[ 417.428017][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 417.428373][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 417.428373][ T10] netdev_get_by_index+0x5e/0x80 [ 417.428373][ T10] fib6_nh_init+0x3d8/0x1580 [ 417.428373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 417.428373][ T10] ip6_route_add+0x1c/0x140 [ 417.428373][ T10] addrconf_prefix_route+0x2a6/0x430 [ 417.428373][ T10] inet6_addr_add+0x4f8/0xa40 [ 417.428373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 417.428373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.428373][ T10] netlink_rcv_skb+0x130/0x360 [ 417.428373][ T10] netlink_unicast+0x449/0x710 [ 417.428373][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.428373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.428373][ T10] ___sys_sendmsg+0xee/0x170 [ 417.428373][ T10] __sys_sendmsg+0xcd/0x170 [ 417.428373][ T10] do_syscall_64+0xc6/0x1e0 [ 417.428373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 417.428373][ T10] [ 417.430499][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 417.430499][ T10] netdev_get_by_index+0x5e/0x80 [ 417.430499][ T10] fib6_nh_init+0x3d8/0x1580 [ 417.430499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 417.430499][ T10] addrconf_f6i_alloc+0x315/0x560 [ 417.430499][ T10] ipv6_add_addr+0x411/0x2000 [ 417.430499][ T10] inet6_addr_add+0x30e/0xa40 [ 417.430499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 417.430499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.430499][ T10] netlink_rcv_skb+0x130/0x360 [ 417.430499][ T10] netlink_unicast+0x449/0x710 [ 417.430499][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.430499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.430499][ T10] ___sys_sendmsg+0xee/0x170 [ 417.430499][ T10] __sys_sendmsg+0xcd/0x170 [ 417.430499][ T10] do_syscall_64+0xc6/0x1e0 [ 417.430499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 417.430499][ T10] [ 417.432561][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 417.432561][ T10] netdev_get_by_index+0x5e/0x80 [ 417.432561][ T10] fib6_nh_init+0x3d8/0x1580 [ 417.432561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 417.432561][ T10] ip6_route_add+0x1c/0x140 [ 417.432561][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 417.432561][ T10] addrconf_add_dev+0xe2/0x170 [ 417.432561][ T10] inet6_addr_add+0x12f/0xa40 [ 417.432561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 417.432561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.432561][ T10] netlink_rcv_skb+0x130/0x360 [ 417.432561][ T10] netlink_unicast+0x449/0x710 [ 417.432561][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.432561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.432561][ T10] ___sys_sendmsg+0xee/0x170 [ 417.432561][ T10] __sys_sendmsg+0xcd/0x170 [ 417.432561][ T10] do_syscall_64+0xc6/0x1e0 [ 417.432561][ T10] [ 417.434581][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 417.434581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 417.434581][ T10] ipv6_find_idev+0x102/0x170 [ 417.434581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 417.434581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.434581][ T10] netlink_rcv_skb+0x130/0x360 [ 417.434581][ T10] netlink_unicast+0x449/0x710 [ 417.434581][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.434581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.434581][ T10] ___sys_sendmsg+0xee/0x170 [ 417.434581][ T10] __sys_sendmsg+0xcd/0x170 [ 417.434581][ T10] do_syscall_64+0xc6/0x1e0 [ 417.434581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 417.434581][ T10] [ 417.436158][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 417.436158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 417.436158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 417.436158][ T10] ipv6_find_idev+0x102/0x170 [ 417.436158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 417.436158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.436158][ T10] netlink_rcv_skb+0x130/0x360 [ 417.436158][ T10] netlink_unicast+0x449/0x710 [ 