.171295][ T10] ipv6_find_idev+0x102/0x170 [ 2523.171295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.171295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.171295][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.171295][ T10] netlink_unicast+0x449/0x710 [ 2523.171295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.171295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.171295][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.171295][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.171295][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.171295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.171295][ T10] [ 2523.173044][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2523.173044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2523.173044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2523.173044][ T10] ipv6_find_idev+0x102/0x170 [ 2523.173044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.173044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.173044][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.173044][ T10] netlink_unicast+0x449/0x710 [ 2523.173044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.173044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.173044][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.173044][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.173044][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.173044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.173044][ T10] [ 2523.174969][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2523.175275][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2523.175275][ T10] netdev_get_by_index+0x5e/0x80 [ 2523.175275][ T10] fib6_nh_init+0x3d8/0x1580 [ 2523.175275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2523.175275][ T10] ip6_route_add+0x1c/0x140 [ 2523.175275][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2523.175275][ T10] inet6_addr_add+0x4f8/0xa40 [ 2523.175275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.175275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.175275][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.175275][ T10] netlink_unicast+0x449/0x710 [ 2523.175275][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.175275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.175275][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.175275][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.175275][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.175275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.175275][ T10] [ 2523.177532][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2523.177532][ T10] netdev_get_by_index+0x5e/0x80 [ 2523.177532][ T10] fib6_nh_init+0x3d8/0x1580 [ 2523.177532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2523.177532][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2523.177532][ T10] ipv6_add_addr+0x411/0x2000 [ 2523.177532][ T10] inet6_addr_add+0x30e/0xa40 [ 2523.177532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.177532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.177532][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.177532][ T10] netlink_unicast+0x449/0x710 [ 2523.177532][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.177532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.177532][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.177532][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.177532][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.177532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.177532][ T10] [ 2523.179798][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2523.179798][ T10] netdev_get_by_index+0x5e/0x80 [ 2523.179798][ T10] fib6_nh_init+0x3d8/0x1580 [ 2523.179798][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2523.179798][ T10] ip6_route_add+0x1c/0x140 [ 2523.179798][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2523.179798][ T10] addrconf_add_dev+0xe2/0x170 [ 2523.179798][ T10] inet6_addr_add+0x12f/0xa40 [ 2523.179798][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.179798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.179798][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.179798][ T10] netlink_unicast+0x449/0x710 [ 2523.179798][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.179798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.179798][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.179798][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.179798][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.179798][ T10] [ 2523.182109][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2523.182109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2523.182109][ T10] ipv6_find_idev+0x102/0x170 [ 2523.182109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.182109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.182109][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.182109][ T10] netlink_unicast+0x449/0x710 [ 2523.182109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.182109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.182109][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.182109][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.182109][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.182109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.182109][ T10] [ 2523.184003][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2523.184003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2523.184003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2523.184003][ T10] ipv6_find_idev+0x102/0x170 [ 2523.184003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.184003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.184003][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.184003][ T10] netlink_unicast+0x449/0x710 [ 2523.184003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.184003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.184003][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.184003][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.184003][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.184003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.184003][ T10] [ 2523.186063][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2523.186343][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2523.186343][ T10] vlan_dev_init+0x97c/0xdd0 [ 2523.186343][ T10] register_netdevice+0x4d3/0x1690 [ 2523.186343][ T10] register_vlan_dev+0x162/0x4a0 [ 2523.186343][ T10] vlan_newlink+0x393/0x610 [ 2523.186343][ T10] rtnl_newlink_create+0x341/0x850 [ 2523.186343][ T10] __rtnl_newlink+0xac9/0xd80 [ 2523.186343][ T10] rtnl_newlink+0x63/0xa0 [ 2523.186343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.186343][ T10] netlink_rcv_skb+0x130/0x360 [ 2523.186343][ T10] netlink_unicast+0x449/0x710 [ 2523.186343][ T10] netlink_sendmsg+0x723/0xbe0 [ 2523.186343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2523.186343][ T10] ___sys_sendmsg+0xee/0x170 [ 2523.186343][ T10] __sys_sendmsg+0xcd/0x170 [ 2523.186343][ T10] do_syscall_64+0xc6/0x1e0 [ 2523.186343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.186343][ T10] [ 2533.428044][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2533.428546][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2533.428546][ T10] netdev_get_by_index+0x5e/0x80 [ 2533.428546][ T10] fib6_nh_init+0x3d8/0x1580 [ 2533.428546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2533.428546][ T10] ip6_route_add+0x1c/0x140 [ 2533.428546][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2533.428546][ T10] inet6_addr_add+0x4f8/0xa40 [ 2533.428546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.428546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.428546][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.428546][ T10] netlink_unicast+0x449/0x710 [ 2533.428546][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.428546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.428546][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.428546][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.428546][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.428546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.428546][ T10] [ 2533.430856][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2533.430856][ T10] netdev_get_by_index+0x5e/0x80 [ 2533.430856][ T10] fib6_nh_init+0x3d8/0x1580 [ 2533.430856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2533.430856][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2533.430856][ T10] ipv6_add_addr+0x411/0x2000 [ 2533.430856][ T10] inet6_addr_add+0x30e/0xa40 [ 2533.430856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.430856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.430856][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.430856][ T10] netlink_unicast+0x449/0x710 [ 2533.430856][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.430856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.430856][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.430856][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.430856][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.430856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.430856][ T10] [ 2533.433127][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2533.433127][ T10] netdev_get_by_index+0x5e/0x80 [ 2533.433127][ T10] fib6_nh_init+0x3d8/0x1580 [ 2533.433127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2533.433127][ T10] ip6_route_add+0x1c/0x140 [ 2533.433127][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2533.433127][ T10] addrconf_add_dev+0xe2/0x170 [ 2533.433127][ T10] inet6_addr_add+0x12f/0xa40 [ 2533.433127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.433127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.433127][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.433127][ T10] netlink_unicast+0x449/0x710 [ 2533.433127][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.433127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.433127][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.433127][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.433127][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.433127][ T10] [ 2533.435343][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2533.435343][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2533.435343][ T10] ipv6_find_idev+0x102/0x170 [ 2533.435343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.435343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.435343][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.435343][ T10] netlink_unicast+0x449/0x710 [ 2533.435343][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.435343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.435343][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.435343][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.435343][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.435343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.435343][ T10] [ 2533.437083][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2533.437083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2533.437083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2533.437083][ T10] ipv6_find_idev+0x102/0x170 [ 2533.437083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.437083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.437083][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.437083][ T10] netlink_unicast+0x449/0x710 [ 2533.437083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.437083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.437083][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.437083][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.437083][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.437083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.437083][ T10] [ 2533.438990][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2533.439288][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2533.439288][ T10] netdev_get_by_index+0x5e/0x80 [ 2533.439288][ T10] fib6_nh_init+0x3d8/0x1580 [ 2533.439288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2533.439288][ T10] ip6_route_add+0x1c/0x140 [ 2533.439288][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2533.439288][ T10] inet6_addr_add+0x4f8/0xa40 [ 2533.439288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.439288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.439288][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.439288][ T10] netlink_unicast+0x449/0x710 [ 2533.439288][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.439288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.439288][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.439288][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.439288][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.439288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.439288][ T10] [ 2533.441553][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2533.441553][ T10] netdev_get_by_index+0x5e/0x80 [ 2533.441553][ T10] fib6_nh_init+0x3d8/0x1580 [ 2533.441553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2533.441553][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2533.441553][ T10] ipv6_add_addr+0x411/0x2000 [ 2533.441553][ T10] inet6_addr_add+0x30e/0xa40 [ 2533.441553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.441553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.441553][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.441553][ T10] netlink_unicast+0x449/0x710 [ 2533.441553][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.441553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.441553][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.441553][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.441553][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.441553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.441553][ T10] [ 2533.443813][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2533.443813][ T10] netdev_get_by_index+0x5e/0x80 [ 2533.443813][ T10] fib6_nh_init+0x3d8/0x1580 [ 2533.443813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2533.443813][ T10] ip6_route_add+0x1c/0x140 [ 2533.443813][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2533.443813][ T10] addrconf_add_dev+0xe2/0x170 [ 2533.443813][ T10] inet6_addr_add+0x12f/0xa40 [ 2533.443813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.443813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.443813][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.443813][ T10] netlink_unicast+0x449/0x710 [ 2533.443813][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.443813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.443813][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.443813][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.443813][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.443813][ T10] [ 2533.446131][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2533.446131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2533.446131][ T10] ipv6_find_idev+0x102/0x170 [ 2533.446131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.446131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.446131][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.446131][ T10] netlink_unicast+0x449/0x710 [ 2533.446131][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.446131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.446131][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.446131][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.446131][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.446131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.446131][ T10] [ 2533.448026][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2533.448026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2533.448026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2533.448026][ T10] ipv6_find_idev+0x102/0x170 [ 2533.448026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.448026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.448026][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.448026][ T10] netlink_unicast+0x449/0x710 [ 2533.448026][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.448026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.448026][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.448026][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.448026][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.448026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.448026][ T10] [ 2533.450103][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2533.450392][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2533.450392][ T10] vlan_dev_init+0x97c/0xdd0 [ 2533.450392][ T10] register_netdevice+0x4d3/0x1690 [ 2533.450392][ T10] register_vlan_dev+0x162/0x4a0 [ 2533.450392][ T10] vlan_newlink+0x393/0x610 [ 2533.450392][ T10] rtnl_newlink_create+0x341/0x850 [ 2533.450392][ T10] __rtnl_newlink+0xac9/0xd80 [ 2533.450392][ T10] rtnl_newlink+0x63/0xa0 [ 2533.450392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.450392][ T10] netlink_rcv_skb+0x130/0x360 [ 2533.450392][ T10] netlink_unicast+0x449/0x710 [ 2533.450392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2533.450392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2533.450392][ T10] ___sys_sendmsg+0xee/0x170 [ 2533.450392][ T10] __sys_sendmsg+0xcd/0x170 [ 2533.450392][ T10] do_syscall_64+0xc6/0x1e0 [ 2533.450392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.450392][ T10] [ 2543.691974][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2543.692487][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2543.692487][ T10] netdev_get_by_index+0x5e/0x80 [ 2543.692487][ T10] fib6_nh_init+0x3d8/0x1580 [ 2543.692487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2543.692487][ T10] ip6_route_add+0x1c/0x140 [ 2543.692487][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2543.692487][ T10] inet6_addr_add+0x4f8/0xa40 [ 2543.692487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.692487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.692487][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.692487][ T10] netlink_unicast+0x449/0x710 [ 2543.692487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.692487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.692487][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.692487][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.692487][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.692487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.692487][ T10] [ 2543.694769][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2543.694769][ T10] netdev_get_by_index+0x5e/0x80 [ 2543.694769][ T10] fib6_nh_init+0x3d8/0x1580 [ 2543.694769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2543.694769][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2543.694769][ T10] ipv6_add_addr+0x411/0x2000 [ 2543.694769][ T10] inet6_addr_add+0x30e/0xa40 [ 2543.694769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.694769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.694769][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.694769][ T10] netlink_unicast+0x449/0x710 [ 2543.694769][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.694769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.694769][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.694769][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.694769][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.694769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.694769][ T10] [ 2543.697038][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2543.697038][ T10] netdev_get_by_index+0x5e/0x80 [ 2543.697038][ T10] fib6_nh_init+0x3d8/0x1580 [ 2543.697038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2543.697038][ T10] ip6_route_add+0x1c/0x140 [ 2543.697038][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2543.697038][ T10] addrconf_add_dev+0xe2/0x170 [ 2543.697038][ T10] inet6_addr_add+0x12f/0xa40 [ 2543.697038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.697038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.697038][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.697038][ T10] netlink_unicast+0x449/0x710 [ 2543.697038][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.697038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.697038][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.697038][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.697038][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.697038][ T10] [ 2543.699264][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2543.699264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2543.699264][ T10] ipv6_find_idev+0x102/0x170 [ 2543.699264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.699264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.699264][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.699264][ T10] netlink_unicast+0x449/0x710 [ 2543.699264][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.699264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.699264][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.699264][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.699264][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.699264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.699264][ T10] [ 2543.701014][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2543.701014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2543.701014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2543.701014][ T10] ipv6_find_idev+0x102/0x170 [ 2543.701014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.701014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.701014][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.701014][ T10] netlink_unicast+0x449/0x710 [ 2543.701014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.701014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.701014][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.701014][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.701014][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.701014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.701014][ T10] [ 2543.702936][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2543.703235][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2543.703235][ T10] netdev_get_by_index+0x5e/0x80 [ 2543.703235][ T10] fib6_nh_init+0x3d8/0x1580 [ 2543.703235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2543.703235][ T10] ip6_route_add+0x1c/0x140 [ 2543.703235][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2543.703235][ T10] inet6_addr_add+0x4f8/0xa40 [ 2543.703235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.703235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.703235][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.703235][ T10] netlink_unicast+0x449/0x710 [ 2543.703235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.703235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.703235][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.703235][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.703235][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.703235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.703235][ T10] [ 2543.705481][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2543.705481][ T10] netdev_get_by_index+0x5e/0x80 [ 2543.705481][ T10] fib6_nh_init+0x3d8/0x1580 [ 2543.705481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2543.705481][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2543.705481][ T10] ipv6_add_addr+0x411/0x2000 [ 2543.705481][ T10] inet6_addr_add+0x30e/0xa40 [ 2543.705481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.705481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.705481][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.705481][ T10] netlink_unicast+0x449/0x710 [ 2543.705481][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.705481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.705481][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.705481][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.705481][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.705481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.705481][ T10] [ 2543.707743][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2543.707743][ T10] netdev_get_by_index+0x5e/0x80 [ 2543.707743][ T10] fib6_nh_init+0x3d8/0x1580 [ 2543.707743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2543.707743][ T10] ip6_route_add+0x1c/0x140 [ 2543.707743][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2543.707743][ T10] addrconf_add_dev+0xe2/0x170 [ 2543.707743][ T10] inet6_addr_add+0x12f/0xa40 [ 2543.707743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.707743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.707743][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.707743][ T10] netlink_unicast+0x449/0x710 [ 2543.707743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.707743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.707743][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.707743][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.707743][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.707743][ T10] [ 2543.710013][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2543.710013][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2543.710013][ T10] ipv6_find_idev+0x102/0x170 [ 2543.710013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.710013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.710013][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.710013][ T10] netlink_unicast+0x449/0x710 [ 2543.710013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.710013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.710013][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.710013][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.710013][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.710013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.710013][ T10] [ 2543.711915][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2543.711915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2543.711915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2543.711915][ T10] ipv6_find_idev+0x102/0x170 [ 2543.711915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.711915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.711915][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.711915][ T10] netlink_unicast+0x449/0x710 [ 2543.711915][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.711915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.711915][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.711915][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.711915][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.711915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.711915][ T10] [ 2543.713970][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2543.714251][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2543.714251][ T10] vlan_dev_init+0x97c/0xdd0 [ 2543.714251][ T10] register_netdevice+0x4d3/0x1690 [ 2543.714251][ T10] register_vlan_dev+0x162/0x4a0 [ 2543.714251][ T10] vlan_newlink+0x393/0x610 [ 2543.714251][ T10] rtnl_newlink_create+0x341/0x850 [ 2543.714251][ T10] __rtnl_newlink+0xac9/0xd80 [ 2543.714251][ T10] rtnl_newlink+0x63/0xa0 [ 2543.714251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.714251][ T10] netlink_rcv_skb+0x130/0x360 [ 2543.714251][ T10] netlink_unicast+0x449/0x710 [ 2543.714251][ T10] netlink_sendmsg+0x723/0xbe0 [ 2543.714251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2543.714251][ T10] ___sys_sendmsg+0xee/0x170 [ 2543.714251][ T10] __sys_sendmsg+0xcd/0x170 [ 2543.714251][ T10] do_syscall_64+0xc6/0x1e0 [ 2543.714251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.714251][ T10] [ 2553.956027][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2553.956568][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2553.956568][ T10] netdev_get_by_index+0x5e/0x80 [ 2553.956568][ T10] fib6_nh_init+0x3d8/0x1580 [ 2553.956568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2553.956568][ T10] ip6_route_add+0x1c/0x140 [ 2553.956568][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2553.956568][ T10] inet6_addr_add+0x4f8/0xa40 [ 2553.956568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.956568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.956568][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.956568][ T10] netlink_unicast+0x449/0x710 [ 2553.956568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.956568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.956568][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.956568][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.956568][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.956568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.956568][ T10] [ 2553.958854][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2553.958854][ T10] netdev_get_by_index+0x5e/0x80 [ 2553.958854][ T10] fib6_nh_init+0x3d8/0x1580 [ 2553.958854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2553.958854][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2553.958854][ T10] ipv6_add_addr+0x411/0x2000 [ 2553.958854][ T10] inet6_addr_add+0x30e/0xa40 [ 2553.958854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.958854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.958854][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.958854][ T10] netlink_unicast+0x449/0x710 [ 2553.958854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.958854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.958854][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.958854][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.958854][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.958854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.958854][ T10] [ 2553.961161][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2553.961161][ T10] netdev_get_by_index+0x5e/0x80 [ 2553.961161][ T10] fib6_nh_init+0x3d8/0x1580 [ 2553.961161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2553.961161][ T10] ip6_route_add+0x1c/0x140 [ 2553.961161][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2553.961161][ T10] addrconf_add_dev+0xe2/0x170 [ 2553.961161][ T10] inet6_addr_add+0x12f/0xa40 [ 2553.961161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.961161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.961161][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.961161][ T10] netlink_unicast+0x449/0x710 [ 2553.961161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.961161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.961161][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.961161][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.961161][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.961161][ T10] [ 2553.963411][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2553.963411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2553.963411][ T10] ipv6_find_idev+0x102/0x170 [ 2553.963411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.963411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.963411][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.963411][ T10] netlink_unicast+0x449/0x710 [ 2553.963411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.963411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.963411][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.963411][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.963411][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.963411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.963411][ T10] [ 2553.965174][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2553.965174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2553.965174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2553.965174][ T10] ipv6_find_idev+0x102/0x170 [ 2553.965174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.965174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.965174][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.965174][ T10] netlink_unicast+0x449/0x710 [ 2553.965174][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.965174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.965174][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.965174][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.965174][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.965174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.965174][ T10] [ 2553.967127][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2553.967422][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2553.967422][ T10] netdev_get_by_index+0x5e/0x80 [ 2553.967422][ T10] fib6_nh_init+0x3d8/0x1580 [ 2553.967422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2553.967422][ T10] ip6_route_add+0x1c/0x140 [ 2553.967422][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2553.967422][ T10] inet6_addr_add+0x4f8/0xa40 [ 2553.967422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.967422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.967422][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.967422][ T10] netlink_unicast+0x449/0x710 [ 2553.967422][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.967422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.967422][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.967422][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.967422][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.967422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.967422][ T10] [ 2553.970245][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2553.970245][ T10] netdev_get_by_index+0x5e/0x80 [ 2553.970245][ T10] fib6_nh_init+0x3d8/0x1580 [ 2553.970245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2553.970245][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2553.970245][ T10] ipv6_add_addr+0x411/0x2000 [ 2553.970245][ T10] inet6_addr_add+0x30e/0xa40 [ 2553.970245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.970245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.970245][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.970245][ T10] netlink_unicast+0x449/0x710 [ 2553.970245][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.970245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.970245][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.970245][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.970245][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.970245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.970245][ T10] [ 2553.972534][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2553.972534][ T10] netdev_get_by_index+0x5e/0x80 [ 2553.972534][ T10] fib6_nh_init+0x3d8/0x1580 [ 2553.972534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2553.972534][ T10] ip6_route_add+0x1c/0x140 [ 2553.972534][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2553.972534][ T10] addrconf_add_dev+0xe2/0x170 [ 2553.972534][ T10] inet6_addr_add+0x12f/0xa40 [ 2553.972534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.972534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.972534][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.972534][ T10] netlink_unicast+0x449/0x710 [ 2553.972534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.972534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.972534][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.972534][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.972534][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.972534][ T10] [ 2553.974777][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2553.974777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2553.974777][ T10] ipv6_find_idev+0x102/0x170 [ 2553.974777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.974777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.974777][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.974777][ T10] netlink_unicast+0x449/0x710 [ 2553.974777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.974777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.974777][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.974777][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.974777][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.974777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.974777][ T10] [ 2553.976528][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2553.976528][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2553.976528][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2553.976528][ T10] ipv6_find_idev+0x102/0x170 [ 2553.976528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.976528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.976528][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.976528][ T10] netlink_unicast+0x449/0x710 [ 2553.976528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.976528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.976528][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.976528][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.976528][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.976528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.976528][ T10] [ 2553.978438][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2553.978703][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2553.978703][ T10] vlan_dev_init+0x97c/0xdd0 [ 2553.978703][ T10] register_netdevice+0x4d3/0x1690 [ 2553.978703][ T10] register_vlan_dev+0x162/0x4a0 [ 2553.978703][ T10] vlan_newlink+0x393/0x610 [ 2553.978703][ T10] rtnl_newlink_create+0x341/0x850 [ 2553.978703][ T10] __rtnl_newlink+0xac9/0xd80 [ 2553.978703][ T10] rtnl_newlink+0x63/0xa0 [ 2553.978703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.978703][ T10] netlink_rcv_skb+0x130/0x360 [ 2553.978703][ T10] netlink_unicast+0x449/0x710 [ 2553.978703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2553.978703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2553.978703][ T10] ___sys_sendmsg+0xee/0x170 [ 2553.978703][ T10] __sys_sendmsg+0xcd/0x170 [ 2553.978703][ T10] do_syscall_64+0xc6/0x1e0 [ 2553.978703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.978703][ T10] [ 2564.220141][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2564.220665][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2564.220665][ T10] netdev_get_by_index+0x5e/0x80 [ 2564.220665][ T10] fib6_nh_init+0x3d8/0x1580 [ 2564.220665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2564.220665][ T10] ip6_route_add+0x1c/0x140 [ 2564.220665][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2564.220665][ T10] inet6_addr_add+0x4f8/0xa40 [ 2564.220665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.220665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.220665][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.220665][ T10] netlink_unicast+0x449/0x710 [ 2564.220665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.220665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.220665][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.220665][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.220665][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.220665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.220665][ T10] [ 2564.222998][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2564.222998][ T10] netdev_get_by_index+0x5e/0x80 [ 2564.222998][ T10] fib6_nh_init+0x3d8/0x1580 [ 2564.222998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2564.222998][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2564.222998][ T10] ipv6_add_addr+0x411/0x2000 [ 2564.222998][ T10] inet6_addr_add+0x30e/0xa40 [ 2564.222998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.222998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.222998][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.222998][ T10] netlink_unicast+0x449/0x710 [ 2564.222998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.222998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.222998][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.222998][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.222998][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.222998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.222998][ T10] [ 2564.225259][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2564.225259][ T10] netdev_get_by_index+0x5e/0x80 [ 2564.225259][ T10] fib6_nh_init+0x3d8/0x1580 [ 2564.225259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2564.225259][ T10] ip6_route_add+0x1c/0x140 [ 2564.225259][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2564.225259][ T10] addrconf_add_dev+0xe2/0x170 [ 2564.225259][ T10] inet6_addr_add+0x12f/0xa40 [ 2564.225259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.225259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.225259][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.225259][ T10] netlink_unicast+0x449/0x710 [ 2564.225259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.225259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.225259][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.225259][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.225259][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.225259][ T10] [ 2564.227501][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2564.227501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2564.227501][ T10] ipv6_find_idev+0x102/0x170 [ 2564.227501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.227501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.227501][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.227501][ T10] netlink_unicast+0x449/0x710 [ 2564.227501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.227501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.227501][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.227501][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.227501][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.227501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.227501][ T10] [ 2564.229265][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2564.229265][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2564.229265][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2564.229265][ T10] ipv6_find_idev+0x102/0x170 [ 2564.229265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.229265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.229265][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.229265][ T10] netlink_unicast+0x449/0x710 [ 2564.229265][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.229265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.229265][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.229265][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.229265][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.229265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.229265][ T10] [ 2564.231191][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2564.231504][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2564.231504][ T10] netdev_get_by_index+0x5e/0x80 [ 2564.231504][ T10] fib6_nh_init+0x3d8/0x1580 [ 2564.231504][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2564.231504][ T10] ip6_route_add+0x1c/0x140 [ 2564.231504][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2564.231504][ T10] inet6_addr_add+0x4f8/0xa40 [ 2564.231504][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.231504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.231504][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.231504][ T10] netlink_unicast+0x449/0x710 [ 2564.231504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.231504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.231504][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.231504][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.231504][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.231504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.231504][ T10] [ 2564.233799][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2564.233799][ T10] netdev_get_by_index+0x5e/0x80 [ 2564.233799][ T10] fib6_nh_init+0x3d8/0x1580 [ 2564.233799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2564.233799][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2564.233799][ T10] ipv6_add_addr+0x411/0x2000 [ 2564.233799][ T10] inet6_addr_add+0x30e/0xa40 [ 2564.233799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.233799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.233799][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.233799][ T10] netlink_unicast+0x449/0x710 [ 2564.233799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.233799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.233799][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.233799][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.233799][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.233799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.233799][ T10] [ 2564.236049][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2564.236049][ T10] netdev_get_by_index+0x5e/0x80 [ 2564.236049][ T10] fib6_nh_init+0x3d8/0x1580 [ 2564.236049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2564.236049][ T10] ip6_route_add+0x1c/0x140 [ 2564.236049][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2564.236049][ T10] addrconf_add_dev+0xe2/0x170 [ 2564.236049][ T10] inet6_addr_add+0x12f/0xa40 [ 2564.236049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.236049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.236049][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.236049][ T10] netlink_unicast+0x449/0x710 [ 2564.236049][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.236049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.236049][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.236049][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.236049][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.236049][ T10] [ 2564.238271][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2564.238271][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2564.238271][ T10] ipv6_find_idev+0x102/0x170 [ 2564.238271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.238271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.238271][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.238271][ T10] netlink_unicast+0x449/0x710 [ 2564.238271][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.238271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.238271][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.238271][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.238271][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.238271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.238271][ T10] [ 2564.240029][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2564.240029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2564.240029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2564.240029][ T10] ipv6_find_idev+0x102/0x170 [ 2564.240029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.240029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.240029][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.240029][ T10] netlink_unicast+0x449/0x710 [ 2564.240029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.240029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.240029][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.240029][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.240029][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.240029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.240029][ T10] [ 2564.241939][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2564.242204][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2564.242204][ T10] vlan_dev_init+0x97c/0xdd0 [ 2564.242204][ T10] register_netdevice+0x4d3/0x1690 [ 2564.242204][ T10] register_vlan_dev+0x162/0x4a0 [ 2564.242204][ T10] vlan_newlink+0x393/0x610 [ 2564.242204][ T10] rtnl_newlink_create+0x341/0x850 [ 2564.242204][ T10] __rtnl_newlink+0xac9/0xd80 [ 2564.242204][ T10] rtnl_newlink+0x63/0xa0 [ 2564.242204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.242204][ T10] netlink_rcv_skb+0x130/0x360 [ 2564.242204][ T10] netlink_unicast+0x449/0x710 [ 2564.242204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2564.242204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2564.242204][ T10] ___sys_sendmsg+0xee/0x170 [ 2564.242204][ T10] __sys_sendmsg+0xcd/0x170 [ 2564.242204][ T10] do_syscall_64+0xc6/0x1e0 [ 2564.242204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.242204][ T10] [ 2574.484057][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2574.484601][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2574.484601][ T10] netdev_get_by_index+0x5e/0x80 [ 2574.484601][ T10] fib6_nh_init+0x3d8/0x1580 [ 2574.484601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2574.484601][ T10] ip6_route_add+0x1c/0x140 [ 2574.484601][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2574.484601][ T10] inet6_addr_add+0x4f8/0xa40 [ 2574.484601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.484601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.484601][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.484601][ T10] netlink_unicast+0x449/0x710 [ 2574.484601][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.484601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.484601][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.484601][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.484601][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.484601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.484601][ T10] [ 2574.486895][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2574.486895][ T10] netdev_get_by_index+0x5e/0x80 [ 2574.486895][ T10] fib6_nh_init+0x3d8/0x1580 [ 2574.486895][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2574.486895][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2574.486895][ T10] ipv6_add_addr+0x411/0x2000 [ 2574.486895][ T10] inet6_addr_add+0x30e/0xa40 [ 2574.486895][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.486895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.486895][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.486895][ T10] netlink_unicast+0x449/0x710 [ 2574.486895][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.486895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.486895][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.486895][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.486895][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.486895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.486895][ T10] [ 2574.489157][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2574.489157][ T10] netdev_get_by_index+0x5e/0x80 [ 2574.489157][ T10] fib6_nh_init+0x3d8/0x1580 [ 2574.489157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2574.489157][ T10] ip6_route_add+0x1c/0x140 [ 2574.489157][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2574.489157][ T10] addrconf_add_dev+0xe2/0x170 [ 2574.489157][ T10] inet6_addr_add+0x12f/0xa40 [ 2574.489157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.489157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.489157][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.489157][ T10] netlink_unicast+0x449/0x710 [ 2574.489157][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.489157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.489157][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.489157][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.489157][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.489157][ T10] [ 2574.491395][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2574.491395][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2574.491395][ T10] ipv6_find_idev+0x102/0x170 [ 2574.491395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.491395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.491395][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.491395][ T10] netlink_unicast+0x449/0x710 [ 2574.491395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.491395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.491395][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.491395][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.491395][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.491395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.491395][ T10] [ 2574.493123][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2574.493123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2574.493123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2574.493123][ T10] ipv6_find_idev+0x102/0x170 [ 2574.493123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.493123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.493123][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.493123][ T10] netlink_unicast+0x449/0x710 [ 2574.493123][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.493123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.493123][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.493123][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.493123][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.493123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.493123][ T10] [ 2574.495035][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2574.495332][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2574.495332][ T10] netdev_get_by_index+0x5e/0x80 [ 2574.495332][ T10] fib6_nh_init+0x3d8/0x1580 [ 2574.495332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2574.495332][ T10] ip6_route_add+0x1c/0x140 [ 2574.495332][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2574.495332][ T10] inet6_addr_add+0x4f8/0xa40 [ 2574.495332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.495332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.495332][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.495332][ T10] netlink_unicast+0x449/0x710 [ 2574.495332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.495332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.495332][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.495332][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.495332][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.495332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.495332][ T10] [ 2574.497609][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2574.497609][ T10] netdev_get_by_index+0x5e/0x80 [ 2574.497609][ T10] fib6_nh_init+0x3d8/0x1580 [ 2574.497609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2574.497609][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2574.497609][ T10] ipv6_add_addr+0x411/0x2000 [ 2574.497609][ T10] inet6_addr_add+0x30e/0xa40 [ 2574.497609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.497609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.497609][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.497609][ T10] netlink_unicast+0x449/0x710 [ 2574.497609][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.497609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.497609][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.497609][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.497609][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.497609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.497609][ T10] [ 2574.499867][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2574.499867][ T10] netdev_get_by_index+0x5e/0x80 [ 2574.499867][ T10] fib6_nh_init+0x3d8/0x1580 [ 2574.499867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2574.499867][ T10] ip6_route_add+0x1c/0x140 [ 2574.499867][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2574.499867][ T10] addrconf_add_dev+0xe2/0x170 [ 2574.499867][ T10] inet6_addr_add+0x12f/0xa40 [ 2574.499867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.499867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.499867][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.499867][ T10] netlink_unicast+0x449/0x710 [ 2574.499867][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.499867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.499867][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.499867][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.499867][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.499867][ T10] [ 2574.502161][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2574.502161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2574.502161][ T10] ipv6_find_idev+0x102/0x170 [ 2574.502161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.502161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.502161][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.502161][ T10] netlink_unicast+0x449/0x710 [ 2574.502161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.502161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.502161][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.502161][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.502161][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.502161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.502161][ T10] [ 2574.503898][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2574.503898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2574.503898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2574.503898][ T10] ipv6_find_idev+0x102/0x170 [ 2574.503898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.503898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.503898][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.503898][ T10] netlink_unicast+0x449/0x710 [ 2574.503898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.503898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.503898][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.503898][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.503898][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.503898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.503898][ T10] [ 2574.505785][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2574.506055][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2574.506055][ T10] vlan_dev_init+0x97c/0xdd0 [ 2574.506055][ T10] register_netdevice+0x4d3/0x1690 [ 2574.506055][ T10] register_vlan_dev+0x162/0x4a0 [ 2574.506055][ T10] vlan_newlink+0x393/0x610 [ 2574.506055][ T10] rtnl_newlink_create+0x341/0x850 [ 2574.506055][ T10] __rtnl_newlink+0xac9/0xd80 [ 2574.506055][ T10] rtnl_newlink+0x63/0xa0 [ 2574.506055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.506055][ T10] netlink_rcv_skb+0x130/0x360 [ 2574.506055][ T10] netlink_unicast+0x449/0x710 [ 2574.506055][ T10] netlink_sendmsg+0x723/0xbe0 [ 2574.506055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2574.506055][ T10] ___sys_sendmsg+0xee/0x170 [ 2574.506055][ T10] __sys_sendmsg+0xcd/0x170 [ 2574.506055][ T10] do_syscall_64+0xc6/0x1e0 [ 2574.506055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.506055][ T10] [ 2584.748053][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2584.748593][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2584.748593][ T10] netdev_get_by_index+0x5e/0x80 [ 2584.748593][ T10] fib6_nh_init+0x3d8/0x1580 [ 2584.748593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2584.748593][ T10] ip6_route_add+0x1c/0x140 [ 2584.748593][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2584.748593][ T10] inet6_addr_add+0x4f8/0xa40 [ 2584.748593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.748593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.748593][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.748593][ T10] netlink_unicast+0x449/0x710 [ 2584.748593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.748593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.748593][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.748593][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.748593][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.748593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.748593][ T10] [ 2584.750905][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2584.750905][ T10] netdev_get_by_index+0x5e/0x80 [ 2584.750905][ T10] fib6_nh_init+0x3d8/0x1580 [ 2584.750905][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2584.750905][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2584.750905][ T10] ipv6_add_addr+0x411/0x2000 [ 2584.750905][ T10] inet6_addr_add+0x30e/0xa40 [ 2584.750905][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.750905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.750905][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.750905][ T10] netlink_unicast+0x449/0x710 [ 2584.750905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.750905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.750905][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.750905][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.750905][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.750905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.750905][ T10] [ 2584.753164][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2584.753164][ T10] netdev_get_by_index+0x5e/0x80 [ 2584.753164][ T10] fib6_nh_init+0x3d8/0x1580 [ 2584.753164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2584.753164][ T10] ip6_route_add+0x1c/0x140 [ 2584.753164][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2584.753164][ T10] addrconf_add_dev+0xe2/0x170 [ 2584.753164][ T10] inet6_addr_add+0x12f/0xa40 [ 2584.753164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.753164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.753164][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.753164][ T10] netlink_unicast+0x449/0x710 [ 2584.753164][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.753164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.753164][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.753164][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.753164][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.753164][ T10] [ 2584.755393][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2584.755393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2584.755393][ T10] ipv6_find_idev+0x102/0x170 [ 2584.755393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.755393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.755393][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.755393][ T10] netlink_unicast+0x449/0x710 [ 2584.755393][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.755393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.755393][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.755393][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.755393][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.755393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.755393][ T10] [ 2584.757134][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2584.757134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2584.757134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2584.757134][ T10] ipv6_find_idev+0x102/0x170 [ 2584.757134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.757134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.757134][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.757134][ T10] netlink_unicast+0x449/0x710 [ 2584.757134][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.757134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.757134][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.757134][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.757134][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.757134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.757134][ T10] [ 2584.759055][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2584.759357][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2584.759357][ T10] netdev_get_by_index+0x5e/0x80 [ 2584.759357][ T10] fib6_nh_init+0x3d8/0x1580 [ 2584.759357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2584.759357][ T10] ip6_route_add+0x1c/0x140 [ 2584.759357][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2584.759357][ T10] inet6_addr_add+0x4f8/0xa40 [ 2584.759357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.759357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.759357][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.759357][ T10] netlink_unicast+0x449/0x710 [ 2584.759357][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.759357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.759357][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.759357][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.759357][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.759357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.759357][ T10] [ 2584.761630][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2584.761630][ T10] netdev_get_by_index+0x5e/0x80 [ 2584.761630][ T10] fib6_nh_init+0x3d8/0x1580 [ 2584.761630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2584.761630][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2584.761630][ T10] ipv6_add_addr+0x411/0x2000 [ 2584.761630][ T10] inet6_addr_add+0x30e/0xa40 [ 2584.761630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.761630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.761630][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.761630][ T10] netlink_unicast+0x449/0x710 [ 2584.761630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.761630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.761630][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.761630][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.761630][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.761630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.761630][ T10] [ 2584.763916][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2584.763916][ T10] netdev_get_by_index+0x5e/0x80 [ 2584.763916][ T10] fib6_nh_init+0x3d8/0x1580 [ 2584.763916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2584.763916][ T10] ip6_route_add+0x1c/0x140 [ 2584.763916][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2584.763916][ T10] addrconf_add_dev+0xe2/0x170 [ 2584.763916][ T10] inet6_addr_add+0x12f/0xa40 [ 2584.763916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.763916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.763916][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.763916][ T10] netlink_unicast+0x449/0x710 [ 2584.763916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.763916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.763916][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.763916][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.763916][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.763916][ T10] [ 2584.766152][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2584.766152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2584.766152][ T10] ipv6_find_idev+0x102/0x170 [ 2584.766152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.766152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.766152][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.766152][ T10] netlink_unicast+0x449/0x710 [ 2584.766152][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.766152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.766152][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.766152][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.766152][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.766152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.766152][ T10] [ 2584.767893][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2584.767893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2584.767893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2584.767893][ T10] ipv6_find_idev+0x102/0x170 [ 2584.767893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.767893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.767893][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.767893][ T10] netlink_unicast+0x449/0x710 [ 2584.767893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.767893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.767893][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.767893][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.767893][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.767893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.767893][ T10] [ 2584.769917][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2584.770193][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2584.770193][ T10] vlan_dev_init+0x97c/0xdd0 [ 2584.770193][ T10] register_netdevice+0x4d3/0x1690 [ 2584.770193][ T10] register_vlan_dev+0x162/0x4a0 [ 2584.770193][ T10] vlan_newlink+0x393/0x610 [ 2584.770193][ T10] rtnl_newlink_create+0x341/0x850 [ 2584.770193][ T10] __rtnl_newlink+0xac9/0xd80 [ 2584.770193][ T10] rtnl_newlink+0x63/0xa0 [ 2584.770193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.770193][ T10] netlink_rcv_skb+0x130/0x360 [ 2584.770193][ T10] netlink_unicast+0x449/0x710 [ 2584.770193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2584.770193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2584.770193][ T10] ___sys_sendmsg+0xee/0x170 [ 2584.770193][ T10] __sys_sendmsg+0xcd/0x170 [ 2584.770193][ T10] do_syscall_64+0xc6/0x1e0 [ 2584.770193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.770193][ T10] [ 2595.012014][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2595.012548][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2595.012548][ T10] netdev_get_by_index+0x5e/0x80 [ 2595.012548][ T10] fib6_nh_init+0x3d8/0x1580 [ 2595.012548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2595.012548][ T10] ip6_route_add+0x1c/0x140 [ 2595.012548][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2595.012548][ T10] inet6_addr_add+0x4f8/0xa40 [ 2595.012548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.012548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.012548][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.012548][ T10] netlink_unicast+0x449/0x710 [ 2595.012548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.012548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.012548][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.012548][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.012548][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.012548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.012548][ T10] [ 2595.014887][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2595.014887][ T10] netdev_get_by_index+0x5e/0x80 [ 2595.014887][ T10] fib6_nh_init+0x3d8/0x1580 [ 2595.014887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2595.014887][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2595.014887][ T10] ipv6_add_addr+0x411/0x2000 [ 2595.014887][ T10] inet6_addr_add+0x30e/0xa40 [ 2595.014887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.014887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.014887][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.014887][ T10] netlink_unicast+0x449/0x710 [ 2595.014887][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.014887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.014887][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.014887][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.014887][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.014887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.014887][ T10] [ 2595.017182][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2595.017182][ T10] netdev_get_by_index+0x5e/0x80 [ 2595.017182][ T10] fib6_nh_init+0x3d8/0x1580 [ 2595.017182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2595.017182][ T10] ip6_route_add+0x1c/0x140 [ 2595.017182][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2595.017182][ T10] addrconf_add_dev+0xe2/0x170 [ 2595.017182][ T10] inet6_addr_add+0x12f/0xa40 [ 2595.017182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.017182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.017182][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.017182][ T10] netlink_unicast+0x449/0x710 [ 2595.017182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.017182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.017182][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.017182][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.017182][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.017182][ T10] [ 2595.019460][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2595.019460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2595.019460][ T10] ipv6_find_idev+0x102/0x170 [ 2595.019460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2595.019460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.019460][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.019460][ T10] netlink_unicast+0x449/0x710 [ 2595.019460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.019460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.019460][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.019460][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.019460][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.019460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.019460][ T10] [ 2595.021244][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2595.021244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2595.021244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2595.021244][ T10] ipv6_find_idev+0x102/0x170 [ 2595.021244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2595.021244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.021244][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.021244][ T10] netlink_unicast+0x449/0x710 [ 2595.021244][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.021244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.021244][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.021244][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.021244][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.021244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.021244][ T10] [ 2595.023167][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2595.023481][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2595.023481][ T10] netdev_get_by_index+0x5e/0x80 [ 2595.023481][ T10] fib6_nh_init+0x3d8/0x1580 [ 2595.023481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2595.023481][ T10] ip6_route_add+0x1c/0x140 [ 2595.023481][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2595.023481][ T10] inet6_addr_add+0x4f8/0xa40 [ 2595.023481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.023481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.023481][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.023481][ T10] netlink_unicast+0x449/0x710 [ 2595.023481][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.023481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.023481][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.023481][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.023481][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.023481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.023481][ T10] [ 2595.025767][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2595.025767][ T10] netdev_get_by_index+0x5e/0x80 [ 2595.025767][ T10] fib6_nh_init+0x3d8/0x1580 [ 2595.025767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2595.025767][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2595.025767][ T10] ipv6_add_addr+0x411/0x2000 [ 2595.025767][ T10] inet6_addr_add+0x30e/0xa40 [ 2595.025767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.025767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.025767][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.025767][ T10] netlink_unicast+0x449/0x710 [ 2595.025767][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.025767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.025767][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.025767][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.025767][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.025767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.025767][ T10] [ 2595.028063][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2595.028063][ T10] netdev_get_by_index+0x5e/0x80 [ 2595.028063][ T10] fib6_nh_init+0x3d8/0x1580 [ 2595.028063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2595.028063][ T10] ip6_route_add+0x1c/0x140 [ 2595.028063][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2595.028063][ T10] addrconf_add_dev+0xe2/0x170 [ 2595.028063][ T10] inet6_addr_add+0x12f/0xa40 [ 2595.028063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.028063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.028063][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.028063][ T10] netlink_unicast+0x449/0x710 [ 2595.028063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.028063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.028063][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.028063][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.028063][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.028063][ T10] [ 2595.030327][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2595.030327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2595.030327][ T10] ipv6_find_idev+0x102/0x170 [ 2595.030327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2595.030327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.030327][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.030327][ T10] netlink_unicast+0x449/0x710 [ 2595.030327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.030327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.030327][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.030327][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.030327][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.030327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.030327][ T10] [ 2595.032082][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2595.032082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2595.032082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2595.032082][ T10] ipv6_find_idev+0x102/0x170 [ 2595.032082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2595.032082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.032082][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.032082][ T10] netlink_unicast+0x449/0x710 [ 2595.032082][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.032082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.032082][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.032082][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.032082][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.032082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.032082][ T10] [ 2595.034010][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2595.034275][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2595.034275][ T10] vlan_dev_init+0x97c/0xdd0 [ 2595.034275][ T10] register_netdevice+0x4d3/0x1690 [ 2595.034275][ T10] register_vlan_dev+0x162/0x4a0 [ 2595.034275][ T10] vlan_newlink+0x393/0x610 [ 2595.034275][ T10] rtnl_newlink_create+0x341/0x850 [ 2595.034275][ T10] __rtnl_newlink+0xac9/0xd80 [ 2595.034275][ T10] rtnl_newlink+0x63/0xa0 [ 2595.034275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.034275][ T10] netlink_rcv_skb+0x130/0x360 [ 2595.034275][ T10] netlink_unicast+0x449/0x710 [ 2595.034275][ T10] netlink_sendmsg+0x723/0xbe0 [ 2595.034275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2595.034275][ T10] ___sys_sendmsg+0xee/0x170 [ 2595.034275][ T10] __sys_sendmsg+0xcd/0x170 [ 2595.034275][ T10] do_syscall_64+0xc6/0x1e0 [ 2595.034275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.034275][ T10] [ 2605.196022][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2605.196540][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2605.196540][ T10] netdev_get_by_index+0x5e/0x80 [ 2605.196540][ T10] fib6_nh_init+0x3d8/0x1580 [ 2605.196540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2605.196540][ T10] ip6_route_add+0x1c/0x140 [ 2605.196540][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2605.196540][ T10] inet6_addr_add+0x4f8/0xa40 [ 2605.196540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.196540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.196540][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.196540][ T10] netlink_unicast+0x449/0x710 [ 2605.196540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.196540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.196540][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.196540][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.196540][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.196540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.196540][ T10] [ 2605.198878][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2605.198878][ T10] netdev_get_by_index+0x5e/0x80 [ 2605.198878][ T10] fib6_nh_init+0x3d8/0x1580 [ 2605.198878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2605.198878][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2605.198878][ T10] ipv6_add_addr+0x411/0x2000 [ 2605.198878][ T10] inet6_addr_add+0x30e/0xa40 [ 2605.198878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.198878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.198878][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.198878][ T10] netlink_unicast+0x449/0x710 [ 2605.198878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.198878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.198878][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.198878][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.198878][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.198878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.198878][ T10] [ 2605.201208][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2605.201208][ T10] netdev_get_by_index+0x5e/0x80 [ 2605.201208][ T10] fib6_nh_init+0x3d8/0x1580 [ 2605.201208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2605.201208][ T10] ip6_route_add+0x1c/0x140 [ 2605.201208][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2605.201208][ T10] addrconf_add_dev+0xe2/0x170 [ 2605.201208][ T10] inet6_addr_add+0x12f/0xa40 [ 2605.201208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.201208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.201208][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.201208][ T10] netlink_unicast+0x449/0x710 [ 2605.201208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.201208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.201208][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.201208][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.201208][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.201208][ T10] [ 2605.203461][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2605.203461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2605.203461][ T10] ipv6_find_idev+0x102/0x170 [ 2605.203461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.203461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.203461][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.203461][ T10] netlink_unicast+0x449/0x710 [ 2605.203461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.203461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.203461][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.203461][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.203461][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.203461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.203461][ T10] [ 2605.205235][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2605.205235][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2605.205235][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2605.205235][ T10] ipv6_find_idev+0x102/0x170 [ 2605.205235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.205235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.205235][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.205235][ T10] netlink_unicast+0x449/0x710 [ 2605.205235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.205235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.205235][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.205235][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.205235][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.205235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.205235][ T10] [ 2605.207185][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2605.207514][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2605.207514][ T10] netdev_get_by_index+0x5e/0x80 [ 2605.207514][ T10] fib6_nh_init+0x3d8/0x1580 [ 