417.436158][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.436158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.436158][ T10] ___sys_sendmsg+0xee/0x170 [ 417.436158][ T10] __sys_sendmsg+0xcd/0x170 [ 417.436158][ T10] do_syscall_64+0xc6/0x1e0 [ 417.436158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 417.436158][ T10] [ 417.438095][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 417.438385][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 417.438385][ T10] netdev_get_by_index+0x5e/0x80 [ 417.438385][ T10] fib6_nh_init+0x3d8/0x1580 [ 417.438385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 417.438385][ T10] ip6_route_add+0x1c/0x140 [ 417.438385][ T10] addrconf_prefix_route+0x2a6/0x430 [ 417.438385][ T10] inet6_addr_add+0x4f8/0xa40 [ 417.438385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 417.438385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.438385][ T10] netlink_rcv_skb+0x130/0x360 [ 417.438385][ T10] netlink_unicast+0x449/0x710 [ 417.438385][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.438385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.438385][ T10] ___sys_sendmsg+0xee/0x170 [ 417.438385][ T10] __sys_sendmsg+0xcd/0x170 [ 417.438385][ T10] do_syscall_64+0xc6/0x1e0 [ 417.438385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 417.438385][ T10] [ 417.440472][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 417.440472][ T10] netdev_get_by_index+0x5e/0x80 [ 417.440472][ T10] fib6_nh_init+0x3d8/0x1580 [ 417.440472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 417.440472][ T10] addrconf_f6i_alloc+0x315/0x560 [ 417.440472][ T10] ipv6_add_addr+0x411/0x2000 [ 417.440472][ T10] inet6_addr_add+0x30e/0xa40 [ 417.440472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 417.440472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.440472][ T10] netlink_rcv_skb+0x130/0x360 [ 417.440472][ T10] netlink_unicast+0x449/0x710 [ 417.440472][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.440472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.440472][ T10] ___sys_sendmsg+0xee/0x170 [ 417.440472][ T10] __sys_sendmsg+0xcd/0x170 [ 417.440472][ T10] do_syscall_64+0xc6/0x1e0 [ 417.440472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 417.440472][ T10] [ 417.442567][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 417.442567][ T10] netdev_get_by_index+0x5e/0x80 [ 417.442567][ T10] fib6_nh_init+0x3d8/0x1580 [ 417.442567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 417.442567][ T10] ip6_route_add+0x1c/0x140 [ 417.442567][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 417.442567][ T10] addrconf_add_dev+0xe2/0x170 [ 417.442567][ T10] inet6_addr_add+0x12f/0xa40 [ 417.442567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 417.442567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.442567][ T10] netlink_rcv_skb+0x130/0x360 [ 417.442567][ T10] netlink_unicast+0x449/0x710 [ 417.442567][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.442567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.442567][ T10] ___sys_sendmsg+0xee/0x170 [ 417.442567][ T10] __sys_sendmsg+0xcd/0x170 [ 417.442567][ T10] do_syscall_64+0xc6/0x1e0 [ 417.442567][ T10] [ 417.444788][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 417.444788][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 417.444788][ T10] ipv6_find_idev+0x102/0x170 [ 417.444788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 417.444788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.444788][ T10] netlink_rcv_skb+0x130/0x360 [ 417.444788][ T10] netlink_unicast+0x449/0x710 [ 417.444788][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.444788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.444788][ T10] ___sys_sendmsg+0xee/0x170 [ 417.444788][ T10] __sys_sendmsg+0xcd/0x170 [ 417.444788][ T10] do_syscall_64+0xc6/0x1e0 [ 417.444788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 417.444788][ T10] [ 417.446523][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 417.446523][ T10] neigh_parms_alloc+0x1e5/0x510 [ 417.446523][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 417.446523][ T10] ipv6_find_idev+0x102/0x170 [ 417.446523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 417.446523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.446523][ T10] netlink_rcv_skb+0x130/0x360 [ 417.446523][ T10] netlink_unicast+0x449/0x710 [ 417.446523][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.446523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.446523][ T10] ___sys_sendmsg+0xee/0x170 [ 417.446523][ T10] __sys_sendmsg+0xcd/0x170 [ 417.446523][ T10] do_syscall_64+0xc6/0x1e0 [ 417.446523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 417.446523][ T10] [ 417.448515][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 417.448762][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 417.448762][ T10] vlan_dev_init+0x97c/0xdd0 [ 417.448762][ T10] register_netdevice+0x4d3/0x1690 [ 417.448762][ T10] register_vlan_dev+0x162/0x4a0 [ 417.448762][ T10] vlan_newlink+0x393/0x610 [ 417.448762][ T10] rtnl_newlink_create+0x341/0x850 [ 417.448762][ T10] __rtnl_newlink+0xac9/0xd80 [ 417.448762][ T10] rtnl_newlink+0x63/0xa0 [ 417.448762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 417.448762][ T10] netlink_rcv_skb+0x130/0x360 [ 417.448762][ T10] netlink_unicast+0x449/0x710 [ 417.448762][ T10] netlink_sendmsg+0x723/0xbe0 [ 417.448762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 417.448762][ T10] ___sys_sendmsg+0xee/0x170 [ 417.448762][ T10] __sys_sendmsg+0xcd/0x170 [ 417.448762][ T10] do_syscall_64+0xc6/0x1e0 [ 417.448762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 417.448762][ T10] [ 422.181374][ T3697] eth0: renamed from r1h1 [ 422.541181][ T3699] eth0: renamed from r2h1 [ 423.036477][ T3702] eth2: renamed from r2h2 [ 423.532449][ T3705] eth1: renamed from r2r1 [ 424.309035][ T3710] br0: port 1(eth0) entered blocking state [ 424.309341][ T3710] br0: port 1(eth0) entered disabled state [ 424.309569][ T3710] eth0: entered allmulticast mode [ 424.310742][ T3710] eth0: entered promiscuous mode [ 424.314010][ T51] br0: port 1(eth0) entered blocking state [ 424.314217][ T51] br0: port 1(eth0) entered forwarding state [ 424.468927][ T3711] br0: port 2(eth1) entered blocking state [ 424.469241][ T3711] br0: port 2(eth1) entered disabled state [ 424.469456][ T3711] eth1: entered allmulticast mode [ 424.470609][ T3711] eth1: entered promiscuous mode [ 424.471408][ T49] br0: port 2(eth1) entered blocking state [ 424.471599][ T49] br0: port 2(eth1) entered forwarding state [ 427.572022][ T10] unregister_netdevice: waiting for eth0.20 to become free. Usage count = 6 [ 427.572461][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 427.572461][ T10] netdev_get_by_index+0x5e/0x80 [ 427.572461][ T10] fib6_nh_init+0x3d8/0x1580 [ 427.572461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 427.572461][ T10] ip6_route_add+0x1c/0x140 [ 427.572461][ T10] addrconf_prefix_route+0x2a6/0x430 [ 427.572461][ T10] inet6_addr_add+0x4f8/0xa40 [ 427.572461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 427.572461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.572461][ T10] netlink_rcv_skb+0x130/0x360 [ 427.572461][ T10] netlink_unicast+0x449/0x710 [ 427.572461][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.572461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.572461][ T10] ___sys_sendmsg+0xee/0x170 [ 427.572461][ T10] __sys_sendmsg+0xcd/0x170 [ 427.572461][ T10] do_syscall_64+0xc6/0x1e0 [ 427.572461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 427.572461][ T10] [ 427.574553][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 427.574553][ T10] netdev_get_by_index+0x5e/0x80 [ 427.574553][ T10] fib6_nh_init+0x3d8/0x1580 [ 427.574553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 427.574553][ T10] addrconf_f6i_alloc+0x315/0x560 [ 427.574553][ T10] ipv6_add_addr+0x411/0x2000 [ 427.574553][ T10] inet6_addr_add+0x30e/0xa40 [ 427.574553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 427.574553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.574553][ T10] netlink_rcv_skb+0x130/0x360 [ 427.574553][ T10] netlink_unicast+0x449/0x710 [ 