2605.207514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2605.207514][ T10] ip6_route_add+0x1c/0x140 [ 2605.207514][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2605.207514][ T10] inet6_addr_add+0x4f8/0xa40 [ 2605.207514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.207514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.207514][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.207514][ T10] netlink_unicast+0x449/0x710 [ 2605.207514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.207514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.207514][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.207514][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.207514][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.207514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.207514][ T10] [ 2605.209815][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2605.209815][ T10] netdev_get_by_index+0x5e/0x80 [ 2605.209815][ T10] fib6_nh_init+0x3d8/0x1580 [ 2605.209815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2605.209815][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2605.209815][ T10] ipv6_add_addr+0x411/0x2000 [ 2605.209815][ T10] inet6_addr_add+0x30e/0xa40 [ 2605.209815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.209815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.209815][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.209815][ T10] netlink_unicast+0x449/0x710 [ 2605.209815][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.209815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.209815][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.209815][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.209815][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.209815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.209815][ T10] [ 2605.212117][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2605.212117][ T10] netdev_get_by_index+0x5e/0x80 [ 2605.212117][ T10] fib6_nh_init+0x3d8/0x1580 [ 2605.212117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2605.212117][ T10] ip6_route_add+0x1c/0x140 [ 2605.212117][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2605.212117][ T10] addrconf_add_dev+0xe2/0x170 [ 2605.212117][ T10] inet6_addr_add+0x12f/0xa40 [ 2605.212117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.212117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.212117][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.212117][ T10] netlink_unicast+0x449/0x710 [ 2605.212117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.212117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.212117][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.212117][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.212117][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.212117][ T10] [ 2605.214382][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2605.214382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2605.214382][ T10] ipv6_find_idev+0x102/0x170 [ 2605.214382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.214382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.214382][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.214382][ T10] netlink_unicast+0x449/0x710 [ 2605.214382][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.214382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.214382][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.214382][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.214382][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.214382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.214382][ T10] [ 2605.216146][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2605.216146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2605.216146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2605.216146][ T10] ipv6_find_idev+0x102/0x170 [ 2605.216146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.216146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.216146][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.216146][ T10] netlink_unicast+0x449/0x710 [ 2605.216146][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.216146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.216146][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.216146][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.216146][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.216146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.216146][ T10] [ 2605.218066][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2605.218348][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2605.218348][ T10] vlan_dev_init+0x97c/0xdd0 [ 2605.218348][ T10] register_netdevice+0x4d3/0x1690 [ 2605.218348][ T10] register_vlan_dev+0x162/0x4a0 [ 2605.218348][ T10] vlan_newlink+0x393/0x610 [ 2605.218348][ T10] rtnl_newlink_create+0x341/0x850 [ 2605.218348][ T10] __rtnl_newlink+0xac9/0xd80 [ 2605.218348][ T10] rtnl_newlink+0x63/0xa0 [ 2605.218348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.218348][ T10] netlink_rcv_skb+0x130/0x360 [ 2605.218348][ T10] netlink_unicast+0x449/0x710 [ 2605.218348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2605.218348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2605.218348][ T10] ___sys_sendmsg+0xee/0x170 [ 2605.218348][ T10] __sys_sendmsg+0xcd/0x170 [ 2605.218348][ T10] do_syscall_64+0xc6/0x1e0 [ 2605.218348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.218348][ T10] [ 2615.468008][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2615.468493][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2615.468493][ T10] netdev_get_by_index+0x5e/0x80 [ 2615.468493][ T10] fib6_nh_init+0x3d8/0x1580 [ 2615.468493][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2615.468493][ T10] ip6_route_add+0x1c/0x140 [ 2615.468493][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2615.468493][ T10] inet6_addr_add+0x4f8/0xa40 [ 2615.468493][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.468493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.468493][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.468493][ T10] netlink_unicast+0x449/0x710 [ 2615.468493][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.468493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.468493][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.468493][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.468493][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.468493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.468493][ T10] [ 2615.470572][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2615.470572][ T10] netdev_get_by_index+0x5e/0x80 [ 2615.470572][ T10] fib6_nh_init+0x3d8/0x1580 [ 2615.470572][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2615.470572][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2615.470572][ T10] ipv6_add_addr+0x411/0x2000 [ 2615.470572][ T10] inet6_addr_add+0x30e/0xa40 [ 2615.470572][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.470572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.470572][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.470572][ T10] netlink_unicast+0x449/0x710 [ 2615.470572][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.470572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.470572][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.470572][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.470572][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.470572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.470572][ T10] [ 2615.472592][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2615.472592][ T10] netdev_get_by_index+0x5e/0x80 [ 2615.472592][ T10] fib6_nh_init+0x3d8/0x1580 [ 2615.472592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2615.472592][ T10] ip6_route_add+0x1c/0x140 [ 2615.472592][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2615.472592][ T10] addrconf_add_dev+0xe2/0x170 [ 2615.472592][ T10] inet6_addr_add+0x12f/0xa40 [ 2615.472592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.472592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.472592][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.472592][ T10] netlink_unicast+0x449/0x710 [ 2615.472592][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.472592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.472592][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.472592][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.472592][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.472592][ T10] [ 2615.474581][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2615.474581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2615.474581][ T10] ipv6_find_idev+0x102/0x170 [ 2615.474581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.474581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.474581][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.474581][ T10] netlink_unicast+0x449/0x710 [ 2615.474581][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.474581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.474581][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.474581][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.474581][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.474581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.474581][ T10] [ 2615.476145][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2615.476145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2615.476145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2615.476145][ T10] ipv6_find_idev+0x102/0x170 [ 2615.476145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.476145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.476145][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.476145][ T10] netlink_unicast+0x449/0x710 [ 2615.476145][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.476145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.476145][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.476145][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.476145][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.476145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.476145][ T10] [ 2615.477862][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2615.478159][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2615.478159][ T10] netdev_get_by_index+0x5e/0x80 [ 2615.478159][ T10] fib6_nh_init+0x3d8/0x1580 [ 2615.478159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2615.478159][ T10] ip6_route_add+0x1c/0x140 [ 2615.478159][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2615.478159][ T10] inet6_addr_add+0x4f8/0xa40 [ 2615.478159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.478159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.478159][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.478159][ T10] netlink_unicast+0x449/0x710 [ 2615.478159][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.478159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.478159][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.478159][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.478159][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.478159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.478159][ T10] [ 2615.480186][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2615.480186][ T10] netdev_get_by_index+0x5e/0x80 [ 2615.480186][ T10] fib6_nh_init+0x3d8/0x1580 [ 2615.480186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2615.480186][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2615.480186][ T10] ipv6_add_addr+0x411/0x2000 [ 2615.480186][ T10] inet6_addr_add+0x30e/0xa40 [ 2615.480186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.480186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.480186][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.480186][ T10] netlink_unicast+0x449/0x710 [ 2615.480186][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.480186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.480186][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.480186][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.480186][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.480186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.480186][ T10] [ 2615.482226][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2615.482226][ T10] netdev_get_by_index+0x5e/0x80 [ 2615.482226][ T10] fib6_nh_init+0x3d8/0x1580 [ 2615.482226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2615.482226][ T10] ip6_route_add+0x1c/0x140 [ 2615.482226][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2615.482226][ T10] addrconf_add_dev+0xe2/0x170 [ 2615.482226][ T10] inet6_addr_add+0x12f/0xa40 [ 2615.482226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.482226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.482226][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.482226][ T10] netlink_unicast+0x449/0x710 [ 2615.482226][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.482226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.482226][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.482226][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.482226][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.482226][ T10] [ 2615.484206][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2615.484206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2615.484206][ T10] ipv6_find_idev+0x102/0x170 [ 2615.484206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.484206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.484206][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.484206][ T10] netlink_unicast+0x449/0x710 [ 2615.484206][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.484206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.484206][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.484206][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.484206][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.484206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.484206][ T10] [ 2615.485760][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2615.485760][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2615.485760][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2615.485760][ T10] ipv6_find_idev+0x102/0x170 [ 2615.485760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.485760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.485760][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.485760][ T10] netlink_unicast+0x449/0x710 [ 2615.485760][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.485760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.485760][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.485760][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.485760][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.485760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.485760][ T10] [ 2615.487470][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2615.487717][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2615.487717][ T10] vlan_dev_init+0x97c/0xdd0 [ 2615.487717][ T10] register_netdevice+0x4d3/0x1690 [ 2615.487717][ T10] register_vlan_dev+0x162/0x4a0 [ 2615.487717][ T10] vlan_newlink+0x393/0x610 [ 2615.487717][ T10] rtnl_newlink_create+0x341/0x850 [ 2615.487717][ T10] __rtnl_newlink+0xac9/0xd80 [ 2615.487717][ T10] rtnl_newlink+0x63/0xa0 [ 2615.487717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.487717][ T10] netlink_rcv_skb+0x130/0x360 [ 2615.487717][ T10] netlink_unicast+0x449/0x710 [ 2615.487717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2615.487717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2615.487717][ T10] ___sys_sendmsg+0xee/0x170 [ 2615.487717][ T10] __sys_sendmsg+0xcd/0x170 [ 2615.487717][ T10] do_syscall_64+0xc6/0x1e0 [ 2615.487717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.487717][ T10] [ 2625.740001][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2625.740447][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2625.740447][ T10] netdev_get_by_index+0x5e/0x80 [ 2625.740447][ T10] fib6_nh_init+0x3d8/0x1580 [ 2625.740447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2625.740447][ T10] ip6_route_add+0x1c/0x140 [ 2625.740447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2625.740447][ T10] inet6_addr_add+0x4f8/0xa40 [ 2625.740447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.740447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.740447][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.740447][ T10] netlink_unicast+0x449/0x710 [ 2625.740447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.740447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.740447][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.740447][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.740447][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.740447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.740447][ T10] [ 2625.742517][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2625.742517][ T10] netdev_get_by_index+0x5e/0x80 [ 2625.742517][ T10] fib6_nh_init+0x3d8/0x1580 [ 2625.742517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2625.742517][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2625.742517][ T10] ipv6_add_addr+0x411/0x2000 [ 2625.742517][ T10] inet6_addr_add+0x30e/0xa40 [ 2625.742517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.742517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.742517][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.742517][ T10] netlink_unicast+0x449/0x710 [ 2625.742517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.742517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.742517][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.742517][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.742517][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.742517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.742517][ T10] [ 2625.744555][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2625.744555][ T10] netdev_get_by_index+0x5e/0x80 [ 2625.744555][ T10] fib6_nh_init+0x3d8/0x1580 [ 2625.744555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2625.744555][ T10] ip6_route_add+0x1c/0x140 [ 2625.744555][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.744555][ T10] addrconf_add_dev+0xe2/0x170 [ 2625.744555][ T10] inet6_addr_add+0x12f/0xa40 [ 2625.744555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.744555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.744555][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.744555][ T10] netlink_unicast+0x449/0x710 [ 2625.744555][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.744555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.744555][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.744555][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.744555][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.744555][ T10] [ 2625.746556][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2625.746556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2625.746556][ T10] ipv6_find_idev+0x102/0x170 [ 2625.746556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.746556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.746556][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.746556][ T10] netlink_unicast+0x449/0x710 [ 2625.746556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.746556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.746556][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.746556][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.746556][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.746556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.746556][ T10] [ 2625.748114][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2625.748114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2625.748114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2625.748114][ T10] ipv6_find_idev+0x102/0x170 [ 2625.748114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.748114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.748114][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.748114][ T10] netlink_unicast+0x449/0x710 [ 2625.748114][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.748114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.748114][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.748114][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.748114][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.748114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.748114][ T10] [ 2625.749838][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2625.750131][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2625.750131][ T10] netdev_get_by_index+0x5e/0x80 [ 2625.750131][ T10] fib6_nh_init+0x3d8/0x1580 [ 2625.750131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2625.750131][ T10] ip6_route_add+0x1c/0x140 [ 2625.750131][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2625.750131][ T10] inet6_addr_add+0x4f8/0xa40 [ 2625.750131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.750131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.750131][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.750131][ T10] netlink_unicast+0x449/0x710 [ 2625.750131][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.750131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.750131][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.750131][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.750131][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.750131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.750131][ T10] [ 2625.752161][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2625.752161][ T10] netdev_get_by_index+0x5e/0x80 [ 2625.752161][ T10] fib6_nh_init+0x3d8/0x1580 [ 2625.752161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2625.752161][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2625.752161][ T10] ipv6_add_addr+0x411/0x2000 [ 2625.752161][ T10] inet6_addr_add+0x30e/0xa40 [ 2625.752161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.752161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.752161][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.752161][ T10] netlink_unicast+0x449/0x710 [ 2625.752161][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.752161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.752161][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.752161][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.752161][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.752161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.752161][ T10] [ 2625.754173][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2625.754173][ T10] netdev_get_by_index+0x5e/0x80 [ 2625.754173][ T10] fib6_nh_init+0x3d8/0x1580 [ 2625.754173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2625.754173][ T10] ip6_route_add+0x1c/0x140 [ 2625.754173][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.754173][ T10] addrconf_add_dev+0xe2/0x170 [ 2625.754173][ T10] inet6_addr_add+0x12f/0xa40 [ 2625.754173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.754173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.754173][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.754173][ T10] netlink_unicast+0x449/0x710 [ 2625.754173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.754173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.754173][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.754173][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.754173][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.754173][ T10] [ 2625.756156][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2625.756156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2625.756156][ T10] ipv6_find_idev+0x102/0x170 [ 2625.756156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.756156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.756156][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.756156][ T10] netlink_unicast+0x449/0x710 [ 2625.756156][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.756156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.756156][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.756156][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.756156][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.756156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.756156][ T10] [ 2625.757717][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2625.757717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2625.757717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2625.757717][ T10] ipv6_find_idev+0x102/0x170 [ 2625.757717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.757717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.757717][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.757717][ T10] netlink_unicast+0x449/0x710 [ 2625.757717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.757717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.757717][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.757717][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.757717][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.757717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.757717][ T10] [ 2625.759422][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2625.759667][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2625.759667][ T10] vlan_dev_init+0x97c/0xdd0 [ 2625.759667][ T10] register_netdevice+0x4d3/0x1690 [ 2625.759667][ T10] register_vlan_dev+0x162/0x4a0 [ 2625.759667][ T10] vlan_newlink+0x393/0x610 [ 2625.759667][ T10] rtnl_newlink_create+0x341/0x850 [ 2625.759667][ T10] __rtnl_newlink+0xac9/0xd80 [ 2625.759667][ T10] rtnl_newlink+0x63/0xa0 [ 2625.759667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.759667][ T10] netlink_rcv_skb+0x130/0x360 [ 2625.759667][ T10] netlink_unicast+0x449/0x710 [ 2625.759667][ T10] netlink_sendmsg+0x723/0xbe0 [ 2625.759667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2625.759667][ T10] ___sys_sendmsg+0xee/0x170 [ 2625.759667][ T10] __sys_sendmsg+0xcd/0x170 [ 2625.759667][ T10] do_syscall_64+0xc6/0x1e0 [ 2625.759667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.759667][ T10] [ 2635.803996][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2635.804450][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2635.804450][ T10] netdev_get_by_index+0x5e/0x80 [ 2635.804450][ T10] fib6_nh_init+0x3d8/0x1580 [ 2635.804450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2635.804450][ T10] ip6_route_add+0x1c/0x140 [ 2635.804450][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2635.804450][ T10] inet6_addr_add+0x4f8/0xa40 [ 2635.804450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.804450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.804450][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.804450][ T10] netlink_unicast+0x449/0x710 [ 2635.804450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.804450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.804450][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.804450][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.804450][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.804450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.804450][ T10] [ 2635.806511][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2635.806511][ T10] netdev_get_by_index+0x5e/0x80 [ 2635.806511][ T10] fib6_nh_init+0x3d8/0x1580 [ 2635.806511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2635.806511][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2635.806511][ T10] ipv6_add_addr+0x411/0x2000 [ 2635.806511][ T10] inet6_addr_add+0x30e/0xa40 [ 2635.806511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.806511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.806511][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.806511][ T10] netlink_unicast+0x449/0x710 [ 2635.806511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.806511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.806511][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.806511][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.806511][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.806511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.806511][ T10] [ 2635.808551][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2635.808551][ T10] netdev_get_by_index+0x5e/0x80 [ 2635.808551][ T10] fib6_nh_init+0x3d8/0x1580 [ 2635.808551][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2635.808551][ T10] ip6_route_add+0x1c/0x140 [ 2635.808551][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.808551][ T10] addrconf_add_dev+0xe2/0x170 [ 2635.808551][ T10] inet6_addr_add+0x12f/0xa40 [ 2635.808551][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.808551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.808551][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.808551][ T10] netlink_unicast+0x449/0x710 [ 2635.808551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.808551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.808551][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.808551][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.808551][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.808551][ T10] [ 2635.810561][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2635.810561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2635.810561][ T10] ipv6_find_idev+0x102/0x170 [ 2635.810561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.810561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.810561][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.810561][ T10] netlink_unicast+0x449/0x710 [ 2635.810561][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.810561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.810561][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.810561][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.810561][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.810561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.810561][ T10] [ 2635.812132][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2635.812132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2635.812132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2635.812132][ T10] ipv6_find_idev+0x102/0x170 [ 2635.812132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.812132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.812132][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.812132][ T10] netlink_unicast+0x449/0x710 [ 2635.812132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.812132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.812132][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.812132][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.812132][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.812132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.812132][ T10] [ 2635.813850][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2635.814153][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2635.814153][ T10] netdev_get_by_index+0x5e/0x80 [ 2635.814153][ T10] fib6_nh_init+0x3d8/0x1580 [ 2635.814153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2635.814153][ T10] ip6_route_add+0x1c/0x140 [ 2635.814153][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2635.814153][ T10] inet6_addr_add+0x4f8/0xa40 [ 2635.814153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.814153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.814153][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.814153][ T10] netlink_unicast+0x449/0x710 [ 2635.814153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.814153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.814153][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.814153][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.814153][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.814153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.814153][ T10] [ 2635.816175][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2635.816175][ T10] netdev_get_by_index+0x5e/0x80 [ 2635.816175][ T10] fib6_nh_init+0x3d8/0x1580 [ 2635.816175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2635.816175][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2635.816175][ T10] ipv6_add_addr+0x411/0x2000 [ 2635.816175][ T10] inet6_addr_add+0x30e/0xa40 [ 2635.816175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.816175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.816175][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.816175][ T10] netlink_unicast+0x449/0x710 [ 2635.816175][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.816175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.816175][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.816175][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.816175][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.816175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.816175][ T10] [ 2635.818295][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2635.818295][ T10] netdev_get_by_index+0x5e/0x80 [ 2635.818295][ T10] fib6_nh_init+0x3d8/0x1580 [ 2635.818295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2635.818295][ T10] ip6_route_add+0x1c/0x140 [ 2635.818295][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.818295][ T10] addrconf_add_dev+0xe2/0x170 [ 2635.818295][ T10] inet6_addr_add+0x12f/0xa40 [ 2635.818295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.818295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.818295][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.818295][ T10] netlink_unicast+0x449/0x710 [ 2635.818295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.818295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.818295][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.818295][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.818295][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.818295][ T10] [ 2635.820289][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2635.820289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2635.820289][ T10] ipv6_find_idev+0x102/0x170 [ 2635.820289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.820289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.820289][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.820289][ T10] netlink_unicast+0x449/0x710 [ 2635.820289][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.820289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.820289][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.820289][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.820289][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.820289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.820289][ T10] [ 2635.821843][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2635.821843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2635.821843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2635.821843][ T10] ipv6_find_idev+0x102/0x170 [ 2635.821843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.821843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.821843][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.821843][ T10] netlink_unicast+0x449/0x710 [ 2635.821843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.821843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.821843][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.821843][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.821843][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.821843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.821843][ T10] [ 2635.823552][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2635.823807][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2635.823807][ T10] vlan_dev_init+0x97c/0xdd0 [ 2635.823807][ T10] register_netdevice+0x4d3/0x1690 [ 2635.823807][ T10] register_vlan_dev+0x162/0x4a0 [ 2635.823807][ T10] vlan_newlink+0x393/0x610 [ 2635.823807][ T10] rtnl_newlink_create+0x341/0x850 [ 2635.823807][ T10] __rtnl_newlink+0xac9/0xd80 [ 2635.823807][ T10] rtnl_newlink+0x63/0xa0 [ 2635.823807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.823807][ T10] netlink_rcv_skb+0x130/0x360 [ 2635.823807][ T10] netlink_unicast+0x449/0x710 [ 2635.823807][ T10] netlink_sendmsg+0x723/0xbe0 [ 2635.823807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2635.823807][ T10] ___sys_sendmsg+0xee/0x170 [ 2635.823807][ T10] __sys_sendmsg+0xcd/0x170 [ 2635.823807][ T10] do_syscall_64+0xc6/0x1e0 [ 2635.823807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.823807][ T10] [ 2646.067929][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2646.068402][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2646.068402][ T10] netdev_get_by_index+0x5e/0x80 [ 2646.068402][ T10] fib6_nh_init+0x3d8/0x1580 [ 2646.068402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2646.068402][ T10] ip6_route_add+0x1c/0x140 [ 2646.068402][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2646.068402][ T10] inet6_addr_add+0x4f8/0xa40 [ 2646.068402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.068402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.068402][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.068402][ T10] netlink_unicast+0x449/0x710 [ 2646.068402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.068402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.068402][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.068402][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.068402][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.068402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.068402][ T10] [ 2646.070463][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2646.070463][ T10] netdev_get_by_index+0x5e/0x80 [ 2646.070463][ T10] fib6_nh_init+0x3d8/0x1580 [ 2646.070463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2646.070463][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2646.070463][ T10] ipv6_add_addr+0x411/0x2000 [ 2646.070463][ T10] inet6_addr_add+0x30e/0xa40 [ 2646.070463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.070463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.070463][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.070463][ T10] netlink_unicast+0x449/0x710 [ 2646.070463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.070463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.070463][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.070463][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.070463][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.070463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.070463][ T10] [ 2646.072485][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2646.072485][ T10] netdev_get_by_index+0x5e/0x80 [ 2646.072485][ T10] fib6_nh_init+0x3d8/0x1580 [ 2646.072485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2646.072485][ T10] ip6_route_add+0x1c/0x140 [ 2646.072485][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2646.072485][ T10] addrconf_add_dev+0xe2/0x170 [ 2646.072485][ T10] inet6_addr_add+0x12f/0xa40 [ 2646.072485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.072485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.072485][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.072485][ T10] netlink_unicast+0x449/0x710 [ 2646.072485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.072485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.072485][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.072485][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.072485][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.072485][ T10] [ 2646.074484][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2646.074484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2646.074484][ T10] ipv6_find_idev+0x102/0x170 [ 2646.074484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.074484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.074484][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.074484][ T10] netlink_unicast+0x449/0x710 [ 2646.074484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.074484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.074484][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.074484][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.074484][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.074484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.074484][ T10] [ 2646.076055][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2646.076055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2646.076055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2646.076055][ T10] ipv6_find_idev+0x102/0x170 [ 2646.076055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.076055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.076055][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.076055][ T10] netlink_unicast+0x449/0x710 [ 2646.076055][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.076055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.076055][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.076055][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.076055][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.076055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.076055][ T10] [ 2646.077795][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2646.078091][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2646.078091][ T10] netdev_get_by_index+0x5e/0x80 [ 2646.078091][ T10] fib6_nh_init+0x3d8/0x1580 [ 2646.078091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2646.078091][ T10] ip6_route_add+0x1c/0x140 [ 2646.078091][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2646.078091][ T10] inet6_addr_add+0x4f8/0xa40 [ 2646.078091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.078091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.078091][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.078091][ T10] netlink_unicast+0x449/0x710 [ 2646.078091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.078091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.078091][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.078091][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.078091][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.078091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.078091][ T10] [ 2646.080129][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2646.080129][ T10] netdev_get_by_index+0x5e/0x80 [ 2646.080129][ T10] fib6_nh_init+0x3d8/0x1580 [ 2646.080129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2646.080129][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2646.080129][ T10] ipv6_add_addr+0x411/0x2000 [ 2646.080129][ T10] inet6_addr_add+0x30e/0xa40 [ 2646.080129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.080129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.080129][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.080129][ T10] netlink_unicast+0x449/0x710 [ 2646.080129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.080129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.080129][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.080129][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.080129][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.080129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.080129][ T10] [ 2646.082132][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2646.082132][ T10] netdev_get_by_index+0x5e/0x80 [ 2646.082132][ T10] fib6_nh_init+0x3d8/0x1580 [ 2646.082132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2646.082132][ T10] ip6_route_add+0x1c/0x140 [ 2646.082132][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2646.082132][ T10] addrconf_add_dev+0xe2/0x170 [ 2646.082132][ T10] inet6_addr_add+0x12f/0xa40 [ 2646.082132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.082132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.082132][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.082132][ T10] netlink_unicast+0x449/0x710 [ 2646.082132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.082132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.082132][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.082132][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.082132][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.082132][ T10] [ 2646.084102][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2646.084102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2646.084102][ T10] ipv6_find_idev+0x102/0x170 [ 2646.084102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.084102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.084102][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.084102][ T10] netlink_unicast+0x449/0x710 [ 2646.084102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.084102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.084102][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.084102][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.084102][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.084102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.084102][ T10] [ 2646.085652][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2646.085652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2646.085652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2646.085652][ T10] ipv6_find_idev+0x102/0x170 [ 2646.085652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.085652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.085652][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.085652][ T10] netlink_unicast+0x449/0x710 [ 2646.085652][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.085652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.085652][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.085652][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.085652][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.085652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.085652][ T10] [ 2646.087350][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2646.087593][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2646.087593][ T10] vlan_dev_init+0x97c/0xdd0 [ 2646.087593][ T10] register_netdevice+0x4d3/0x1690 [ 2646.087593][ T10] register_vlan_dev+0x162/0x4a0 [ 2646.087593][ T10] vlan_newlink+0x393/0x610 [ 2646.087593][ T10] rtnl_newlink_create+0x341/0x850 [ 2646.087593][ T10] __rtnl_newlink+0xac9/0xd80 [ 2646.087593][ T10] rtnl_newlink+0x63/0xa0 [ 2646.087593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.087593][ T10] netlink_rcv_skb+0x130/0x360 [ 2646.087593][ T10] netlink_unicast+0x449/0x710 [ 2646.087593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2646.087593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2646.087593][ T10] ___sys_sendmsg+0xee/0x170 [ 2646.087593][ T10] __sys_sendmsg+0xcd/0x170 [ 2646.087593][ T10] do_syscall_64+0xc6/0x1e0 [ 2646.087593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.087593][ T10] [ 2656.331943][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2656.332411][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2656.332411][ T10] netdev_get_by_index+0x5e/0x80 [ 2656.332411][ T10] fib6_nh_init+0x3d8/0x1580 [ 2656.332411][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2656.332411][ T10] ip6_route_add+0x1c/0x140 [ 2656.332411][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2656.332411][ T10] inet6_addr_add+0x4f8/0xa40 [ 2656.332411][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.332411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.332411][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.332411][ T10] netlink_unicast+0x449/0x710 [ 2656.332411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.332411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.332411][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.332411][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.332411][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.332411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.332411][ T10] [ 2656.334471][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2656.334471][ T10] netdev_get_by_index+0x5e/0x80 [ 2656.334471][ T10] fib6_nh_init+0x3d8/0x1580 [ 2656.334471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2656.334471][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2656.334471][ T10] ipv6_add_addr+0x411/0x2000 [ 2656.334471][ T10] inet6_addr_add+0x30e/0xa40 [ 2656.334471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.334471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.334471][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.334471][ T10] netlink_unicast+0x449/0x710 [ 2656.334471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.334471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.334471][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.334471][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.334471][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.334471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.334471][ T10] [ 2656.336505][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2656.336505][ T10] netdev_get_by_index+0x5e/0x80 [ 2656.336505][ T10] fib6_nh_init+0x3d8/0x1580 [ 2656.336505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2656.336505][ T10] ip6_route_add+0x1c/0x140 [ 2656.336505][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2656.336505][ T10] addrconf_add_dev+0xe2/0x170 [ 2656.336505][ T10] inet6_addr_add+0x12f/0xa40 [ 2656.336505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.336505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.336505][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.336505][ T10] netlink_unicast+0x449/0x710 [ 2656.336505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.336505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.336505][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.336505][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.336505][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.336505][ T10] [ 2656.338495][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2656.338495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2656.338495][ T10] ipv6_find_idev+0x102/0x170 [ 2656.338495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.338495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.338495][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.338495][ T10] netlink_unicast+0x449/0x710 [ 2656.338495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.338495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.338495][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.338495][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.338495][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.338495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.338495][ T10] [ 2656.340059][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2656.340059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2656.340059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2656.340059][ T10] ipv6_find_idev+0x102/0x170 [ 2656.340059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.340059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.340059][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.340059][ T10] netlink_unicast+0x449/0x710 [ 2656.340059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.340059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.340059][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.340059][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.340059][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.340059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.340059][ T10] [ 2656.341803][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2656.342101][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2656.342101][ T10] netdev_get_by_index+0x5e/0x80 [ 2656.342101][ T10] fib6_nh_init+0x3d8/0x1580 [ 2656.342101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2656.342101][ T10] ip6_route_add+0x1c/0x140 [ 2656.342101][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2656.342101][ T10] inet6_addr_add+0x4f8/0xa40 [ 2656.342101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.342101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.342101][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.342101][ T10] netlink_unicast+0x449/0x710 [ 2656.342101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.342101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.342101][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.342101][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.342101][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.342101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.342101][ T10] [ 2656.344120][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2656.344120][ T10] netdev_get_by_index+0x5e/0x80 [ 2656.344120][ T10] fib6_nh_init+0x3d8/0x1580 [ 2656.344120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2656.344120][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2656.344120][ T10] ipv6_add_addr+0x411/0x2000 [ 2656.344120][ T10] inet6_addr_add+0x30e/0xa40 [ 2656.344120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.344120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.344120][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.344120][ T10] netlink_unicast+0x449/0x710 [ 2656.344120][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.344120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.344120][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.344120][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.344120][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.344120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.344120][ T10] [ 2656.346130][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2656.346130][ T10] netdev_get_by_index+0x5e/0x80 [ 2656.346130][ T10] fib6_nh_init+0x3d8/0x1580 [ 2656.346130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2656.346130][ T10] ip6_route_add+0x1c/0x140 [ 2656.346130][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2656.346130][ T10] addrconf_add_dev+0xe2/0x170 [ 2656.346130][ T10] inet6_addr_add+0x12f/0xa40 [ 2656.346130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.346130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.346130][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.346130][ T10] netlink_unicast+0x449/0x710 [ 2656.346130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.346130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.346130][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.346130][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.346130][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.346130][ T10] [ 2656.348102][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2656.348102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2656.348102][ T10] ipv6_find_idev+0x102/0x170 [ 2656.348102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.348102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.348102][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.348102][ T10] netlink_unicast+0x449/0x710 [ 2656.348102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.348102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.348102][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.348102][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.348102][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.348102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.348102][ T10] [ 2656.349746][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2656.349746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2656.349746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2656.349746][ T10] ipv6_find_idev+0x102/0x170 [ 2656.349746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.349746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.349746][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.349746][ T10] netlink_unicast+0x449/0x710 [ 2656.349746][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.349746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.349746][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.349746][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.349746][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.349746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.349746][ T10] [ 2656.351461][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2656.351709][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2656.351709][ T10] vlan_dev_init+0x97c/0xdd0 [ 2656.351709][ T10] register_netdevice+0x4d3/0x1690 [ 2656.351709][ T10] register_vlan_dev+0x162/0x4a0 [ 2656.351709][ T10] vlan_newlink+0x393/0x610 [ 2656.351709][ T10] rtnl_newlink_create+0x341/0x850 [ 2656.351709][ T10] __rtnl_newlink+0xac9/0xd80 [ 2656.351709][ T10] rtnl_newlink+0x63/0xa0 [ 2656.351709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.351709][ T10] netlink_rcv_skb+0x130/0x360 [ 2656.351709][ T10] netlink_unicast+0x449/0x710 [ 2656.351709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2656.351709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2656.351709][ T10] ___sys_sendmsg+0xee/0x170 [ 2656.351709][ T10] __sys_sendmsg+0xcd/0x170 [ 2656.351709][ T10] do_syscall_64+0xc6/0x1e0 [ 2656.351709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.351709][ T10] [ 2666.596000][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2666.596539][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2666.596539][ T10] netdev_get_by_index+0x5e/0x80 [ 2666.596539][ T10] fib6_nh_init+0x3d8/0x1580 [ 2666.596539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2666.596539][ T10] ip6_route_add+0x1c/0x140 [ 2666.596539][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2666.596539][ T10] inet6_addr_add+0x4f8/0xa40 [ 2666.596539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.596539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.596539][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.596539][ T10] netlink_unicast+0x449/0x710 [ 2666.596539][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.596539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.596539][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.596539][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.596539][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.596539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.596539][ T10] [ 2666.598838][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2666.598838][ T10] netdev_get_by_index+0x5e/0x80 [ 2666.598838][ T10] fib6_nh_init+0x3d8/0x1580 [ 2666.598838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2666.598838][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2666.598838][ T10] ipv6_add_addr+0x411/0x2000 [ 2666.598838][ T10] inet6_addr_add+0x30e/0xa40 [ 2666.598838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.598838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.598838][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.598838][ T10] netlink_unicast+0x449/0x710 [ 2666.598838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.598838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.598838][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.598838][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.598838][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.598838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.598838][ T10] [ 2666.601202][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2666.601202][ T10] netdev_get_by_index+0x5e/0x80 [ 2666.601202][ T10] fib6_nh_init+0x3d8/0x1580 [ 2666.601202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2666.601202][ T10] ip6_route_add+0x1c/0x140 [ 2666.601202][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2666.601202][ T10] addrconf_add_dev+0xe2/0x170 [ 2666.601202][ T10] inet6_addr_add+0x12f/0xa40 [ 2666.601202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.601202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.601202][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.601202][ T10] netlink_unicast+0x449/0x710 [ 2666.601202][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.601202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.601202][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.601202][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.601202][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.601202][ T10] [ 2666.603462][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2666.603462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2666.603462][ T10] ipv6_find_idev+0x102/0x170 [ 2666.603462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.603462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.603462][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.603462][ T10] netlink_unicast+0x449/0x710 [ 2666.603462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.603462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.603462][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.603462][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.603462][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.603462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.603462][ T10] [ 2666.605223][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2666.605223][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2666.605223][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2666.605223][ T10] ipv6_find_idev+0x102/0x170 [ 2666.605223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.605223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.605223][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.605223][ T10] netlink_unicast+0x449/0x710 [ 2666.605223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.605223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.605223][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.605223][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.605223][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.605223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.605223][ T10] [ 2666.607176][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2666.607479][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2666.607479][ T10] netdev_get_by_index+0x5e/0x80 [ 2666.607479][ T10] fib6_nh_init+0x3d8/0x1580 [ 2666.607479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2666.607479][ T10] ip6_route_add+0x1c/0x140 [ 2666.607479][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2666.607479][ T10] inet6_addr_add+0x4f8/0xa40 [ 2666.607479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.607479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.607479][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.607479][ T10] netlink_unicast+0x449/0x710 [ 2666.607479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.607479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.607479][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.607479][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.607479][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.607479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.607479][ T10] [ 2666.612057][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2666.612057][ T10] netdev_get_by_index+0x5e/0x80 [ 2666.612057][ T10] fib6_nh_init+0x3d8/0x1580 [ 2666.612057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2666.612057][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2666.612057][ T10] ipv6_add_addr+0x411/0x2000 [ 2666.612057][ T10] inet6_addr_add+0x30e/0xa40 [ 2666.612057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.612057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.612057][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.612057][ T10] netlink_unicast+0x449/0x710 [ 2666.612057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.612057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.612057][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.612057][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.612057][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.612057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.612057][ T10] [ 2666.614332][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2666.614332][ T10] netdev_get_by_index+0x5e/0x80 [ 2666.614332][ T10] fib6_nh_init+0x3d8/0x1580 [ 2666.614332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2666.614332][ T10] ip6_route_add+0x1c/0x140 [ 2666.614332][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2666.614332][ T10] addrconf_add_dev+0xe2/0x170 [ 2666.614332][ T10] inet6_addr_add+0x12f/0xa40 [ 2666.614332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.614332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.614332][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.614332][ T10] netlink_unicast+0x449/0x710 [ 2666.614332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.614332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.614332][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.614332][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.614332][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.614332][ T10] [ 2666.616575][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2666.616575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2666.616575][ T10] ipv6_find_idev+0x102/0x170 [ 2666.616575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.616575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.616575][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.616575][ T10] netlink_unicast+0x449/0x710 [ 2666.616575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.616575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.616575][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.616575][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.616575][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.616575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.616575][ T10] [ 2666.618326][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2666.618326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2666.618326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2666.618326][ T10] ipv6_find_idev+0x102/0x170 [ 2666.618326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.618326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.618326][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.618326][ T10] netlink_unicast+0x449/0x710 [ 2666.618326][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.618326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.618326][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.618326][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.618326][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.618326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.618326][ T10] [ 2666.620262][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2666.620537][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2666.620537][ T10] vlan_dev_init+0x97c/0xdd0 [ 2666.620537][ T10] register_netdevice+0x4d3/0x1690 [ 2666.620537][ T10] register_vlan_dev+0x162/0x4a0 [ 2666.620537][ T10] vlan_newlink+0x393/0x610 [ 2666.620537][ T10] rtnl_newlink_create+0x341/0x850 [ 2666.620537][ T10] __rtnl_newlink+0xac9/0xd80 [ 2666.620537][ T10] rtnl_newlink+0x63/0xa0 [ 2666.620537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.620537][ T10] netlink_rcv_skb+0x130/0x360 [ 2666.620537][ T10] netlink_unicast+0x449/0x710 [ 2666.620537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2666.620537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2666.620537][ T10] ___sys_sendmsg+0xee/0x170 [ 2666.620537][ T10] __sys_sendmsg+0xcd/0x170 [ 2666.620537][ T10] do_syscall_64+0xc6/0x1e0 [ 2666.620537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.620537][ T10] [ 2676.860039][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2676.860599][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2676.860599][ T10] netdev_get_by_index+0x5e/0x80 [ 2676.860599][ T10] fib6_nh_init+0x3d8/0x1580 [ 2676.860599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2676.860599][ T10] ip6_route_add+0x1c/0x140 [ 2676.860599][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2676.860599][ T10] inet6_addr_add+0x4f8/0xa40 [ 2676.860599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.860599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.860599][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.860599][ T10] netlink_unicast+0x449/0x710 [ 2676.860599][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.860599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.860599][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.860599][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.860599][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.860599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.860599][ T10] [ 2676.862909][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2676.862909][ T10] netdev_get_by_index+0x5e/0x80 [ 2676.862909][ T10] fib6_nh_init+0x3d8/0x1580 [ 2676.862909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2676.862909][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2676.862909][ T10] ipv6_add_addr+0x411/0x2000 [ 2676.862909][ T10] inet6_addr_add+0x30e/0xa40 [ 2676.862909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.862909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.862909][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.862909][ T10] netlink_unicast+0x449/0x710 [ 2676.862909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.862909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.862909][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.862909][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.862909][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.862909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.862909][ T10] [ 2676.865212][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2676.865212][ T10] netdev_get_by_index+0x5e/0x80 [ 2676.865212][ T10] fib6_nh_init+0x3d8/0x1580 [ 2676.865212][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2676.865212][ T10] ip6_route_add+0x1c/0x140 [ 2676.865212][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.865212][ T10] addrconf_add_dev+0xe2/0x170 [ 2676.865212][ T10] inet6_addr_add+0x12f/0xa40 [ 2676.865212][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.865212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.865212][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.865212][ T10] netlink_unicast+0x449/0x710 [ 2676.865212][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.865212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.865212][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.865212][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.865212][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.865212][ T10] [ 2676.867457][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2676.867457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2676.867457][ T10] ipv6_find_idev+0x102/0x170 [ 2676.867457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.867457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.867457][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.867457][ T10] netlink_unicast+0x449/0x710 [ 2676.867457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.867457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.867457][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.867457][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.867457][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.867457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.867457][ T10] [ 2676.869207][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2676.869207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2676.869207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2676.869207][ T10] ipv6_find_idev+0x102/0x170 [ 2676.869207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.869207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.869207][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.869207][ T10] netlink_unicast+0x449/0x710 [ 2676.869207][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.869207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.869207][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.869207][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.869207][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.869207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.869207][ T10] [ 2676.871136][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2676.871435][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2676.871435][ T10] netdev_get_by_index+0x5e/0x80 [ 2676.871435][ T10] fib6_nh_init+0x3d8/0x1580 [ 2676.871435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2676.871435][ T10] ip6_route_add+0x1c/0x140 [ 2676.871435][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2676.871435][ T10] inet6_addr_add+0x4f8/0xa40 [ 2676.871435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.871435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.871435][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.871435][ T10] netlink_unicast+0x449/0x710 [ 2676.871435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.871435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.871435][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.871435][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.871435][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.871435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.871435][ T10] [ 2676.873716][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2676.873716][ T10] netdev_get_by_index+0x5e/0x80 [ 2676.873716][ T10] fib6_nh_init+0x3d8/0x1580 [ 2676.873716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2676.873716][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2676.873716][ T10] ipv6_add_addr+0x411/0x2000 [ 2676.873716][ T10] inet6_addr_add+0x30e/0xa40 [ 2676.873716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.873716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.873716][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.873716][ T10] netlink_unicast+0x449/0x710 [ 2676.873716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.873716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.873716][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.873716][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.873716][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.873716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.873716][ T10] [ 2676.876009][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2676.876009][ T10] netdev_get_by_index+0x5e/0x80 [ 2676.876009][ T10] fib6_nh_init+0x3d8/0x1580 [ 2676.876009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2676.876009][ T10] ip6_route_add+0x1c/0x140 [ 2676.876009][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.876009][ T10] addrconf_add_dev+0xe2/0x170 [ 2676.876009][ T10] inet6_addr_add+0x12f/0xa40 [ 2676.876009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.876009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.876009][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.876009][ T10] netlink_unicast+0x449/0x710 [ 2676.876009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.876009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.876009][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.876009][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.876009][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.876009][ T10] [ 2676.878253][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2676.878253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2676.878253][ T10] ipv6_find_idev+0x102/0x170 [ 2676.878253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.878253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.878253][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.878253][ T10] netlink_unicast+0x449/0x710 [ 2676.878253][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.878253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.878253][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.878253][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.878253][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.878253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.878253][ T10] [ 2676.880019][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2676.880019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2676.880019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2676.880019][ T10] ipv6_find_idev+0x102/0x170 [ 2676.880019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.880019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.880019][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.880019][ T10] netlink_unicast+0x449/0x710 [ 2676.880019][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.880019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.880019][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.880019][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.880019][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.880019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.880019][ T10] [ 2676.881934][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2676.882223][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2676.882223][ T10] vlan_dev_init+0x97c/0xdd0 [ 2676.882223][ T10] register_netdevice+0x4d3/0x1690 [ 2676.882223][ T10] register_vlan_dev+0x162/0x4a0 [ 2676.882223][ T10] vlan_newlink+0x393/0x610 [ 2676.882223][ T10] rtnl_newlink_create+0x341/0x850 [ 2676.882223][ T10] __rtnl_newlink+0xac9/0xd80 [ 2676.882223][ T10] rtnl_newlink+0x63/0xa0 [ 2676.882223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.882223][ T10] netlink_rcv_skb+0x130/0x360 [ 2676.882223][ T10] netlink_unicast+0x449/0x710 [ 2676.882223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2676.882223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2676.882223][ T10] ___sys_sendmsg+0xee/0x170 [ 2676.882223][ T10] __sys_sendmsg+0xcd/0x170 [ 2676.882223][ T10] do_syscall_64+0xc6/0x1e0 [ 2676.882223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.882223][ T10] [ 2687.124009][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2687.124542][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2687.124542][ T10] netdev_get_by_index+0x5e/0x80 [ 2687.124542][ T10] fib6_nh_init+0x3d8/0x1580 [ 2687.124542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2687.124542][ T10] ip6_route_add+0x1c/0x140 [ 2687.124542][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2687.124542][ T10] inet6_addr_add+0x4f8/0xa40 [ 2687.124542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.124542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.124542][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.124542][ T10] netlink_unicast+0x449/0x710 [ 2687.124542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.124542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.124542][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.124542][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.124542][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.124542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.124542][ T10] [ 2687.126844][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2687.126844][ T10] netdev_get_by_index+0x5e/0x80 [ 2687.126844][ T10] fib6_nh_init+0x3d8/0x1580 [ 2687.126844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2687.126844][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2687.126844][ T10] ipv6_add_addr+0x411/0x2000 [ 2687.126844][ T10] inet6_addr_add+0x30e/0xa40 [ 2687.126844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.126844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.126844][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.126844][ T10] netlink_unicast+0x449/0x710 [ 2687.126844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.126844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.126844][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.126844][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.126844][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.126844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.126844][ T10] [ 2687.129132][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2687.129132][ T10] netdev_get_by_index+0x5e/0x80 [ 2687.129132][ T10] fib6_nh_init+0x3d8/0x1580 [ 2687.129132][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2687.129132][ T10] ip6_route_add+0x1c/0x140 [ 2687.129132][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2687.129132][ T10] addrconf_add_dev+0xe2/0x170 [ 2687.129132][ T10] inet6_addr_add+0x12f/0xa40 [ 2687.129132][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.129132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.129132][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.129132][ T10] netlink_unicast+0x449/0x710 [ 2687.129132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.129132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.129132][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.129132][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.129132][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.129132][ T10] [ 2687.131368][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2687.131368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2687.131368][ T10] ipv6_find_idev+0x102/0x170 [ 2687.131368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2687.131368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.131368][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.131368][ T10] netlink_unicast+0x449/0x710 [ 2687.131368][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.131368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.131368][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.131368][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.131368][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.131368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.131368][ T10] [ 2687.133138][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2687.133138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2687.133138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2687.133138][ T10] ipv6_find_idev+0x102/0x170 [ 2687.133138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2687.133138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.133138][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.133138][ T10] netlink_unicast+0x449/0x710 [ 2687.133138][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.133138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.133138][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.133138][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.133138][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.133138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.133138][ T10] [ 2687.135068][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2687.135380][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2687.135380][ T10] netdev_get_by_index+0x5e/0x80 [ 2687.135380][ T10] fib6_nh_init+0x3d8/0x1580 [ 2687.135380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2687.135380][ T10] ip6_route_add+0x1c/0x140 [ 2687.135380][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2687.135380][ T10] inet6_addr_add+0x4f8/0xa40 [ 2687.135380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.135380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.135380][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.135380][ T10] netlink_unicast+0x449/0x710 [ 2687.135380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.135380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.135380][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.135380][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.135380][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.135380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.135380][ T10] [ 2687.137641][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2687.137641][ T10] netdev_get_by_index+0x5e/0x80 [ 2687.137641][ T10] fib6_nh_init+0x3d8/0x1580 [ 2687.137641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2687.137641][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2687.137641][ T10] ipv6_add_addr+0x411/0x2000 [ 2687.137641][ T10] inet6_addr_add+0x30e/0xa40 [ 2687.137641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.137641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.137641][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.137641][ T10] netlink_unicast+0x449/0x710 [ 2687.137641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.137641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.137641][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.137641][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.137641][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.137641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.137641][ T10] [ 2687.139936][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2687.139936][ T10] netdev_get_by_index+0x5e/0x80 [ 2687.139936][ T10] fib6_nh_init+0x3d8/0x1580 [ 2687.139936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2687.139936][ T10] ip6_route_add+0x1c/0x140 [ 2687.139936][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2687.139936][ T10] addrconf_add_dev+0xe2/0x170 [ 2687.139936][ T10] inet6_addr_add+0x12f/0xa40 [ 2687.139936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.139936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.139936][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.139936][ T10] netlink_unicast+0x449/0x710 [ 2687.139936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.139936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.139936][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.139936][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.139936][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.139936][ T10] [ 2687.142203][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2687.142203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2687.142203][ T10] ipv6_find_idev+0x102/0x170 [ 2687.142203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2687.142203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.142203][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.142203][ T10] netlink_unicast+0x449/0x710 [ 2687.142203][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.142203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.142203][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.142203][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.142203][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.142203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.142203][ T10] [ 2687.143965][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2687.143965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2687.143965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2687.143965][ T10] ipv6_find_idev+0x102/0x170 [ 2687.143965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2687.143965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.143965][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.143965][ T10] netlink_unicast+0x449/0x710 [ 2687.143965][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.143965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.143965][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.143965][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.143965][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.143965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.143965][ T10] [ 2687.145901][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2687.146178][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2687.146178][ T10] vlan_dev_init+0x97c/0xdd0 [ 2687.146178][ T10] register_netdevice+0x4d3/0x1690 [ 2687.146178][ T10] register_vlan_dev+0x162/0x4a0 [ 2687.146178][ T10] vlan_newlink+0x393/0x610 [ 2687.146178][ T10] rtnl_newlink_create+0x341/0x850 [ 2687.146178][ T10] __rtnl_newlink+0xac9/0xd80 [ 2687.146178][ T10] rtnl_newlink+0x63/0xa0 [ 2687.146178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.146178][ T10] netlink_rcv_skb+0x130/0x360 [ 2687.146178][ T10] netlink_unicast+0x449/0x710 [ 2687.146178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2687.146178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2687.146178][ T10] ___sys_sendmsg+0xee/0x170 [ 2687.146178][ T10] __sys_sendmsg+0xcd/0x170 [ 2687.146178][ T10] do_syscall_64+0xc6/0x1e0 [ 2687.146178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.146178][ T10] [ 2697.388023][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2697.388485][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2697.388485][ T10] netdev_get_by_index+0x5e/0x80 [ 2697.388485][ T10] fib6_nh_init+0x3d8/0x1580 [ 2697.388485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2697.388485][ T10] ip6_route_add+0x1c/0x140 [ 2697.388485][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2697.388485][ T10] inet6_addr_add+0x4f8/0xa40 [ 2697.388485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.388485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.388485][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.388485][ T10] netlink_unicast+0x449/0x710 [ 2697.388485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.388485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.388485][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.388485][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.388485][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.388485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.388485][ T10] [ 2697.390564][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2697.390564][ T10] netdev_get_by_index+0x5e/0x80 [ 2697.390564][ T10] fib6_nh_init+0x3d8/0x1580 [ 2697.390564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2697.390564][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2697.390564][ T10] ipv6_add_addr+0x411/0x2000 [ 2697.390564][ T10] inet6_addr_add+0x30e/0xa40 [ 2697.390564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.390564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.390564][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.390564][ T10] netlink_unicast+0x449/0x710 [ 2697.390564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.390564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.390564][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.390564][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.390564][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.390564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.390564][ T10] [ 2697.392576][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2697.392576][ T10] netdev_get_by_index+0x5e/0x80 [ 2697.392576][ T10] fib6_nh_init+0x3d8/0x1580 [ 2697.392576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2697.392576][ T10] ip6_route_add+0x1c/0x140 [ 2697.392576][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.392576][ T10] addrconf_add_dev+0xe2/0x170 [ 2697.392576][ T10] inet6_addr_add+0x12f/0xa40 [ 2697.392576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.392576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.392576][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.392576][ T10] netlink_unicast+0x449/0x710 [ 2697.392576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.392576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.392576][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.392576][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.392576][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.392576][ T10] [ 2697.394553][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2697.394553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2697.394553][ T10] ipv6_find_idev+0x102/0x170 [ 2697.394553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.394553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.394553][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.394553][ T10] netlink_unicast+0x449/0x710 [ 2697.394553][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.394553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.394553][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.394553][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.394553][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.394553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.394553][ T10] [ 2697.396095][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2697.396095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2697.396095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2697.396095][ T10] ipv6_find_idev+0x102/0x170 [ 2697.396095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.396095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.396095][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.396095][ T10] netlink_unicast+0x449/0x710 [ 2697.396095][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.396095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.396095][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.396095][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.396095][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.396095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.396095][ T10] [ 2697.397792][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2697.398074][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2697.398074][ T10] netdev_get_by_index+0x5e/0x80 [ 2697.398074][ T10] fib6_nh_init+0x3d8/0x1580 [ 2697.398074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2697.398074][ T10] ip6_route_add+0x1c/0x140 [ 2697.398074][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2697.398074][ T10] inet6_addr_add+0x4f8/0xa40 [ 2697.398074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.398074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.398074][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.398074][ T10] netlink_unicast+0x449/0x710 [ 2697.398074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.398074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.398074][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.398074][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.398074][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.398074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.398074][ T10] [ 2697.400081][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2697.400081][ T10] netdev_get_by_index+0x5e/0x80 [ 2697.400081][ T10] fib6_nh_init+0x3d8/0x1580 [ 2697.400081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2697.400081][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2697.400081][ T10] ipv6_add_addr+0x411/0x2000 [ 2697.400081][ T10] inet6_addr_add+0x30e/0xa40 [ 2697.400081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.400081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.400081][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.400081][ T10] netlink_unicast+0x449/0x710 [ 2697.400081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.400081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.400081][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.400081][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.400081][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.400081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.400081][ T10] [ 2697.402087][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2697.402087][ T10] netdev_get_by_index+0x5e/0x80 [ 2697.402087][ T10] fib6_nh_init+0x3d8/0x1580 [ 2697.402087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2697.402087][ T10] ip6_route_add+0x1c/0x140 [ 2697.402087][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.402087][ T10] addrconf_add_dev+0xe2/0x170 [ 2697.402087][ T10] inet6_addr_add+0x12f/0xa40 [ 2697.402087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.402087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.402087][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.402087][ T10] netlink_unicast+0x449/0x710 [ 2697.402087][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.402087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.402087][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.402087][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.402087][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.402087][ T10] [ 2697.404049][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2697.404049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2697.404049][ T10] ipv6_find_idev+0x102/0x170 [ 2697.404049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.404049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.404049][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.404049][ T10] netlink_unicast+0x449/0x710 [ 2697.404049][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.404049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.404049][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.404049][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.404049][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.404049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.404049][ T10] [ 2697.405629][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2697.405629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2697.405629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2697.405629][ T10] ipv6_find_idev+0x102/0x170 [ 2697.405629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.405629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.405629][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.405629][ T10] netlink_unicast+0x449/0x710 [ 2697.405629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.405629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.405629][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.405629][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.405629][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.405629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.405629][ T10] [ 2697.407331][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2697.407572][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2697.407572][ T10] vlan_dev_init+0x97c/0xdd0 [ 2697.407572][ T10] register_netdevice+0x4d3/0x1690 [ 2697.407572][ T10] register_vlan_dev+0x162/0x4a0 [ 2697.407572][ T10] vlan_newlink+0x393/0x610 [ 2697.407572][ T10] rtnl_newlink_create+0x341/0x850 [ 2697.407572][ T10] __rtnl_newlink+0xac9/0xd80 [ 2697.407572][ T10] rtnl_newlink+0x63/0xa0 [ 2697.407572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.407572][ T10] netlink_rcv_skb+0x130/0x360 [ 2697.407572][ T10] netlink_unicast+0x449/0x710 [ 2697.407572][ T10] netlink_sendmsg+0x723/0xbe0 [ 2697.407572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2697.407572][ T10] ___sys_sendmsg+0xee/0x170 [ 2697.407572][ T10] __sys_sendmsg+0xcd/0x170 [ 2697.407572][ T10] do_syscall_64+0xc6/0x1e0 [ 2697.407572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.407572][ T10] [ 2707.652026][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2707.652557][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2707.652557][ T10] netdev_get_by_index+0x5e/0x80 [ 2707.652557][ T10] fib6_nh_init+0x3d8/0x1580 [ 2707.652557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2707.652557][ T10] ip6_route_add+0x1c/0x140 [ 2707.652557][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2707.652557][ T10] inet6_addr_add+0x4f8/0xa40 [ 2707.652557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.652557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.652557][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.652557][ T10] netlink_unicast+0x449/0x710 [ 2707.652557][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.652557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.652557][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.652557][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.652557][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.652557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.652557][ T10] [ 2707.654897][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2707.654897][ T10] netdev_get_by_index+0x5e/0x80 [ 2707.654897][ T10] fib6_nh_init+0x3d8/0x1580 [ 2707.654897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2707.654897][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2707.654897][ T10] ipv6_add_addr+0x411/0x2000 [ 2707.654897][ T10] inet6_addr_add+0x30e/0xa40 [ 2707.654897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.654897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.654897][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.654897][ T10] netlink_unicast+0x449/0x710 [ 2707.654897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.654897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.654897][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.654897][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.654897][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.654897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.654897][ T10] [ 2707.657188][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2707.657188][ T10] netdev_get_by_index+0x5e/0x80 [ 2707.657188][ T10] fib6_nh_init+0x3d8/0x1580 [ 2707.657188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2707.657188][ T10] ip6_route_add+0x1c/0x140 [ 2707.657188][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2707.657188][ T10] addrconf_add_dev+0xe2/0x170 [ 2707.657188][ T10] inet6_addr_add+0x12f/0xa40 [ 2707.657188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.657188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.657188][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.657188][ T10] netlink_unicast+0x449/0x710 [ 2707.657188][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.657188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.657188][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.657188][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.657188][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.657188][ T10] [ 2707.659414][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2707.659414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2707.659414][ T10] ipv6_find_idev+0x102/0x170 [ 2707.659414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.659414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.659414][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.659414][ T10] netlink_unicast+0x449/0x710 [ 2707.659414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.659414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.659414][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.659414][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.659414][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.659414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.659414][ T10] [ 2707.661181][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2707.661181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2707.661181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2707.661181][ T10] ipv6_find_idev+0x102/0x170 [ 2707.661181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.661181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.661181][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.661181][ T10] netlink_unicast+0x449/0x710 [ 2707.661181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.661181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.661181][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.661181][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.661181][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.661181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.661181][ T10] [ 2707.663112][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2707.664014][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2707.664014][ T10] netdev_get_by_index+0x5e/0x80 [ 2707.664014][ T10] fib6_nh_init+0x3d8/0x1580 [ 2707.664014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2707.664014][ T10] ip6_route_add+0x1c/0x140 [ 2707.664014][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2707.664014][ T10] inet6_addr_add+0x4f8/0xa40 [ 2707.664014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.664014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.664014][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.664014][ T10] netlink_unicast+0x449/0x710 [ 2707.664014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.664014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.664014][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.664014][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.664014][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.664014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.664014][ T10] [ 2707.666294][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2707.666294][ T10] netdev_get_by_index+0x5e/0x80 [ 2707.666294][ T10] fib6_nh_init+0x3d8/0x1580 [ 2707.666294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2707.666294][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2707.666294][ T10] ipv6_add_addr+0x411/0x2000 [ 2707.666294][ T10] inet6_addr_add+0x30e/0xa40 [ 2707.666294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.666294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.666294][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.666294][ T10] netlink_unicast+0x449/0x710 [ 2707.666294][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.666294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.666294][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.666294][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.666294][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.666294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.666294][ T10] [ 2707.668575][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2707.668575][ T10] netdev_get_by_index+0x5e/0x80 [ 2707.668575][ T10] fib6_nh_init+0x3d8/0x1580 [ 2707.668575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2707.668575][ T10] ip6_route_add+0x1c/0x140 [ 2707.668575][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2707.668575][ T10] addrconf_add_dev+0xe2/0x170 [ 2707.668575][ T10] inet6_addr_add+0x12f/0xa40 [ 2707.668575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.668575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.668575][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.668575][ T10] netlink_unicast+0x449/0x710 [ 2707.668575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.668575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.668575][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.668575][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.668575][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.668575][ T10] [ 2707.670815][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2707.670815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2707.670815][ T10] ipv6_find_idev+0x102/0x170 [ 2707.670815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.670815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.670815][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.670815][ T10] netlink_unicast+0x449/0x710 [ 2707.670815][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.670815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.670815][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.670815][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.670815][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.670815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.670815][ T10] [ 2707.672579][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2707.672579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2707.672579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2707.672579][ T10] ipv6_find_idev+0x102/0x170 [ 2707.672579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.672579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.672579][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.672579][ T10] netlink_unicast+0x449/0x710 [ 2707.672579][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.672579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.672579][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.672579][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.672579][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.672579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.672579][ T10] [ 2707.710330][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2707.710621][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2707.710621][ T10] vlan_dev_init+0x97c/0xdd0 [ 2707.710621][ T10] register_netdevice+0x4d3/0x1690 [ 2707.710621][ T10] register_vlan_dev+0x162/0x4a0 [ 2707.710621][ T10] vlan_newlink+0x393/0x610 [ 2707.710621][ T10] rtnl_newlink_create+0x341/0x850 [ 2707.710621][ T10] __rtnl_newlink+0xac9/0xd80 [ 2707.710621][ T10] rtnl_newlink+0x63/0xa0 [ 2707.710621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.710621][ T10] netlink_rcv_skb+0x130/0x360 [ 2707.710621][ T10] netlink_unicast+0x449/0x710 [ 2707.710621][ T10] netlink_sendmsg+0x723/0xbe0 [ 2707.710621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2707.710621][ T10] ___sys_sendmsg+0xee/0x170 [ 2707.710621][ T10] __sys_sendmsg+0xcd/0x170 [ 2707.710621][ T10] do_syscall_64+0xc6/0x1e0 [ 2707.710621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.710621][ T10] [ 2717.844083][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2717.844616][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2717.844616][ T10] netdev_get_by_index+0x5e/0x80 [ 2717.844616][ T10] fib6_nh_init+0x3d8/0x1580 [ 2717.844616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2717.844616][ T10] ip6_route_add+0x1c/0x140 [ 2717.844616][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2717.844616][ T10] inet6_addr_add+0x4f8/0xa40 [ 2717.844616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.844616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.844616][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.844616][ T10] netlink_unicast+0x449/0x710 [ 2717.844616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.844616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.844616][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.844616][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.844616][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.844616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.844616][ T10] [ 2717.846890][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2717.846890][ T10] netdev_get_by_index+0x5e/0x80 [ 2717.846890][ T10] fib6_nh_init+0x3d8/0x1580 [ 2717.846890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2717.846890][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2717.846890][ T10] ipv6_add_addr+0x411/0x2000 [ 2717.846890][ T10] inet6_addr_add+0x30e/0xa40 [ 2717.846890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.846890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.846890][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.846890][ T10] netlink_unicast+0x449/0x710 [ 2717.846890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.846890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.846890][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.846890][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.846890][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.846890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.846890][ T10] [ 2717.849233][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2717.849233][ T10] netdev_get_by_index+0x5e/0x80 [ 2717.849233][ T10] fib6_nh_init+0x3d8/0x1580 [ 2717.849233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2717.849233][ T10] ip6_route_add+0x1c/0x140 [ 2717.849233][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.849233][ T10] addrconf_add_dev+0xe2/0x170 [ 2717.849233][ T10] inet6_addr_add+0x12f/0xa40 [ 2717.849233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.849233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.849233][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.849233][ T10] netlink_unicast+0x449/0x710 [ 2717.849233][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.849233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.849233][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.849233][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.849233][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.849233][ T10] [ 2717.851471][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2717.851471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2717.851471][ T10] ipv6_find_idev+0x102/0x170 [ 2717.851471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.851471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.851471][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.851471][ T10] netlink_unicast+0x449/0x710 [ 2717.851471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.851471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.851471][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.851471][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.851471][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.851471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.851471][ T10] [ 2717.853217][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2717.853217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2717.853217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2717.853217][ T10] ipv6_find_idev+0x102/0x170 [ 2717.853217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.853217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.853217][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.853217][ T10] netlink_unicast+0x449/0x710 [ 2717.853217][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.853217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.853217][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.853217][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.853217][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.853217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.853217][ T10] [ 2717.855144][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2717.855440][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2717.855440][ T10] netdev_get_by_index+0x5e/0x80 [ 2717.855440][ T10] fib6_nh_init+0x3d8/0x1580 [ 2717.855440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2717.855440][ T10] ip6_route_add+0x1c/0x140 [ 2717.855440][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2717.855440][ T10] inet6_addr_add+0x4f8/0xa40 [ 2717.855440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.855440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.855440][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.855440][ T10] netlink_unicast+0x449/0x710 [ 2717.855440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.855440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.855440][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.855440][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.855440][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.855440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.855440][ T10] [ 2717.857704][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2717.857704][ T10] netdev_get_by_index+0x5e/0x80 [ 2717.857704][ T10] fib6_nh_init+0x3d8/0x1580 [ 2717.857704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2717.857704][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2717.857704][ T10] ipv6_add_addr+0x411/0x2000 [ 2717.857704][ T10] inet6_addr_add+0x30e/0xa40 [ 2717.857704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.857704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.857704][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.857704][ T10] netlink_unicast+0x449/0x710 [ 2717.857704][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.857704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.857704][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.857704][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.857704][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.857704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.857704][ T10] [ 2717.859953][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2717.859953][ T10] netdev_get_by_index+0x5e/0x80 [ 2717.859953][ T10] fib6_nh_init+0x3d8/0x1580 [ 2717.859953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2717.859953][ T10] ip6_route_add+0x1c/0x140 [ 2717.859953][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.859953][ T10] addrconf_add_dev+0xe2/0x170 [ 2717.859953][ T10] inet6_addr_add+0x12f/0xa40 [ 2717.859953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.859953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.859953][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.859953][ T10] netlink_unicast+0x449/0x710 [ 2717.859953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.859953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.859953][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.859953][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.859953][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.859953][ T10] [ 2717.862168][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2717.862168][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2717.862168][ T10] ipv6_find_idev+0x102/0x170 [ 2717.862168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.862168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.862168][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.862168][ T10] netlink_unicast+0x449/0x710 [ 2717.862168][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.862168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.862168][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.862168][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.862168][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.862168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.862168][ T10] [ 2717.863920][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2717.863920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2717.863920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2717.863920][ T10] ipv6_find_idev+0x102/0x170 [ 2717.863920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.863920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.863920][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.863920][ T10] netlink_unicast+0x449/0x710 [ 2717.863920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.863920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.863920][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.863920][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.863920][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.863920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.863920][ T10] [ 2717.865827][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2717.866110][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2717.866110][ T10] vlan_dev_init+0x97c/0xdd0 [ 2717.866110][ T10] register_netdevice+0x4d3/0x1690 [ 2717.866110][ T10] register_vlan_dev+0x162/0x4a0 [ 2717.866110][ T10] vlan_newlink+0x393/0x610 [ 2717.866110][ T10] rtnl_newlink_create+0x341/0x850 [ 2717.866110][ T10] __rtnl_newlink+0xac9/0xd80 [ 2717.866110][ T10] rtnl_newlink+0x63/0xa0 [ 2717.866110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.866110][ T10] netlink_rcv_skb+0x130/0x360 [ 2717.866110][ T10] netlink_unicast+0x449/0x710 [ 2717.866110][ T10] netlink_sendmsg+0x723/0xbe0 [ 2717.866110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2717.866110][ T10] ___sys_sendmsg+0xee/0x170 [ 2717.866110][ T10] __sys_sendmsg+0xcd/0x170 [ 2717.866110][ T10] do_syscall_64+0xc6/0x1e0 [ 2717.866110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.866110][ T10] [ 2728.035926][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2728.036438][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2728.036438][ T10] netdev_get_by_index+0x5e/0x80 [ 2728.036438][ T10] fib6_nh_init+0x3d8/0x1580 [ 2728.036438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2728.036438][ T10] ip6_route_add+0x1c/0x140 [ 2728.036438][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2728.036438][ T10] inet6_addr_add+0x4f8/0xa40 [ 2728.036438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.036438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.036438][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.036438][ T10] netlink_unicast+0x449/0x710 [ 2728.036438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.036438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.036438][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.036438][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.036438][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.036438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.036438][ T10] [ 2728.038519][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2728.038519][ T10] netdev_get_by_index+0x5e/0x80 [ 2728.038519][ T10] fib6_nh_init+0x3d8/0x1580 [ 2728.038519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2728.038519][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2728.038519][ T10] ipv6_add_addr+0x411/0x2000 [ 2728.038519][ T10] inet6_addr_add+0x30e/0xa40 [ 2728.038519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.038519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.038519][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.038519][ T10] netlink_unicast+0x449/0x710 [ 2728.038519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.038519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.038519][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.038519][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.038519][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.038519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.038519][ T10] [ 2728.040583][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2728.040583][ T10] netdev_get_by_index+0x5e/0x80 [ 2728.040583][ T10] fib6_nh_init+0x3d8/0x1580 [ 2728.040583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2728.040583][ T10] ip6_route_add+0x1c/0x140 [ 2728.040583][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2728.040583][ T10] addrconf_add_dev+0xe2/0x170 [ 2728.040583][ T10] inet6_addr_add+0x12f/0xa40 [ 2728.040583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.040583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.040583][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.040583][ T10] netlink_unicast+0x449/0x710 [ 2728.040583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.040583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.040583][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.040583][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.040583][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.040583][ T10] [ 2728.042611][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2728.042611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2728.042611][ T10] ipv6_find_idev+0x102/0x170 [ 2728.042611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.042611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.042611][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.042611][ T10] netlink_unicast+0x449/0x710 [ 2728.042611][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.042611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.042611][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.042611][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.042611][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.042611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.042611][ T10] [ 2728.046779][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2728.046779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2728.046779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2728.046779][ T10] ipv6_find_idev+0x102/0x170 [ 2728.046779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.046779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.046779][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.046779][ T10] netlink_unicast+0x449/0x710 [ 2728.046779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.046779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.046779][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.046779][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.046779][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.046779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.046779][ T10] [ 2728.049875][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2728.050182][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2728.050182][ T10] netdev_get_by_index+0x5e/0x80 [ 2728.050182][ T10] fib6_nh_init+0x3d8/0x1580 [ 2728.050182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2728.050182][ T10] ip6_route_add+0x1c/0x140 [ 2728.050182][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2728.050182][ T10] inet6_addr_add+0x4f8/0xa40 [ 2728.050182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.050182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.050182][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.050182][ T10] netlink_unicast+0x449/0x710 [ 2728.050182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.050182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.050182][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.050182][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.050182][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.050182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.050182][ T10] [ 2728.052224][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2728.052224][ T10] netdev_get_by_index+0x5e/0x80 [ 2728.052224][ T10] fib6_nh_init+0x3d8/0x1580 [ 2728.052224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2728.052224][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2728.052224][ T10] ipv6_add_addr+0x411/0x2000 [ 2728.052224][ T10] inet6_addr_add+0x30e/0xa40 [ 2728.052224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.052224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.052224][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.052224][ T10] netlink_unicast+0x449/0x710 [ 2728.052224][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.052224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.052224][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.052224][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.052224][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.052224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.052224][ T10] [ 2728.054269][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2728.054269][ T10] netdev_get_by_index+0x5e/0x80 [ 2728.054269][ T10] fib6_nh_init+0x3d8/0x1580 [ 2728.054269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2728.054269][ T10] ip6_route_add+0x1c/0x140 [ 2728.054269][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2728.054269][ T10] addrconf_add_dev+0xe2/0x170 [ 2728.054269][ T10] inet6_addr_add+0x12f/0xa40 [ 2728.054269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.054269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.054269][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.054269][ T10] netlink_unicast+0x449/0x710 [ 2728.054269][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.054269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.054269][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.054269][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.054269][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.054269][ T10] [ 2728.056270][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2728.056270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2728.056270][ T10] ipv6_find_idev+0x102/0x170 [ 2728.056270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.056270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.056270][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.056270][ T10] netlink_unicast+0x449/0x710 [ 2728.056270][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.056270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.056270][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.056270][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.056270][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.056270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.056270][ T10] [ 2728.057841][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2728.057841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2728.057841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2728.057841][ T10] ipv6_find_idev+0x102/0x170 [ 2728.057841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.057841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.057841][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.057841][ T10] netlink_unicast+0x449/0x710 [ 2728.057841][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.057841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.057841][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.057841][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.057841][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.057841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.057841][ T10] [ 2728.059575][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2728.059838][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2728.059838][ T10] vlan_dev_init+0x97c/0xdd0 [ 2728.059838][ T10] register_netdevice+0x4d3/0x1690 [ 2728.059838][ T10] register_vlan_dev+0x162/0x4a0 [ 2728.059838][ T10] vlan_newlink+0x393/0x610 [ 2728.059838][ T10] rtnl_newlink_create+0x341/0x850 [ 2728.059838][ T10] __rtnl_newlink+0xac9/0xd80 [ 2728.059838][ T10] rtnl_newlink+0x63/0xa0 [ 2728.059838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.059838][ T10] netlink_rcv_skb+0x130/0x360 [ 2728.059838][ T10] netlink_unicast+0x449/0x710 [ 2728.059838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2728.059838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2728.059838][ T10] ___sys_sendmsg+0xee/0x170 [ 2728.059838][ T10] __sys_sendmsg+0xcd/0x170 [ 2728.059838][ T10] do_syscall_64+0xc6/0x1e0 [ 2728.059838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.059838][ T10] [ 2738.171939][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2738.172424][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2738.172424][ T10] netdev_get_by_index+0x5e/0x80 [ 2738.172424][ T10] fib6_nh_init+0x3d8/0x1580 [ 2738.172424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2738.172424][ T10] ip6_route_add+0x1c/0x140 [ 2738.172424][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2738.172424][ T10] inet6_addr_add+0x4f8/0xa40 [ 2738.172424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.172424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.172424][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.172424][ T10] netlink_unicast+0x449/0x710 [ 2738.172424][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.172424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.172424][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.172424][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.172424][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.172424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.172424][ T10] [ 2738.174471][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2738.174471][ T10] netdev_get_by_index+0x5e/0x80 [ 2738.174471][ T10] fib6_nh_init+0x3d8/0x1580 [ 2738.174471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2738.174471][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2738.174471][ T10] ipv6_add_addr+0x411/0x2000 [ 2738.174471][ T10] inet6_addr_add+0x30e/0xa40 [ 2738.174471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.174471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.174471][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.174471][ T10] netlink_unicast+0x449/0x710 [ 2738.174471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.174471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.174471][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.174471][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.174471][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.174471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.174471][ T10] [ 2738.176529][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2738.176529][ T10] netdev_get_by_index+0x5e/0x80 [ 2738.176529][ T10] fib6_nh_init+0x3d8/0x1580 [ 2738.176529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2738.176529][ T10] ip6_route_add+0x1c/0x140 [ 2738.176529][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.176529][ T10] addrconf_add_dev+0xe2/0x170 [ 2738.176529][ T10] inet6_addr_add+0x12f/0xa40 [ 2738.176529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.176529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.176529][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.176529][ T10] netlink_unicast+0x449/0x710 [ 2738.176529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.176529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.176529][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.176529][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.176529][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.176529][ T10] [ 2738.178624][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2738.178624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2738.178624][ T10] ipv6_find_idev+0x102/0x170 [ 2738.178624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.178624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.178624][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.178624][ T10] netlink_unicast+0x449/0x710 [ 2738.178624][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.178624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.178624][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.178624][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.178624][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.178624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.178624][ T10] [ 2738.180215][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2738.180215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2738.180215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2738.180215][ T10] ipv6_find_idev+0x102/0x170 [ 2738.180215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.180215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.180215][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.180215][ T10] netlink_unicast+0x449/0x710 [ 2738.180215][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.180215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.180215][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.180215][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.180215][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.180215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.180215][ T10] [ 2738.181973][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2738.182257][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2738.182257][ T10] netdev_get_by_index+0x5e/0x80 [ 2738.182257][ T10] fib6_nh_init+0x3d8/0x1580 [ 2738.182257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2738.182257][ T10] ip6_route_add+0x1c/0x140 [ 2738.182257][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2738.182257][ T10] inet6_addr_add+0x4f8/0xa40 [ 2738.182257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.182257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.182257][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.182257][ T10] netlink_unicast+0x449/0x710 [ 2738.182257][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.182257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.182257][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.182257][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.182257][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.182257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.182257][ T10] [ 2738.184305][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2738.184305][ T10] netdev_get_by_index+0x5e/0x80 [ 2738.184305][ T10] fib6_nh_init+0x3d8/0x1580 [ 2738.184305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2738.184305][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2738.184305][ T10] ipv6_add_addr+0x411/0x2000 [ 2738.184305][ T10] inet6_addr_add+0x30e/0xa40 [ 2738.184305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.184305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.184305][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.184305][ T10] netlink_unicast+0x449/0x710 [ 2738.184305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.184305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.184305][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.184305][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.184305][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.184305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.184305][ T10] [ 2738.186329][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2738.186329][ T10] netdev_get_by_index+0x5e/0x80 [ 2738.186329][ T10] fib6_nh_init+0x3d8/0x1580 [ 2738.186329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2738.186329][ T10] ip6_route_add+0x1c/0x140 [ 2738.186329][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.186329][ T10] addrconf_add_dev+0xe2/0x170 [ 2738.186329][ T10] inet6_addr_add+0x12f/0xa40 [ 2738.186329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.186329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.186329][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.186329][ T10] netlink_unicast+0x449/0x710 [ 2738.186329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.186329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.186329][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.186329][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.186329][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.186329][ T10] [ 2738.188331][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2738.188331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2738.188331][ T10] ipv6_find_idev+0x102/0x170 [ 2738.188331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.188331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.188331][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.188331][ T10] netlink_unicast+0x449/0x710 [ 2738.188331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.188331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.188331][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.188331][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.188331][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.188331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.188331][ T10] [ 2738.189902][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2738.189902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2738.189902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2738.189902][ T10] ipv6_find_idev+0x102/0x170 [ 2738.189902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.189902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.189902][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.189902][ T10] netlink_unicast+0x449/0x710 [ 2738.189902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.189902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.189902][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.189902][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.189902][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.189902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.189902][ T10] [ 2738.191625][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2738.191876][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2738.191876][ T10] vlan_dev_init+0x97c/0xdd0 [ 2738.191876][ T10] register_netdevice+0x4d3/0x1690 [ 2738.191876][ T10] register_vlan_dev+0x162/0x4a0 [ 2738.191876][ T10] vlan_newlink+0x393/0x610 [ 2738.191876][ T10] rtnl_newlink_create+0x341/0x850 [ 2738.191876][ T10] __rtnl_newlink+0xac9/0xd80 [ 2738.191876][ T10] rtnl_newlink+0x63/0xa0 [ 2738.191876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.191876][ T10] netlink_rcv_skb+0x130/0x360 [ 2738.191876][ T10] netlink_unicast+0x449/0x710 [ 2738.191876][ T10] netlink_sendmsg+0x723/0xbe0 [ 2738.191876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2738.191876][ T10] ___sys_sendmsg+0xee/0x170 [ 2738.191876][ T10] __sys_sendmsg+0xcd/0x170 [ 2738.191876][ T10] do_syscall_64+0xc6/0x1e0 [ 2738.191876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.191876][ T10] [ 2748.435994][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2748.436450][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2748.436450][ T10] netdev_get_by_index+0x5e/0x80 [ 2748.436450][ T10] fib6_nh_init+0x3d8/0x1580 [ 2748.436450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2748.436450][ T10] ip6_route_add+0x1c/0x140 [ 2748.436450][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2748.436450][ T10] inet6_addr_add+0x4f8/0xa40 [ 2748.436450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.436450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.436450][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.436450][ T10] netlink_unicast+0x449/0x710 [ 2748.436450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.436450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.436450][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.436450][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.436450][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.436450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.436450][ T10] [ 2748.438547][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2748.438547][ T10] netdev_get_by_index+0x5e/0x80 [ 2748.438547][ T10] fib6_nh_init+0x3d8/0x1580 [ 2748.438547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2748.438547][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2748.438547][ T10] ipv6_add_addr+0x411/0x2000 [ 2748.438547][ T10] inet6_addr_add+0x30e/0xa40 [ 2748.438547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.438547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.438547][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.438547][ T10] netlink_unicast+0x449/0x710 [ 2748.438547][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.438547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.438547][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.438547][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.438547][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.438547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.438547][ T10] [ 2748.440593][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2748.440593][ T10] netdev_get_by_index+0x5e/0x80 [ 2748.440593][ T10] fib6_nh_init+0x3d8/0x1580 [ 2748.440593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2748.440593][ T10] ip6_route_add+0x1c/0x140 [ 2748.440593][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2748.440593][ T10] addrconf_add_dev+0xe2/0x170 [ 2748.440593][ T10] inet6_addr_add+0x12f/0xa40 [ 2748.440593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.440593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.440593][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.440593][ T10] netlink_unicast+0x449/0x710 [ 2748.440593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.440593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.440593][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.440593][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.440593][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.440593][ T10] [ 2748.442603][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2748.442603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2748.442603][ T10] ipv6_find_idev+0x102/0x170 [ 2748.442603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.442603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.442603][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.442603][ T10] netlink_unicast+0x449/0x710 [ 2748.442603][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.442603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.442603][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.442603][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.442603][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.442603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.442603][ T10] [ 2748.444168][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2748.444168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2748.444168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2748.444168][ T10] ipv6_find_idev+0x102/0x170 [ 2748.444168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.444168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.444168][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.444168][ T10] netlink_unicast+0x449/0x710 [ 2748.444168][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.444168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.444168][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.444168][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.444168][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.444168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.444168][ T10] [ 2748.445914][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2748.446197][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2748.446197][ T10] netdev_get_by_index+0x5e/0x80 [ 2748.446197][ T10] fib6_nh_init+0x3d8/0x1580 [ 2748.446197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2748.446197][ T10] ip6_route_add+0x1c/0x140 [ 2748.446197][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2748.446197][ T10] inet6_addr_add+0x4f8/0xa40 [ 2748.446197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.446197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.446197][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.446197][ T10] netlink_unicast+0x449/0x710 [ 2748.446197][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.446197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.446197][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.446197][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.446197][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.446197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.446197][ T10] [ 2748.448236][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2748.448236][ T10] netdev_get_by_index+0x5e/0x80 [ 2748.448236][ T10] fib6_nh_init+0x3d8/0x1580 [ 2748.448236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2748.448236][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2748.448236][ T10] ipv6_add_addr+0x411/0x2000 [ 2748.448236][ T10] inet6_addr_add+0x30e/0xa40 [ 2748.448236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.448236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.448236][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.448236][ T10] netlink_unicast+0x449/0x710 [ 2748.448236][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.448236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.448236][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.448236][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.448236][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.448236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.448236][ T10] [ 2748.450280][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2748.450280][ T10] netdev_get_by_index+0x5e/0x80 [ 2748.450280][ T10] fib6_nh_init+0x3d8/0x1580 [ 2748.450280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2748.450280][ T10] ip6_route_add+0x1c/0x140 [ 2748.450280][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2748.450280][ T10] addrconf_add_dev+0xe2/0x170 [ 2748.450280][ T10] inet6_addr_add+0x12f/0xa40 [ 2748.450280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.450280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.450280][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.450280][ T10] netlink_unicast+0x449/0x710 [ 2748.450280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.450280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.450280][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.450280][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.450280][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.450280][ T10] [ 2748.453183][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2748.453183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2748.453183][ T10] ipv6_find_idev+0x102/0x170 [ 2748.453183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.453183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.453183][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.453183][ T10] netlink_unicast+0x449/0x710 [ 2748.453183][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.453183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.453183][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.453183][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.453183][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.453183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.453183][ T10] [ 2748.454735][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2748.454735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2748.454735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2748.454735][ T10] ipv6_find_idev+0x102/0x170 [ 2748.454735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.454735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.454735][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.454735][ T10] netlink_unicast+0x449/0x710 [ 2748.454735][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.454735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.454735][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.454735][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.454735][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.454735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.454735][ T10] [ 2748.456455][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2748.456711][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2748.456711][ T10] vlan_dev_init+0x97c/0xdd0 [ 2748.456711][ T10] register_netdevice+0x4d3/0x1690 [ 2748.456711][ T10] register_vlan_dev+0x162/0x4a0 [ 2748.456711][ T10] vlan_newlink+0x393/0x610 [ 2748.456711][ T10] rtnl_newlink_create+0x341/0x850 [ 2748.456711][ T10] __rtnl_newlink+0xac9/0xd80 [ 2748.456711][ T10] rtnl_newlink+0x63/0xa0 [ 2748.456711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.456711][ T10] netlink_rcv_skb+0x130/0x360 [ 2748.456711][ T10] netlink_unicast+0x449/0x710 [ 2748.456711][ T10] netlink_sendmsg+0x723/0xbe0 [ 2748.456711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2748.456711][ T10] ___sys_sendmsg+0xee/0x170 [ 2748.456711][ T10] __sys_sendmsg+0xcd/0x170 [ 2748.456711][ T10] do_syscall_64+0xc6/0x1e0 [ 2748.456711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.456711][ T10] [ 2758.643936][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2758.644476][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2758.644476][ T10] netdev_get_by_index+0x5e/0x80 [ 2758.644476][ T10] fib6_nh_init+0x3d8/0x1580 [ 2758.644476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2758.644476][ T10] ip6_route_add+0x1c/0x140 [ 2758.644476][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2758.644476][ T10] inet6_addr_add+0x4f8/0xa40 [ 2758.644476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.644476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.644476][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.644476][ T10] netlink_unicast+0x449/0x710 [ 2758.644476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.644476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.644476][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.644476][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.644476][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.644476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.644476][ T10] [ 2758.646748][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2758.646748][ T10] netdev_get_by_index+0x5e/0x80 [ 2758.646748][ T10] fib6_nh_init+0x3d8/0x1580 [ 2758.646748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2758.646748][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2758.646748][ T10] ipv6_add_addr+0x411/0x2000 [ 2758.646748][ T10] inet6_addr_add+0x30e/0xa40 [ 2758.646748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.646748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.646748][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.646748][ T10] netlink_unicast+0x449/0x710 [ 2758.646748][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.646748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.646748][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.646748][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.646748][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.646748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.646748][ T10] [ 2758.649026][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2758.649026][ T10] netdev_get_by_index+0x5e/0x80 [ 2758.649026][ T10] fib6_nh_init+0x3d8/0x1580 [ 2758.649026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2758.649026][ T10] ip6_route_add+0x1c/0x140 [ 2758.649026][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.649026][ T10] addrconf_add_dev+0xe2/0x170 [ 2758.649026][ T10] inet6_addr_add+0x12f/0xa40 [ 2758.649026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.649026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.649026][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.649026][ T10] netlink_unicast+0x449/0x710 [ 2758.649026][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.649026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.649026][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.649026][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.649026][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.649026][ T10] [ 2758.651258][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2758.651258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2758.651258][ T10] ipv6_find_idev+0x102/0x170 [ 2758.651258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.651258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.651258][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.651258][ T10] netlink_unicast+0x449/0x710 [ 2758.651258][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.651258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.651258][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.651258][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.651258][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.651258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.651258][ T10] [ 2758.653006][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2758.653006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2758.653006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2758.653006][ T10] ipv6_find_idev+0x102/0x170 [ 2758.653006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.653006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.653006][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.653006][ T10] netlink_unicast+0x449/0x710 [ 2758.653006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.653006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.653006][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.653006][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.653006][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.653006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.653006][ T10] [ 2758.654922][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2758.655219][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2758.655219][ T10] netdev_get_by_index+0x5e/0x80 [ 2758.655219][ T10] fib6_nh_init+0x3d8/0x1580 [ 2758.655219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2758.655219][ T10] ip6_route_add+0x1c/0x140 [ 2758.655219][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2758.655219][ T10] inet6_addr_add+0x4f8/0xa40 [ 2758.655219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.655219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.655219][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.655219][ T10] netlink_unicast+0x449/0x710 [ 2758.655219][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.655219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.655219][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.655219][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.655219][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.655219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.655219][ T10] [ 2758.657496][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2758.657496][ T10] netdev_get_by_index+0x5e/0x80 [ 2758.657496][ T10] fib6_nh_init+0x3d8/0x1580 [ 2758.657496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2758.657496][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2758.657496][ T10] ipv6_add_addr+0x411/0x2000 [ 2758.657496][ T10] inet6_addr_add+0x30e/0xa40 [ 2758.657496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.657496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.657496][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.657496][ T10] netlink_unicast+0x449/0x710 [ 2758.657496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.657496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.657496][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.657496][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.657496][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.657496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.657496][ T10] [ 2758.659771][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2758.659771][ T10] netdev_get_by_index+0x5e/0x80 [ 2758.659771][ T10] fib6_nh_init+0x3d8/0x1580 [ 2758.659771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2758.659771][ T10] ip6_route_add+0x1c/0x140 [ 2758.659771][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.659771][ T10] addrconf_add_dev+0xe2/0x170 [ 2758.659771][ T10] inet6_addr_add+0x12f/0xa40 [ 2758.659771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.659771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.659771][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.659771][ T10] netlink_unicast+0x449/0x710 [ 2758.659771][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.659771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.659771][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.659771][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.659771][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.659771][ T10] [ 2758.662007][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2758.662007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2758.662007][ T10] ipv6_find_idev+0x102/0x170 [ 2758.662007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.662007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.662007][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.662007][ T10] netlink_unicast+0x449/0x710 [ 2758.662007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.662007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.662007][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.662007][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.662007][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.662007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.662007][ T10] [ 2758.663768][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2758.663768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2758.663768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2758.663768][ T10] ipv6_find_idev+0x102/0x170 [ 2758.663768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.663768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.663768][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.663768][ T10] netlink_unicast+0x449/0x710 [ 2758.663768][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.663768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.663768][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.663768][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.663768][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.663768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.663768][ T10] [ 2758.665667][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2758.665955][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2758.665955][ T10] vlan_dev_init+0x97c/0xdd0 [ 2758.665955][ T10] register_netdevice+0x4d3/0x1690 [ 2758.665955][ T10] register_vlan_dev+0x162/0x4a0 [ 2758.665955][ T10] vlan_newlink+0x393/0x610 [ 2758.665955][ T10] rtnl_newlink_create+0x341/0x850 [ 2758.665955][ T10] __rtnl_newlink+0xac9/0xd80 [ 2758.665955][ T10] rtnl_newlink+0x63/0xa0 [ 2758.665955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.665955][ T10] netlink_rcv_skb+0x130/0x360 [ 2758.665955][ T10] netlink_unicast+0x449/0x710 [ 2758.665955][ T10] netlink_sendmsg+0x723/0xbe0 [ 2758.665955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2758.665955][ T10] ___sys_sendmsg+0xee/0x170 [ 2758.665955][ T10] __sys_sendmsg+0xcd/0x170 [ 2758.665955][ T10] do_syscall_64+0xc6/0x1e0 [ 2758.665955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.665955][ T10] [ 2768.907921][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2768.908438][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2768.908438][ T10] netdev_get_by_index+0x5e/0x80 [ 2768.908438][ T10] fib6_nh_init+0x3d8/0x1580 [ 2768.908438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2768.908438][ T10] ip6_route_add+0x1c/0x140 [ 2768.908438][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2768.908438][ T10] inet6_addr_add+0x4f8/0xa40 [ 2768.908438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.908438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.908438][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.908438][ T10] netlink_unicast+0x449/0x710 [ 2768.908438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.908438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.908438][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.908438][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.908438][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.908438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.908438][ T10] [ 2768.910771][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2768.910771][ T10] netdev_get_by_index+0x5e/0x80 [ 2768.910771][ T10] fib6_nh_init+0x3d8/0x1580 [ 2768.910771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2768.910771][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2768.910771][ T10] ipv6_add_addr+0x411/0x2000 [ 2768.910771][ T10] inet6_addr_add+0x30e/0xa40 [ 2768.910771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.910771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.910771][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.910771][ T10] netlink_unicast+0x449/0x710 [ 2768.910771][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.910771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.910771][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.910771][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.910771][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.910771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.910771][ T10] [ 2768.913012][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2768.913012][ T10] netdev_get_by_index+0x5e/0x80 [ 2768.913012][ T10] fib6_nh_init+0x3d8/0x1580 [ 2768.913012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2768.913012][ T10] ip6_route_add+0x1c/0x140 [ 2768.913012][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2768.913012][ T10] addrconf_add_dev+0xe2/0x170 [ 2768.913012][ T10] inet6_addr_add+0x12f/0xa40 [ 2768.913012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.913012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.913012][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.913012][ T10] netlink_unicast+0x449/0x710 [ 2768.913012][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.913012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.913012][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.913012][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.913012][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.913012][ T10] [ 2768.915241][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2768.915241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2768.915241][ T10] ipv6_find_idev+0x102/0x170 [ 2768.915241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.915241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.915241][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.915241][ T10] netlink_unicast+0x449/0x710 [ 2768.915241][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.915241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.915241][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.915241][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.915241][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.915241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.915241][ T10] [ 2768.917613][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2768.917613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2768.917613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2768.917613][ T10] ipv6_find_idev+0x102/0x170 [ 2768.917613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.917613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.917613][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.917613][ T10] netlink_unicast+0x449/0x710 [ 2768.917613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.917613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.917613][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.917613][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.917613][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.917613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.917613][ T10] [ 2768.919530][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2768.919834][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2768.919834][ T10] netdev_get_by_index+0x5e/0x80 [ 2768.919834][ T10] fib6_nh_init+0x3d8/0x1580 [ 2768.919834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2768.919834][ T10] ip6_route_add+0x1c/0x140 [ 2768.919834][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2768.919834][ T10] inet6_addr_add+0x4f8/0xa40 [ 2768.919834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.919834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.919834][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.919834][ T10] netlink_unicast+0x449/0x710 [ 2768.919834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.919834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.919834][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.919834][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.919834][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.919834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.919834][ T10] [ 2768.922101][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2768.922101][ T10] netdev_get_by_index+0x5e/0x80 [ 2768.922101][ T10] fib6_nh_init+0x3d8/0x1580 [ 2768.922101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2768.922101][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2768.922101][ T10] ipv6_add_addr+0x411/0x2000 [ 2768.922101][ T10] inet6_addr_add+0x30e/0xa40 [ 2768.922101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.922101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.922101][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.922101][ T10] netlink_unicast+0x449/0x710 [ 2768.922101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.922101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.922101][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.922101][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.922101][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.922101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.922101][ T10] [ 2768.924365][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2768.924365][ T10] netdev_get_by_index+0x5e/0x80 [ 2768.924365][ T10] fib6_nh_init+0x3d8/0x1580 [ 2768.924365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2768.924365][ T10] ip6_route_add+0x1c/0x140 [ 2768.924365][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2768.924365][ T10] addrconf_add_dev+0xe2/0x170 [ 2768.924365][ T10] inet6_addr_add+0x12f/0xa40 [ 2768.924365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.924365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.924365][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.924365][ T10] netlink_unicast+0x449/0x710 [ 2768.924365][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.924365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.924365][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.924365][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.924365][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.924365][ T10] [ 2768.926594][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2768.926594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2768.926594][ T10] ipv6_find_idev+0x102/0x170 [ 2768.926594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.926594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.926594][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.926594][ T10] netlink_unicast+0x449/0x710 [ 2768.926594][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.926594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.926594][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.926594][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.926594][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.926594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.926594][ T10] [ 