427.574553][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.574553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.574553][ T10] ___sys_sendmsg+0xee/0x170 [ 427.574553][ T10] __sys_sendmsg+0xcd/0x170 [ 427.574553][ T10] do_syscall_64+0xc6/0x1e0 [ 427.574553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 427.574553][ T10] [ 427.576591][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 427.576591][ T10] netdev_get_by_index+0x5e/0x80 [ 427.576591][ T10] fib6_nh_init+0x3d8/0x1580 [ 427.576591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 427.576591][ T10] ip6_route_add+0x1c/0x140 [ 427.576591][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 427.576591][ T10] addrconf_add_dev+0xe2/0x170 [ 427.576591][ T10] inet6_addr_add+0x12f/0xa40 [ 427.576591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 427.576591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.576591][ T10] netlink_rcv_skb+0x130/0x360 [ 427.576591][ T10] netlink_unicast+0x449/0x710 [ 427.576591][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.576591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.576591][ T10] ___sys_sendmsg+0xee/0x170 [ 427.576591][ T10] __sys_sendmsg+0xcd/0x170 [ 427.576591][ T10] do_syscall_64+0xc6/0x1e0 [ 427.576591][ T10] [ 427.578574][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 427.578574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 427.578574][ T10] ipv6_find_idev+0x102/0x170 [ 427.578574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 427.578574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.578574][ T10] netlink_rcv_skb+0x130/0x360 [ 427.578574][ T10] netlink_unicast+0x449/0x710 [ 427.578574][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.578574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.578574][ T10] ___sys_sendmsg+0xee/0x170 [ 427.578574][ T10] __sys_sendmsg+0xcd/0x170 [ 427.578574][ T10] do_syscall_64+0xc6/0x1e0 [ 427.578574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 427.578574][ T10] [ 427.580121][ T10] ref_tracker: eth0.20@ffff888006cfc5e0 has 1/5 users at [ 427.580121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 427.580121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 427.580121][ T10] ipv6_find_idev+0x102/0x170 [ 427.580121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 427.580121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.580121][ T10] netlink_rcv_skb+0x130/0x360 [ 427.580121][ T10] netlink_unicast+0x449/0x710 [ 427.580121][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.580121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.580121][ T10] ___sys_sendmsg+0xee/0x170 [ 427.580121][ T10] __sys_sendmsg+0xcd/0x170 [ 427.580121][ T10] do_syscall_64+0xc6/0x1e0 [ 427.580121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 427.580121][ T10] [ 427.581848][ T10] unregister_netdevice: waiting for eth0.10 to become free. Usage count = 6 [ 427.582146][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 427.582146][ T10] netdev_get_by_index+0x5e/0x80 [ 427.582146][ T10] fib6_nh_init+0x3d8/0x1580 [ 427.582146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 427.582146][ T10] ip6_route_add+0x1c/0x140 [ 427.582146][ T10] addrconf_prefix_route+0x2a6/0x430 [ 427.582146][ T10] inet6_addr_add+0x4f8/0xa40 [ 427.582146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 427.582146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.582146][ T10] netlink_rcv_skb+0x130/0x360 [ 427.582146][ T10] netlink_unicast+0x449/0x710 [ 427.582146][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.582146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.582146][ T10] ___sys_sendmsg+0xee/0x170 [ 427.582146][ T10] __sys_sendmsg+0xcd/0x170 [ 427.582146][ T10] do_syscall_64+0xc6/0x1e0 [ 427.582146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 427.582146][ T10] [ 427.584166][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 427.584166][ T10] netdev_get_by_index+0x5e/0x80 [ 427.584166][ T10] fib6_nh_init+0x3d8/0x1580 [ 427.584166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 427.584166][ T10] addrconf_f6i_alloc+0x315/0x560 [ 427.584166][ T10] ipv6_add_addr+0x411/0x2000 [ 427.584166][ T10] inet6_addr_add+0x30e/0xa40 [ 427.584166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 427.584166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.584166][ T10] netlink_rcv_skb+0x130/0x360 [ 427.584166][ T10] netlink_unicast+0x449/0x710 [ 427.584166][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.584166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.584166][ T10] ___sys_sendmsg+0xee/0x170 [ 427.584166][ T10] __sys_sendmsg+0xcd/0x170 [ 427.584166][ T10] do_syscall_64+0xc6/0x1e0 [ 427.584166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 427.584166][ T10] [ 427.586192][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 427.586192][ T10] netdev_get_by_index+0x5e/0x80 [ 427.586192][ T10] fib6_nh_init+0x3d8/0x1580 [ 427.586192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 427.586192][ T10] ip6_route_add+0x1c/0x140 [ 427.586192][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 427.586192][ T10] addrconf_add_dev+0xe2/0x170 [ 427.586192][ T10] inet6_addr_add+0x12f/0xa40 [ 427.586192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 427.586192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.586192][ T10] netlink_rcv_skb+0x130/0x360 [ 427.586192][ T10] netlink_unicast+0x449/0x710 [ 427.586192][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.586192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.586192][ T10] ___sys_sendmsg+0xee/0x170 [ 427.586192][ T10] __sys_sendmsg+0xcd/0x170 [ 427.586192][ T10] do_syscall_64+0xc6/0x1e0 [ 427.586192][ T10] [ 427.588192][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 427.588192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 427.588192][ T10] ipv6_find_idev+0x102/0x170 [ 427.588192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 427.588192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.588192][ T10] netlink_rcv_skb+0x130/0x360 [ 427.588192][ T10] netlink_unicast+0x449/0x710 [ 427.588192][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.588192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.588192][ T10] ___sys_sendmsg+0xee/0x170 [ 427.588192][ T10] __sys_sendmsg+0xcd/0x170 [ 427.588192][ T10] do_syscall_64+0xc6/0x1e0 [ 427.588192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 427.588192][ T10] [ 427.589774][ T10] ref_tracker: eth0.10@ffff8880218d15e0 has 1/5 users at [ 427.589774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 427.589774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 427.589774][ T10] ipv6_find_idev+0x102/0x170 [ 427.589774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 427.589774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.589774][ T10] netlink_rcv_skb+0x130/0x360 [ 427.589774][ T10] netlink_unicast+0x449/0x710 [ 427.589774][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.589774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.589774][ T10] ___sys_sendmsg+0xee/0x170 [ 427.589774][ T10] __sys_sendmsg+0xcd/0x170 [ 427.589774][ T10] do_syscall_64+0xc6/0x1e0 [ 427.589774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 427.589774][ T10] [ 427.591481][ T10] unregister_netdevice: waiting for eth0 to become free. Usage count = 3 [ 427.591734][ T10] ref_tracker: veth0@ffff888021b015e0 has 2/2 users at [ 427.591734][ T10] vlan_dev_init+0x97c/0xdd0 [ 427.591734][ T10] register_netdevice+0x4d3/0x1690 [ 427.591734][ T10] register_vlan_dev+0x162/0x4a0 [ 427.591734][ T10] vlan_newlink+0x393/0x610 [ 427.591734][ T10] rtnl_newlink_create+0x341/0x850 [ 427.591734][ T10] __rtnl_newlink+0xac9/0xd80 [ 427.591734][ T10] rtnl_newlink+0x63/0xa0 [ 427.591734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 427.591734][ T10] netlink_rcv_skb+0x130/0x360 [ 427.591734][ T10] netlink_unicast+0x449/0x710 [ 427.591734][ T10] netlink_sendmsg+0x723/0xbe0 [ 427.591734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 427.591734][ T10] ___sys_sendmsg+0xee/0x170 [ 427.591734][ T10] __sys_sendmsg+0xcd/0x170 [ 427.591734][ T10] do_syscall_64+0xc6/0x1e0 [ 427.591734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 427.591734][ T10]