2768.928329][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2768.928329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2768.928329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2768.928329][ T10] ipv6_find_idev+0x102/0x170 [ 2768.928329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.928329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.928329][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.928329][ T10] netlink_unicast+0x449/0x710 [ 2768.928329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.928329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.928329][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.928329][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.928329][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.928329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.928329][ T10] [ 2768.930228][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2768.930506][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2768.930506][ T10] vlan_dev_init+0x97c/0xdd0 [ 2768.930506][ T10] register_netdevice+0x4d3/0x1690 [ 2768.930506][ T10] register_vlan_dev+0x162/0x4a0 [ 2768.930506][ T10] vlan_newlink+0x393/0x610 [ 2768.930506][ T10] rtnl_newlink_create+0x341/0x850 [ 2768.930506][ T10] __rtnl_newlink+0xac9/0xd80 [ 2768.930506][ T10] rtnl_newlink+0x63/0xa0 [ 2768.930506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.930506][ T10] netlink_rcv_skb+0x130/0x360 [ 2768.930506][ T10] netlink_unicast+0x449/0x710 [ 2768.930506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2768.930506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2768.930506][ T10] ___sys_sendmsg+0xee/0x170 [ 2768.930506][ T10] __sys_sendmsg+0xcd/0x170 [ 2768.930506][ T10] do_syscall_64+0xc6/0x1e0 [ 2768.930506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.930506][ T10] [ 2779.172015][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2779.172522][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2779.172522][ T10] netdev_get_by_index+0x5e/0x80 [ 2779.172522][ T10] fib6_nh_init+0x3d8/0x1580 [ 2779.172522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2779.172522][ T10] ip6_route_add+0x1c/0x140 [ 2779.172522][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2779.172522][ T10] inet6_addr_add+0x4f8/0xa40 [ 2779.172522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.172522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.172522][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.172522][ T10] netlink_unicast+0x449/0x710 [ 2779.172522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.172522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.172522][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.172522][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.172522][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.172522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.172522][ T10] [ 2779.174834][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2779.174834][ T10] netdev_get_by_index+0x5e/0x80 [ 2779.174834][ T10] fib6_nh_init+0x3d8/0x1580 [ 2779.174834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2779.174834][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2779.174834][ T10] ipv6_add_addr+0x411/0x2000 [ 2779.174834][ T10] inet6_addr_add+0x30e/0xa40 [ 2779.174834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.174834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.174834][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.174834][ T10] netlink_unicast+0x449/0x710 [ 2779.174834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.174834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.174834][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.174834][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.174834][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.174834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.174834][ T10] [ 2779.177101][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2779.177101][ T10] netdev_get_by_index+0x5e/0x80 [ 2779.177101][ T10] fib6_nh_init+0x3d8/0x1580 [ 2779.177101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2779.177101][ T10] ip6_route_add+0x1c/0x140 [ 2779.177101][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2779.177101][ T10] addrconf_add_dev+0xe2/0x170 [ 2779.177101][ T10] inet6_addr_add+0x12f/0xa40 [ 2779.177101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.177101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.177101][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.177101][ T10] netlink_unicast+0x449/0x710 [ 2779.177101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.177101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.177101][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.177101][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.177101][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.177101][ T10] [ 2779.179341][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2779.179341][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2779.179341][ T10] ipv6_find_idev+0x102/0x170 [ 2779.179341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.179341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.179341][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.179341][ T10] netlink_unicast+0x449/0x710 [ 2779.179341][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.179341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.179341][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.179341][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.179341][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.179341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.179341][ T10] [ 2779.181101][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2779.181101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2779.181101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2779.181101][ T10] ipv6_find_idev+0x102/0x170 [ 2779.181101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.181101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.181101][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.181101][ T10] netlink_unicast+0x449/0x710 [ 2779.181101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.181101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.181101][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.181101][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.181101][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.181101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.181101][ T10] [ 2779.183030][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2779.183349][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2779.183349][ T10] netdev_get_by_index+0x5e/0x80 [ 2779.183349][ T10] fib6_nh_init+0x3d8/0x1580 [ 2779.183349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2779.183349][ T10] ip6_route_add+0x1c/0x140 [ 2779.183349][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2779.183349][ T10] inet6_addr_add+0x4f8/0xa40 [ 2779.183349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.183349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.183349][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.183349][ T10] netlink_unicast+0x449/0x710 [ 2779.183349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.183349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.183349][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.183349][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.183349][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.183349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.183349][ T10] [ 2779.185638][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2779.185638][ T10] netdev_get_by_index+0x5e/0x80 [ 2779.185638][ T10] fib6_nh_init+0x3d8/0x1580 [ 2779.185638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2779.185638][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2779.185638][ T10] ipv6_add_addr+0x411/0x2000 [ 2779.185638][ T10] inet6_addr_add+0x30e/0xa40 [ 2779.185638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.185638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.185638][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.185638][ T10] netlink_unicast+0x449/0x710 [ 2779.185638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.185638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.185638][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.185638][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.185638][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.185638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.185638][ T10] [ 2779.187913][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2779.187913][ T10] netdev_get_by_index+0x5e/0x80 [ 2779.187913][ T10] fib6_nh_init+0x3d8/0x1580 [ 2779.187913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2779.187913][ T10] ip6_route_add+0x1c/0x140 [ 2779.187913][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2779.187913][ T10] addrconf_add_dev+0xe2/0x170 [ 2779.187913][ T10] inet6_addr_add+0x12f/0xa40 [ 2779.187913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.187913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.187913][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.187913][ T10] netlink_unicast+0x449/0x710 [ 2779.187913][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.187913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.187913][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.187913][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.187913][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.187913][ T10] [ 2779.190132][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2779.190132][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2779.190132][ T10] ipv6_find_idev+0x102/0x170 [ 2779.190132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.190132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.190132][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.190132][ T10] netlink_unicast+0x449/0x710 [ 2779.190132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.190132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.190132][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.190132][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.190132][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.190132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.190132][ T10] [ 2779.191890][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2779.191890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2779.191890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2779.191890][ T10] ipv6_find_idev+0x102/0x170 [ 2779.191890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.191890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.191890][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.191890][ T10] netlink_unicast+0x449/0x710 [ 2779.191890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.191890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.191890][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.191890][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.191890][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.191890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.191890][ T10] [ 2779.193815][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2779.194098][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2779.194098][ T10] vlan_dev_init+0x97c/0xdd0 [ 2779.194098][ T10] register_netdevice+0x4d3/0x1690 [ 2779.194098][ T10] register_vlan_dev+0x162/0x4a0 [ 2779.194098][ T10] vlan_newlink+0x393/0x610 [ 2779.194098][ T10] rtnl_newlink_create+0x341/0x850 [ 2779.194098][ T10] __rtnl_newlink+0xac9/0xd80 [ 2779.194098][ T10] rtnl_newlink+0x63/0xa0 [ 2779.194098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.194098][ T10] netlink_rcv_skb+0x130/0x360 [ 2779.194098][ T10] netlink_unicast+0x449/0x710 [ 2779.194098][ T10] netlink_sendmsg+0x723/0xbe0 [ 2779.194098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2779.194098][ T10] ___sys_sendmsg+0xee/0x170 [ 2779.194098][ T10] __sys_sendmsg+0xcd/0x170 [ 2779.194098][ T10] do_syscall_64+0xc6/0x1e0 [ 2779.194098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.194098][ T10] [ 2789.308002][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2789.308488][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2789.308488][ T10] netdev_get_by_index+0x5e/0x80 [ 2789.308488][ T10] fib6_nh_init+0x3d8/0x1580 [ 2789.308488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2789.308488][ T10] ip6_route_add+0x1c/0x140 [ 2789.308488][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2789.308488][ T10] inet6_addr_add+0x4f8/0xa40 [ 2789.308488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.308488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.308488][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.308488][ T10] netlink_unicast+0x449/0x710 [ 2789.308488][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.308488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.308488][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.308488][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.308488][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.308488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.308488][ T10] [ 2789.310538][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2789.310538][ T10] netdev_get_by_index+0x5e/0x80 [ 2789.310538][ T10] fib6_nh_init+0x3d8/0x1580 [ 2789.310538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2789.310538][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2789.310538][ T10] ipv6_add_addr+0x411/0x2000 [ 2789.310538][ T10] inet6_addr_add+0x30e/0xa40 [ 2789.310538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.310538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.310538][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.310538][ T10] netlink_unicast+0x449/0x710 [ 2789.310538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.310538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.310538][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.310538][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.310538][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.310538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.310538][ T10] [ 2789.312547][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2789.312547][ T10] netdev_get_by_index+0x5e/0x80 [ 2789.312547][ T10] fib6_nh_init+0x3d8/0x1580 [ 2789.312547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2789.312547][ T10] ip6_route_add+0x1c/0x140 [ 2789.312547][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.312547][ T10] addrconf_add_dev+0xe2/0x170 [ 2789.312547][ T10] inet6_addr_add+0x12f/0xa40 [ 2789.312547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.312547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.312547][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.312547][ T10] netlink_unicast+0x449/0x710 [ 2789.312547][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.312547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.312547][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.312547][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.312547][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.312547][ T10] [ 2789.314527][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2789.314527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2789.314527][ T10] ipv6_find_idev+0x102/0x170 [ 2789.314527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.314527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.314527][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.314527][ T10] netlink_unicast+0x449/0x710 [ 2789.314527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.314527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.314527][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.314527][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.314527][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.314527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.314527][ T10] [ 2789.316085][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2789.316085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2789.316085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2789.316085][ T10] ipv6_find_idev+0x102/0x170 [ 2789.316085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.316085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.316085][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.316085][ T10] netlink_unicast+0x449/0x710 [ 2789.316085][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.316085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.316085][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.316085][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.316085][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.316085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.316085][ T10] [ 2789.317789][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2789.318075][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2789.318075][ T10] netdev_get_by_index+0x5e/0x80 [ 2789.318075][ T10] fib6_nh_init+0x3d8/0x1580 [ 2789.318075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2789.318075][ T10] ip6_route_add+0x1c/0x140 [ 2789.318075][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2789.318075][ T10] inet6_addr_add+0x4f8/0xa40 [ 2789.318075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.318075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.318075][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.318075][ T10] netlink_unicast+0x449/0x710 [ 2789.318075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.318075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.318075][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.318075][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.318075][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.318075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.318075][ T10] [ 2789.320097][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2789.320097][ T10] netdev_get_by_index+0x5e/0x80 [ 2789.320097][ T10] fib6_nh_init+0x3d8/0x1580 [ 2789.320097][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2789.320097][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2789.320097][ T10] ipv6_add_addr+0x411/0x2000 [ 2789.320097][ T10] inet6_addr_add+0x30e/0xa40 [ 2789.320097][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.320097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.320097][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.320097][ T10] netlink_unicast+0x449/0x710 [ 2789.320097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.320097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.320097][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.320097][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.320097][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.320097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.320097][ T10] [ 2789.322101][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2789.322101][ T10] netdev_get_by_index+0x5e/0x80 [ 2789.322101][ T10] fib6_nh_init+0x3d8/0x1580 [ 2789.322101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2789.322101][ T10] ip6_route_add+0x1c/0x140 [ 2789.322101][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.322101][ T10] addrconf_add_dev+0xe2/0x170 [ 2789.322101][ T10] inet6_addr_add+0x12f/0xa40 [ 2789.322101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.322101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.322101][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.322101][ T10] netlink_unicast+0x449/0x710 [ 2789.322101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.322101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.322101][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.322101][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.322101][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.322101][ T10] [ 2789.324078][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2789.324078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2789.324078][ T10] ipv6_find_idev+0x102/0x170 [ 2789.324078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.324078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.324078][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.324078][ T10] netlink_unicast+0x449/0x710 [ 2789.324078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.324078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.324078][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.324078][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.324078][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.324078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.324078][ T10] [ 2789.325632][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2789.325632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2789.325632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2789.325632][ T10] ipv6_find_idev+0x102/0x170 [ 2789.325632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.325632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.325632][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.325632][ T10] netlink_unicast+0x449/0x710 [ 2789.325632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.325632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.325632][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.325632][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.325632][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.325632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.325632][ T10] [ 2789.327335][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2789.327591][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2789.327591][ T10] vlan_dev_init+0x97c/0xdd0 [ 2789.327591][ T10] register_netdevice+0x4d3/0x1690 [ 2789.327591][ T10] register_vlan_dev+0x162/0x4a0 [ 2789.327591][ T10] vlan_newlink+0x393/0x610 [ 2789.327591][ T10] rtnl_newlink_create+0x341/0x850 [ 2789.327591][ T10] __rtnl_newlink+0xac9/0xd80 [ 2789.327591][ T10] rtnl_newlink+0x63/0xa0 [ 2789.327591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.327591][ T10] netlink_rcv_skb+0x130/0x360 [ 2789.327591][ T10] netlink_unicast+0x449/0x710 [ 2789.327591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2789.327591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2789.327591][ T10] ___sys_sendmsg+0xee/0x170 [ 2789.327591][ T10] __sys_sendmsg+0xcd/0x170 [ 2789.327591][ T10] do_syscall_64+0xc6/0x1e0 [ 2789.327591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.327591][ T10] [ 2799.412189][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2799.412703][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2799.412703][ T10] netdev_get_by_index+0x5e/0x80 [ 2799.412703][ T10] fib6_nh_init+0x3d8/0x1580 [ 2799.412703][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2799.412703][ T10] ip6_route_add+0x1c/0x140 [ 2799.412703][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2799.412703][ T10] inet6_addr_add+0x4f8/0xa40 [ 2799.412703][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.412703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.412703][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.412703][ T10] netlink_unicast+0x449/0x710 [ 2799.412703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.412703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.412703][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.412703][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.412703][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.412703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.412703][ T10] [ 2799.414981][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2799.414981][ T10] netdev_get_by_index+0x5e/0x80 [ 2799.414981][ T10] fib6_nh_init+0x3d8/0x1580 [ 2799.414981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2799.414981][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2799.414981][ T10] ipv6_add_addr+0x411/0x2000 [ 2799.414981][ T10] inet6_addr_add+0x30e/0xa40 [ 2799.414981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.414981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.414981][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.414981][ T10] netlink_unicast+0x449/0x710 [ 2799.414981][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.414981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.414981][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.414981][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.414981][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.414981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.414981][ T10] [ 2799.417257][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2799.417257][ T10] netdev_get_by_index+0x5e/0x80 [ 2799.417257][ T10] fib6_nh_init+0x3d8/0x1580 [ 2799.417257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2799.417257][ T10] ip6_route_add+0x1c/0x140 [ 2799.417257][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.417257][ T10] addrconf_add_dev+0xe2/0x170 [ 2799.417257][ T10] inet6_addr_add+0x12f/0xa40 [ 2799.417257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.417257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.417257][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.417257][ T10] netlink_unicast+0x449/0x710 [ 2799.417257][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.417257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.417257][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.417257][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.417257][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.417257][ T10] [ 2799.419509][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2799.419509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2799.419509][ T10] ipv6_find_idev+0x102/0x170 [ 2799.419509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.419509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.419509][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.419509][ T10] netlink_unicast+0x449/0x710 [ 2799.419509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.419509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.419509][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.419509][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.419509][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.419509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.419509][ T10] [ 2799.421290][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2799.421290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2799.421290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2799.421290][ T10] ipv6_find_idev+0x102/0x170 [ 2799.421290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.421290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.421290][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.421290][ T10] netlink_unicast+0x449/0x710 [ 2799.421290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.421290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.421290][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.421290][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.421290][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.421290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.421290][ T10] [ 2799.423233][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2799.423544][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2799.423544][ T10] netdev_get_by_index+0x5e/0x80 [ 2799.423544][ T10] fib6_nh_init+0x3d8/0x1580 [ 2799.423544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2799.423544][ T10] ip6_route_add+0x1c/0x140 [ 2799.423544][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2799.423544][ T10] inet6_addr_add+0x4f8/0xa40 [ 2799.423544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.423544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.423544][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.423544][ T10] netlink_unicast+0x449/0x710 [ 2799.423544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.423544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.423544][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.423544][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.423544][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.423544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.423544][ T10] [ 2799.425814][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2799.425814][ T10] netdev_get_by_index+0x5e/0x80 [ 2799.425814][ T10] fib6_nh_init+0x3d8/0x1580 [ 2799.425814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2799.425814][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2799.425814][ T10] ipv6_add_addr+0x411/0x2000 [ 2799.425814][ T10] inet6_addr_add+0x30e/0xa40 [ 2799.425814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.425814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.425814][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.425814][ T10] netlink_unicast+0x449/0x710 [ 2799.425814][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.425814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.425814][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.425814][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.425814][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.425814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.425814][ T10] [ 2799.428105][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2799.428105][ T10] netdev_get_by_index+0x5e/0x80 [ 2799.428105][ T10] fib6_nh_init+0x3d8/0x1580 [ 2799.428105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2799.428105][ T10] ip6_route_add+0x1c/0x140 [ 2799.428105][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.428105][ T10] addrconf_add_dev+0xe2/0x170 [ 2799.428105][ T10] inet6_addr_add+0x12f/0xa40 [ 2799.428105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.428105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.428105][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.428105][ T10] netlink_unicast+0x449/0x710 [ 2799.428105][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.428105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.428105][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.428105][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.428105][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.428105][ T10] [ 2799.430344][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2799.430344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2799.430344][ T10] ipv6_find_idev+0x102/0x170 [ 2799.430344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.430344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.430344][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.430344][ T10] netlink_unicast+0x449/0x710 [ 2799.430344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.430344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.430344][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.430344][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.430344][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.430344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.430344][ T10] [ 2799.432102][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2799.432102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2799.432102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2799.432102][ T10] ipv6_find_idev+0x102/0x170 [ 2799.432102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.432102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.432102][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.432102][ T10] netlink_unicast+0x449/0x710 [ 2799.432102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.432102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.432102][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.432102][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.432102][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.432102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.432102][ T10] [ 2799.434025][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2799.434291][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2799.434291][ T10] vlan_dev_init+0x97c/0xdd0 [ 2799.434291][ T10] register_netdevice+0x4d3/0x1690 [ 2799.434291][ T10] register_vlan_dev+0x162/0x4a0 [ 2799.434291][ T10] vlan_newlink+0x393/0x610 [ 2799.434291][ T10] rtnl_newlink_create+0x341/0x850 [ 2799.434291][ T10] __rtnl_newlink+0xac9/0xd80 [ 2799.434291][ T10] rtnl_newlink+0x63/0xa0 [ 2799.434291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.434291][ T10] netlink_rcv_skb+0x130/0x360 [ 2799.434291][ T10] netlink_unicast+0x449/0x710 [ 2799.434291][ T10] netlink_sendmsg+0x723/0xbe0 [ 2799.434291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2799.434291][ T10] ___sys_sendmsg+0xee/0x170 [ 2799.434291][ T10] __sys_sendmsg+0xcd/0x170 [ 2799.434291][ T10] do_syscall_64+0xc6/0x1e0 [ 2799.434291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.434291][ T10] [ 2809.692289][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2809.692809][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2809.692809][ T10] netdev_get_by_index+0x5e/0x80 [ 2809.692809][ T10] fib6_nh_init+0x3d8/0x1580 [ 2809.692809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2809.692809][ T10] ip6_route_add+0x1c/0x140 [ 2809.692809][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2809.692809][ T10] inet6_addr_add+0x4f8/0xa40 [ 2809.692809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.692809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.692809][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.692809][ T10] netlink_unicast+0x449/0x710 [ 2809.692809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.692809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.692809][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.692809][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.692809][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.692809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.692809][ T10] [ 2809.695070][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2809.695070][ T10] netdev_get_by_index+0x5e/0x80 [ 2809.695070][ T10] fib6_nh_init+0x3d8/0x1580 [ 2809.695070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2809.695070][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2809.695070][ T10] ipv6_add_addr+0x411/0x2000 [ 2809.695070][ T10] inet6_addr_add+0x30e/0xa40 [ 2809.695070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.695070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.695070][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.695070][ T10] netlink_unicast+0x449/0x710 [ 2809.695070][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.695070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.695070][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.695070][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.695070][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.695070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.695070][ T10] [ 2809.697329][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2809.697329][ T10] netdev_get_by_index+0x5e/0x80 [ 2809.697329][ T10] fib6_nh_init+0x3d8/0x1580 [ 2809.697329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2809.697329][ T10] ip6_route_add+0x1c/0x140 [ 2809.697329][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2809.697329][ T10] addrconf_add_dev+0xe2/0x170 [ 2809.697329][ T10] inet6_addr_add+0x12f/0xa40 [ 2809.697329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.697329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.697329][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.697329][ T10] netlink_unicast+0x449/0x710 [ 2809.697329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.697329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.697329][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.697329][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.697329][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.697329][ T10] [ 2809.699566][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2809.699566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2809.699566][ T10] ipv6_find_idev+0x102/0x170 [ 2809.699566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.699566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.699566][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.699566][ T10] netlink_unicast+0x449/0x710 [ 2809.699566][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.699566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.699566][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.699566][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.699566][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.699566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.699566][ T10] [ 2809.701311][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2809.701311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2809.701311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2809.701311][ T10] ipv6_find_idev+0x102/0x170 [ 2809.701311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.701311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.701311][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.701311][ T10] netlink_unicast+0x449/0x710 [ 2809.701311][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.701311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.701311][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.701311][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.701311][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.701311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.701311][ T10] [ 2809.703234][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2809.703544][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2809.703544][ T10] netdev_get_by_index+0x5e/0x80 [ 2809.703544][ T10] fib6_nh_init+0x3d8/0x1580 [ 2809.703544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2809.703544][ T10] ip6_route_add+0x1c/0x140 [ 2809.703544][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2809.703544][ T10] inet6_addr_add+0x4f8/0xa40 [ 2809.703544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.703544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.703544][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.703544][ T10] netlink_unicast+0x449/0x710 [ 2809.703544][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.703544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.703544][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.703544][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.703544][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.703544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.703544][ T10] [ 2809.705804][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2809.705804][ T10] netdev_get_by_index+0x5e/0x80 [ 2809.705804][ T10] fib6_nh_init+0x3d8/0x1580 [ 2809.705804][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2809.705804][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2809.705804][ T10] ipv6_add_addr+0x411/0x2000 [ 2809.705804][ T10] inet6_addr_add+0x30e/0xa40 [ 2809.705804][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.705804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.705804][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.705804][ T10] netlink_unicast+0x449/0x710 [ 2809.705804][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.705804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.705804][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.705804][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.705804][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.705804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.705804][ T10] [ 2809.708061][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2809.708061][ T10] netdev_get_by_index+0x5e/0x80 [ 2809.708061][ T10] fib6_nh_init+0x3d8/0x1580 [ 2809.708061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2809.708061][ T10] ip6_route_add+0x1c/0x140 [ 2809.708061][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2809.708061][ T10] addrconf_add_dev+0xe2/0x170 [ 2809.708061][ T10] inet6_addr_add+0x12f/0xa40 [ 2809.708061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.708061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.708061][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.708061][ T10] netlink_unicast+0x449/0x710 [ 2809.708061][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.708061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.708061][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.708061][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.708061][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.708061][ T10] [ 2809.710295][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2809.710295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2809.710295][ T10] ipv6_find_idev+0x102/0x170 [ 2809.710295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.710295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.710295][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.710295][ T10] netlink_unicast+0x449/0x710 [ 2809.710295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.710295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.710295][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.710295][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.710295][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.710295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.710295][ T10] [ 2809.712037][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2809.712037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2809.712037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2809.712037][ T10] ipv6_find_idev+0x102/0x170 [ 2809.712037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.712037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.712037][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.712037][ T10] netlink_unicast+0x449/0x710 [ 2809.712037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.712037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.712037][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.712037][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.712037][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.712037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.712037][ T10] [ 2809.713935][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2809.714202][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2809.714202][ T10] vlan_dev_init+0x97c/0xdd0 [ 2809.714202][ T10] register_netdevice+0x4d3/0x1690 [ 2809.714202][ T10] register_vlan_dev+0x162/0x4a0 [ 2809.714202][ T10] vlan_newlink+0x393/0x610 [ 2809.714202][ T10] rtnl_newlink_create+0x341/0x850 [ 2809.714202][ T10] __rtnl_newlink+0xac9/0xd80 [ 2809.714202][ T10] rtnl_newlink+0x63/0xa0 [ 2809.714202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.714202][ T10] netlink_rcv_skb+0x130/0x360 [ 2809.714202][ T10] netlink_unicast+0x449/0x710 [ 2809.714202][ T10] netlink_sendmsg+0x723/0xbe0 [ 2809.714202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2809.714202][ T10] ___sys_sendmsg+0xee/0x170 [ 2809.714202][ T10] __sys_sendmsg+0xcd/0x170 [ 2809.714202][ T10] do_syscall_64+0xc6/0x1e0 [ 2809.714202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.714202][ T10] [ 2819.964239][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2819.964743][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2819.964743][ T10] netdev_get_by_index+0x5e/0x80 [ 2819.964743][ T10] fib6_nh_init+0x3d8/0x1580 [ 2819.964743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2819.964743][ T10] ip6_route_add+0x1c/0x140 [ 2819.964743][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2819.964743][ T10] inet6_addr_add+0x4f8/0xa40 [ 2819.964743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.964743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.964743][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.964743][ T10] netlink_unicast+0x449/0x710 [ 2819.964743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.964743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.964743][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.964743][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.964743][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.964743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.964743][ T10] [ 2819.967028][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2819.967028][ T10] netdev_get_by_index+0x5e/0x80 [ 2819.967028][ T10] fib6_nh_init+0x3d8/0x1580 [ 2819.967028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2819.967028][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2819.967028][ T10] ipv6_add_addr+0x411/0x2000 [ 2819.967028][ T10] inet6_addr_add+0x30e/0xa40 [ 2819.967028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.967028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.967028][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.967028][ T10] netlink_unicast+0x449/0x710 [ 2819.967028][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.967028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.967028][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.967028][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.967028][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.967028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.967028][ T10] [ 2819.969311][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2819.969311][ T10] netdev_get_by_index+0x5e/0x80 [ 2819.969311][ T10] fib6_nh_init+0x3d8/0x1580 [ 2819.969311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2819.969311][ T10] ip6_route_add+0x1c/0x140 [ 2819.969311][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2819.969311][ T10] addrconf_add_dev+0xe2/0x170 [ 2819.969311][ T10] inet6_addr_add+0x12f/0xa40 [ 2819.969311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.969311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.969311][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.969311][ T10] netlink_unicast+0x449/0x710 [ 2819.969311][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.969311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.969311][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.969311][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.969311][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.969311][ T10] [ 2819.971530][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2819.971530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2819.971530][ T10] ipv6_find_idev+0x102/0x170 [ 2819.971530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.971530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.971530][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.971530][ T10] netlink_unicast+0x449/0x710 [ 2819.971530][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.971530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.971530][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.971530][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.971530][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.971530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.971530][ T10] [ 2819.973317][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2819.973317][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2819.973317][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2819.973317][ T10] ipv6_find_idev+0x102/0x170 [ 2819.973317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.973317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.973317][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.973317][ T10] netlink_unicast+0x449/0x710 [ 2819.973317][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.973317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.973317][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.973317][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.973317][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.973317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.973317][ T10] [ 2819.975422][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2819.975745][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2819.975745][ T10] netdev_get_by_index+0x5e/0x80 [ 2819.975745][ T10] fib6_nh_init+0x3d8/0x1580 [ 2819.975745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2819.975745][ T10] ip6_route_add+0x1c/0x140 [ 2819.975745][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2819.975745][ T10] inet6_addr_add+0x4f8/0xa40 [ 2819.975745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.975745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.975745][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.975745][ T10] netlink_unicast+0x449/0x710 [ 2819.975745][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.975745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.975745][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.975745][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.975745][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.975745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.975745][ T10] [ 2819.978223][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2819.978223][ T10] netdev_get_by_index+0x5e/0x80 [ 2819.978223][ T10] fib6_nh_init+0x3d8/0x1580 [ 2819.978223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2819.978223][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2819.978223][ T10] ipv6_add_addr+0x411/0x2000 [ 2819.978223][ T10] inet6_addr_add+0x30e/0xa40 [ 2819.978223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.978223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.978223][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.978223][ T10] netlink_unicast+0x449/0x710 [ 2819.978223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.978223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.978223][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.978223][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.978223][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.978223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.978223][ T10] [ 2819.980704][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2819.980704][ T10] netdev_get_by_index+0x5e/0x80 [ 2819.980704][ T10] fib6_nh_init+0x3d8/0x1580 [ 2819.980704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2819.980704][ T10] ip6_route_add+0x1c/0x140 [ 2819.980704][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2819.980704][ T10] addrconf_add_dev+0xe2/0x170 [ 2819.980704][ T10] inet6_addr_add+0x12f/0xa40 [ 2819.980704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.980704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.980704][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.980704][ T10] netlink_unicast+0x449/0x710 [ 2819.980704][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.980704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.980704][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.980704][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.980704][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.980704][ T10] [ 2819.983149][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2819.983149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2819.983149][ T10] ipv6_find_idev+0x102/0x170 [ 2819.983149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.983149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.983149][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.983149][ T10] netlink_unicast+0x449/0x710 [ 2819.983149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.983149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.983149][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.983149][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.983149][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.983149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.983149][ T10] [ 2819.985052][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2819.985052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2819.985052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2819.985052][ T10] ipv6_find_idev+0x102/0x170 [ 2819.985052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.985052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.985052][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.985052][ T10] netlink_unicast+0x449/0x710 [ 2819.985052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.985052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.985052][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.985052][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.985052][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.985052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.985052][ T10] [ 2819.987034][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2819.987328][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2819.987328][ T10] vlan_dev_init+0x97c/0xdd0 [ 2819.987328][ T10] register_netdevice+0x4d3/0x1690 [ 2819.987328][ T10] register_vlan_dev+0x162/0x4a0 [ 2819.987328][ T10] vlan_newlink+0x393/0x610 [ 2819.987328][ T10] rtnl_newlink_create+0x341/0x850 [ 2819.987328][ T10] __rtnl_newlink+0xac9/0xd80 [ 2819.987328][ T10] rtnl_newlink+0x63/0xa0 [ 2819.987328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.987328][ T10] netlink_rcv_skb+0x130/0x360 [ 2819.987328][ T10] netlink_unicast+0x449/0x710 [ 2819.987328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2819.987328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2819.987328][ T10] ___sys_sendmsg+0xee/0x170 [ 2819.987328][ T10] __sys_sendmsg+0xcd/0x170 [ 2819.987328][ T10] do_syscall_64+0xc6/0x1e0 [ 2819.987328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.987328][ T10] [ 2830.123932][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2830.124409][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2830.124409][ T10] netdev_get_by_index+0x5e/0x80 [ 2830.124409][ T10] fib6_nh_init+0x3d8/0x1580 [ 2830.124409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2830.124409][ T10] ip6_route_add+0x1c/0x140 [ 2830.124409][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2830.124409][ T10] inet6_addr_add+0x4f8/0xa40 [ 2830.124409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.124409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.124409][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.124409][ T10] netlink_unicast+0x449/0x710 [ 2830.124409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.124409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.124409][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.124409][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.124409][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.124409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.124409][ T10] [ 2830.126698][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2830.126698][ T10] netdev_get_by_index+0x5e/0x80 [ 2830.126698][ T10] fib6_nh_init+0x3d8/0x1580 [ 2830.126698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2830.126698][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2830.126698][ T10] ipv6_add_addr+0x411/0x2000 [ 2830.126698][ T10] inet6_addr_add+0x30e/0xa40 [ 2830.126698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.126698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.126698][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.126698][ T10] netlink_unicast+0x449/0x710 [ 2830.126698][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.126698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.126698][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.126698][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.126698][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.126698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.126698][ T10] [ 2830.128774][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2830.128774][ T10] netdev_get_by_index+0x5e/0x80 [ 2830.128774][ T10] fib6_nh_init+0x3d8/0x1580 [ 2830.128774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2830.128774][ T10] ip6_route_add+0x1c/0x140 [ 2830.128774][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2830.128774][ T10] addrconf_add_dev+0xe2/0x170 [ 2830.128774][ T10] inet6_addr_add+0x12f/0xa40 [ 2830.128774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.128774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.128774][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.128774][ T10] netlink_unicast+0x449/0x710 [ 2830.128774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.128774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.128774][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.128774][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.128774][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.128774][ T10] [ 2830.130947][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2830.130947][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2830.130947][ T10] ipv6_find_idev+0x102/0x170 [ 2830.130947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.130947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.130947][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.130947][ T10] netlink_unicast+0x449/0x710 [ 2830.130947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.130947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.130947][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.130947][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.130947][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.130947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.130947][ T10] [ 2830.132524][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2830.132524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2830.132524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2830.132524][ T10] ipv6_find_idev+0x102/0x170 [ 2830.132524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.132524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.132524][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.132524][ T10] netlink_unicast+0x449/0x710 [ 2830.132524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.132524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.132524][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.132524][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.132524][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.132524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.132524][ T10] [ 2830.134259][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2830.134545][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2830.134545][ T10] netdev_get_by_index+0x5e/0x80 [ 2830.134545][ T10] fib6_nh_init+0x3d8/0x1580 [ 2830.134545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2830.134545][ T10] ip6_route_add+0x1c/0x140 [ 2830.134545][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2830.134545][ T10] inet6_addr_add+0x4f8/0xa40 [ 2830.134545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.134545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.134545][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.134545][ T10] netlink_unicast+0x449/0x710 [ 2830.134545][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.134545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.134545][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.134545][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.134545][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.134545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.134545][ T10] [ 2830.136614][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2830.136614][ T10] netdev_get_by_index+0x5e/0x80 [ 2830.136614][ T10] fib6_nh_init+0x3d8/0x1580 [ 2830.136614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2830.136614][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2830.136614][ T10] ipv6_add_addr+0x411/0x2000 [ 2830.136614][ T10] inet6_addr_add+0x30e/0xa40 [ 2830.136614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.136614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.136614][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.136614][ T10] netlink_unicast+0x449/0x710 [ 2830.136614][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.136614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.136614][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.136614][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.136614][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.136614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.136614][ T10] [ 2830.138667][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2830.138667][ T10] netdev_get_by_index+0x5e/0x80 [ 2830.138667][ T10] fib6_nh_init+0x3d8/0x1580 [ 2830.138667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2830.138667][ T10] ip6_route_add+0x1c/0x140 [ 2830.138667][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2830.138667][ T10] addrconf_add_dev+0xe2/0x170 [ 2830.138667][ T10] inet6_addr_add+0x12f/0xa40 [ 2830.138667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.138667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.138667][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.138667][ T10] netlink_unicast+0x449/0x710 [ 2830.138667][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.138667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.138667][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.138667][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.138667][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.138667][ T10] [ 2830.141197][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2830.141197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2830.141197][ T10] ipv6_find_idev+0x102/0x170 [ 2830.141197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.141197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.141197][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.141197][ T10] netlink_unicast+0x449/0x710 [ 2830.141197][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.141197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.141197][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.141197][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.141197][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.141197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.141197][ T10] [ 2830.142759][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2830.142759][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2830.142759][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2830.142759][ T10] ipv6_find_idev+0x102/0x170 [ 2830.142759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.142759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.142759][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.142759][ T10] netlink_unicast+0x449/0x710 [ 2830.142759][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.142759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.142759][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.142759][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.142759][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.142759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.142759][ T10] [ 2830.144477][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2830.144722][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2830.144722][ T10] vlan_dev_init+0x97c/0xdd0 [ 2830.144722][ T10] register_netdevice+0x4d3/0x1690 [ 2830.144722][ T10] register_vlan_dev+0x162/0x4a0 [ 2830.144722][ T10] vlan_newlink+0x393/0x610 [ 2830.144722][ T10] rtnl_newlink_create+0x341/0x850 [ 2830.144722][ T10] __rtnl_newlink+0xac9/0xd80 [ 2830.144722][ T10] rtnl_newlink+0x63/0xa0 [ 2830.144722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.144722][ T10] netlink_rcv_skb+0x130/0x360 [ 2830.144722][ T10] netlink_unicast+0x449/0x710 [ 2830.144722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2830.144722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2830.144722][ T10] ___sys_sendmsg+0xee/0x170 [ 2830.144722][ T10] __sys_sendmsg+0xcd/0x170 [ 2830.144722][ T10] do_syscall_64+0xc6/0x1e0 [ 2830.144722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.144722][ T10] [ 2840.300046][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2840.300522][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2840.300522][ T10] netdev_get_by_index+0x5e/0x80 [ 2840.300522][ T10] fib6_nh_init+0x3d8/0x1580 [ 2840.300522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2840.300522][ T10] ip6_route_add+0x1c/0x140 [ 2840.300522][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2840.300522][ T10] inet6_addr_add+0x4f8/0xa40 [ 2840.300522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.300522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.300522][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.300522][ T10] netlink_unicast+0x449/0x710 [ 2840.300522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.300522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.300522][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.300522][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.300522][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.300522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.300522][ T10] [ 2840.302629][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2840.302629][ T10] netdev_get_by_index+0x5e/0x80 [ 2840.302629][ T10] fib6_nh_init+0x3d8/0x1580 [ 2840.302629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2840.302629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2840.302629][ T10] ipv6_add_addr+0x411/0x2000 [ 2840.302629][ T10] inet6_addr_add+0x30e/0xa40 [ 2840.302629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.302629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.302629][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.302629][ T10] netlink_unicast+0x449/0x710 [ 2840.302629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.302629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.302629][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.302629][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.302629][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.302629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.302629][ T10] [ 2840.304656][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2840.304656][ T10] netdev_get_by_index+0x5e/0x80 [ 2840.304656][ T10] fib6_nh_init+0x3d8/0x1580 [ 2840.304656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2840.304656][ T10] ip6_route_add+0x1c/0x140 [ 2840.304656][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.304656][ T10] addrconf_add_dev+0xe2/0x170 [ 2840.304656][ T10] inet6_addr_add+0x12f/0xa40 [ 2840.304656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.304656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.304656][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.304656][ T10] netlink_unicast+0x449/0x710 [ 2840.304656][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.304656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.304656][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.304656][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.304656][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.304656][ T10] [ 2840.306666][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2840.306666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2840.306666][ T10] ipv6_find_idev+0x102/0x170 [ 2840.306666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.306666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.306666][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.306666][ T10] netlink_unicast+0x449/0x710 [ 2840.306666][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.306666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.306666][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.306666][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.306666][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.306666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.306666][ T10] [ 2840.308237][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2840.308237][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2840.308237][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2840.308237][ T10] ipv6_find_idev+0x102/0x170 [ 2840.308237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.308237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.308237][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.308237][ T10] netlink_unicast+0x449/0x710 [ 2840.308237][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.308237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.308237][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.308237][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.308237][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.308237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.308237][ T10] [ 2840.309982][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2840.310259][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2840.310259][ T10] netdev_get_by_index+0x5e/0x80 [ 2840.310259][ T10] fib6_nh_init+0x3d8/0x1580 [ 2840.310259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2840.310259][ T10] ip6_route_add+0x1c/0x140 [ 2840.310259][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2840.310259][ T10] inet6_addr_add+0x4f8/0xa40 [ 2840.310259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.310259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.310259][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.310259][ T10] netlink_unicast+0x449/0x710 [ 2840.310259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.310259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.310259][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.310259][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.310259][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.310259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.310259][ T10] [ 2840.312298][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2840.312298][ T10] netdev_get_by_index+0x5e/0x80 [ 2840.312298][ T10] fib6_nh_init+0x3d8/0x1580 [ 2840.312298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2840.312298][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2840.312298][ T10] ipv6_add_addr+0x411/0x2000 [ 2840.312298][ T10] inet6_addr_add+0x30e/0xa40 [ 2840.312298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.312298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.312298][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.312298][ T10] netlink_unicast+0x449/0x710 [ 2840.312298][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.312298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.312298][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.312298][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.312298][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.312298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.312298][ T10] [ 2840.314331][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2840.314331][ T10] netdev_get_by_index+0x5e/0x80 [ 2840.314331][ T10] fib6_nh_init+0x3d8/0x1580 [ 2840.314331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2840.314331][ T10] ip6_route_add+0x1c/0x140 [ 2840.314331][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.314331][ T10] addrconf_add_dev+0xe2/0x170 [ 2840.314331][ T10] inet6_addr_add+0x12f/0xa40 [ 2840.314331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.314331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.314331][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.314331][ T10] netlink_unicast+0x449/0x710 [ 2840.314331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.314331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.314331][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.314331][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.314331][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.314331][ T10] [ 2840.316319][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2840.316319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2840.316319][ T10] ipv6_find_idev+0x102/0x170 [ 2840.316319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.316319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.316319][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.316319][ T10] netlink_unicast+0x449/0x710 [ 2840.316319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.316319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.316319][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.316319][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.316319][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.316319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.316319][ T10] [ 2840.317882][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2840.317882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2840.317882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2840.317882][ T10] ipv6_find_idev+0x102/0x170 [ 2840.317882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.317882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.317882][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.317882][ T10] netlink_unicast+0x449/0x710 [ 2840.317882][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.317882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.317882][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.317882][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.317882][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.317882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.317882][ T10] [ 2840.319636][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2840.319891][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2840.319891][ T10] vlan_dev_init+0x97c/0xdd0 [ 2840.319891][ T10] register_netdevice+0x4d3/0x1690 [ 2840.319891][ T10] register_vlan_dev+0x162/0x4a0 [ 2840.319891][ T10] vlan_newlink+0x393/0x610 [ 2840.319891][ T10] rtnl_newlink_create+0x341/0x850 [ 2840.319891][ T10] __rtnl_newlink+0xac9/0xd80 [ 2840.319891][ T10] rtnl_newlink+0x63/0xa0 [ 2840.319891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.319891][ T10] netlink_rcv_skb+0x130/0x360 [ 2840.319891][ T10] netlink_unicast+0x449/0x710 [ 2840.319891][ T10] netlink_sendmsg+0x723/0xbe0 [ 2840.319891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2840.319891][ T10] ___sys_sendmsg+0xee/0x170 [ 2840.319891][ T10] __sys_sendmsg+0xcd/0x170 [ 2840.319891][ T10] do_syscall_64+0xc6/0x1e0 [ 2840.319891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.319891][ T10] [ 2850.564006][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 2850.564476][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2850.564476][ T10] netdev_get_by_index+0x5e/0x80 [ 2850.564476][ T10] fib6_nh_init+0x3d8/0x1580 [ 2850.564476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2850.564476][ T10] ip6_route_add+0x1c/0x140 [ 2850.564476][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2850.564476][ T10] inet6_addr_add+0x4f8/0xa40 [ 2850.564476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.564476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.564476][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.564476][ T10] netlink_unicast+0x449/0x710 [ 2850.564476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.564476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.564476][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.564476][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.564476][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.564476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.564476][ T10] [ 2850.566543][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2850.566543][ T10] netdev_get_by_index+0x5e/0x80 [ 2850.566543][ T10] fib6_nh_init+0x3d8/0x1580 [ 2850.566543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2850.566543][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2850.566543][ T10] ipv6_add_addr+0x411/0x2000 [ 2850.566543][ T10] inet6_addr_add+0x30e/0xa40 [ 2850.566543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.566543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.566543][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.566543][ T10] netlink_unicast+0x449/0x710 [ 2850.566543][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.566543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.566543][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.566543][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.566543][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.566543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.566543][ T10] [ 2850.568575][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2850.568575][ T10] netdev_get_by_index+0x5e/0x80 [ 2850.568575][ T10] fib6_nh_init+0x3d8/0x1580 [ 2850.568575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2850.568575][ T10] ip6_route_add+0x1c/0x140 [ 2850.568575][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2850.568575][ T10] addrconf_add_dev+0xe2/0x170 [ 2850.568575][ T10] inet6_addr_add+0x12f/0xa40 [ 2850.568575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.568575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.568575][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.568575][ T10] netlink_unicast+0x449/0x710 [ 2850.568575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.568575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.568575][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.568575][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.568575][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.568575][ T10] [ 2850.570580][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2850.570580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2850.570580][ T10] ipv6_find_idev+0x102/0x170 [ 2850.570580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.570580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.570580][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.570580][ T10] netlink_unicast+0x449/0x710 [ 2850.570580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.570580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.570580][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.570580][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.570580][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.570580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.570580][ T10] [ 2850.572153][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 2850.572153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2850.572153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2850.572153][ T10] ipv6_find_idev+0x102/0x170 [ 2850.572153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.572153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.572153][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.572153][ T10] netlink_unicast+0x449/0x710 [ 2850.572153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.572153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.572153][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.572153][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.572153][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.572153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.572153][ T10] [ 2850.573893][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 2850.574178][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2850.574178][ T10] netdev_get_by_index+0x5e/0x80 [ 2850.574178][ T10] fib6_nh_init+0x3d8/0x1580 [ 2850.574178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2850.574178][ T10] ip6_route_add+0x1c/0x140 [ 2850.574178][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2850.574178][ T10] inet6_addr_add+0x4f8/0xa40 [ 2850.574178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.574178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.574178][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.574178][ T10] netlink_unicast+0x449/0x710 [ 2850.574178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.574178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.574178][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.574178][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.574178][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.574178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.574178][ T10] [ 2850.576206][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2850.576206][ T10] netdev_get_by_index+0x5e/0x80 [ 2850.576206][ T10] fib6_nh_init+0x3d8/0x1580 [ 2850.576206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2850.576206][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2850.576206][ T10] ipv6_add_addr+0x411/0x2000 [ 2850.576206][ T10] inet6_addr_add+0x30e/0xa40 [ 2850.576206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.576206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.576206][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.576206][ T10] netlink_unicast+0x449/0x710 [ 2850.576206][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.576206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.576206][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.576206][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.576206][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.576206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.576206][ T10] [ 2850.578230][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2850.578230][ T10] netdev_get_by_index+0x5e/0x80 [ 2850.578230][ T10] fib6_nh_init+0x3d8/0x1580 [ 2850.578230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2850.578230][ T10] ip6_route_add+0x1c/0x140 [ 2850.578230][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2850.578230][ T10] addrconf_add_dev+0xe2/0x170 [ 2850.578230][ T10] inet6_addr_add+0x12f/0xa40 [ 2850.578230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.578230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.578230][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.578230][ T10] netlink_unicast+0x449/0x710 [ 2850.578230][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.578230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.578230][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.578230][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.578230][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.578230][ T10] [ 2850.580242][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2850.580242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2850.580242][ T10] ipv6_find_idev+0x102/0x170 [ 2850.580242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.580242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.580242][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.580242][ T10] netlink_unicast+0x449/0x710 [ 2850.580242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.580242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.580242][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.580242][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.580242][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.580242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.580242][ T10] [ 2850.581807][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 2850.581807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2850.581807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2850.581807][ T10] ipv6_find_idev+0x102/0x170 [ 2850.581807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.581807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.581807][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.581807][ T10] netlink_unicast+0x449/0x710 [ 2850.581807][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.581807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.581807][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.581807][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.581807][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.581807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.581807][ T10] [ 2850.583527][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 2850.583773][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 2850.583773][ T10] vlan_dev_init+0x97c/0xdd0 [ 2850.583773][ T10] register_netdevice+0x4d3/0x1690 [ 2850.583773][ T10] register_vlan_dev+0x162/0x4a0 [ 2850.583773][ T10] vlan_newlink+0x393/0x610 [ 2850.583773][ T10] rtnl_newlink_create+0x341/0x850 [ 2850.583773][ T10] __rtnl_newlink+0xac9/0xd80 [ 2850.583773][ T10] rtnl_newlink+0x63/0xa0 [ 2850.583773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.583773][ T10] netlink_rcv_skb+0x130/0x360 [ 2850.583773][ T10] netlink_unicast+0x449/0x710 [ 2850.583773][ T10] netlink_sendmsg+0x723/0xbe0 [ 2850.583773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2850.583773][ T10] ___sys_sendmsg+0xee/0x170 [ 2850.583773][ T10] __sys_sendmsg+0xcd/0x170 [ 2850.583773][ T10] do_syscall_64+0xc6/0x1e0 [ 2850.583773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.583773][ T10] HARD STOP (2386.282416) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr