[ 400.956673][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 400.957169][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 400.957169][ T10] netdev_get_by_index+0x5e/0x80 [ 400.957169][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.957169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.957169][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.957169][ T10] ipv6_add_addr+0x411/0x2000 [ 400.957169][ T10] inet6_addr_add+0x30e/0xa40 [ 400.957169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.957169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.957169][ T10] netlink_rcv_skb+0x130/0x360 [ 400.957169][ T10] netlink_unicast+0x449/0x710 [ 400.957169][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.957169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.957169][ T10] ___sys_sendmsg+0xee/0x170 [ 400.957169][ T10] __sys_sendmsg+0xcd/0x170 [ 400.957169][ T10] do_syscall_64+0xc6/0x1e0 [ 400.957169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.957169][ T10] [ 400.959672][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 400.959672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.959672][ T10] ipv6_find_idev+0x102/0x170 [ 400.959672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.959672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.959672][ T10] netlink_rcv_skb+0x130/0x360 [ 400.959672][ T10] netlink_unicast+0x449/0x710 [ 400.959672][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.959672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.959672][ T10] ___sys_sendmsg+0xee/0x170 [ 400.959672][ T10] __sys_sendmsg+0xcd/0x170 [ 400.959672][ T10] do_syscall_64+0xc6/0x1e0 [ 400.959672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.959672][ T10] [ 400.961355][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 400.961355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.961355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.961355][ T10] ipv6_find_idev+0x102/0x170 [ 400.961355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.961355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.961355][ T10] netlink_rcv_skb+0x130/0x360 [ 400.961355][ T10] netlink_unicast+0x449/0x710 [ 400.961355][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.961355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.961355][ T10] ___sys_sendmsg+0xee/0x170 [ 400.961355][ T10] __sys_sendmsg+0xcd/0x170 [ 400.961355][ T10] do_syscall_64+0xc6/0x1e0 [ 400.961355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.961355][ T10] [ 400.963223][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 400.963521][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 400.963521][ T10] netdev_get_by_index+0x5e/0x80 [ 400.963521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.963521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.963521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.963521][ T10] ipv6_add_addr+0x411/0x2000 [ 400.963521][ T10] inet6_addr_add+0x30e/0xa40 [ 400.963521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.963521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.963521][ T10] netlink_rcv_skb+0x130/0x360 [ 400.963521][ T10] netlink_unicast+0x449/0x710 [ 400.963521][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.963521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.963521][ T10] ___sys_sendmsg+0xee/0x170 [ 400.963521][ T10] __sys_sendmsg+0xcd/0x170 [ 400.963521][ T10] do_syscall_64+0xc6/0x1e0 [ 400.963521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.963521][ T10] [ 400.965718][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 400.965718][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.965718][ T10] ipv6_find_idev+0x102/0x170 [ 400.965718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.965718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.965718][ T10] netlink_rcv_skb+0x130/0x360 [ 400.965718][ T10] netlink_unicast+0x449/0x710 [ 400.965718][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.965718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.965718][ T10] ___sys_sendmsg+0xee/0x170 [ 400.965718][ T10] __sys_sendmsg+0xcd/0x170 [ 400.965718][ T10] do_syscall_64+0xc6/0x1e0 [ 400.965718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.965718][ T10] [ 400.967425][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 400.967425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.967425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.967425][ T10] ipv6_find_idev+0x102/0x170 [ 400.967425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.967425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.967425][ T10] netlink_rcv_skb+0x130/0x360 [ 400.967425][ T10] netlink_unicast+0x449/0x710 [ 400.967425][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.967425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.967425][ T10] ___sys_sendmsg+0xee/0x170 [ 400.967425][ T10] __sys_sendmsg+0xcd/0x170 [ 400.967425][ T10] do_syscall_64+0xc6/0x1e0 [ 400.967425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.967425][ T10] [ 400.969295][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 400.969768][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 400.969768][ T10] netdev_get_by_index+0x5e/0x80 [ 400.969768][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.969768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.969768][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.969768][ T10] ipv6_add_addr+0x411/0x2000 [ 400.969768][ T10] inet6_addr_add+0x30e/0xa40 [ 400.969768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.969768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.969768][ T10] netlink_rcv_skb+0x130/0x360 [ 400.969768][ T10] netlink_unicast+0x449/0x710 [ 400.969768][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.969768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.969768][ T10] ___sys_sendmsg+0xee/0x170 [ 400.969768][ T10] __sys_sendmsg+0xcd/0x170 [ 400.969768][ T10] do_syscall_64+0xc6/0x1e0 [ 400.969768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.969768][ T10] [ 400.971994][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 400.971994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.971994][ T10] ipv6_find_idev+0x102/0x170 [ 400.971994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.971994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.971994][ T10] netlink_rcv_skb+0x130/0x360 [ 400.971994][ T10] netlink_unicast+0x449/0x710 [ 400.971994][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.971994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.971994][ T10] ___sys_sendmsg+0xee/0x170 [ 400.971994][ T10] __sys_sendmsg+0xcd/0x170 [ 400.971994][ T10] do_syscall_64+0xc6/0x1e0 [ 400.971994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.971994][ T10] [ 400.973948][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 400.973948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.973948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.973948][ T10] ipv6_find_idev+0x102/0x170 [ 400.973948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.973948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.973948][ T10] netlink_rcv_skb+0x130/0x360 [ 400.973948][ T10] netlink_unicast+0x449/0x710 [ 400.973948][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.973948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.973948][ T10] ___sys_sendmsg+0xee/0x170 [ 400.973948][ T10] __sys_sendmsg+0xcd/0x170 [ 400.973948][ T10] do_syscall_64+0xc6/0x1e0 [ 400.973948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.973948][ T10] [ 400.975994][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 400.976280][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 400.976280][ T10] netdev_get_by_index+0x5e/0x80 [ 400.976280][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.976280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.976280][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.976280][ T10] ipv6_add_addr+0x411/0x2000 [ 400.976280][ T10] inet6_addr_add+0x30e/0xa40 [ 400.976280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.976280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.976280][ T10] netlink_rcv_skb+0x130/0x360 [ 400.976280][ T10] netlink_unicast+0x449/0x710 [ 400.976280][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.976280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.976280][ T10] ___sys_sendmsg+0xee/0x170 [ 400.976280][ T10] __sys_sendmsg+0xcd/0x170 [ 400.976280][ T10] do_syscall_64+0xc6/0x1e0 [ 400.976280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.976280][ T10] [ 400.978634][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 400.978634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.978634][ T10] ipv6_find_idev+0x102/0x170 [ 400.978634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.978634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.978634][ T10] netlink_rcv_skb+0x130/0x360 [ 400.978634][ T10] netlink_unicast+0x449/0x710 [ 400.978634][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.978634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.978634][ T10] ___sys_sendmsg+0xee/0x170 [ 400.978634][ T10] __sys_sendmsg+0xcd/0x170 [ 400.978634][ T10] do_syscall_64+0xc6/0x1e0 [ 400.978634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.978634][ T10] [ 400.980454][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 400.980454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.980454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.980454][ T10] ipv6_find_idev+0x102/0x170 [ 400.980454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.980454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.980454][ T10] netlink_rcv_skb+0x130/0x360 [ 400.980454][ T10] netlink_unicast+0x449/0x710 [ 400.980454][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.980454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.980454][ T10] ___sys_sendmsg+0xee/0x170 [ 400.980454][ T10] __sys_sendmsg+0xcd/0x170 [ 400.980454][ T10] do_syscall_64+0xc6/0x1e0 [ 400.980454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.980454][ T10] [ 400.982722][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 400.983013][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 400.983013][ T10] netdev_get_by_index+0x5e/0x80 [ 400.983013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.983013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.983013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.983013][ T10] ipv6_add_addr+0x411/0x2000 [ 400.983013][ T10] inet6_addr_add+0x30e/0xa40 [ 400.983013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.983013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.983013][ T10] netlink_rcv_skb+0x130/0x360 [ 400.983013][ T10] netlink_unicast+0x449/0x710 [ 400.983013][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.983013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.983013][ T10] ___sys_sendmsg+0xee/0x170 [ 400.983013][ T10] __sys_sendmsg+0xcd/0x170 [ 400.983013][ T10] do_syscall_64+0xc6/0x1e0 [ 400.983013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.983013][ T10] [ 400.985278][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 400.985278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.985278][ T10] ipv6_find_idev+0x102/0x170 [ 400.985278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.985278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.985278][ T10] netlink_rcv_skb+0x130/0x360 [ 400.985278][ T10] netlink_unicast+0x449/0x710 [ 400.985278][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.985278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.985278][ T10] ___sys_sendmsg+0xee/0x170 [ 400.985278][ T10] __sys_sendmsg+0xcd/0x170 [ 400.985278][ T10] do_syscall_64+0xc6/0x1e0 [ 400.985278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.985278][ T10] [ 400.987168][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 400.987168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.987168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.987168][ T10] ipv6_find_idev+0x102/0x170 [ 400.987168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.987168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.987168][ T10] netlink_rcv_skb+0x130/0x360 [ 400.987168][ T10] netlink_unicast+0x449/0x710 [ 400.987168][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.987168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.987168][ T10] ___sys_sendmsg+0xee/0x170 [ 400.987168][ T10] __sys_sendmsg+0xcd/0x170 [ 400.987168][ T10] do_syscall_64+0xc6/0x1e0 [ 400.987168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.987168][ T10] [ 400.989316][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 400.989601][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 400.989601][ T10] netdev_get_by_index+0x5e/0x80 [ 400.989601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.989601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.989601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.989601][ T10] ipv6_add_addr+0x411/0x2000 [ 400.989601][ T10] inet6_addr_add+0x30e/0xa40 [ 400.989601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.989601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.989601][ T10] netlink_rcv_skb+0x130/0x360 [ 400.989601][ T10] netlink_unicast+0x449/0x710 [ 400.989601][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.989601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.989601][ T10] ___sys_sendmsg+0xee/0x170 [ 400.989601][ T10] __sys_sendmsg+0xcd/0x170 [ 400.989601][ T10] do_syscall_64+0xc6/0x1e0 [ 400.989601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.989601][ T10] [ 400.991794][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 400.991794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.991794][ T10] ipv6_find_idev+0x102/0x170 [ 400.991794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.991794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.991794][ T10] netlink_rcv_skb+0x130/0x360 [ 400.991794][ T10] netlink_unicast+0x449/0x710 [ 400.991794][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.991794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.991794][ T10] ___sys_sendmsg+0xee/0x170 [ 400.991794][ T10] __sys_sendmsg+0xcd/0x170 [ 400.991794][ T10] do_syscall_64+0xc6/0x1e0 [ 400.991794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.991794][ T10] [ 400.993644][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 400.993644][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.993644][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.993644][ T10] ipv6_find_idev+0x102/0x170 [ 400.993644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.993644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.993644][ T10] netlink_rcv_skb+0x130/0x360 [ 400.993644][ T10] netlink_unicast+0x449/0x710 [ 400.993644][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.993644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.993644][ T10] ___sys_sendmsg+0xee/0x170 [ 400.993644][ T10] __sys_sendmsg+0xcd/0x170 [ 400.993644][ T10] do_syscall_64+0xc6/0x1e0 [ 400.993644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.993644][ T10] [ 400.995773][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 400.996059][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 400.996059][ T10] netdev_get_by_index+0x5e/0x80 [ 400.996059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.996059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.996059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.996059][ T10] ipv6_add_addr+0x411/0x2000 [ 400.996059][ T10] inet6_addr_add+0x30e/0xa40 [ 400.996059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.996059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.996059][ T10] netlink_rcv_skb+0x130/0x360 [ 400.996059][ T10] netlink_unicast+0x449/0x710 [ 400.996059][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.996059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.996059][ T10] ___sys_sendmsg+0xee/0x170 [ 400.996059][ T10] __sys_sendmsg+0xcd/0x170 [ 400.996059][ T10] do_syscall_64+0xc6/0x1e0 [ 400.996059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.996059][ T10] [ 400.998463][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 400.998463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.998463][ T10] ipv6_find_idev+0x102/0x170 [ 400.998463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.998463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.998463][ T10] netlink_rcv_skb+0x130/0x360 [ 400.998463][ T10] netlink_unicast+0x449/0x710 [ 400.998463][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.998463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.998463][ T10] ___sys_sendmsg+0xee/0x170 [ 400.998463][ T10] __sys_sendmsg+0xcd/0x170 [ 400.998463][ T10] do_syscall_64+0xc6/0x1e0 [ 400.998463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.998463][ T10] [ 401.000483][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 401.000483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 401.000483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 401.000483][ T10] ipv6_find_idev+0x102/0x170 [ 401.000483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.000483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.000483][ T10] netlink_rcv_skb+0x130/0x360 [ 401.000483][ T10] netlink_unicast+0x449/0x710 [ 401.000483][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.000483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.000483][ T10] ___sys_sendmsg+0xee/0x170 [ 401.000483][ T10] __sys_sendmsg+0xcd/0x170 [ 401.000483][ T10] do_syscall_64+0xc6/0x1e0 [ 401.000483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.000483][ T10] [ 401.002605][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 401.002948][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 401.002948][ T10] netdev_get_by_index+0x5e/0x80 [ 401.002948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 401.002948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 401.002948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 401.002948][ T10] ipv6_add_addr+0x411/0x2000 [ 401.002948][ T10] inet6_addr_add+0x30e/0xa40 [ 401.002948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 401.002948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.002948][ T10] netlink_rcv_skb+0x130/0x360 [ 401.002948][ T10] netlink_unicast+0x449/0x710 [ 401.002948][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.002948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.002948][ T10] ___sys_sendmsg+0xee/0x170 [ 401.002948][ T10] __sys_sendmsg+0xcd/0x170 [ 401.002948][ T10] do_syscall_64+0xc6/0x1e0 [ 401.002948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.002948][ T10] [ 401.005181][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 401.005181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 401.005181][ T10] ipv6_find_idev+0x102/0x170 [ 401.005181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.005181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.005181][ T10] netlink_rcv_skb+0x130/0x360 [ 401.005181][ T10] netlink_unicast+0x449/0x710 [ 401.005181][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.005181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.005181][ T10] ___sys_sendmsg+0xee/0x170 [ 401.005181][ T10] __sys_sendmsg+0xcd/0x170 [ 401.005181][ T10] do_syscall_64+0xc6/0x1e0 [ 401.005181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.005181][ T10] [ 401.006884][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 401.006884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 401.006884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 401.006884][ T10] ipv6_find_idev+0x102/0x170 [ 401.006884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.006884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.006884][ T10] netlink_rcv_skb+0x130/0x360 [ 401.006884][ T10] netlink_unicast+0x449/0x710 [ 401.006884][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.006884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.006884][ T10] ___sys_sendmsg+0xee/0x170 [ 401.006884][ T10] __sys_sendmsg+0xcd/0x170 [ 401.006884][ T10] do_syscall_64+0xc6/0x1e0 [ 401.006884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.006884][ T10] [ 411.155682][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 411.156045][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 411.156045][ T10] netdev_get_by_index+0x5e/0x80 [ 411.156045][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.156045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.156045][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.156045][ T10] ipv6_add_addr+0x411/0x2000 [ 411.156045][ T10] inet6_addr_add+0x30e/0xa40 [ 411.156045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.156045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.156045][ T10] netlink_rcv_skb+0x130/0x360 [ 411.156045][ T10] netlink_unicast+0x449/0x710 [ 411.156045][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.156045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.156045][ T10] ___sys_sendmsg+0xee/0x170 [ 411.156045][ T10] __sys_sendmsg+0xcd/0x170 [ 411.156045][ T10] do_syscall_64+0xc6/0x1e0 [ 411.156045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.156045][ T10] [ 411.158277][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 411.158277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.158277][ T10] ipv6_find_idev+0x102/0x170 [ 411.158277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.158277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.158277][ T10] netlink_rcv_skb+0x130/0x360 [ 411.158277][ T10] netlink_unicast+0x449/0x710 [ 411.158277][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.158277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.158277][ T10] ___sys_sendmsg+0xee/0x170 [ 411.158277][ T10] __sys_sendmsg+0xcd/0x170 [ 411.158277][ T10] do_syscall_64+0xc6/0x1e0 [ 411.158277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.158277][ T10] [ 411.159971][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 411.159971][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.159971][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.159971][ T10] ipv6_find_idev+0x102/0x170 [ 411.159971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.159971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.159971][ T10] netlink_rcv_skb+0x130/0x360 [ 411.159971][ T10] netlink_unicast+0x449/0x710 [ 411.159971][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.159971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.159971][ T10] ___sys_sendmsg+0xee/0x170 [ 411.159971][ T10] __sys_sendmsg+0xcd/0x170 [ 411.159971][ T10] do_syscall_64+0xc6/0x1e0 [ 411.159971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.159971][ T10] [ 411.161839][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 411.162135][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 411.162135][ T10] netdev_get_by_index+0x5e/0x80 [ 411.162135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.162135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.162135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.162135][ T10] ipv6_add_addr+0x411/0x2000 [ 411.162135][ T10] inet6_addr_add+0x30e/0xa40 [ 411.162135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.162135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.162135][ T10] netlink_rcv_skb+0x130/0x360 [ 411.162135][ T10] netlink_unicast+0x449/0x710 [ 411.162135][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.162135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.162135][ T10] ___sys_sendmsg+0xee/0x170 [ 411.162135][ T10] __sys_sendmsg+0xcd/0x170 [ 411.162135][ T10] do_syscall_64+0xc6/0x1e0 [ 411.162135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.162135][ T10] [ 411.164345][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 411.164345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.164345][ T10] ipv6_find_idev+0x102/0x170 [ 411.164345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.164345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.164345][ T10] netlink_rcv_skb+0x130/0x360 [ 411.164345][ T10] netlink_unicast+0x449/0x710 [ 411.164345][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.164345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.164345][ T10] ___sys_sendmsg+0xee/0x170 [ 411.164345][ T10] __sys_sendmsg+0xcd/0x170 [ 411.164345][ T10] do_syscall_64+0xc6/0x1e0 [ 411.164345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.164345][ T10] [ 411.166043][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 411.166043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.166043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.166043][ T10] ipv6_find_idev+0x102/0x170 [ 411.166043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.166043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.166043][ T10] netlink_rcv_skb+0x130/0x360 [ 411.166043][ T10] netlink_unicast+0x449/0x710 [ 411.166043][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.166043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.166043][ T10] ___sys_sendmsg+0xee/0x170 [ 411.166043][ T10] __sys_sendmsg+0xcd/0x170 [ 411.166043][ T10] do_syscall_64+0xc6/0x1e0 [ 411.166043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.166043][ T10] [ 411.168033][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 411.168381][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 411.168381][ T10] netdev_get_by_index+0x5e/0x80 [ 411.168381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.168381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.168381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.168381][ T10] ipv6_add_addr+0x411/0x2000 [ 411.168381][ T10] inet6_addr_add+0x30e/0xa40 [ 411.168381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.168381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.168381][ T10] netlink_rcv_skb+0x130/0x360 [ 411.168381][ T10] netlink_unicast+0x449/0x710 [ 411.168381][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.168381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.168381][ T10] ___sys_sendmsg+0xee/0x170 [ 411.168381][ T10] __sys_sendmsg+0xcd/0x170 [ 411.168381][ T10] do_syscall_64+0xc6/0x1e0 [ 411.168381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.168381][ T10] [ 411.170585][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 411.170585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.170585][ T10] ipv6_find_idev+0x102/0x170 [ 411.170585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.170585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.170585][ T10] netlink_rcv_skb+0x130/0x360 [ 411.170585][ T10] netlink_unicast+0x449/0x710 [ 411.170585][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.170585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.170585][ T10] ___sys_sendmsg+0xee/0x170 [ 411.170585][ T10] __sys_sendmsg+0xcd/0x170 [ 411.170585][ T10] do_syscall_64+0xc6/0x1e0 [ 411.170585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.170585][ T10] [ 411.172287][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 411.172287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.172287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.172287][ T10] ipv6_find_idev+0x102/0x170 [ 411.172287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.172287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.172287][ T10] netlink_rcv_skb+0x130/0x360 [ 411.172287][ T10] netlink_unicast+0x449/0x710 [ 411.172287][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.172287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.172287][ T10] ___sys_sendmsg+0xee/0x170 [ 411.172287][ T10] __sys_sendmsg+0xcd/0x170 [ 411.172287][ T10] do_syscall_64+0xc6/0x1e0 [ 411.172287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.172287][ T10] [ 411.174160][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 411.174451][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 411.174451][ T10] netdev_get_by_index+0x5e/0x80 [ 411.174451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.174451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.174451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.174451][ T10] ipv6_add_addr+0x411/0x2000 [ 411.174451][ T10] inet6_addr_add+0x30e/0xa40 [ 411.174451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.174451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.174451][ T10] netlink_rcv_skb+0x130/0x360 [ 411.174451][ T10] netlink_unicast+0x449/0x710 [ 411.174451][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.174451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.174451][ T10] ___sys_sendmsg+0xee/0x170 [ 411.174451][ T10] __sys_sendmsg+0xcd/0x170 [ 411.174451][ T10] do_syscall_64+0xc6/0x1e0 [ 411.174451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.174451][ T10] [ 411.176647][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 411.176647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.176647][ T10] ipv6_find_idev+0x102/0x170 [ 411.176647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.176647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.176647][ T10] netlink_rcv_skb+0x130/0x360 [ 411.176647][ T10] netlink_unicast+0x449/0x710 [ 411.176647][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.176647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.176647][ T10] ___sys_sendmsg+0xee/0x170 [ 411.176647][ T10] __sys_sendmsg+0xcd/0x170 [ 411.176647][ T10] do_syscall_64+0xc6/0x1e0 [ 411.176647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.176647][ T10] [ 411.178355][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 411.178355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.178355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.178355][ T10] ipv6_find_idev+0x102/0x170 [ 411.178355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.178355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.178355][ T10] netlink_rcv_skb+0x130/0x360 [ 411.178355][ T10] netlink_unicast+0x449/0x710 [ 411.178355][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.178355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.178355][ T10] ___sys_sendmsg+0xee/0x170 [ 411.178355][ T10] __sys_sendmsg+0xcd/0x170 [ 411.178355][ T10] do_syscall_64+0xc6/0x1e0 [ 411.178355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.178355][ T10] [ 411.180607][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 411.181323][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 411.181323][ T10] netdev_get_by_index+0x5e/0x80 [ 411.181323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.181323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.181323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.181323][ T10] ipv6_add_addr+0x411/0x2000 [ 411.181323][ T10] inet6_addr_add+0x30e/0xa40 [ 411.181323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.181323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.181323][ T10] netlink_rcv_skb+0x130/0x360 [ 411.181323][ T10] netlink_unicast+0x449/0x710 [ 411.181323][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.181323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.181323][ T10] ___sys_sendmsg+0xee/0x170 [ 411.181323][ T10] __sys_sendmsg+0xcd/0x170 [ 411.181323][ T10] do_syscall_64+0xc6/0x1e0 [ 411.181323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.181323][ T10] [ 411.183534][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 411.183534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.183534][ T10] ipv6_find_idev+0x102/0x170 [ 411.183534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.183534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.183534][ T10] netlink_rcv_skb+0x130/0x360 [ 411.183534][ T10] netlink_unicast+0x449/0x710 [ 411.183534][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.183534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.183534][ T10] ___sys_sendmsg+0xee/0x170 [ 411.183534][ T10] __sys_sendmsg+0xcd/0x170 [ 411.183534][ T10] do_syscall_64+0xc6/0x1e0 [ 411.183534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.183534][ T10] [ 411.185239][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 411.185239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.185239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.185239][ T10] ipv6_find_idev+0x102/0x170 [ 411.185239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.185239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.185239][ T10] netlink_rcv_skb+0x130/0x360 [ 411.185239][ T10] netlink_unicast+0x449/0x710 [ 411.185239][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.185239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.185239][ T10] ___sys_sendmsg+0xee/0x170 [ 411.185239][ T10] __sys_sendmsg+0xcd/0x170 [ 411.185239][ T10] do_syscall_64+0xc6/0x1e0 [ 411.185239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.185239][ T10] [ 411.187119][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 411.187403][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 411.187403][ T10] netdev_get_by_index+0x5e/0x80 [ 411.187403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.187403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.187403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.187403][ T10] ipv6_add_addr+0x411/0x2000 [ 411.187403][ T10] inet6_addr_add+0x30e/0xa40 [ 411.187403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.187403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.187403][ T10] netlink_rcv_skb+0x130/0x360 [ 411.187403][ T10] netlink_unicast+0x449/0x710 [ 411.187403][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.187403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.187403][ T10] ___sys_sendmsg+0xee/0x170 [ 411.187403][ T10] __sys_sendmsg+0xcd/0x170 [ 411.187403][ T10] do_syscall_64+0xc6/0x1e0 [ 411.187403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.187403][ T10] [ 411.189622][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 411.189622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.189622][ T10] ipv6_find_idev+0x102/0x170 [ 411.189622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.189622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.189622][ T10] netlink_rcv_skb+0x130/0x360 [ 411.189622][ T10] netlink_unicast+0x449/0x710 [ 411.189622][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.189622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.189622][ T10] ___sys_sendmsg+0xee/0x170 [ 411.189622][ T10] __sys_sendmsg+0xcd/0x170 [ 411.189622][ T10] do_syscall_64+0xc6/0x1e0 [ 411.189622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.189622][ T10] [ 411.191327][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 411.191327][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.191327][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.191327][ T10] ipv6_find_idev+0x102/0x170 [ 411.191327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.191327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.191327][ T10] netlink_rcv_skb+0x130/0x360 [ 411.191327][ T10] netlink_unicast+0x449/0x710 [ 411.191327][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.191327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.191327][ T10] ___sys_sendmsg+0xee/0x170 [ 411.191327][ T10] __sys_sendmsg+0xcd/0x170 [ 411.191327][ T10] do_syscall_64+0xc6/0x1e0 [ 411.191327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.191327][ T10] [ 411.193357][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 411.193650][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 411.193650][ T10] netdev_get_by_index+0x5e/0x80 [ 411.193650][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.193650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.193650][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.193650][ T10] ipv6_add_addr+0x411/0x2000 [ 411.193650][ T10] inet6_addr_add+0x30e/0xa40 [ 411.193650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.193650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.193650][ T10] netlink_rcv_skb+0x130/0x360 [ 411.193650][ T10] netlink_unicast+0x449/0x710 [ 411.193650][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.193650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.193650][ T10] ___sys_sendmsg+0xee/0x170 [ 411.193650][ T10] __sys_sendmsg+0xcd/0x170 [ 411.193650][ T10] do_syscall_64+0xc6/0x1e0 [ 411.193650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.193650][ T10] [ 411.196099][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 411.196099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.196099][ T10] ipv6_find_idev+0x102/0x170 [ 411.196099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.196099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.196099][ T10] netlink_rcv_skb+0x130/0x360 [ 411.196099][ T10] netlink_unicast+0x449/0x710 [ 411.196099][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.196099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.196099][ T10] ___sys_sendmsg+0xee/0x170 [ 411.196099][ T10] __sys_sendmsg+0xcd/0x170 [ 411.196099][ T10] do_syscall_64+0xc6/0x1e0 [ 411.196099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.196099][ T10] [ 411.197981][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 411.197981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.197981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.197981][ T10] ipv6_find_idev+0x102/0x170 [ 411.197981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.197981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.197981][ T10] netlink_rcv_skb+0x130/0x360 [ 411.197981][ T10] netlink_unicast+0x449/0x710 [ 411.197981][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.197981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.197981][ T10] ___sys_sendmsg+0xee/0x170 [ 411.197981][ T10] __sys_sendmsg+0xcd/0x170 [ 411.197981][ T10] do_syscall_64+0xc6/0x1e0 [ 411.197981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.197981][ T10] [ 411.200076][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 411.200365][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 411.200365][ T10] netdev_get_by_index+0x5e/0x80 [ 411.200365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.200365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.200365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.200365][ T10] ipv6_add_addr+0x411/0x2000 [ 411.200365][ T10] inet6_addr_add+0x30e/0xa40 [ 411.200365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.200365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.200365][ T10] netlink_rcv_skb+0x130/0x360 [ 411.200365][ T10] netlink_unicast+0x449/0x710 [ 411.200365][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.200365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.200365][ T10] ___sys_sendmsg+0xee/0x170 [ 411.200365][ T10] __sys_sendmsg+0xcd/0x170 [ 411.200365][ T10] do_syscall_64+0xc6/0x1e0 [ 411.200365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.200365][ T10] [ 411.202678][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 411.202678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.202678][ T10] ipv6_find_idev+0x102/0x170 [ 411.202678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.202678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.202678][ T10] netlink_rcv_skb+0x130/0x360 [ 411.202678][ T10] netlink_unicast+0x449/0x710 [ 411.202678][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.202678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.202678][ T10] ___sys_sendmsg+0xee/0x170 [ 411.202678][ T10] __sys_sendmsg+0xcd/0x170 [ 411.202678][ T10] do_syscall_64+0xc6/0x1e0 [ 411.202678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.202678][ T10] [ 411.204545][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 411.204545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.204545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.204545][ T10] ipv6_find_idev+0x102/0x170 [ 411.204545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.204545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.204545][ T10] netlink_rcv_skb+0x130/0x360 [ 411.204545][ T10] netlink_unicast+0x449/0x710 [ 411.204545][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.204545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.204545][ T10] ___sys_sendmsg+0xee/0x170 [ 411.204545][ T10] __sys_sendmsg+0xcd/0x170 [ 411.204545][ T10] do_syscall_64+0xc6/0x1e0 [ 411.204545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.204545][ T10] [ 421.348663][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 421.349036][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 421.349036][ T10] netdev_get_by_index+0x5e/0x80 [ 421.349036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.349036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.349036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.349036][ T10] ipv6_add_addr+0x411/0x2000 [ 421.349036][ T10] inet6_addr_add+0x30e/0xa40 [ 421.349036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.349036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.349036][ T10] netlink_rcv_skb+0x130/0x360 [ 421.349036][ T10] netlink_unicast+0x449/0x710 [ 421.349036][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.349036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.349036][ T10] ___sys_sendmsg+0xee/0x170 [ 421.349036][ T10] __sys_sendmsg+0xcd/0x170 [ 421.349036][ T10] do_syscall_64+0xc6/0x1e0 [ 421.349036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.349036][ T10] [ 421.351266][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 421.351266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.351266][ T10] ipv6_find_idev+0x102/0x170 [ 421.351266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.351266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.351266][ T10] netlink_rcv_skb+0x130/0x360 [ 421.351266][ T10] netlink_unicast+0x449/0x710 [ 421.351266][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.351266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.351266][ T10] ___sys_sendmsg+0xee/0x170 [ 421.351266][ T10] __sys_sendmsg+0xcd/0x170 [ 421.351266][ T10] do_syscall_64+0xc6/0x1e0 [ 421.351266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.351266][ T10] [ 421.352951][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 421.352951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.352951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.352951][ T10] ipv6_find_idev+0x102/0x170 [ 421.352951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.352951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.352951][ T10] netlink_rcv_skb+0x130/0x360 [ 421.352951][ T10] netlink_unicast+0x449/0x710 [ 421.352951][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.352951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.352951][ T10] ___sys_sendmsg+0xee/0x170 [ 421.352951][ T10] __sys_sendmsg+0xcd/0x170 [ 421.352951][ T10] do_syscall_64+0xc6/0x1e0 [ 421.352951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.352951][ T10] [ 421.354819][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 421.355114][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 421.355114][ T10] netdev_get_by_index+0x5e/0x80 [ 421.355114][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.355114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.355114][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.355114][ T10] ipv6_add_addr+0x411/0x2000 [ 421.355114][ T10] inet6_addr_add+0x30e/0xa40 [ 421.355114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.355114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.355114][ T10] netlink_rcv_skb+0x130/0x360 [ 421.355114][ T10] netlink_unicast+0x449/0x710 [ 421.355114][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.355114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.355114][ T10] ___sys_sendmsg+0xee/0x170 [ 421.355114][ T10] __sys_sendmsg+0xcd/0x170 [ 421.355114][ T10] do_syscall_64+0xc6/0x1e0 [ 421.355114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.355114][ T10] [ 421.357297][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 421.357297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.357297][ T10] ipv6_find_idev+0x102/0x170 [ 421.357297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.357297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.357297][ T10] netlink_rcv_skb+0x130/0x360 [ 421.357297][ T10] netlink_unicast+0x449/0x710 [ 421.357297][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.357297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.357297][ T10] ___sys_sendmsg+0xee/0x170 [ 421.357297][ T10] __sys_sendmsg+0xcd/0x170 [ 421.357297][ T10] do_syscall_64+0xc6/0x1e0 [ 421.357297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.357297][ T10] [ 421.359003][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 421.359003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.359003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.359003][ T10] ipv6_find_idev+0x102/0x170 [ 421.359003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.359003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.359003][ T10] netlink_rcv_skb+0x130/0x360 [ 421.359003][ T10] netlink_unicast+0x449/0x710 [ 421.359003][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.359003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.359003][ T10] ___sys_sendmsg+0xee/0x170 [ 421.359003][ T10] __sys_sendmsg+0xcd/0x170 [ 421.359003][ T10] do_syscall_64+0xc6/0x1e0 [ 421.359003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.359003][ T10] [ 421.360864][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 421.361153][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 421.361153][ T10] netdev_get_by_index+0x5e/0x80 [ 421.361153][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.361153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.361153][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.361153][ T10] ipv6_add_addr+0x411/0x2000 [ 421.361153][ T10] inet6_addr_add+0x30e/0xa40 [ 421.361153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.361153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.361153][ T10] netlink_rcv_skb+0x130/0x360 [ 421.361153][ T10] netlink_unicast+0x449/0x710 [ 421.361153][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.361153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.361153][ T10] ___sys_sendmsg+0xee/0x170 [ 421.361153][ T10] __sys_sendmsg+0xcd/0x170 [ 421.361153][ T10] do_syscall_64+0xc6/0x1e0 [ 421.361153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.361153][ T10] [ 421.363342][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 421.363342][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.363342][ T10] ipv6_find_idev+0x102/0x170 [ 421.363342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.363342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.363342][ T10] netlink_rcv_skb+0x130/0x360 [ 421.363342][ T10] netlink_unicast+0x449/0x710 [ 421.363342][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.363342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.363342][ T10] ___sys_sendmsg+0xee/0x170 [ 421.363342][ T10] __sys_sendmsg+0xcd/0x170 [ 421.363342][ T10] do_syscall_64+0xc6/0x1e0 [ 421.363342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.363342][ T10] [ 421.365022][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 421.365022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.365022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.365022][ T10] ipv6_find_idev+0x102/0x170 [ 421.365022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.365022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.365022][ T10] netlink_rcv_skb+0x130/0x360 [ 421.365022][ T10] netlink_unicast+0x449/0x710 [ 421.365022][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.365022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.365022][ T10] ___sys_sendmsg+0xee/0x170 [ 421.365022][ T10] __sys_sendmsg+0xcd/0x170 [ 421.365022][ T10] do_syscall_64+0xc6/0x1e0 [ 421.365022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.365022][ T10] [ 421.366877][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 421.367167][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 421.367167][ T10] netdev_get_by_index+0x5e/0x80 [ 421.367167][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.367167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.367167][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.367167][ T10] ipv6_add_addr+0x411/0x2000 [ 421.367167][ T10] inet6_addr_add+0x30e/0xa40 [ 421.367167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.367167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.367167][ T10] netlink_rcv_skb+0x130/0x360 [ 421.367167][ T10] netlink_unicast+0x449/0x710 [ 421.367167][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.367167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.367167][ T10] ___sys_sendmsg+0xee/0x170 [ 421.367167][ T10] __sys_sendmsg+0xcd/0x170 [ 421.367167][ T10] do_syscall_64+0xc6/0x1e0 [ 421.367167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.367167][ T10] [ 421.369381][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 421.369381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.369381][ T10] ipv6_find_idev+0x102/0x170 [ 421.369381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.369381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.369381][ T10] netlink_rcv_skb+0x130/0x360 [ 421.369381][ T10] netlink_unicast+0x449/0x710 [ 421.369381][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.369381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.369381][ T10] ___sys_sendmsg+0xee/0x170 [ 421.369381][ T10] __sys_sendmsg+0xcd/0x170 [ 421.369381][ T10] do_syscall_64+0xc6/0x1e0 [ 421.369381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.369381][ T10] [ 421.371060][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 421.371060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.371060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.371060][ T10] ipv6_find_idev+0x102/0x170 [ 421.371060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.371060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.371060][ T10] netlink_rcv_skb+0x130/0x360 [ 421.371060][ T10] netlink_unicast+0x449/0x710 [ 421.371060][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.371060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.371060][ T10] ___sys_sendmsg+0xee/0x170 [ 421.371060][ T10] __sys_sendmsg+0xcd/0x170 [ 421.371060][ T10] do_syscall_64+0xc6/0x1e0 [ 421.371060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.371060][ T10] [ 421.372931][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 421.373226][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 421.373226][ T10] netdev_get_by_index+0x5e/0x80 [ 421.373226][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.373226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.373226][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.373226][ T10] ipv6_add_addr+0x411/0x2000 [ 421.373226][ T10] inet6_addr_add+0x30e/0xa40 [ 421.373226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.373226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.373226][ T10] netlink_rcv_skb+0x130/0x360 [ 421.373226][ T10] netlink_unicast+0x449/0x710 [ 421.373226][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.373226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.373226][ T10] ___sys_sendmsg+0xee/0x170 [ 421.373226][ T10] __sys_sendmsg+0xcd/0x170 [ 421.373226][ T10] do_syscall_64+0xc6/0x1e0 [ 421.373226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.373226][ T10] [ 421.375434][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 421.375434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.375434][ T10] ipv6_find_idev+0x102/0x170 [ 421.375434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.375434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.375434][ T10] netlink_rcv_skb+0x130/0x360 [ 421.375434][ T10] netlink_unicast+0x449/0x710 [ 421.375434][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.375434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.375434][ T10] ___sys_sendmsg+0xee/0x170 [ 421.375434][ T10] __sys_sendmsg+0xcd/0x170 [ 421.375434][ T10] do_syscall_64+0xc6/0x1e0 [ 421.375434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.375434][ T10] [ 421.377143][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 421.377143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.377143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.377143][ T10] ipv6_find_idev+0x102/0x170 [ 421.377143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.377143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.377143][ T10] netlink_rcv_skb+0x130/0x360 [ 421.377143][ T10] netlink_unicast+0x449/0x710 [ 421.377143][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.377143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.377143][ T10] ___sys_sendmsg+0xee/0x170 [ 421.377143][ T10] __sys_sendmsg+0xcd/0x170 [ 421.377143][ T10] do_syscall_64+0xc6/0x1e0 [ 421.377143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.377143][ T10] [ 421.379119][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 421.379415][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 421.379415][ T10] netdev_get_by_index+0x5e/0x80 [ 421.379415][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.379415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.379415][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.379415][ T10] ipv6_add_addr+0x411/0x2000 [ 421.379415][ T10] inet6_addr_add+0x30e/0xa40 [ 421.379415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.379415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.379415][ T10] netlink_rcv_skb+0x130/0x360 [ 421.379415][ T10] netlink_unicast+0x449/0x710 [ 421.379415][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.379415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.379415][ T10] ___sys_sendmsg+0xee/0x170 [ 421.379415][ T10] __sys_sendmsg+0xcd/0x170 [ 421.379415][ T10] do_syscall_64+0xc6/0x1e0 [ 421.379415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.379415][ T10] [ 421.381857][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 421.381857][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.381857][ T10] ipv6_find_idev+0x102/0x170 [ 421.381857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.381857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.381857][ T10] netlink_rcv_skb+0x130/0x360 [ 421.381857][ T10] netlink_unicast+0x449/0x710 [ 421.381857][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.381857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.381857][ T10] ___sys_sendmsg+0xee/0x170 [ 421.381857][ T10] __sys_sendmsg+0xcd/0x170 [ 421.381857][ T10] do_syscall_64+0xc6/0x1e0 [ 421.381857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.381857][ T10] [ 421.383672][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 421.383672][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.383672][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.383672][ T10] ipv6_find_idev+0x102/0x170 [ 421.383672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.383672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.383672][ T10] netlink_rcv_skb+0x130/0x360 [ 421.383672][ T10] netlink_unicast+0x449/0x710 [ 421.383672][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.383672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.383672][ T10] ___sys_sendmsg+0xee/0x170 [ 421.383672][ T10] __sys_sendmsg+0xcd/0x170 [ 421.383672][ T10] do_syscall_64+0xc6/0x1e0 [ 421.383672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.383672][ T10] [ 421.385800][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 421.386085][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 421.386085][ T10] netdev_get_by_index+0x5e/0x80 [ 421.386085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.386085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.386085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.386085][ T10] ipv6_add_addr+0x411/0x2000 [ 421.386085][ T10] inet6_addr_add+0x30e/0xa40 [ 421.386085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.386085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.386085][ T10] netlink_rcv_skb+0x130/0x360 [ 421.386085][ T10] netlink_unicast+0x449/0x710 [ 421.386085][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.386085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.386085][ T10] ___sys_sendmsg+0xee/0x170 [ 421.386085][ T10] __sys_sendmsg+0xcd/0x170 [ 421.386085][ T10] do_syscall_64+0xc6/0x1e0 [ 421.386085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.386085][ T10] [ 421.388503][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 421.388503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.388503][ T10] ipv6_find_idev+0x102/0x170 [ 421.388503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.388503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.388503][ T10] netlink_rcv_skb+0x130/0x360 [ 421.388503][ T10] netlink_unicast+0x449/0x710 [ 421.388503][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.388503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.388503][ T10] ___sys_sendmsg+0xee/0x170 [ 421.388503][ T10] __sys_sendmsg+0xcd/0x170 [ 421.388503][ T10] do_syscall_64+0xc6/0x1e0 [ 421.388503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.388503][ T10] [ 421.390319][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 421.390319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.390319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.390319][ T10] ipv6_find_idev+0x102/0x170 [ 421.390319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.390319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.390319][ T10] netlink_rcv_skb+0x130/0x360 [ 421.390319][ T10] netlink_unicast+0x449/0x710 [ 421.390319][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.390319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.390319][ T10] ___sys_sendmsg+0xee/0x170 [ 421.390319][ T10] __sys_sendmsg+0xcd/0x170 [ 421.390319][ T10] do_syscall_64+0xc6/0x1e0 [ 421.390319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.390319][ T10] [ 421.392388][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 421.392747][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 421.392747][ T10] netdev_get_by_index+0x5e/0x80 [ 421.392747][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.392747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.392747][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.392747][ T10] ipv6_add_addr+0x411/0x2000 [ 421.392747][ T10] inet6_addr_add+0x30e/0xa40 [ 421.392747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.392747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.392747][ T10] netlink_rcv_skb+0x130/0x360 [ 421.392747][ T10] netlink_unicast+0x449/0x710 [ 421.392747][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.392747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.392747][ T10] ___sys_sendmsg+0xee/0x170 [ 421.392747][ T10] __sys_sendmsg+0xcd/0x170 [ 421.392747][ T10] do_syscall_64+0xc6/0x1e0 [ 421.392747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.392747][ T10] [ 421.395108][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 421.395108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.395108][ T10] ipv6_find_idev+0x102/0x170 [ 421.395108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.395108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.395108][ T10] netlink_rcv_skb+0x130/0x360 [ 421.395108][ T10] netlink_unicast+0x449/0x710 [ 421.395108][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.395108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.395108][ T10] ___sys_sendmsg+0xee/0x170 [ 421.395108][ T10] __sys_sendmsg+0xcd/0x170 [ 421.395108][ T10] do_syscall_64+0xc6/0x1e0 [ 421.395108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.395108][ T10] [ 421.397045][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 421.397045][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.397045][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.397045][ T10] ipv6_find_idev+0x102/0x170 [ 421.397045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.397045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.397045][ T10] netlink_rcv_skb+0x130/0x360 [ 421.397045][ T10] netlink_unicast+0x449/0x710 [ 421.397045][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.397045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.397045][ T10] ___sys_sendmsg+0xee/0x170 [ 421.397045][ T10] __sys_sendmsg+0xcd/0x170 [ 421.397045][ T10] do_syscall_64+0xc6/0x1e0 [ 421.397045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.397045][ T10] [ 431.531677][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 431.532038][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 431.532038][ T10] netdev_get_by_index+0x5e/0x80 [ 431.532038][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.532038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.532038][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.532038][ T10] ipv6_add_addr+0x411/0x2000 [ 431.532038][ T10] inet6_addr_add+0x30e/0xa40 [ 431.532038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.532038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.532038][ T10] netlink_rcv_skb+0x130/0x360 [ 431.532038][ T10] netlink_unicast+0x449/0x710 [ 431.532038][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.532038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.532038][ T10] ___sys_sendmsg+0xee/0x170 [ 431.532038][ T10] __sys_sendmsg+0xcd/0x170 [ 431.532038][ T10] do_syscall_64+0xc6/0x1e0 [ 431.532038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.532038][ T10] [ 431.534274][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 431.534274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.534274][ T10] ipv6_find_idev+0x102/0x170 [ 431.534274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.534274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.534274][ T10] netlink_rcv_skb+0x130/0x360 [ 431.534274][ T10] netlink_unicast+0x449/0x710 [ 431.534274][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.534274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.534274][ T10] ___sys_sendmsg+0xee/0x170 [ 431.534274][ T10] __sys_sendmsg+0xcd/0x170 [ 431.534274][ T10] do_syscall_64+0xc6/0x1e0 [ 431.534274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.534274][ T10] [ 431.535988][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 431.535988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.535988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.535988][ T10] ipv6_find_idev+0x102/0x170 [ 431.535988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.535988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.535988][ T10] netlink_rcv_skb+0x130/0x360 [ 431.535988][ T10] netlink_unicast+0x449/0x710 [ 431.535988][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.535988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.535988][ T10] ___sys_sendmsg+0xee/0x170 [ 431.535988][ T10] __sys_sendmsg+0xcd/0x170 [ 431.535988][ T10] do_syscall_64+0xc6/0x1e0 [ 431.535988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.535988][ T10] [ 431.537849][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 431.538144][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 431.538144][ T10] netdev_get_by_index+0x5e/0x80 [ 431.538144][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.538144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.538144][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.538144][ T10] ipv6_add_addr+0x411/0x2000 [ 431.538144][ T10] inet6_addr_add+0x30e/0xa40 [ 431.538144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.538144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.538144][ T10] netlink_rcv_skb+0x130/0x360 [ 431.538144][ T10] netlink_unicast+0x449/0x710 [ 431.538144][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.538144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.538144][ T10] ___sys_sendmsg+0xee/0x170 [ 431.538144][ T10] __sys_sendmsg+0xcd/0x170 [ 431.538144][ T10] do_syscall_64+0xc6/0x1e0 [ 431.538144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.538144][ T10] [ 431.540332][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 431.540332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.540332][ T10] ipv6_find_idev+0x102/0x170 [ 431.540332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.540332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.540332][ T10] netlink_rcv_skb+0x130/0x360 [ 431.540332][ T10] netlink_unicast+0x449/0x710 [ 431.540332][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.540332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.540332][ T10] ___sys_sendmsg+0xee/0x170 [ 431.540332][ T10] __sys_sendmsg+0xcd/0x170 [ 431.540332][ T10] do_syscall_64+0xc6/0x1e0 [ 431.540332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.540332][ T10] [ 431.542039][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 431.542039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.542039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.542039][ T10] ipv6_find_idev+0x102/0x170 [ 431.542039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.542039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.542039][ T10] netlink_rcv_skb+0x130/0x360 [ 431.542039][ T10] netlink_unicast+0x449/0x710 [ 431.542039][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.542039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.542039][ T10] ___sys_sendmsg+0xee/0x170 [ 431.542039][ T10] __sys_sendmsg+0xcd/0x170 [ 431.542039][ T10] do_syscall_64+0xc6/0x1e0 [ 431.542039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.542039][ T10] [ 431.543885][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 431.544173][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 431.544173][ T10] netdev_get_by_index+0x5e/0x80 [ 431.544173][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.544173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.544173][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.544173][ T10] ipv6_add_addr+0x411/0x2000 [ 431.544173][ T10] inet6_addr_add+0x30e/0xa40 [ 431.544173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.544173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.544173][ T10] netlink_rcv_skb+0x130/0x360 [ 431.544173][ T10] netlink_unicast+0x449/0x710 [ 431.544173][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.544173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.544173][ T10] ___sys_sendmsg+0xee/0x170 [ 431.544173][ T10] __sys_sendmsg+0xcd/0x170 [ 431.544173][ T10] do_syscall_64+0xc6/0x1e0 [ 431.544173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.544173][ T10] [ 431.546361][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 431.546361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.546361][ T10] ipv6_find_idev+0x102/0x170 [ 431.546361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.546361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.546361][ T10] netlink_rcv_skb+0x130/0x360 [ 431.546361][ T10] netlink_unicast+0x449/0x710 [ 431.546361][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.546361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.546361][ T10] ___sys_sendmsg+0xee/0x170 [ 431.546361][ T10] __sys_sendmsg+0xcd/0x170 [ 431.546361][ T10] do_syscall_64+0xc6/0x1e0 [ 431.546361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.546361][ T10] [ 431.548053][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 431.548053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.548053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.548053][ T10] ipv6_find_idev+0x102/0x170 [ 431.548053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.548053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.548053][ T10] netlink_rcv_skb+0x130/0x360 [ 431.548053][ T10] netlink_unicast+0x449/0x710 [ 431.548053][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.548053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.548053][ T10] ___sys_sendmsg+0xee/0x170 [ 431.548053][ T10] __sys_sendmsg+0xcd/0x170 [ 431.548053][ T10] do_syscall_64+0xc6/0x1e0 [ 431.548053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.548053][ T10] [ 431.549921][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 431.550215][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 431.550215][ T10] netdev_get_by_index+0x5e/0x80 [ 431.550215][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.550215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.550215][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.550215][ T10] ipv6_add_addr+0x411/0x2000 [ 431.550215][ T10] inet6_addr_add+0x30e/0xa40 [ 431.550215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.550215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.550215][ T10] netlink_rcv_skb+0x130/0x360 [ 431.550215][ T10] netlink_unicast+0x449/0x710 [ 431.550215][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.550215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.550215][ T10] ___sys_sendmsg+0xee/0x170 [ 431.550215][ T10] __sys_sendmsg+0xcd/0x170 [ 431.550215][ T10] do_syscall_64+0xc6/0x1e0 [ 431.550215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.550215][ T10] [ 431.552503][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 431.552503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.552503][ T10] ipv6_find_idev+0x102/0x170 [ 431.552503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.552503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.552503][ T10] netlink_rcv_skb+0x130/0x360 [ 431.552503][ T10] netlink_unicast+0x449/0x710 [ 431.552503][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.552503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.552503][ T10] ___sys_sendmsg+0xee/0x170 [ 431.552503][ T10] __sys_sendmsg+0xcd/0x170 [ 431.552503][ T10] do_syscall_64+0xc6/0x1e0 [ 431.552503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.552503][ T10] [ 431.554406][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 431.554406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.554406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.554406][ T10] ipv6_find_idev+0x102/0x170 [ 431.554406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.554406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.554406][ T10] netlink_rcv_skb+0x130/0x360 [ 431.554406][ T10] netlink_unicast+0x449/0x710 [ 431.554406][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.554406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.554406][ T10] ___sys_sendmsg+0xee/0x170 [ 431.554406][ T10] __sys_sendmsg+0xcd/0x170 [ 431.554406][ T10] do_syscall_64+0xc6/0x1e0 [ 431.554406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.554406][ T10] [ 431.556399][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 431.556682][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 431.556682][ T10] netdev_get_by_index+0x5e/0x80 [ 431.556682][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.556682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.556682][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.556682][ T10] ipv6_add_addr+0x411/0x2000 [ 431.556682][ T10] inet6_addr_add+0x30e/0xa40 [ 431.556682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.556682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.556682][ T10] netlink_rcv_skb+0x130/0x360 [ 431.556682][ T10] netlink_unicast+0x449/0x710 [ 431.556682][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.556682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.556682][ T10] ___sys_sendmsg+0xee/0x170 [ 431.556682][ T10] __sys_sendmsg+0xcd/0x170 [ 431.556682][ T10] do_syscall_64+0xc6/0x1e0 [ 431.556682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.556682][ T10] [ 431.558985][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 431.558985][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.558985][ T10] ipv6_find_idev+0x102/0x170 [ 431.558985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.558985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.558985][ T10] netlink_rcv_skb+0x130/0x360 [ 431.558985][ T10] netlink_unicast+0x449/0x710 [ 431.558985][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.558985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.558985][ T10] ___sys_sendmsg+0xee/0x170 [ 431.558985][ T10] __sys_sendmsg+0xcd/0x170 [ 431.558985][ T10] do_syscall_64+0xc6/0x1e0 [ 431.558985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.558985][ T10] [ 431.560995][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 431.560995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.560995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.560995][ T10] ipv6_find_idev+0x102/0x170 [ 431.560995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.560995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.560995][ T10] netlink_rcv_skb+0x130/0x360 [ 431.560995][ T10] netlink_unicast+0x449/0x710 [ 431.560995][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.560995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.560995][ T10] ___sys_sendmsg+0xee/0x170 [ 431.560995][ T10] __sys_sendmsg+0xcd/0x170 [ 431.560995][ T10] do_syscall_64+0xc6/0x1e0 [ 431.560995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.560995][ T10] [ 431.563234][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 431.563518][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 431.563518][ T10] netdev_get_by_index+0x5e/0x80 [ 431.563518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.563518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.563518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.563518][ T10] ipv6_add_addr+0x411/0x2000 [ 431.563518][ T10] inet6_addr_add+0x30e/0xa40 [ 431.563518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.563518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.563518][ T10] netlink_rcv_skb+0x130/0x360 [ 431.563518][ T10] netlink_unicast+0x449/0x710 [ 431.563518][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.563518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.563518][ T10] ___sys_sendmsg+0xee/0x170 [ 431.563518][ T10] __sys_sendmsg+0xcd/0x170 [ 431.563518][ T10] do_syscall_64+0xc6/0x1e0 [ 431.563518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.563518][ T10] [ 431.565714][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 431.565714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.565714][ T10] ipv6_find_idev+0x102/0x170 [ 431.565714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.565714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.565714][ T10] netlink_rcv_skb+0x130/0x360 [ 431.565714][ T10] netlink_unicast+0x449/0x710 [ 431.565714][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.565714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.565714][ T10] ___sys_sendmsg+0xee/0x170 [ 431.565714][ T10] __sys_sendmsg+0xcd/0x170 [ 431.565714][ T10] do_syscall_64+0xc6/0x1e0 [ 431.565714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.565714][ T10] [ 431.567529][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 431.567529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.567529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.567529][ T10] ipv6_find_idev+0x102/0x170 [ 431.567529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.567529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.567529][ T10] netlink_rcv_skb+0x130/0x360 [ 431.567529][ T10] netlink_unicast+0x449/0x710 [ 431.567529][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.567529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.567529][ T10] ___sys_sendmsg+0xee/0x170 [ 431.567529][ T10] __sys_sendmsg+0xcd/0x170 [ 431.567529][ T10] do_syscall_64+0xc6/0x1e0 [ 431.567529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.567529][ T10] [ 431.569684][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 431.569975][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 431.569975][ T10] netdev_get_by_index+0x5e/0x80 [ 431.569975][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.569975][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.569975][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.569975][ T10] ipv6_add_addr+0x411/0x2000 [ 431.569975][ T10] inet6_addr_add+0x30e/0xa40 [ 431.569975][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.569975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.569975][ T10] netlink_rcv_skb+0x130/0x360 [ 431.569975][ T10] netlink_unicast+0x449/0x710 [ 431.569975][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.569975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.569975][ T10] ___sys_sendmsg+0xee/0x170 [ 431.569975][ T10] __sys_sendmsg+0xcd/0x170 [ 431.569975][ T10] do_syscall_64+0xc6/0x1e0 [ 431.569975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.569975][ T10] [ 431.572259][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 431.572259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.572259][ T10] ipv6_find_idev+0x102/0x170 [ 431.572259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.572259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.572259][ T10] netlink_rcv_skb+0x130/0x360 [ 431.572259][ T10] netlink_unicast+0x449/0x710 [ 431.572259][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.572259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.572259][ T10] ___sys_sendmsg+0xee/0x170 [ 431.572259][ T10] __sys_sendmsg+0xcd/0x170 [ 431.572259][ T10] do_syscall_64+0xc6/0x1e0 [ 431.572259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.572259][ T10] [ 431.574011][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 431.574011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.574011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.574011][ T10] ipv6_find_idev+0x102/0x170 [ 431.574011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.574011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.574011][ T10] netlink_rcv_skb+0x130/0x360 [ 431.574011][ T10] netlink_unicast+0x449/0x710 [ 431.574011][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.574011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.574011][ T10] ___sys_sendmsg+0xee/0x170 [ 431.574011][ T10] __sys_sendmsg+0xcd/0x170 [ 431.574011][ T10] do_syscall_64+0xc6/0x1e0 [ 431.574011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.574011][ T10] [ 431.575946][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 431.576229][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 431.576229][ T10] netdev_get_by_index+0x5e/0x80 [ 431.576229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.576229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.576229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.576229][ T10] ipv6_add_addr+0x411/0x2000 [ 431.576229][ T10] inet6_addr_add+0x30e/0xa40 [ 431.576229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.576229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.576229][ T10] netlink_rcv_skb+0x130/0x360 [ 431.576229][ T10] netlink_unicast+0x449/0x710 [ 431.576229][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.576229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.576229][ T10] ___sys_sendmsg+0xee/0x170 [ 431.576229][ T10] __sys_sendmsg+0xcd/0x170 [ 431.576229][ T10] do_syscall_64+0xc6/0x1e0 [ 431.576229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.576229][ T10] [ 431.578630][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 431.578630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.578630][ T10] ipv6_find_idev+0x102/0x170 [ 431.578630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.578630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.578630][ T10] netlink_rcv_skb+0x130/0x360 [ 431.578630][ T10] netlink_unicast+0x449/0x710 [ 431.578630][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.578630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.578630][ T10] ___sys_sendmsg+0xee/0x170 [ 431.578630][ T10] __sys_sendmsg+0xcd/0x170 [ 431.578630][ T10] do_syscall_64+0xc6/0x1e0 [ 431.578630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.578630][ T10] [ 431.580606][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 431.580606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.580606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.580606][ T10] ipv6_find_idev+0x102/0x170 [ 431.580606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.580606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.580606][ T10] netlink_rcv_skb+0x130/0x360 [ 431.580606][ T10] netlink_unicast+0x449/0x710 [ 431.580606][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.580606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.580606][ T10] ___sys_sendmsg+0xee/0x170 [ 431.580606][ T10] __sys_sendmsg+0xcd/0x170 [ 431.580606][ T10] do_syscall_64+0xc6/0x1e0 [ 431.580606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.580606][ T10] [ 441.683766][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 441.684207][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 441.684207][ T10] netdev_get_by_index+0x5e/0x80 [ 441.684207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.684207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.684207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.684207][ T10] ipv6_add_addr+0x411/0x2000 [ 441.684207][ T10] inet6_addr_add+0x30e/0xa40 [ 441.684207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.684207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.684207][ T10] netlink_rcv_skb+0x130/0x360 [ 441.684207][ T10] netlink_unicast+0x449/0x710 [ 441.684207][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.684207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.684207][ T10] ___sys_sendmsg+0xee/0x170 [ 441.684207][ T10] __sys_sendmsg+0xcd/0x170 [ 441.684207][ T10] do_syscall_64+0xc6/0x1e0 [ 441.684207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.684207][ T10] [ 441.686507][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 441.686507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.686507][ T10] ipv6_find_idev+0x102/0x170 [ 441.686507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.686507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.686507][ T10] netlink_rcv_skb+0x130/0x360 [ 441.686507][ T10] netlink_unicast+0x449/0x710 [ 441.686507][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.686507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.686507][ T10] ___sys_sendmsg+0xee/0x170 [ 441.686507][ T10] __sys_sendmsg+0xcd/0x170 [ 441.686507][ T10] do_syscall_64+0xc6/0x1e0 [ 441.686507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.686507][ T10] [ 441.688258][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 441.688258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.688258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.688258][ T10] ipv6_find_idev+0x102/0x170 [ 441.688258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.688258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.688258][ T10] netlink_rcv_skb+0x130/0x360 [ 441.688258][ T10] netlink_unicast+0x449/0x710 [ 441.688258][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.688258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.688258][ T10] ___sys_sendmsg+0xee/0x170 [ 441.688258][ T10] __sys_sendmsg+0xcd/0x170 [ 441.688258][ T10] do_syscall_64+0xc6/0x1e0 [ 441.688258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.688258][ T10] [ 441.690177][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 441.690476][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 441.690476][ T10] netdev_get_by_index+0x5e/0x80 [ 441.690476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.690476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.690476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.690476][ T10] ipv6_add_addr+0x411/0x2000 [ 441.690476][ T10] inet6_addr_add+0x30e/0xa40 [ 441.690476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.690476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.690476][ T10] netlink_rcv_skb+0x130/0x360 [ 441.690476][ T10] netlink_unicast+0x449/0x710 [ 441.690476][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.690476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.690476][ T10] ___sys_sendmsg+0xee/0x170 [ 441.690476][ T10] __sys_sendmsg+0xcd/0x170 [ 441.690476][ T10] do_syscall_64+0xc6/0x1e0 [ 441.690476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.690476][ T10] [ 441.692743][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 441.692743][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.692743][ T10] ipv6_find_idev+0x102/0x170 [ 441.692743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.692743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.692743][ T10] netlink_rcv_skb+0x130/0x360 [ 441.692743][ T10] netlink_unicast+0x449/0x710 [ 441.692743][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.692743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.692743][ T10] ___sys_sendmsg+0xee/0x170 [ 441.692743][ T10] __sys_sendmsg+0xcd/0x170 [ 441.692743][ T10] do_syscall_64+0xc6/0x1e0 [ 441.692743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.692743][ T10] [ 441.694485][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 441.694485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.694485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.694485][ T10] ipv6_find_idev+0x102/0x170 [ 441.694485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.694485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.694485][ T10] netlink_rcv_skb+0x130/0x360 [ 441.694485][ T10] netlink_unicast+0x449/0x710 [ 441.694485][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.694485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.694485][ T10] ___sys_sendmsg+0xee/0x170 [ 441.694485][ T10] __sys_sendmsg+0xcd/0x170 [ 441.694485][ T10] do_syscall_64+0xc6/0x1e0 [ 441.694485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.694485][ T10] [ 441.696385][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 441.696685][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 441.696685][ T10] netdev_get_by_index+0x5e/0x80 [ 441.696685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.696685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.696685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.696685][ T10] ipv6_add_addr+0x411/0x2000 [ 441.696685][ T10] inet6_addr_add+0x30e/0xa40 [ 441.696685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.696685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.696685][ T10] netlink_rcv_skb+0x130/0x360 [ 441.696685][ T10] netlink_unicast+0x449/0x710 [ 441.696685][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.696685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.696685][ T10] ___sys_sendmsg+0xee/0x170 [ 441.696685][ T10] __sys_sendmsg+0xcd/0x170 [ 441.696685][ T10] do_syscall_64+0xc6/0x1e0 [ 441.696685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.696685][ T10] [ 441.698953][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 441.698953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.698953][ T10] ipv6_find_idev+0x102/0x170 [ 441.698953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.698953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.698953][ T10] netlink_rcv_skb+0x130/0x360 [ 441.698953][ T10] netlink_unicast+0x449/0x710 [ 441.698953][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.698953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.698953][ T10] ___sys_sendmsg+0xee/0x170 [ 441.698953][ T10] __sys_sendmsg+0xcd/0x170 [ 441.698953][ T10] do_syscall_64+0xc6/0x1e0 [ 441.698953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.698953][ T10] [ 441.700696][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 441.700696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.700696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.700696][ T10] ipv6_find_idev+0x102/0x170 [ 441.700696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.700696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.700696][ T10] netlink_rcv_skb+0x130/0x360 [ 441.700696][ T10] netlink_unicast+0x449/0x710 [ 441.700696][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.700696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.700696][ T10] ___sys_sendmsg+0xee/0x170 [ 441.700696][ T10] __sys_sendmsg+0xcd/0x170 [ 441.700696][ T10] do_syscall_64+0xc6/0x1e0 [ 441.700696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.700696][ T10] [ 441.702838][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 441.703143][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 441.703143][ T10] netdev_get_by_index+0x5e/0x80 [ 441.703143][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.703143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.703143][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.703143][ T10] ipv6_add_addr+0x411/0x2000 [ 441.703143][ T10] inet6_addr_add+0x30e/0xa40 [ 441.703143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.703143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.703143][ T10] netlink_rcv_skb+0x130/0x360 [ 441.703143][ T10] netlink_unicast+0x449/0x710 [ 441.703143][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.703143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.703143][ T10] ___sys_sendmsg+0xee/0x170 [ 441.703143][ T10] __sys_sendmsg+0xcd/0x170 [ 441.703143][ T10] do_syscall_64+0xc6/0x1e0 [ 441.703143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.703143][ T10] [ 441.705420][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 441.705420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.705420][ T10] ipv6_find_idev+0x102/0x170 [ 441.705420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.705420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.705420][ T10] netlink_rcv_skb+0x130/0x360 [ 441.705420][ T10] netlink_unicast+0x449/0x710 [ 441.705420][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.705420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.705420][ T10] ___sys_sendmsg+0xee/0x170 [ 441.705420][ T10] __sys_sendmsg+0xcd/0x170 [ 441.705420][ T10] do_syscall_64+0xc6/0x1e0 [ 441.705420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.705420][ T10] [ 441.707172][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 441.707172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.707172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.707172][ T10] ipv6_find_idev+0x102/0x170 [ 441.707172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.707172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.707172][ T10] netlink_rcv_skb+0x130/0x360 [ 441.707172][ T10] netlink_unicast+0x449/0x710 [ 441.707172][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.707172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.707172][ T10] ___sys_sendmsg+0xee/0x170 [ 441.707172][ T10] __sys_sendmsg+0xcd/0x170 [ 441.707172][ T10] do_syscall_64+0xc6/0x1e0 [ 441.707172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.707172][ T10] [ 441.709104][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 441.709447][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 441.709447][ T10] netdev_get_by_index+0x5e/0x80 [ 441.709447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.709447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.709447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.709447][ T10] ipv6_add_addr+0x411/0x2000 [ 441.709447][ T10] inet6_addr_add+0x30e/0xa40 [ 441.709447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.709447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.709447][ T10] netlink_rcv_skb+0x130/0x360 [ 441.709447][ T10] netlink_unicast+0x449/0x710 [ 441.709447][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.709447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.709447][ T10] ___sys_sendmsg+0xee/0x170 [ 441.709447][ T10] __sys_sendmsg+0xcd/0x170 [ 441.709447][ T10] do_syscall_64+0xc6/0x1e0 [ 441.709447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.709447][ T10] [ 441.711698][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 441.711698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.711698][ T10] ipv6_find_idev+0x102/0x170 [ 441.711698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.711698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.711698][ T10] netlink_rcv_skb+0x130/0x360 [ 441.711698][ T10] netlink_unicast+0x449/0x710 [ 441.711698][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.711698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.711698][ T10] ___sys_sendmsg+0xee/0x170 [ 441.711698][ T10] __sys_sendmsg+0xcd/0x170 [ 441.711698][ T10] do_syscall_64+0xc6/0x1e0 [ 441.711698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.711698][ T10] [ 441.713737][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 441.713737][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.713737][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.713737][ T10] ipv6_find_idev+0x102/0x170 [ 441.713737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.713737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.713737][ T10] netlink_rcv_skb+0x130/0x360 [ 441.713737][ T10] netlink_unicast+0x449/0x710 [ 441.713737][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.713737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.713737][ T10] ___sys_sendmsg+0xee/0x170 [ 441.713737][ T10] __sys_sendmsg+0xcd/0x170 [ 441.713737][ T10] do_syscall_64+0xc6/0x1e0 [ 441.713737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.713737][ T10] [ 441.715900][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 441.716245][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 441.716245][ T10] netdev_get_by_index+0x5e/0x80 [ 441.716245][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.716245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.716245][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.716245][ T10] ipv6_add_addr+0x411/0x2000 [ 441.716245][ T10] inet6_addr_add+0x30e/0xa40 [ 441.716245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.716245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.716245][ T10] netlink_rcv_skb+0x130/0x360 [ 441.716245][ T10] netlink_unicast+0x449/0x710 [ 441.716245][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.716245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.716245][ T10] ___sys_sendmsg+0xee/0x170 [ 441.716245][ T10] __sys_sendmsg+0xcd/0x170 [ 441.716245][ T10] do_syscall_64+0xc6/0x1e0 [ 441.716245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.716245][ T10] [ 441.718659][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 441.718659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.718659][ T10] ipv6_find_idev+0x102/0x170 [ 441.718659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.718659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.718659][ T10] netlink_rcv_skb+0x130/0x360 [ 441.718659][ T10] netlink_unicast+0x449/0x710 [ 441.718659][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.718659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.718659][ T10] ___sys_sendmsg+0xee/0x170 [ 441.718659][ T10] __sys_sendmsg+0xcd/0x170 [ 441.718659][ T10] do_syscall_64+0xc6/0x1e0 [ 441.718659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.718659][ T10] [ 441.720534][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 441.720534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.720534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.720534][ T10] ipv6_find_idev+0x102/0x170 [ 441.720534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.720534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.720534][ T10] netlink_rcv_skb+0x130/0x360 [ 441.720534][ T10] netlink_unicast+0x449/0x710 [ 441.720534][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.720534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.720534][ T10] ___sys_sendmsg+0xee/0x170 [ 441.720534][ T10] __sys_sendmsg+0xcd/0x170 [ 441.720534][ T10] do_syscall_64+0xc6/0x1e0 [ 441.720534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.720534][ T10] [ 441.722617][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 441.722967][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 441.722967][ T10] netdev_get_by_index+0x5e/0x80 [ 441.722967][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.722967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.722967][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.722967][ T10] ipv6_add_addr+0x411/0x2000 [ 441.722967][ T10] inet6_addr_add+0x30e/0xa40 [ 441.722967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.722967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.722967][ T10] netlink_rcv_skb+0x130/0x360 [ 441.722967][ T10] netlink_unicast+0x449/0x710 [ 441.722967][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.722967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.722967][ T10] ___sys_sendmsg+0xee/0x170 [ 441.722967][ T10] __sys_sendmsg+0xcd/0x170 [ 441.722967][ T10] do_syscall_64+0xc6/0x1e0 [ 441.722967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.722967][ T10] [ 441.725426][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 441.725426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.725426][ T10] ipv6_find_idev+0x102/0x170 [ 441.725426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.725426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.725426][ T10] netlink_rcv_skb+0x130/0x360 [ 441.725426][ T10] netlink_unicast+0x449/0x710 [ 441.725426][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.725426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.725426][ T10] ___sys_sendmsg+0xee/0x170 [ 441.725426][ T10] __sys_sendmsg+0xcd/0x170 [ 441.725426][ T10] do_syscall_64+0xc6/0x1e0 [ 441.725426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.725426][ T10] [ 441.727341][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 441.727341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.727341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.727341][ T10] ipv6_find_idev+0x102/0x170 [ 441.727341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.727341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.727341][ T10] netlink_rcv_skb+0x130/0x360 [ 441.727341][ T10] netlink_unicast+0x449/0x710 [ 441.727341][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.727341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.727341][ T10] ___sys_sendmsg+0xee/0x170 [ 441.727341][ T10] __sys_sendmsg+0xcd/0x170 [ 441.727341][ T10] do_syscall_64+0xc6/0x1e0 [ 441.727341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.727341][ T10] [ 441.729468][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 441.729946][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 441.729946][ T10] netdev_get_by_index+0x5e/0x80 [ 441.729946][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.729946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.729946][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.729946][ T10] ipv6_add_addr+0x411/0x2000 [ 441.729946][ T10] inet6_addr_add+0x30e/0xa40 [ 441.729946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.729946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.729946][ T10] netlink_rcv_skb+0x130/0x360 [ 441.729946][ T10] netlink_unicast+0x449/0x710 [ 441.729946][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.729946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.729946][ T10] ___sys_sendmsg+0xee/0x170 [ 441.729946][ T10] __sys_sendmsg+0xcd/0x170 [ 441.729946][ T10] do_syscall_64+0xc6/0x1e0 [ 441.729946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.729946][ T10] [ 441.732449][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 441.732449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.732449][ T10] ipv6_find_idev+0x102/0x170 [ 441.732449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.732449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.732449][ T10] netlink_rcv_skb+0x130/0x360 [ 441.732449][ T10] netlink_unicast+0x449/0x710 [ 441.732449][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.732449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.732449][ T10] ___sys_sendmsg+0xee/0x170 [ 441.732449][ T10] __sys_sendmsg+0xcd/0x170 [ 441.732449][ T10] do_syscall_64+0xc6/0x1e0 [ 441.732449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.732449][ T10] [ 441.734388][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 441.734388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.734388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.734388][ T10] ipv6_find_idev+0x102/0x170 [ 441.734388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.734388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.734388][ T10] netlink_rcv_skb+0x130/0x360 [ 441.734388][ T10] netlink_unicast+0x449/0x710 [ 441.734388][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.734388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.734388][ T10] ___sys_sendmsg+0xee/0x170 [ 441.734388][ T10] __sys_sendmsg+0xcd/0x170 [ 441.734388][ T10] do_syscall_64+0xc6/0x1e0 [ 441.734388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.734388][ T10] [ 451.877664][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 451.878020][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 451.878020][ T10] netdev_get_by_index+0x5e/0x80 [ 451.878020][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.878020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.878020][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.878020][ T10] ipv6_add_addr+0x411/0x2000 [ 451.878020][ T10] inet6_addr_add+0x30e/0xa40 [ 451.878020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.878020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.878020][ T10] netlink_rcv_skb+0x130/0x360 [ 451.878020][ T10] netlink_unicast+0x449/0x710 [ 451.878020][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.878020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.878020][ T10] ___sys_sendmsg+0xee/0x170 [ 451.878020][ T10] __sys_sendmsg+0xcd/0x170 [ 451.878020][ T10] do_syscall_64+0xc6/0x1e0 [ 451.878020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.878020][ T10] [ 451.880239][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 451.880239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.880239][ T10] ipv6_find_idev+0x102/0x170 [ 451.880239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.880239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.880239][ T10] netlink_rcv_skb+0x130/0x360 [ 451.880239][ T10] netlink_unicast+0x449/0x710 [ 451.880239][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.880239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.880239][ T10] ___sys_sendmsg+0xee/0x170 [ 451.880239][ T10] __sys_sendmsg+0xcd/0x170 [ 451.880239][ T10] do_syscall_64+0xc6/0x1e0 [ 451.880239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.880239][ T10] [ 451.881933][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 451.881933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.881933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.881933][ T10] ipv6_find_idev+0x102/0x170 [ 451.881933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.881933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.881933][ T10] netlink_rcv_skb+0x130/0x360 [ 451.881933][ T10] netlink_unicast+0x449/0x710 [ 451.881933][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.881933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.881933][ T10] ___sys_sendmsg+0xee/0x170 [ 451.881933][ T10] __sys_sendmsg+0xcd/0x170 [ 451.881933][ T10] do_syscall_64+0xc6/0x1e0 [ 451.881933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.881933][ T10] [ 451.883783][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 451.884074][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 451.884074][ T10] netdev_get_by_index+0x5e/0x80 [ 451.884074][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.884074][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.884074][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.884074][ T10] ipv6_add_addr+0x411/0x2000 [ 451.884074][ T10] inet6_addr_add+0x30e/0xa40 [ 451.884074][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.884074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.884074][ T10] netlink_rcv_skb+0x130/0x360 [ 451.884074][ T10] netlink_unicast+0x449/0x710 [ 451.884074][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.884074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.884074][ T10] ___sys_sendmsg+0xee/0x170 [ 451.884074][ T10] __sys_sendmsg+0xcd/0x170 [ 451.884074][ T10] do_syscall_64+0xc6/0x1e0 [ 451.884074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.884074][ T10] [ 451.886297][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 451.886297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.886297][ T10] ipv6_find_idev+0x102/0x170 [ 451.886297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.886297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.886297][ T10] netlink_rcv_skb+0x130/0x360 [ 451.886297][ T10] netlink_unicast+0x449/0x710 [ 451.886297][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.886297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.886297][ T10] ___sys_sendmsg+0xee/0x170 [ 451.886297][ T10] __sys_sendmsg+0xcd/0x170 [ 451.886297][ T10] do_syscall_64+0xc6/0x1e0 [ 451.886297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.886297][ T10] [ 451.888018][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 451.888018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.888018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.888018][ T10] ipv6_find_idev+0x102/0x170 [ 451.888018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.888018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.888018][ T10] netlink_rcv_skb+0x130/0x360 [ 451.888018][ T10] netlink_unicast+0x449/0x710 [ 451.888018][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.888018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.888018][ T10] ___sys_sendmsg+0xee/0x170 [ 451.888018][ T10] __sys_sendmsg+0xcd/0x170 [ 451.888018][ T10] do_syscall_64+0xc6/0x1e0 [ 451.888018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.888018][ T10] [ 451.889867][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 451.890150][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 451.890150][ T10] netdev_get_by_index+0x5e/0x80 [ 451.890150][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.890150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.890150][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.890150][ T10] ipv6_add_addr+0x411/0x2000 [ 451.890150][ T10] inet6_addr_add+0x30e/0xa40 [ 451.890150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.890150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.890150][ T10] netlink_rcv_skb+0x130/0x360 [ 451.890150][ T10] netlink_unicast+0x449/0x710 [ 451.890150][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.890150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.890150][ T10] ___sys_sendmsg+0xee/0x170 [ 451.890150][ T10] __sys_sendmsg+0xcd/0x170 [ 451.890150][ T10] do_syscall_64+0xc6/0x1e0 [ 451.890150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.890150][ T10] [ 451.892362][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 451.892362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.892362][ T10] ipv6_find_idev+0x102/0x170 [ 451.892362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.892362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.892362][ T10] netlink_rcv_skb+0x130/0x360 [ 451.892362][ T10] netlink_unicast+0x449/0x710 [ 451.892362][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.892362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.892362][ T10] ___sys_sendmsg+0xee/0x170 [ 451.892362][ T10] __sys_sendmsg+0xcd/0x170 [ 451.892362][ T10] do_syscall_64+0xc6/0x1e0 [ 451.892362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.892362][ T10] [ 451.894073][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 451.894073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.894073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.894073][ T10] ipv6_find_idev+0x102/0x170 [ 451.894073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.894073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.894073][ T10] netlink_rcv_skb+0x130/0x360 [ 451.894073][ T10] netlink_unicast+0x449/0x710 [ 451.894073][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.894073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.894073][ T10] ___sys_sendmsg+0xee/0x170 [ 451.894073][ T10] __sys_sendmsg+0xcd/0x170 [ 451.894073][ T10] do_syscall_64+0xc6/0x1e0 [ 451.894073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.894073][ T10] [ 451.895986][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 451.896395][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 451.896395][ T10] netdev_get_by_index+0x5e/0x80 [ 451.896395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.896395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.896395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.896395][ T10] ipv6_add_addr+0x411/0x2000 [ 451.896395][ T10] inet6_addr_add+0x30e/0xa40 [ 451.896395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.896395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.896395][ T10] netlink_rcv_skb+0x130/0x360 [ 451.896395][ T10] netlink_unicast+0x449/0x710 [ 451.896395][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.896395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.896395][ T10] ___sys_sendmsg+0xee/0x170 [ 451.896395][ T10] __sys_sendmsg+0xcd/0x170 [ 451.896395][ T10] do_syscall_64+0xc6/0x1e0 [ 451.896395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.896395][ T10] [ 451.898824][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 451.898824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.898824][ T10] ipv6_find_idev+0x102/0x170 [ 451.898824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.898824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.898824][ T10] netlink_rcv_skb+0x130/0x360 [ 451.898824][ T10] netlink_unicast+0x449/0x710 [ 451.898824][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.898824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.898824][ T10] ___sys_sendmsg+0xee/0x170 [ 451.898824][ T10] __sys_sendmsg+0xcd/0x170 [ 451.898824][ T10] do_syscall_64+0xc6/0x1e0 [ 451.898824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.898824][ T10] [ 451.900695][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 451.900695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.900695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.900695][ T10] ipv6_find_idev+0x102/0x170 [ 451.900695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.900695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.900695][ T10] netlink_rcv_skb+0x130/0x360 [ 451.900695][ T10] netlink_unicast+0x449/0x710 [ 451.900695][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.900695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.900695][ T10] ___sys_sendmsg+0xee/0x170 [ 451.900695][ T10] __sys_sendmsg+0xcd/0x170 [ 451.900695][ T10] do_syscall_64+0xc6/0x1e0 [ 451.900695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.900695][ T10] [ 451.903068][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 451.903360][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 451.903360][ T10] netdev_get_by_index+0x5e/0x80 [ 451.903360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.903360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.903360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.903360][ T10] ipv6_add_addr+0x411/0x2000 [ 451.903360][ T10] inet6_addr_add+0x30e/0xa40 [ 451.903360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.903360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.903360][ T10] netlink_rcv_skb+0x130/0x360 [ 451.903360][ T10] netlink_unicast+0x449/0x710 [ 451.903360][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.903360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.903360][ T10] ___sys_sendmsg+0xee/0x170 [ 451.903360][ T10] __sys_sendmsg+0xcd/0x170 [ 451.903360][ T10] do_syscall_64+0xc6/0x1e0 [ 451.903360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.903360][ T10] [ 451.905622][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 451.905622][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.905622][ T10] ipv6_find_idev+0x102/0x170 [ 451.905622][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.905622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.905622][ T10] netlink_rcv_skb+0x130/0x360 [ 451.905622][ T10] netlink_unicast+0x449/0x710 [ 451.905622][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.905622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.905622][ T10] ___sys_sendmsg+0xee/0x170 [ 451.905622][ T10] __sys_sendmsg+0xcd/0x170 [ 451.905622][ T10] do_syscall_64+0xc6/0x1e0 [ 451.905622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.905622][ T10] [ 451.907524][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 451.907524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.907524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.907524][ T10] ipv6_find_idev+0x102/0x170 [ 451.907524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.907524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.907524][ T10] netlink_rcv_skb+0x130/0x360 [ 451.907524][ T10] netlink_unicast+0x449/0x710 [ 451.907524][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.907524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.907524][ T10] ___sys_sendmsg+0xee/0x170 [ 451.907524][ T10] __sys_sendmsg+0xcd/0x170 [ 451.907524][ T10] do_syscall_64+0xc6/0x1e0 [ 451.907524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.907524][ T10] [ 451.909739][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 451.910031][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 451.910031][ T10] netdev_get_by_index+0x5e/0x80 [ 451.910031][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.910031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.910031][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.910031][ T10] ipv6_add_addr+0x411/0x2000 [ 451.910031][ T10] inet6_addr_add+0x30e/0xa40 [ 451.910031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.910031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.910031][ T10] netlink_rcv_skb+0x130/0x360 [ 451.910031][ T10] netlink_unicast+0x449/0x710 [ 451.910031][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.910031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.910031][ T10] ___sys_sendmsg+0xee/0x170 [ 451.910031][ T10] __sys_sendmsg+0xcd/0x170 [ 451.910031][ T10] do_syscall_64+0xc6/0x1e0 [ 451.910031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.910031][ T10] [ 451.912233][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 451.912233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.912233][ T10] ipv6_find_idev+0x102/0x170 [ 451.912233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.912233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.912233][ T10] netlink_rcv_skb+0x130/0x360 [ 451.912233][ T10] netlink_unicast+0x449/0x710 [ 451.912233][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.912233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.912233][ T10] ___sys_sendmsg+0xee/0x170 [ 451.912233][ T10] __sys_sendmsg+0xcd/0x170 [ 451.912233][ T10] do_syscall_64+0xc6/0x1e0 [ 451.912233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.912233][ T10] [ 451.913937][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 451.913937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.913937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.913937][ T10] ipv6_find_idev+0x102/0x170 [ 451.913937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.913937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.913937][ T10] netlink_rcv_skb+0x130/0x360 [ 451.913937][ T10] netlink_unicast+0x449/0x710 [ 451.913937][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.913937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.913937][ T10] ___sys_sendmsg+0xee/0x170 [ 451.913937][ T10] __sys_sendmsg+0xcd/0x170 [ 451.913937][ T10] do_syscall_64+0xc6/0x1e0 [ 451.913937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.913937][ T10] [ 451.915934][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 451.916332][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 451.916332][ T10] netdev_get_by_index+0x5e/0x80 [ 451.916332][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.916332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.916332][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.916332][ T10] ipv6_add_addr+0x411/0x2000 [ 451.916332][ T10] inet6_addr_add+0x30e/0xa40 [ 451.916332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.916332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.916332][ T10] netlink_rcv_skb+0x130/0x360 [ 451.916332][ T10] netlink_unicast+0x449/0x710 [ 451.916332][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.916332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.916332][ T10] ___sys_sendmsg+0xee/0x170 [ 451.916332][ T10] __sys_sendmsg+0xcd/0x170 [ 451.916332][ T10] do_syscall_64+0xc6/0x1e0 [ 451.916332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.916332][ T10] [ 451.918720][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 451.918720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.918720][ T10] ipv6_find_idev+0x102/0x170 [ 451.918720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.918720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.918720][ T10] netlink_rcv_skb+0x130/0x360 [ 451.918720][ T10] netlink_unicast+0x449/0x710 [ 451.918720][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.918720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.918720][ T10] ___sys_sendmsg+0xee/0x170 [ 451.918720][ T10] __sys_sendmsg+0xcd/0x170 [ 451.918720][ T10] do_syscall_64+0xc6/0x1e0 [ 451.918720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.918720][ T10] [ 451.920690][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 451.920690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.920690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.920690][ T10] ipv6_find_idev+0x102/0x170 [ 451.920690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.920690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.920690][ T10] netlink_rcv_skb+0x130/0x360 [ 451.920690][ T10] netlink_unicast+0x449/0x710 [ 451.920690][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.920690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.920690][ T10] ___sys_sendmsg+0xee/0x170 [ 451.920690][ T10] __sys_sendmsg+0xcd/0x170 [ 451.920690][ T10] do_syscall_64+0xc6/0x1e0 [ 451.920690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.920690][ T10] [ 451.922858][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 451.923144][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 451.923144][ T10] netdev_get_by_index+0x5e/0x80 [ 451.923144][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.923144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.923144][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.923144][ T10] ipv6_add_addr+0x411/0x2000 [ 451.923144][ T10] inet6_addr_add+0x30e/0xa40 [ 451.923144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.923144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.923144][ T10] netlink_rcv_skb+0x130/0x360 [ 451.923144][ T10] netlink_unicast+0x449/0x710 [ 451.923144][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.923144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.923144][ T10] ___sys_sendmsg+0xee/0x170 [ 451.923144][ T10] __sys_sendmsg+0xcd/0x170 [ 451.923144][ T10] do_syscall_64+0xc6/0x1e0 [ 451.923144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.923144][ T10] [ 451.925398][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 451.925398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.925398][ T10] ipv6_find_idev+0x102/0x170 [ 451.925398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.925398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.925398][ T10] netlink_rcv_skb+0x130/0x360 [ 451.925398][ T10] netlink_unicast+0x449/0x710 [ 451.925398][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.925398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.925398][ T10] ___sys_sendmsg+0xee/0x170 [ 451.925398][ T10] __sys_sendmsg+0xcd/0x170 [ 451.925398][ T10] do_syscall_64+0xc6/0x1e0 [ 451.925398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.925398][ T10] [ 451.927109][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 451.927109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.927109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.927109][ T10] ipv6_find_idev+0x102/0x170 [ 451.927109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.927109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.927109][ T10] netlink_rcv_skb+0x130/0x360 [ 451.927109][ T10] netlink_unicast+0x449/0x710 [ 451.927109][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.927109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.927109][ T10] ___sys_sendmsg+0xee/0x170 [ 451.927109][ T10] __sys_sendmsg+0xcd/0x170 [ 451.927109][ T10] do_syscall_64+0xc6/0x1e0 [ 451.927109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.927109][ T10] [ 462.083746][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 462.084103][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 462.084103][ T10] netdev_get_by_index+0x5e/0x80 [ 462.084103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.084103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.084103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.084103][ T10] ipv6_add_addr+0x411/0x2000 [ 462.084103][ T10] inet6_addr_add+0x30e/0xa40 [ 462.084103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.084103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.084103][ T10] netlink_rcv_skb+0x130/0x360 [ 462.084103][ T10] netlink_unicast+0x449/0x710 [ 462.084103][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.084103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.084103][ T10] ___sys_sendmsg+0xee/0x170 [ 462.084103][ T10] __sys_sendmsg+0xcd/0x170 [ 462.084103][ T10] do_syscall_64+0xc6/0x1e0 [ 462.084103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.084103][ T10] [ 462.086341][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 462.086341][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.086341][ T10] ipv6_find_idev+0x102/0x170 [ 462.086341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.086341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.086341][ T10] netlink_rcv_skb+0x130/0x360 [ 462.086341][ T10] netlink_unicast+0x449/0x710 [ 462.086341][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.086341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.086341][ T10] ___sys_sendmsg+0xee/0x170 [ 462.086341][ T10] __sys_sendmsg+0xcd/0x170 [ 462.086341][ T10] do_syscall_64+0xc6/0x1e0 [ 462.086341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.086341][ T10] [ 462.088073][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 462.088073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.088073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.088073][ T10] ipv6_find_idev+0x102/0x170 [ 462.088073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.088073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.088073][ T10] netlink_rcv_skb+0x130/0x360 [ 462.088073][ T10] netlink_unicast+0x449/0x710 [ 462.088073][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.088073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.088073][ T10] ___sys_sendmsg+0xee/0x170 [ 462.088073][ T10] __sys_sendmsg+0xcd/0x170 [ 462.088073][ T10] do_syscall_64+0xc6/0x1e0 [ 462.088073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.088073][ T10] [ 462.089953][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 462.090236][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 462.090236][ T10] netdev_get_by_index+0x5e/0x80 [ 462.090236][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.090236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.090236][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.090236][ T10] ipv6_add_addr+0x411/0x2000 [ 462.090236][ T10] inet6_addr_add+0x30e/0xa40 [ 462.090236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.090236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.090236][ T10] netlink_rcv_skb+0x130/0x360 [ 462.090236][ T10] netlink_unicast+0x449/0x710 [ 462.090236][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.090236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.090236][ T10] ___sys_sendmsg+0xee/0x170 [ 462.090236][ T10] __sys_sendmsg+0xcd/0x170 [ 462.090236][ T10] do_syscall_64+0xc6/0x1e0 [ 462.090236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.090236][ T10] [ 462.092442][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 462.092442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.092442][ T10] ipv6_find_idev+0x102/0x170 [ 462.092442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.092442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.092442][ T10] netlink_rcv_skb+0x130/0x360 [ 462.092442][ T10] netlink_unicast+0x449/0x710 [ 462.092442][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.092442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.092442][ T10] ___sys_sendmsg+0xee/0x170 [ 462.092442][ T10] __sys_sendmsg+0xcd/0x170 [ 462.092442][ T10] do_syscall_64+0xc6/0x1e0 [ 462.092442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.092442][ T10] [ 462.094138][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 462.094138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.094138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.094138][ T10] ipv6_find_idev+0x102/0x170 [ 462.094138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.094138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.094138][ T10] netlink_rcv_skb+0x130/0x360 [ 462.094138][ T10] netlink_unicast+0x449/0x710 [ 462.094138][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.094138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.094138][ T10] ___sys_sendmsg+0xee/0x170 [ 462.094138][ T10] __sys_sendmsg+0xcd/0x170 [ 462.094138][ T10] do_syscall_64+0xc6/0x1e0 [ 462.094138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.094138][ T10] [ 462.095995][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 462.096286][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 462.096286][ T10] netdev_get_by_index+0x5e/0x80 [ 462.096286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.096286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.096286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.096286][ T10] ipv6_add_addr+0x411/0x2000 [ 462.096286][ T10] inet6_addr_add+0x30e/0xa40 [ 462.096286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.096286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.096286][ T10] netlink_rcv_skb+0x130/0x360 [ 462.096286][ T10] netlink_unicast+0x449/0x710 [ 462.096286][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.096286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.096286][ T10] ___sys_sendmsg+0xee/0x170 [ 462.096286][ T10] __sys_sendmsg+0xcd/0x170 [ 462.096286][ T10] do_syscall_64+0xc6/0x1e0 [ 462.096286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.096286][ T10] [ 462.098512][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 462.098512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.098512][ T10] ipv6_find_idev+0x102/0x170 [ 462.098512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.098512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.098512][ T10] netlink_rcv_skb+0x130/0x360 [ 462.098512][ T10] netlink_unicast+0x449/0x710 [ 462.098512][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.098512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.098512][ T10] ___sys_sendmsg+0xee/0x170 [ 462.098512][ T10] __sys_sendmsg+0xcd/0x170 [ 462.098512][ T10] do_syscall_64+0xc6/0x1e0 [ 462.098512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.098512][ T10] [ 462.100207][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 462.100207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.100207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.100207][ T10] ipv6_find_idev+0x102/0x170 [ 462.100207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.100207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.100207][ T10] netlink_rcv_skb+0x130/0x360 [ 462.100207][ T10] netlink_unicast+0x449/0x710 [ 462.100207][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.100207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.100207][ T10] ___sys_sendmsg+0xee/0x170 [ 462.100207][ T10] __sys_sendmsg+0xcd/0x170 [ 462.100207][ T10] do_syscall_64+0xc6/0x1e0 [ 462.100207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.100207][ T10] [ 462.102053][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 462.102409][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 462.102409][ T10] netdev_get_by_index+0x5e/0x80 [ 462.102409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.102409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.102409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.102409][ T10] ipv6_add_addr+0x411/0x2000 [ 462.102409][ T10] inet6_addr_add+0x30e/0xa40 [ 462.102409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.102409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.102409][ T10] netlink_rcv_skb+0x130/0x360 [ 462.102409][ T10] netlink_unicast+0x449/0x710 [ 462.102409][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.102409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.102409][ T10] ___sys_sendmsg+0xee/0x170 [ 462.102409][ T10] __sys_sendmsg+0xcd/0x170 [ 462.102409][ T10] do_syscall_64+0xc6/0x1e0 [ 462.102409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.102409][ T10] [ 462.104827][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 462.104827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.104827][ T10] ipv6_find_idev+0x102/0x170 [ 462.104827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.104827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.104827][ T10] netlink_rcv_skb+0x130/0x360 [ 462.104827][ T10] netlink_unicast+0x449/0x710 [ 462.104827][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.104827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.104827][ T10] ___sys_sendmsg+0xee/0x170 [ 462.104827][ T10] __sys_sendmsg+0xcd/0x170 [ 462.104827][ T10] do_syscall_64+0xc6/0x1e0 [ 462.104827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.104827][ T10] [ 462.106787][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 462.106787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.106787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.106787][ T10] ipv6_find_idev+0x102/0x170 [ 462.106787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.106787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.106787][ T10] netlink_rcv_skb+0x130/0x360 [ 462.106787][ T10] netlink_unicast+0x449/0x710 [ 462.106787][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.106787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.106787][ T10] ___sys_sendmsg+0xee/0x170 [ 462.106787][ T10] __sys_sendmsg+0xcd/0x170 [ 462.106787][ T10] do_syscall_64+0xc6/0x1e0 [ 462.106787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.106787][ T10] [ 462.108849][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 462.109138][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 462.109138][ T10] netdev_get_by_index+0x5e/0x80 [ 462.109138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.109138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.109138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.109138][ T10] ipv6_add_addr+0x411/0x2000 [ 462.109138][ T10] inet6_addr_add+0x30e/0xa40 [ 462.109138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.109138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.109138][ T10] netlink_rcv_skb+0x130/0x360 [ 462.109138][ T10] netlink_unicast+0x449/0x710 [ 462.109138][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.109138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.109138][ T10] ___sys_sendmsg+0xee/0x170 [ 462.109138][ T10] __sys_sendmsg+0xcd/0x170 [ 462.109138][ T10] do_syscall_64+0xc6/0x1e0 [ 462.109138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.109138][ T10] [ 462.111630][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 462.111630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.111630][ T10] ipv6_find_idev+0x102/0x170 [ 462.111630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.111630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.111630][ T10] netlink_rcv_skb+0x130/0x360 [ 462.111630][ T10] netlink_unicast+0x449/0x710 [ 462.111630][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.111630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.111630][ T10] ___sys_sendmsg+0xee/0x170 [ 462.111630][ T10] __sys_sendmsg+0xcd/0x170 [ 462.111630][ T10] do_syscall_64+0xc6/0x1e0 [ 462.111630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.111630][ T10] [ 462.113507][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 462.113507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.113507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.113507][ T10] ipv6_find_idev+0x102/0x170 [ 462.113507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.113507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.113507][ T10] netlink_rcv_skb+0x130/0x360 [ 462.113507][ T10] netlink_unicast+0x449/0x710 [ 462.113507][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.113507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.113507][ T10] ___sys_sendmsg+0xee/0x170 [ 462.113507][ T10] __sys_sendmsg+0xcd/0x170 [ 462.113507][ T10] do_syscall_64+0xc6/0x1e0 [ 462.113507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.113507][ T10] [ 462.115887][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 462.116172][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 462.116172][ T10] netdev_get_by_index+0x5e/0x80 [ 462.116172][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.116172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.116172][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.116172][ T10] ipv6_add_addr+0x411/0x2000 [ 462.116172][ T10] inet6_addr_add+0x30e/0xa40 [ 462.116172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.116172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.116172][ T10] netlink_rcv_skb+0x130/0x360 [ 462.116172][ T10] netlink_unicast+0x449/0x710 [ 462.116172][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.116172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.116172][ T10] ___sys_sendmsg+0xee/0x170 [ 462.116172][ T10] __sys_sendmsg+0xcd/0x170 [ 462.116172][ T10] do_syscall_64+0xc6/0x1e0 [ 462.116172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.116172][ T10] [ 462.118373][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 462.118373][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.118373][ T10] ipv6_find_idev+0x102/0x170 [ 462.118373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.118373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.118373][ T10] netlink_rcv_skb+0x130/0x360 [ 462.118373][ T10] netlink_unicast+0x449/0x710 [ 462.118373][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.118373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.118373][ T10] ___sys_sendmsg+0xee/0x170 [ 462.118373][ T10] __sys_sendmsg+0xcd/0x170 [ 462.118373][ T10] do_syscall_64+0xc6/0x1e0 [ 462.118373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.118373][ T10] [ 462.120200][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 462.120200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.120200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.120200][ T10] ipv6_find_idev+0x102/0x170 [ 462.120200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.120200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.120200][ T10] netlink_rcv_skb+0x130/0x360 [ 462.120200][ T10] netlink_unicast+0x449/0x710 [ 462.120200][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.120200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.120200][ T10] ___sys_sendmsg+0xee/0x170 [ 462.120200][ T10] __sys_sendmsg+0xcd/0x170 [ 462.120200][ T10] do_syscall_64+0xc6/0x1e0 [ 462.120200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.120200][ T10] [ 462.122345][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 462.122652][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 462.122652][ T10] netdev_get_by_index+0x5e/0x80 [ 462.122652][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.122652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.122652][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.122652][ T10] ipv6_add_addr+0x411/0x2000 [ 462.122652][ T10] inet6_addr_add+0x30e/0xa40 [ 462.122652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.122652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.122652][ T10] netlink_rcv_skb+0x130/0x360 [ 462.122652][ T10] netlink_unicast+0x449/0x710 [ 462.122652][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.122652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.122652][ T10] ___sys_sendmsg+0xee/0x170 [ 462.122652][ T10] __sys_sendmsg+0xcd/0x170 [ 462.122652][ T10] do_syscall_64+0xc6/0x1e0 [ 462.122652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.122652][ T10] [ 462.124929][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 462.124929][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.124929][ T10] ipv6_find_idev+0x102/0x170 [ 462.124929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.124929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.124929][ T10] netlink_rcv_skb+0x130/0x360 [ 462.124929][ T10] netlink_unicast+0x449/0x710 [ 462.124929][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.124929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.124929][ T10] ___sys_sendmsg+0xee/0x170 [ 462.124929][ T10] __sys_sendmsg+0xcd/0x170 [ 462.124929][ T10] do_syscall_64+0xc6/0x1e0 [ 462.124929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.124929][ T10] [ 462.126614][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 462.126614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.126614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.126614][ T10] ipv6_find_idev+0x102/0x170 [ 462.126614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.126614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.126614][ T10] netlink_rcv_skb+0x130/0x360 [ 462.126614][ T10] netlink_unicast+0x449/0x710 [ 462.126614][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.126614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.126614][ T10] ___sys_sendmsg+0xee/0x170 [ 462.126614][ T10] __sys_sendmsg+0xcd/0x170 [ 462.126614][ T10] do_syscall_64+0xc6/0x1e0 [ 462.126614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.126614][ T10] [ 462.128650][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 462.129017][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 462.129017][ T10] netdev_get_by_index+0x5e/0x80 [ 462.129017][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.129017][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.129017][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.129017][ T10] ipv6_add_addr+0x411/0x2000 [ 462.129017][ T10] inet6_addr_add+0x30e/0xa40 [ 462.129017][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.129017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.129017][ T10] netlink_rcv_skb+0x130/0x360 [ 462.129017][ T10] netlink_unicast+0x449/0x710 [ 462.129017][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.129017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.129017][ T10] ___sys_sendmsg+0xee/0x170 [ 462.129017][ T10] __sys_sendmsg+0xcd/0x170 [ 462.129017][ T10] do_syscall_64+0xc6/0x1e0 [ 462.129017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.129017][ T10] [ 462.131433][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 462.131433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.131433][ T10] ipv6_find_idev+0x102/0x170 [ 462.131433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.131433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.131433][ T10] netlink_rcv_skb+0x130/0x360 [ 462.131433][ T10] netlink_unicast+0x449/0x710 [ 462.131433][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.131433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.131433][ T10] ___sys_sendmsg+0xee/0x170 [ 462.131433][ T10] __sys_sendmsg+0xcd/0x170 [ 462.131433][ T10] do_syscall_64+0xc6/0x1e0 [ 462.131433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.131433][ T10] [ 462.133318][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 462.133318][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.133318][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.133318][ T10] ipv6_find_idev+0x102/0x170 [ 462.133318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.133318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.133318][ T10] netlink_rcv_skb+0x130/0x360 [ 462.133318][ T10] netlink_unicast+0x449/0x710 [ 462.133318][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.133318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.133318][ T10] ___sys_sendmsg+0xee/0x170 [ 462.133318][ T10] __sys_sendmsg+0xcd/0x170 [ 462.133318][ T10] do_syscall_64+0xc6/0x1e0 [ 462.133318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.133318][ T10] [ 472.243749][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 472.244124][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 472.244124][ T10] netdev_get_by_index+0x5e/0x80 [ 472.244124][ T10] fib6_nh_init+0x3d8/0x15b0 [ 472.244124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 472.244124][ T10] addrconf_f6i_alloc+0x244/0x410 [ 472.244124][ T10] ipv6_add_addr+0x411/0x2000 [ 472.244124][ T10] inet6_addr_add+0x30e/0xa40 [ 472.244124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 472.244124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.244124][ T10] netlink_rcv_skb+0x130/0x360 [ 472.244124][ T10] netlink_unicast+0x449/0x710 [ 472.244124][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.244124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.244124][ T10] ___sys_sendmsg+0xee/0x170 [ 472.244124][ T10] __sys_sendmsg+0xcd/0x170 [ 472.244124][ T10] do_syscall_64+0xc6/0x1e0 [ 472.244124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.244124][ T10] [ 472.246464][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 472.246464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 472.246464][ T10] ipv6_find_idev+0x102/0x170 [ 472.246464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.246464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.246464][ T10] netlink_rcv_skb+0x130/0x360 [ 472.246464][ T10] netlink_unicast+0x449/0x710 [ 472.246464][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.246464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.246464][ T10] ___sys_sendmsg+0xee/0x170 [ 472.246464][ T10] __sys_sendmsg+0xcd/0x170 [ 472.246464][ T10] do_syscall_64+0xc6/0x1e0 [ 472.246464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.246464][ T10] [ 472.248228][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 472.248228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 472.248228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 472.248228][ T10] ipv6_find_idev+0x102/0x170 [ 472.248228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.248228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.248228][ T10] netlink_rcv_skb+0x130/0x360 [ 472.248228][ T10] netlink_unicast+0x449/0x710 [ 472.248228][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.248228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.248228][ T10] ___sys_sendmsg+0xee/0x170 [ 472.248228][ T10] __sys_sendmsg+0xcd/0x170 [ 472.248228][ T10] do_syscall_64+0xc6/0x1e0 [ 472.248228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.248228][ T10] [ 472.250180][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 472.250488][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 472.250488][ T10] netdev_get_by_index+0x5e/0x80 [ 472.250488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 472.250488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 472.250488][ T10] addrconf_f6i_alloc+0x244/0x410 [ 472.250488][ T10] ipv6_add_addr+0x411/0x2000 [ 472.250488][ T10] inet6_addr_add+0x30e/0xa40 [ 472.250488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 472.250488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.250488][ T10] netlink_rcv_skb+0x130/0x360 [ 472.250488][ T10] netlink_unicast+0x449/0x710 [ 472.250488][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.250488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.250488][ T10] ___sys_sendmsg+0xee/0x170 [ 472.250488][ T10] __sys_sendmsg+0xcd/0x170 [ 472.250488][ T10] do_syscall_64+0xc6/0x1e0 [ 472.250488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.250488][ T10] [ 472.252774][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 472.252774][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 472.252774][ T10] ipv6_find_idev+0x102/0x170 [ 472.252774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.252774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.252774][ T10] netlink_rcv_skb+0x130/0x360 [ 472.252774][ T10] netlink_unicast+0x449/0x710 [ 472.252774][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.252774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.252774][ T10] ___sys_sendmsg+0xee/0x170 [ 472.252774][ T10] __sys_sendmsg+0xcd/0x170 [ 472.252774][ T10] do_syscall_64+0xc6/0x1e0 [ 472.252774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.252774][ T10] [ 472.254516][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 472.254516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 472.254516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 472.254516][ T10] ipv6_find_idev+0x102/0x170 [ 472.254516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.254516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.254516][ T10] netlink_rcv_skb+0x130/0x360 [ 472.254516][ T10] netlink_unicast+0x449/0x710 [ 472.254516][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.254516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.254516][ T10] ___sys_sendmsg+0xee/0x170 [ 472.254516][ T10] __sys_sendmsg+0xcd/0x170 [ 472.254516][ T10] do_syscall_64+0xc6/0x1e0 [ 472.254516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.254516][ T10] [ 472.256765][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 472.257067][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 472.257067][ T10] netdev_get_by_index+0x5e/0x80 [ 472.257067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 472.257067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 472.257067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 472.257067][ T10] ipv6_add_addr+0x411/0x2000 [ 472.257067][ T10] inet6_addr_add+0x30e/0xa40 [ 472.257067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 472.257067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.257067][ T10] netlink_rcv_skb+0x130/0x360 [ 472.257067][ T10] netlink_unicast+0x449/0x710 [ 472.257067][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.257067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.257067][ T10] ___sys_sendmsg+0xee/0x170 [ 472.257067][ T10] __sys_sendmsg+0xcd/0x170 [ 472.257067][ T10] do_syscall_64+0xc6/0x1e0 [ 472.257067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.257067][ T10] [ 472.259583][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 472.259583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 472.259583][ T10] ipv6_find_idev+0x102/0x170 [ 472.259583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.259583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.259583][ T10] netlink_rcv_skb+0x130/0x360 [ 472.259583][ T10] netlink_unicast+0x449/0x710 [ 472.259583][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.259583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.259583][ T10] ___sys_sendmsg+0xee/0x170 [ 472.259583][ T10] __sys_sendmsg+0xcd/0x170 [ 472.259583][ T10] do_syscall_64+0xc6/0x1e0 [ 472.259583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.259583][ T10] [ 472.261563][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 472.261563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 472.261563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 472.261563][ T10] ipv6_find_idev+0x102/0x170 [ 472.261563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.261563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.261563][ T10] netlink_rcv_skb+0x130/0x360 [ 472.261563][ T10] netlink_unicast+0x449/0x710 [ 472.261563][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.261563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.261563][ T10] ___sys_sendmsg+0xee/0x170 [ 472.261563][ T10] __sys_sendmsg+0xcd/0x170 [ 472.261563][ T10] do_syscall_64+0xc6/0x1e0 [ 472.261563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.261563][ T10] [ 472.263634][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 472.263942][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 472.263942][ T10] netdev_get_by_index+0x5e/0x80 [ 472.263942][ T10] fib6_nh_init+0x3d8/0x15b0 [ 472.263942][ T10] ip6_route_info_create+0xf18/0x17d0 [ 472.263942][ T10] addrconf_f6i_alloc+0x244/0x410 [ 472.263942][ T10] ipv6_add_addr+0x411/0x2000 [ 472.263942][ T10] inet6_addr_add+0x30e/0xa40 [ 472.263942][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 472.263942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.263942][ T10] netlink_rcv_skb+0x130/0x360 [ 472.263942][ T10] netlink_unicast+0x449/0x710 [ 472.263942][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.263942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.263942][ T10] ___sys_sendmsg+0xee/0x170 [ 472.263942][ T10] __sys_sendmsg+0xcd/0x170 [ 472.263942][ T10] do_syscall_64+0xc6/0x1e0 [ 472.263942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.263942][ T10] [ 472.266374][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 472.266374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 472.266374][ T10] ipv6_find_idev+0x102/0x170 [ 472.266374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.266374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.266374][ T10] netlink_rcv_skb+0x130/0x360 [ 472.266374][ T10] netlink_unicast+0x449/0x710 [ 472.266374][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.266374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.266374][ T10] ___sys_sendmsg+0xee/0x170 [ 472.266374][ T10] __sys_sendmsg+0xcd/0x170 [ 472.266374][ T10] do_syscall_64+0xc6/0x1e0 [ 472.266374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.266374][ T10] [ 472.268128][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 472.268128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 472.268128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 472.268128][ T10] ipv6_find_idev+0x102/0x170 [ 472.268128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.268128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.268128][ T10] netlink_rcv_skb+0x130/0x360 [ 472.268128][ T10] netlink_unicast+0x449/0x710 [ 472.268128][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.268128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.268128][ T10] ___sys_sendmsg+0xee/0x170 [ 472.268128][ T10] __sys_sendmsg+0xcd/0x170 [ 472.268128][ T10] do_syscall_64+0xc6/0x1e0 [ 472.268128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.268128][ T10] [ 472.270203][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 472.270566][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 472.270566][ T10] netdev_get_by_index+0x5e/0x80 [ 472.270566][ T10] fib6_nh_init+0x3d8/0x15b0 [ 472.270566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 472.270566][ T10] addrconf_f6i_alloc+0x244/0x410 [ 472.270566][ T10] ipv6_add_addr+0x411/0x2000 [ 472.270566][ T10] inet6_addr_add+0x30e/0xa40 [ 472.270566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 472.270566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.270566][ T10] netlink_rcv_skb+0x130/0x360 [ 472.270566][ T10] netlink_unicast+0x449/0x710 [ 472.270566][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.270566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.270566][ T10] ___sys_sendmsg+0xee/0x170 [ 472.270566][ T10] __sys_sendmsg+0xcd/0x170 [ 472.270566][ T10] do_syscall_64+0xc6/0x1e0 [ 472.270566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.270566][ T10] [ 472.272834][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 472.272834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 472.272834][ T10] ipv6_find_idev+0x102/0x170 [ 472.272834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.272834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.272834][ T10] netlink_rcv_skb+0x130/0x360 [ 472.272834][ T10] netlink_unicast+0x449/0x710 [ 472.272834][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.272834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.272834][ T10] ___sys_sendmsg+0xee/0x170 [ 472.272834][ T10] __sys_sendmsg+0xcd/0x170 [ 472.272834][ T10] do_syscall_64+0xc6/0x1e0 [ 472.272834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.272834][ T10] [ 472.274645][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 472.274645][ T10] neigh_parms_alloc+0x1e5/0x510 [ 472.274645][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 472.274645][ T10] ipv6_find_idev+0x102/0x170 [ 472.274645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.274645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.274645][ T10] netlink_rcv_skb+0x130/0x360 [ 472.274645][ T10] netlink_unicast+0x449/0x710 [ 472.274645][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.274645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.274645][ T10] ___sys_sendmsg+0xee/0x170 [ 472.274645][ T10] __sys_sendmsg+0xcd/0x170 [ 472.274645][ T10] do_syscall_64+0xc6/0x1e0 [ 472.274645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.274645][ T10] [ 472.276705][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 472.277051][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 472.277051][ T10] netdev_get_by_index+0x5e/0x80 [ 472.277051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 472.277051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 472.277051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 472.277051][ T10] ipv6_add_addr+0x411/0x2000 [ 472.277051][ T10] inet6_addr_add+0x30e/0xa40 [ 472.277051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 472.277051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.277051][ T10] netlink_rcv_skb+0x130/0x360 [ 472.277051][ T10] netlink_unicast+0x449/0x710 [ 472.277051][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.277051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.277051][ T10] ___sys_sendmsg+0xee/0x170 [ 472.277051][ T10] __sys_sendmsg+0xcd/0x170 [ 472.277051][ T10] do_syscall_64+0xc6/0x1e0 [ 472.277051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.277051][ T10] [ 472.279431][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 472.279431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 472.279431][ T10] ipv6_find_idev+0x102/0x170 [ 472.279431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.279431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.279431][ T10] netlink_rcv_skb+0x130/0x360 [ 472.279431][ T10] netlink_unicast+0x449/0x710 [ 472.279431][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.279431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.279431][ T10] ___sys_sendmsg+0xee/0x170 [ 472.279431][ T10] __sys_sendmsg+0xcd/0x170 [ 472.279431][ T10] do_syscall_64+0xc6/0x1e0 [ 472.279431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.279431][ T10] [ 472.281391][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 472.281391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 472.281391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 472.281391][ T10] ipv6_find_idev+0x102/0x170 [ 472.281391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.281391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.281391][ T10] netlink_rcv_skb+0x130/0x360 [ 472.281391][ T10] netlink_unicast+0x449/0x710 [ 472.281391][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.281391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.281391][ T10] ___sys_sendmsg+0xee/0x170 [ 472.281391][ T10] __sys_sendmsg+0xcd/0x170 [ 472.281391][ T10] do_syscall_64+0xc6/0x1e0 [ 472.281391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.281391][ T10] [ 472.283659][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 472.284061][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 472.284061][ T10] netdev_get_by_index+0x5e/0x80 [ 472.284061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 472.284061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 472.284061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 472.284061][ T10] ipv6_add_addr+0x411/0x2000 [ 472.284061][ T10] inet6_addr_add+0x30e/0xa40 [ 472.284061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 472.284061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.284061][ T10] netlink_rcv_skb+0x130/0x360 [ 472.284061][ T10] netlink_unicast+0x449/0x710 [ 472.284061][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.284061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.284061][ T10] ___sys_sendmsg+0xee/0x170 [ 472.284061][ T10] __sys_sendmsg+0xcd/0x170 [ 472.284061][ T10] do_syscall_64+0xc6/0x1e0 [ 472.284061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.284061][ T10] [ 472.286543][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 472.286543][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 472.286543][ T10] ipv6_find_idev+0x102/0x170 [ 472.286543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.286543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.286543][ T10] netlink_rcv_skb+0x130/0x360 [ 472.286543][ T10] netlink_unicast+0x449/0x710 [ 472.286543][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.286543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.286543][ T10] ___sys_sendmsg+0xee/0x170 [ 472.286543][ T10] __sys_sendmsg+0xcd/0x170 [ 472.286543][ T10] do_syscall_64+0xc6/0x1e0 [ 472.286543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.286543][ T10] [ 472.288507][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 472.288507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 472.288507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 472.288507][ T10] ipv6_find_idev+0x102/0x170 [ 472.288507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.288507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.288507][ T10] netlink_rcv_skb+0x130/0x360 [ 472.288507][ T10] netlink_unicast+0x449/0x710 [ 472.288507][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.288507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.288507][ T10] ___sys_sendmsg+0xee/0x170 [ 472.288507][ T10] __sys_sendmsg+0xcd/0x170 [ 472.288507][ T10] do_syscall_64+0xc6/0x1e0 [ 472.288507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.288507][ T10] [ 472.290737][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 472.291084][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 472.291084][ T10] netdev_get_by_index+0x5e/0x80 [ 472.291084][ T10] fib6_nh_init+0x3d8/0x15b0 [ 472.291084][ T10] ip6_route_info_create+0xf18/0x17d0 [ 472.291084][ T10] addrconf_f6i_alloc+0x244/0x410 [ 472.291084][ T10] ipv6_add_addr+0x411/0x2000 [ 472.291084][ T10] inet6_addr_add+0x30e/0xa40 [ 472.291084][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 472.291084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.291084][ T10] netlink_rcv_skb+0x130/0x360 [ 472.291084][ T10] netlink_unicast+0x449/0x710 [ 472.291084][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.291084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.291084][ T10] ___sys_sendmsg+0xee/0x170 [ 472.291084][ T10] __sys_sendmsg+0xcd/0x170 [ 472.291084][ T10] do_syscall_64+0xc6/0x1e0 [ 472.291084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.291084][ T10] [ 472.293420][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 472.293420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 472.293420][ T10] ipv6_find_idev+0x102/0x170 [ 472.293420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.293420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.293420][ T10] netlink_rcv_skb+0x130/0x360 [ 472.293420][ T10] netlink_unicast+0x449/0x710 [ 472.293420][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.293420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.293420][ T10] ___sys_sendmsg+0xee/0x170 [ 472.293420][ T10] __sys_sendmsg+0xcd/0x170 [ 472.293420][ T10] do_syscall_64+0xc6/0x1e0 [ 472.293420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.293420][ T10] [ 472.295264][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 472.295264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 472.295264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 472.295264][ T10] ipv6_find_idev+0x102/0x170 [ 472.295264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 472.295264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 472.295264][ T10] netlink_rcv_skb+0x130/0x360 [ 472.295264][ T10] netlink_unicast+0x449/0x710 [ 472.295264][ T10] netlink_sendmsg+0x723/0xbe0 [ 472.295264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 472.295264][ T10] ___sys_sendmsg+0xee/0x170 [ 472.295264][ T10] __sys_sendmsg+0xcd/0x170 [ 472.295264][ T10] do_syscall_64+0xc6/0x1e0 [ 472.295264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 472.295264][ T10] [ 482.419749][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 482.420101][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 482.420101][ T10] netdev_get_by_index+0x5e/0x80 [ 482.420101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 482.420101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 482.420101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 482.420101][ T10] ipv6_add_addr+0x411/0x2000 [ 482.420101][ T10] inet6_addr_add+0x30e/0xa40 [ 482.420101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 482.420101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.420101][ T10] netlink_rcv_skb+0x130/0x360 [ 482.420101][ T10] netlink_unicast+0x449/0x710 [ 482.420101][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.420101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.420101][ T10] ___sys_sendmsg+0xee/0x170 [ 482.420101][ T10] __sys_sendmsg+0xcd/0x170 [ 482.420101][ T10] do_syscall_64+0xc6/0x1e0 [ 482.420101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.420101][ T10] [ 482.422350][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 482.422350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 482.422350][ T10] ipv6_find_idev+0x102/0x170 [ 482.422350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.422350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.422350][ T10] netlink_rcv_skb+0x130/0x360 [ 482.422350][ T10] netlink_unicast+0x449/0x710 [ 482.422350][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.422350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.422350][ T10] ___sys_sendmsg+0xee/0x170 [ 482.422350][ T10] __sys_sendmsg+0xcd/0x170 [ 482.422350][ T10] do_syscall_64+0xc6/0x1e0 [ 482.422350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.422350][ T10] [ 482.424062][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 482.424062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 482.424062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 482.424062][ T10] ipv6_find_idev+0x102/0x170 [ 482.424062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.424062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.424062][ T10] netlink_rcv_skb+0x130/0x360 [ 482.424062][ T10] netlink_unicast+0x449/0x710 [ 482.424062][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.424062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.424062][ T10] ___sys_sendmsg+0xee/0x170 [ 482.424062][ T10] __sys_sendmsg+0xcd/0x170 [ 482.424062][ T10] do_syscall_64+0xc6/0x1e0 [ 482.424062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.424062][ T10] [ 482.425960][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 482.426259][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 482.426259][ T10] netdev_get_by_index+0x5e/0x80 [ 482.426259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 482.426259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 482.426259][ T10] addrconf_f6i_alloc+0x244/0x410 [ 482.426259][ T10] ipv6_add_addr+0x411/0x2000 [ 482.426259][ T10] inet6_addr_add+0x30e/0xa40 [ 482.426259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 482.426259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.426259][ T10] netlink_rcv_skb+0x130/0x360 [ 482.426259][ T10] netlink_unicast+0x449/0x710 [ 482.426259][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.426259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.426259][ T10] ___sys_sendmsg+0xee/0x170 [ 482.426259][ T10] __sys_sendmsg+0xcd/0x170 [ 482.426259][ T10] do_syscall_64+0xc6/0x1e0 [ 482.426259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.426259][ T10] [ 482.428500][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 482.428500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 482.428500][ T10] ipv6_find_idev+0x102/0x170 [ 482.428500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.428500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.428500][ T10] netlink_rcv_skb+0x130/0x360 [ 482.428500][ T10] netlink_unicast+0x449/0x710 [ 482.428500][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.428500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.428500][ T10] ___sys_sendmsg+0xee/0x170 [ 482.428500][ T10] __sys_sendmsg+0xcd/0x170 [ 482.428500][ T10] do_syscall_64+0xc6/0x1e0 [ 482.428500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.428500][ T10] [ 482.430231][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 482.430231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 482.430231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 482.430231][ T10] ipv6_find_idev+0x102/0x170 [ 482.430231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.430231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.430231][ T10] netlink_rcv_skb+0x130/0x360 [ 482.430231][ T10] netlink_unicast+0x449/0x710 [ 482.430231][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.430231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.430231][ T10] ___sys_sendmsg+0xee/0x170 [ 482.430231][ T10] __sys_sendmsg+0xcd/0x170 [ 482.430231][ T10] do_syscall_64+0xc6/0x1e0 [ 482.430231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.430231][ T10] [ 482.432109][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 482.432408][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 482.432408][ T10] netdev_get_by_index+0x5e/0x80 [ 482.432408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 482.432408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 482.432408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 482.432408][ T10] ipv6_add_addr+0x411/0x2000 [ 482.432408][ T10] inet6_addr_add+0x30e/0xa40 [ 482.432408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 482.432408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.432408][ T10] netlink_rcv_skb+0x130/0x360 [ 482.432408][ T10] netlink_unicast+0x449/0x710 [ 482.432408][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.432408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.432408][ T10] ___sys_sendmsg+0xee/0x170 [ 482.432408][ T10] __sys_sendmsg+0xcd/0x170 [ 482.432408][ T10] do_syscall_64+0xc6/0x1e0 [ 482.432408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.432408][ T10] [ 482.434674][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 482.434674][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 482.434674][ T10] ipv6_find_idev+0x102/0x170 [ 482.434674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.434674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.434674][ T10] netlink_rcv_skb+0x130/0x360 [ 482.434674][ T10] netlink_unicast+0x449/0x710 [ 482.434674][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.434674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.434674][ T10] ___sys_sendmsg+0xee/0x170 [ 482.434674][ T10] __sys_sendmsg+0xcd/0x170 [ 482.434674][ T10] do_syscall_64+0xc6/0x1e0 [ 482.434674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.434674][ T10] [ 482.436564][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 482.436564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 482.436564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 482.436564][ T10] ipv6_find_idev+0x102/0x170 [ 482.436564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.436564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.436564][ T10] netlink_rcv_skb+0x130/0x360 [ 482.436564][ T10] netlink_unicast+0x449/0x710 [ 482.436564][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.436564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.436564][ T10] ___sys_sendmsg+0xee/0x170 [ 482.436564][ T10] __sys_sendmsg+0xcd/0x170 [ 482.436564][ T10] do_syscall_64+0xc6/0x1e0 [ 482.436564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.436564][ T10] [ 482.438630][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 482.438932][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 482.438932][ T10] netdev_get_by_index+0x5e/0x80 [ 482.438932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 482.438932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 482.438932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 482.438932][ T10] ipv6_add_addr+0x411/0x2000 [ 482.438932][ T10] inet6_addr_add+0x30e/0xa40 [ 482.438932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 482.438932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.438932][ T10] netlink_rcv_skb+0x130/0x360 [ 482.438932][ T10] netlink_unicast+0x449/0x710 [ 482.438932][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.438932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.438932][ T10] ___sys_sendmsg+0xee/0x170 [ 482.438932][ T10] __sys_sendmsg+0xcd/0x170 [ 482.438932][ T10] do_syscall_64+0xc6/0x1e0 [ 482.438932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.438932][ T10] [ 482.441491][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 482.441491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 482.441491][ T10] ipv6_find_idev+0x102/0x170 [ 482.441491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.441491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.441491][ T10] netlink_rcv_skb+0x130/0x360 [ 482.441491][ T10] netlink_unicast+0x449/0x710 [ 482.441491][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.441491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.441491][ T10] ___sys_sendmsg+0xee/0x170 [ 482.441491][ T10] __sys_sendmsg+0xcd/0x170 [ 482.441491][ T10] do_syscall_64+0xc6/0x1e0 [ 482.441491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.441491][ T10] [ 482.443339][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 482.443339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 482.443339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 482.443339][ T10] ipv6_find_idev+0x102/0x170 [ 482.443339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.443339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.443339][ T10] netlink_rcv_skb+0x130/0x360 [ 482.443339][ T10] netlink_unicast+0x449/0x710 [ 482.443339][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.443339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.443339][ T10] ___sys_sendmsg+0xee/0x170 [ 482.443339][ T10] __sys_sendmsg+0xcd/0x170 [ 482.443339][ T10] do_syscall_64+0xc6/0x1e0 [ 482.443339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.443339][ T10] [ 482.445409][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 482.446224][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 482.446224][ T10] netdev_get_by_index+0x5e/0x80 [ 482.446224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 482.446224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 482.446224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 482.446224][ T10] ipv6_add_addr+0x411/0x2000 [ 482.446224][ T10] inet6_addr_add+0x30e/0xa40 [ 482.446224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 482.446224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.446224][ T10] netlink_rcv_skb+0x130/0x360 [ 482.446224][ T10] netlink_unicast+0x449/0x710 [ 482.446224][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.446224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.446224][ T10] ___sys_sendmsg+0xee/0x170 [ 482.446224][ T10] __sys_sendmsg+0xcd/0x170 [ 482.446224][ T10] do_syscall_64+0xc6/0x1e0 [ 482.446224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.446224][ T10] [ 482.448429][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 482.448429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 482.448429][ T10] ipv6_find_idev+0x102/0x170 [ 482.448429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.448429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.448429][ T10] netlink_rcv_skb+0x130/0x360 [ 482.448429][ T10] netlink_unicast+0x449/0x710 [ 482.448429][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.448429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.448429][ T10] ___sys_sendmsg+0xee/0x170 [ 482.448429][ T10] __sys_sendmsg+0xcd/0x170 [ 482.448429][ T10] do_syscall_64+0xc6/0x1e0 [ 482.448429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.448429][ T10] [ 482.450138][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 482.450138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 482.450138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 482.450138][ T10] ipv6_find_idev+0x102/0x170 [ 482.450138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.450138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.450138][ T10] netlink_rcv_skb+0x130/0x360 [ 482.450138][ T10] netlink_unicast+0x449/0x710 [ 482.450138][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.450138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.450138][ T10] ___sys_sendmsg+0xee/0x170 [ 482.450138][ T10] __sys_sendmsg+0xcd/0x170 [ 482.450138][ T10] do_syscall_64+0xc6/0x1e0 [ 482.450138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.450138][ T10] [ 482.452039][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 482.452378][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 482.452378][ T10] netdev_get_by_index+0x5e/0x80 [ 482.452378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 482.452378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 482.452378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 482.452378][ T10] ipv6_add_addr+0x411/0x2000 [ 482.452378][ T10] inet6_addr_add+0x30e/0xa40 [ 482.452378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 482.452378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.452378][ T10] netlink_rcv_skb+0x130/0x360 [ 482.452378][ T10] netlink_unicast+0x449/0x710 [ 482.452378][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.452378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.452378][ T10] ___sys_sendmsg+0xee/0x170 [ 482.452378][ T10] __sys_sendmsg+0xcd/0x170 [ 482.452378][ T10] do_syscall_64+0xc6/0x1e0 [ 482.452378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.452378][ T10] [ 482.454561][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 482.454561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 482.454561][ T10] ipv6_find_idev+0x102/0x170 [ 482.454561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.454561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.454561][ T10] netlink_rcv_skb+0x130/0x360 [ 482.454561][ T10] netlink_unicast+0x449/0x710 [ 482.454561][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.454561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.454561][ T10] ___sys_sendmsg+0xee/0x170 [ 482.454561][ T10] __sys_sendmsg+0xcd/0x170 [ 482.454561][ T10] do_syscall_64+0xc6/0x1e0 [ 482.454561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.454561][ T10] [ 482.456384][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 482.456384][ T10] neigh_parms_alloc+0x1e5/0x510 [ 482.456384][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 482.456384][ T10] ipv6_find_idev+0x102/0x170 [ 482.456384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.456384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.456384][ T10] netlink_rcv_skb+0x130/0x360 [ 482.456384][ T10] netlink_unicast+0x449/0x710 [ 482.456384][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.456384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.456384][ T10] ___sys_sendmsg+0xee/0x170 [ 482.456384][ T10] __sys_sendmsg+0xcd/0x170 [ 482.456384][ T10] do_syscall_64+0xc6/0x1e0 [ 482.456384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.456384][ T10] [ 482.458394][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 482.458685][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 482.458685][ T10] netdev_get_by_index+0x5e/0x80 [ 482.458685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 482.458685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 482.458685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 482.458685][ T10] ipv6_add_addr+0x411/0x2000 [ 482.458685][ T10] inet6_addr_add+0x30e/0xa40 [ 482.458685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 482.458685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.458685][ T10] netlink_rcv_skb+0x130/0x360 [ 482.458685][ T10] netlink_unicast+0x449/0x710 [ 482.458685][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.458685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.458685][ T10] ___sys_sendmsg+0xee/0x170 [ 482.458685][ T10] __sys_sendmsg+0xcd/0x170 [ 482.458685][ T10] do_syscall_64+0xc6/0x1e0 [ 482.458685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.458685][ T10] [ 482.461111][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 482.461111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 482.461111][ T10] ipv6_find_idev+0x102/0x170 [ 482.461111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.461111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.461111][ T10] netlink_rcv_skb+0x130/0x360 [ 482.461111][ T10] netlink_unicast+0x449/0x710 [ 482.461111][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.461111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.461111][ T10] ___sys_sendmsg+0xee/0x170 [ 482.461111][ T10] __sys_sendmsg+0xcd/0x170 [ 482.461111][ T10] do_syscall_64+0xc6/0x1e0 [ 482.461111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.461111][ T10] [ 482.462962][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 482.462962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 482.462962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 482.462962][ T10] ipv6_find_idev+0x102/0x170 [ 482.462962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.462962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.462962][ T10] netlink_rcv_skb+0x130/0x360 [ 482.462962][ T10] netlink_unicast+0x449/0x710 [ 482.462962][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.462962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.462962][ T10] ___sys_sendmsg+0xee/0x170 [ 482.462962][ T10] __sys_sendmsg+0xcd/0x170 [ 482.462962][ T10] do_syscall_64+0xc6/0x1e0 [ 482.462962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.462962][ T10] [ 482.465124][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 482.465474][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 482.465474][ T10] netdev_get_by_index+0x5e/0x80 [ 482.465474][ T10] fib6_nh_init+0x3d8/0x15b0 [ 482.465474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 482.465474][ T10] addrconf_f6i_alloc+0x244/0x410 [ 482.465474][ T10] ipv6_add_addr+0x411/0x2000 [ 482.465474][ T10] inet6_addr_add+0x30e/0xa40 [ 482.465474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 482.465474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.465474][ T10] netlink_rcv_skb+0x130/0x360 [ 482.465474][ T10] netlink_unicast+0x449/0x710 [ 482.465474][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.465474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.465474][ T10] ___sys_sendmsg+0xee/0x170 [ 482.465474][ T10] __sys_sendmsg+0xcd/0x170 [ 482.465474][ T10] do_syscall_64+0xc6/0x1e0 [ 482.465474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.465474][ T10] [ 482.467936][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 482.467936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 482.467936][ T10] ipv6_find_idev+0x102/0x170 [ 482.467936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.467936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.467936][ T10] netlink_rcv_skb+0x130/0x360 [ 482.467936][ T10] netlink_unicast+0x449/0x710 [ 482.467936][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.467936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.467936][ T10] ___sys_sendmsg+0xee/0x170 [ 482.467936][ T10] __sys_sendmsg+0xcd/0x170 [ 482.467936][ T10] do_syscall_64+0xc6/0x1e0 [ 482.467936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.467936][ T10] [ 482.469849][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 482.469849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 482.469849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 482.469849][ T10] ipv6_find_idev+0x102/0x170 [ 482.469849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 482.469849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 482.469849][ T10] netlink_rcv_skb+0x130/0x360 [ 482.469849][ T10] netlink_unicast+0x449/0x710 [ 482.469849][ T10] netlink_sendmsg+0x723/0xbe0 [ 482.469849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 482.469849][ T10] ___sys_sendmsg+0xee/0x170 [ 482.469849][ T10] __sys_sendmsg+0xcd/0x170 [ 482.469849][ T10] do_syscall_64+0xc6/0x1e0 [ 482.469849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 482.469849][ T10] [ 492.595747][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 492.596134][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 492.596134][ T10] netdev_get_by_index+0x5e/0x80 [ 492.596134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.596134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.596134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.596134][ T10] ipv6_add_addr+0x411/0x2000 [ 492.596134][ T10] inet6_addr_add+0x30e/0xa40 [ 492.596134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.596134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.596134][ T10] netlink_rcv_skb+0x130/0x360 [ 492.596134][ T10] netlink_unicast+0x449/0x710 [ 492.596134][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.596134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.596134][ T10] ___sys_sendmsg+0xee/0x170 [ 492.596134][ T10] __sys_sendmsg+0xcd/0x170 [ 492.596134][ T10] do_syscall_64+0xc6/0x1e0 [ 492.596134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.596134][ T10] [ 492.598442][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 492.598442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.598442][ T10] ipv6_find_idev+0x102/0x170 [ 492.598442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.598442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.598442][ T10] netlink_rcv_skb+0x130/0x360 [ 492.598442][ T10] netlink_unicast+0x449/0x710 [ 492.598442][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.598442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.598442][ T10] ___sys_sendmsg+0xee/0x170 [ 492.598442][ T10] __sys_sendmsg+0xcd/0x170 [ 492.598442][ T10] do_syscall_64+0xc6/0x1e0 [ 492.598442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.598442][ T10] [ 492.600200][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 492.600200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.600200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.600200][ T10] ipv6_find_idev+0x102/0x170 [ 492.600200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.600200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.600200][ T10] netlink_rcv_skb+0x130/0x360 [ 492.600200][ T10] netlink_unicast+0x449/0x710 [ 492.600200][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.600200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.600200][ T10] ___sys_sendmsg+0xee/0x170 [ 492.600200][ T10] __sys_sendmsg+0xcd/0x170 [ 492.600200][ T10] do_syscall_64+0xc6/0x1e0 [ 492.600200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.600200][ T10] [ 492.602137][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 492.602438][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 492.602438][ T10] netdev_get_by_index+0x5e/0x80 [ 492.602438][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.602438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.602438][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.602438][ T10] ipv6_add_addr+0x411/0x2000 [ 492.602438][ T10] inet6_addr_add+0x30e/0xa40 [ 492.602438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.602438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.602438][ T10] netlink_rcv_skb+0x130/0x360 [ 492.602438][ T10] netlink_unicast+0x449/0x710 [ 492.602438][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.602438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.602438][ T10] ___sys_sendmsg+0xee/0x170 [ 492.602438][ T10] __sys_sendmsg+0xcd/0x170 [ 492.602438][ T10] do_syscall_64+0xc6/0x1e0 [ 492.602438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.602438][ T10] [ 492.604719][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 492.604719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.604719][ T10] ipv6_find_idev+0x102/0x170 [ 492.604719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.604719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.604719][ T10] netlink_rcv_skb+0x130/0x360 [ 492.604719][ T10] netlink_unicast+0x449/0x710 [ 492.604719][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.604719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.604719][ T10] ___sys_sendmsg+0xee/0x170 [ 492.604719][ T10] __sys_sendmsg+0xcd/0x170 [ 492.604719][ T10] do_syscall_64+0xc6/0x1e0 [ 492.604719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.604719][ T10] [ 492.606489][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 492.606489][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.606489][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.606489][ T10] ipv6_find_idev+0x102/0x170 [ 492.606489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.606489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.606489][ T10] netlink_rcv_skb+0x130/0x360 [ 492.606489][ T10] netlink_unicast+0x449/0x710 [ 492.606489][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.606489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.606489][ T10] ___sys_sendmsg+0xee/0x170 [ 492.606489][ T10] __sys_sendmsg+0xcd/0x170 [ 492.606489][ T10] do_syscall_64+0xc6/0x1e0 [ 492.606489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.606489][ T10] [ 492.608405][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 492.608717][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 492.608717][ T10] netdev_get_by_index+0x5e/0x80 [ 492.608717][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.608717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.608717][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.608717][ T10] ipv6_add_addr+0x411/0x2000 [ 492.608717][ T10] inet6_addr_add+0x30e/0xa40 [ 492.608717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.608717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.608717][ T10] netlink_rcv_skb+0x130/0x360 [ 492.608717][ T10] netlink_unicast+0x449/0x710 [ 492.608717][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.608717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.608717][ T10] ___sys_sendmsg+0xee/0x170 [ 492.608717][ T10] __sys_sendmsg+0xcd/0x170 [ 492.608717][ T10] do_syscall_64+0xc6/0x1e0 [ 492.608717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.608717][ T10] [ 492.611012][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 492.611012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.611012][ T10] ipv6_find_idev+0x102/0x170 [ 492.611012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.611012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.611012][ T10] netlink_rcv_skb+0x130/0x360 [ 492.611012][ T10] netlink_unicast+0x449/0x710 [ 492.611012][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.611012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.611012][ T10] ___sys_sendmsg+0xee/0x170 [ 492.611012][ T10] __sys_sendmsg+0xcd/0x170 [ 492.611012][ T10] do_syscall_64+0xc6/0x1e0 [ 492.611012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.611012][ T10] [ 492.612780][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 492.612780][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.612780][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.612780][ T10] ipv6_find_idev+0x102/0x170 [ 492.612780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.612780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.612780][ T10] netlink_rcv_skb+0x130/0x360 [ 492.612780][ T10] netlink_unicast+0x449/0x710 [ 492.612780][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.612780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.612780][ T10] ___sys_sendmsg+0xee/0x170 [ 492.612780][ T10] __sys_sendmsg+0xcd/0x170 [ 492.612780][ T10] do_syscall_64+0xc6/0x1e0 [ 492.612780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.612780][ T10] [ 492.614738][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 492.615090][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 492.615090][ T10] netdev_get_by_index+0x5e/0x80 [ 492.615090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.615090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.615090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.615090][ T10] ipv6_add_addr+0x411/0x2000 [ 492.615090][ T10] inet6_addr_add+0x30e/0xa40 [ 492.615090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.615090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.615090][ T10] netlink_rcv_skb+0x130/0x360 [ 492.615090][ T10] netlink_unicast+0x449/0x710 [ 492.615090][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.615090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.615090][ T10] ___sys_sendmsg+0xee/0x170 [ 492.615090][ T10] __sys_sendmsg+0xcd/0x170 [ 492.615090][ T10] do_syscall_64+0xc6/0x1e0 [ 492.615090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.615090][ T10] [ 492.617672][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 492.617672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.617672][ T10] ipv6_find_idev+0x102/0x170 [ 492.617672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.617672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.617672][ T10] netlink_rcv_skb+0x130/0x360 [ 492.617672][ T10] netlink_unicast+0x449/0x710 [ 492.617672][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.617672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.617672][ T10] ___sys_sendmsg+0xee/0x170 [ 492.617672][ T10] __sys_sendmsg+0xcd/0x170 [ 492.617672][ T10] do_syscall_64+0xc6/0x1e0 [ 492.617672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.617672][ T10] [ 492.619491][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 492.619491][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.619491][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.619491][ T10] ipv6_find_idev+0x102/0x170 [ 492.619491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.619491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.619491][ T10] netlink_rcv_skb+0x130/0x360 [ 492.619491][ T10] netlink_unicast+0x449/0x710 [ 492.619491][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.619491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.619491][ T10] ___sys_sendmsg+0xee/0x170 [ 492.619491][ T10] __sys_sendmsg+0xcd/0x170 [ 492.619491][ T10] do_syscall_64+0xc6/0x1e0 [ 492.619491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.619491][ T10] [ 492.621868][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 492.622211][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 492.622211][ T10] netdev_get_by_index+0x5e/0x80 [ 492.622211][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.622211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.622211][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.622211][ T10] ipv6_add_addr+0x411/0x2000 [ 492.622211][ T10] inet6_addr_add+0x30e/0xa40 [ 492.622211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.622211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.622211][ T10] netlink_rcv_skb+0x130/0x360 [ 492.622211][ T10] netlink_unicast+0x449/0x710 [ 492.622211][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.622211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.622211][ T10] ___sys_sendmsg+0xee/0x170 [ 492.622211][ T10] __sys_sendmsg+0xcd/0x170 [ 492.622211][ T10] do_syscall_64+0xc6/0x1e0 [ 492.622211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.622211][ T10] [ 492.624490][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 492.624490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.624490][ T10] ipv6_find_idev+0x102/0x170 [ 492.624490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.624490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.624490][ T10] netlink_rcv_skb+0x130/0x360 [ 492.624490][ T10] netlink_unicast+0x449/0x710 [ 492.624490][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.624490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.624490][ T10] ___sys_sendmsg+0xee/0x170 [ 492.624490][ T10] __sys_sendmsg+0xcd/0x170 [ 492.624490][ T10] do_syscall_64+0xc6/0x1e0 [ 492.624490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.624490][ T10] [ 492.626450][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 492.626450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.626450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.626450][ T10] ipv6_find_idev+0x102/0x170 [ 492.626450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.626450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.626450][ T10] netlink_rcv_skb+0x130/0x360 [ 492.626450][ T10] netlink_unicast+0x449/0x710 [ 492.626450][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.626450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.626450][ T10] ___sys_sendmsg+0xee/0x170 [ 492.626450][ T10] __sys_sendmsg+0xcd/0x170 [ 492.626450][ T10] do_syscall_64+0xc6/0x1e0 [ 492.626450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.626450][ T10] [ 492.628555][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 492.628913][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 492.628913][ T10] netdev_get_by_index+0x5e/0x80 [ 492.628913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.628913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.628913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.628913][ T10] ipv6_add_addr+0x411/0x2000 [ 492.628913][ T10] inet6_addr_add+0x30e/0xa40 [ 492.628913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.628913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.628913][ T10] netlink_rcv_skb+0x130/0x360 [ 492.628913][ T10] netlink_unicast+0x449/0x710 [ 492.628913][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.628913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.628913][ T10] ___sys_sendmsg+0xee/0x170 [ 492.628913][ T10] __sys_sendmsg+0xcd/0x170 [ 492.628913][ T10] do_syscall_64+0xc6/0x1e0 [ 492.628913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.628913][ T10] [ 492.631193][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 492.631193][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.631193][ T10] ipv6_find_idev+0x102/0x170 [ 492.631193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.631193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.631193][ T10] netlink_rcv_skb+0x130/0x360 [ 492.631193][ T10] netlink_unicast+0x449/0x710 [ 492.631193][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.631193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.631193][ T10] ___sys_sendmsg+0xee/0x170 [ 492.631193][ T10] __sys_sendmsg+0xcd/0x170 [ 492.631193][ T10] do_syscall_64+0xc6/0x1e0 [ 492.631193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.631193][ T10] [ 492.633017][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 492.633017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.633017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.633017][ T10] ipv6_find_idev+0x102/0x170 [ 492.633017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.633017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.633017][ T10] netlink_rcv_skb+0x130/0x360 [ 492.633017][ T10] netlink_unicast+0x449/0x710 [ 492.633017][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.633017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.633017][ T10] ___sys_sendmsg+0xee/0x170 [ 492.633017][ T10] __sys_sendmsg+0xcd/0x170 [ 492.633017][ T10] do_syscall_64+0xc6/0x1e0 [ 492.633017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.633017][ T10] [ 492.635144][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 492.635483][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 492.635483][ T10] netdev_get_by_index+0x5e/0x80 [ 492.635483][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.635483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.635483][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.635483][ T10] ipv6_add_addr+0x411/0x2000 [ 492.635483][ T10] inet6_addr_add+0x30e/0xa40 [ 492.635483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.635483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.635483][ T10] netlink_rcv_skb+0x130/0x360 [ 492.635483][ T10] netlink_unicast+0x449/0x710 [ 492.635483][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.635483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.635483][ T10] ___sys_sendmsg+0xee/0x170 [ 492.635483][ T10] __sys_sendmsg+0xcd/0x170 [ 492.635483][ T10] do_syscall_64+0xc6/0x1e0 [ 492.635483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.635483][ T10] [ 492.637899][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 492.637899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.637899][ T10] ipv6_find_idev+0x102/0x170 [ 492.637899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.637899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.637899][ T10] netlink_rcv_skb+0x130/0x360 [ 492.637899][ T10] netlink_unicast+0x449/0x710 [ 492.637899][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.637899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.637899][ T10] ___sys_sendmsg+0xee/0x170 [ 492.637899][ T10] __sys_sendmsg+0xcd/0x170 [ 492.637899][ T10] do_syscall_64+0xc6/0x1e0 [ 492.637899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.637899][ T10] [ 492.639716][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 492.639716][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.639716][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.639716][ T10] ipv6_find_idev+0x102/0x170 [ 492.639716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.639716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.639716][ T10] netlink_rcv_skb+0x130/0x360 [ 492.639716][ T10] netlink_unicast+0x449/0x710 [ 492.639716][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.639716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.639716][ T10] ___sys_sendmsg+0xee/0x170 [ 492.639716][ T10] __sys_sendmsg+0xcd/0x170 [ 492.639716][ T10] do_syscall_64+0xc6/0x1e0 [ 492.639716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.639716][ T10] [ 492.641817][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 492.642176][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 492.642176][ T10] netdev_get_by_index+0x5e/0x80 [ 492.642176][ T10] fib6_nh_init+0x3d8/0x15b0 [ 492.642176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 492.642176][ T10] addrconf_f6i_alloc+0x244/0x410 [ 492.642176][ T10] ipv6_add_addr+0x411/0x2000 [ 492.642176][ T10] inet6_addr_add+0x30e/0xa40 [ 492.642176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 492.642176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.642176][ T10] netlink_rcv_skb+0x130/0x360 [ 492.642176][ T10] netlink_unicast+0x449/0x710 [ 492.642176][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.642176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.642176][ T10] ___sys_sendmsg+0xee/0x170 [ 492.642176][ T10] __sys_sendmsg+0xcd/0x170 [ 492.642176][ T10] do_syscall_64+0xc6/0x1e0 [ 492.642176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.642176][ T10] [ 492.644729][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 492.644729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 492.644729][ T10] ipv6_find_idev+0x102/0x170 [ 492.644729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.644729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.644729][ T10] netlink_rcv_skb+0x130/0x360 [ 492.644729][ T10] netlink_unicast+0x449/0x710 [ 492.644729][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.644729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.644729][ T10] ___sys_sendmsg+0xee/0x170 [ 492.644729][ T10] __sys_sendmsg+0xcd/0x170 [ 492.644729][ T10] do_syscall_64+0xc6/0x1e0 [ 492.644729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.644729][ T10] [ 492.646675][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 492.646675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 492.646675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 492.646675][ T10] ipv6_find_idev+0x102/0x170 [ 492.646675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 492.646675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 492.646675][ T10] netlink_rcv_skb+0x130/0x360 [ 492.646675][ T10] netlink_unicast+0x449/0x710 [ 492.646675][ T10] netlink_sendmsg+0x723/0xbe0 [ 492.646675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 492.646675][ T10] ___sys_sendmsg+0xee/0x170 [ 492.646675][ T10] __sys_sendmsg+0xcd/0x170 [ 492.646675][ T10] do_syscall_64+0xc6/0x1e0 [ 492.646675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.646675][ T10] [ 502.796669][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 502.797096][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 502.797096][ T10] netdev_get_by_index+0x5e/0x80 [ 502.797096][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.797096][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.797096][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.797096][ T10] ipv6_add_addr+0x411/0x2000 [ 502.797096][ T10] inet6_addr_add+0x30e/0xa40 [ 502.797096][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.797096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.797096][ T10] netlink_rcv_skb+0x130/0x360 [ 502.797096][ T10] netlink_unicast+0x449/0x710 [ 502.797096][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.797096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.797096][ T10] ___sys_sendmsg+0xee/0x170 [ 502.797096][ T10] __sys_sendmsg+0xcd/0x170 [ 502.797096][ T10] do_syscall_64+0xc6/0x1e0 [ 502.797096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.797096][ T10] [ 502.799200][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 502.799200][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.799200][ T10] ipv6_find_idev+0x102/0x170 [ 502.799200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.799200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.799200][ T10] netlink_rcv_skb+0x130/0x360 [ 502.799200][ T10] netlink_unicast+0x449/0x710 [ 502.799200][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.799200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.799200][ T10] ___sys_sendmsg+0xee/0x170 [ 502.799200][ T10] __sys_sendmsg+0xcd/0x170 [ 502.799200][ T10] do_syscall_64+0xc6/0x1e0 [ 502.799200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.799200][ T10] [ 502.800770][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 502.800770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.800770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.800770][ T10] ipv6_find_idev+0x102/0x170 [ 502.800770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.800770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.800770][ T10] netlink_rcv_skb+0x130/0x360 [ 502.800770][ T10] netlink_unicast+0x449/0x710 [ 502.800770][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.800770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.800770][ T10] ___sys_sendmsg+0xee/0x170 [ 502.800770][ T10] __sys_sendmsg+0xcd/0x170 [ 502.800770][ T10] do_syscall_64+0xc6/0x1e0 [ 502.800770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.800770][ T10] [ 502.802503][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 502.802912][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 502.802912][ T10] netdev_get_by_index+0x5e/0x80 [ 502.802912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.802912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.802912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.802912][ T10] ipv6_add_addr+0x411/0x2000 [ 502.802912][ T10] inet6_addr_add+0x30e/0xa40 [ 502.802912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.802912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.802912][ T10] netlink_rcv_skb+0x130/0x360 [ 502.802912][ T10] netlink_unicast+0x449/0x710 [ 502.802912][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.802912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.802912][ T10] ___sys_sendmsg+0xee/0x170 [ 502.802912][ T10] __sys_sendmsg+0xcd/0x170 [ 502.802912][ T10] do_syscall_64+0xc6/0x1e0 [ 502.802912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.802912][ T10] [ 502.804950][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 502.804950][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.804950][ T10] ipv6_find_idev+0x102/0x170 [ 502.804950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.804950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.804950][ T10] netlink_rcv_skb+0x130/0x360 [ 502.804950][ T10] netlink_unicast+0x449/0x710 [ 502.804950][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.804950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.804950][ T10] ___sys_sendmsg+0xee/0x170 [ 502.804950][ T10] __sys_sendmsg+0xcd/0x170 [ 502.804950][ T10] do_syscall_64+0xc6/0x1e0 [ 502.804950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.804950][ T10] [ 502.806509][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 502.806509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.806509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.806509][ T10] ipv6_find_idev+0x102/0x170 [ 502.806509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.806509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.806509][ T10] netlink_rcv_skb+0x130/0x360 [ 502.806509][ T10] netlink_unicast+0x449/0x710 [ 502.806509][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.806509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.806509][ T10] ___sys_sendmsg+0xee/0x170 [ 502.806509][ T10] __sys_sendmsg+0xcd/0x170 [ 502.806509][ T10] do_syscall_64+0xc6/0x1e0 [ 502.806509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.806509][ T10] [ 502.808252][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 502.808539][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 502.808539][ T10] netdev_get_by_index+0x5e/0x80 [ 502.808539][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.808539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.808539][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.808539][ T10] ipv6_add_addr+0x411/0x2000 [ 502.808539][ T10] inet6_addr_add+0x30e/0xa40 [ 502.808539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.808539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.808539][ T10] netlink_rcv_skb+0x130/0x360 [ 502.808539][ T10] netlink_unicast+0x449/0x710 [ 502.808539][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.808539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.808539][ T10] ___sys_sendmsg+0xee/0x170 [ 502.808539][ T10] __sys_sendmsg+0xcd/0x170 [ 502.808539][ T10] do_syscall_64+0xc6/0x1e0 [ 502.808539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.808539][ T10] [ 502.810577][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 502.810577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.810577][ T10] ipv6_find_idev+0x102/0x170 [ 502.810577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.810577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.810577][ T10] netlink_rcv_skb+0x130/0x360 [ 502.810577][ T10] netlink_unicast+0x449/0x710 [ 502.810577][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.810577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.810577][ T10] ___sys_sendmsg+0xee/0x170 [ 502.810577][ T10] __sys_sendmsg+0xcd/0x170 [ 502.810577][ T10] do_syscall_64+0xc6/0x1e0 [ 502.810577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.810577][ T10] [ 502.812142][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 502.812142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.812142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.812142][ T10] ipv6_find_idev+0x102/0x170 [ 502.812142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.812142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.812142][ T10] netlink_rcv_skb+0x130/0x360 [ 502.812142][ T10] netlink_unicast+0x449/0x710 [ 502.812142][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.812142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.812142][ T10] ___sys_sendmsg+0xee/0x170 [ 502.812142][ T10] __sys_sendmsg+0xcd/0x170 [ 502.812142][ T10] do_syscall_64+0xc6/0x1e0 [ 502.812142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.812142][ T10] [ 502.813852][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 502.814138][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 502.814138][ T10] netdev_get_by_index+0x5e/0x80 [ 502.814138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.814138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.814138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.814138][ T10] ipv6_add_addr+0x411/0x2000 [ 502.814138][ T10] inet6_addr_add+0x30e/0xa40 [ 502.814138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.814138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.814138][ T10] netlink_rcv_skb+0x130/0x360 [ 502.814138][ T10] netlink_unicast+0x449/0x710 [ 502.814138][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.814138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.814138][ T10] ___sys_sendmsg+0xee/0x170 [ 502.814138][ T10] __sys_sendmsg+0xcd/0x170 [ 502.814138][ T10] do_syscall_64+0xc6/0x1e0 [ 502.814138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.814138][ T10] [ 502.816156][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 502.816156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.816156][ T10] ipv6_find_idev+0x102/0x170 [ 502.816156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.816156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.816156][ T10] netlink_rcv_skb+0x130/0x360 [ 502.816156][ T10] netlink_unicast+0x449/0x710 [ 502.816156][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.816156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.816156][ T10] ___sys_sendmsg+0xee/0x170 [ 502.816156][ T10] __sys_sendmsg+0xcd/0x170 [ 502.816156][ T10] do_syscall_64+0xc6/0x1e0 [ 502.816156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.816156][ T10] [ 502.817709][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 502.817709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.817709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.817709][ T10] ipv6_find_idev+0x102/0x170 [ 502.817709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.817709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.817709][ T10] netlink_rcv_skb+0x130/0x360 [ 502.817709][ T10] netlink_unicast+0x449/0x710 [ 502.817709][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.817709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.817709][ T10] ___sys_sendmsg+0xee/0x170 [ 502.817709][ T10] __sys_sendmsg+0xcd/0x170 [ 502.817709][ T10] do_syscall_64+0xc6/0x1e0 [ 502.817709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.817709][ T10] [ 502.819534][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 502.819819][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 502.819819][ T10] netdev_get_by_index+0x5e/0x80 [ 502.819819][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.819819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.819819][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.819819][ T10] ipv6_add_addr+0x411/0x2000 [ 502.819819][ T10] inet6_addr_add+0x30e/0xa40 [ 502.819819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.819819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.819819][ T10] netlink_rcv_skb+0x130/0x360 [ 502.819819][ T10] netlink_unicast+0x449/0x710 [ 502.819819][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.819819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.819819][ T10] ___sys_sendmsg+0xee/0x170 [ 502.819819][ T10] __sys_sendmsg+0xcd/0x170 [ 502.819819][ T10] do_syscall_64+0xc6/0x1e0 [ 502.819819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.819819][ T10] [ 502.821830][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 502.821830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.821830][ T10] ipv6_find_idev+0x102/0x170 [ 502.821830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.821830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.821830][ T10] netlink_rcv_skb+0x130/0x360 [ 502.821830][ T10] netlink_unicast+0x449/0x710 [ 502.821830][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.821830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.821830][ T10] ___sys_sendmsg+0xee/0x170 [ 502.821830][ T10] __sys_sendmsg+0xcd/0x170 [ 502.821830][ T10] do_syscall_64+0xc6/0x1e0 [ 502.821830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.821830][ T10] [ 502.823574][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 502.823574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.823574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.823574][ T10] ipv6_find_idev+0x102/0x170 [ 502.823574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.823574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.823574][ T10] netlink_rcv_skb+0x130/0x360 [ 502.823574][ T10] netlink_unicast+0x449/0x710 [ 502.823574][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.823574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.823574][ T10] ___sys_sendmsg+0xee/0x170 [ 502.823574][ T10] __sys_sendmsg+0xcd/0x170 [ 502.823574][ T10] do_syscall_64+0xc6/0x1e0 [ 502.823574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.823574][ T10] [ 502.825590][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 502.826377][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 502.826377][ T10] netdev_get_by_index+0x5e/0x80 [ 502.826377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.826377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.826377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.826377][ T10] ipv6_add_addr+0x411/0x2000 [ 502.826377][ T10] inet6_addr_add+0x30e/0xa40 [ 502.826377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.826377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.826377][ T10] netlink_rcv_skb+0x130/0x360 [ 502.826377][ T10] netlink_unicast+0x449/0x710 [ 502.826377][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.826377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.826377][ T10] ___sys_sendmsg+0xee/0x170 [ 502.826377][ T10] __sys_sendmsg+0xcd/0x170 [ 502.826377][ T10] do_syscall_64+0xc6/0x1e0 [ 502.826377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.826377][ T10] [ 502.828410][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 502.828410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.828410][ T10] ipv6_find_idev+0x102/0x170 [ 502.828410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.828410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.828410][ T10] netlink_rcv_skb+0x130/0x360 [ 502.828410][ T10] netlink_unicast+0x449/0x710 [ 502.828410][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.828410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.828410][ T10] ___sys_sendmsg+0xee/0x170 [ 502.828410][ T10] __sys_sendmsg+0xcd/0x170 [ 502.828410][ T10] do_syscall_64+0xc6/0x1e0 [ 502.828410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.828410][ T10] [ 502.829966][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 502.829966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.829966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.829966][ T10] ipv6_find_idev+0x102/0x170 [ 502.829966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.829966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.829966][ T10] netlink_rcv_skb+0x130/0x360 [ 502.829966][ T10] netlink_unicast+0x449/0x710 [ 502.829966][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.829966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.829966][ T10] ___sys_sendmsg+0xee/0x170 [ 502.829966][ T10] __sys_sendmsg+0xcd/0x170 [ 502.829966][ T10] do_syscall_64+0xc6/0x1e0 [ 502.829966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.829966][ T10] [ 502.831853][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 502.832133][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 502.832133][ T10] netdev_get_by_index+0x5e/0x80 [ 502.832133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.832133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.832133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.832133][ T10] ipv6_add_addr+0x411/0x2000 [ 502.832133][ T10] inet6_addr_add+0x30e/0xa40 [ 502.832133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.832133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.832133][ T10] netlink_rcv_skb+0x130/0x360 [ 502.832133][ T10] netlink_unicast+0x449/0x710 [ 502.832133][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.832133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.832133][ T10] ___sys_sendmsg+0xee/0x170 [ 502.832133][ T10] __sys_sendmsg+0xcd/0x170 [ 502.832133][ T10] do_syscall_64+0xc6/0x1e0 [ 502.832133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.832133][ T10] [ 502.834400][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 502.834400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.834400][ T10] ipv6_find_idev+0x102/0x170 [ 502.834400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.834400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.834400][ T10] netlink_rcv_skb+0x130/0x360 [ 502.834400][ T10] netlink_unicast+0x449/0x710 [ 502.834400][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.834400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.834400][ T10] ___sys_sendmsg+0xee/0x170 [ 502.834400][ T10] __sys_sendmsg+0xcd/0x170 [ 502.834400][ T10] do_syscall_64+0xc6/0x1e0 [ 502.834400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.834400][ T10] [ 502.836148][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 502.836148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.836148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.836148][ T10] ipv6_find_idev+0x102/0x170 [ 502.836148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.836148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.836148][ T10] netlink_rcv_skb+0x130/0x360 [ 502.836148][ T10] netlink_unicast+0x449/0x710 [ 502.836148][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.836148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.836148][ T10] ___sys_sendmsg+0xee/0x170 [ 502.836148][ T10] __sys_sendmsg+0xcd/0x170 [ 502.836148][ T10] do_syscall_64+0xc6/0x1e0 [ 502.836148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.836148][ T10] [ 502.838100][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 502.838381][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 502.838381][ T10] netdev_get_by_index+0x5e/0x80 [ 502.838381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.838381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.838381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.838381][ T10] ipv6_add_addr+0x411/0x2000 [ 502.838381][ T10] inet6_addr_add+0x30e/0xa40 [ 502.838381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.838381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.838381][ T10] netlink_rcv_skb+0x130/0x360 [ 502.838381][ T10] netlink_unicast+0x449/0x710 [ 502.838381][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.838381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.838381][ T10] ___sys_sendmsg+0xee/0x170 [ 502.838381][ T10] __sys_sendmsg+0xcd/0x170 [ 502.838381][ T10] do_syscall_64+0xc6/0x1e0 [ 502.838381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.838381][ T10] [ 502.840443][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 502.840443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.840443][ T10] ipv6_find_idev+0x102/0x170 [ 502.840443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.840443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.840443][ T10] netlink_rcv_skb+0x130/0x360 [ 502.840443][ T10] netlink_unicast+0x449/0x710 [ 502.840443][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.840443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.840443][ T10] ___sys_sendmsg+0xee/0x170 [ 502.840443][ T10] __sys_sendmsg+0xcd/0x170 [ 502.840443][ T10] do_syscall_64+0xc6/0x1e0 [ 502.840443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.840443][ T10] [ 502.842158][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 502.842158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.842158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.842158][ T10] ipv6_find_idev+0x102/0x170 [ 502.842158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.842158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.842158][ T10] netlink_rcv_skb+0x130/0x360 [ 502.842158][ T10] netlink_unicast+0x449/0x710 [ 502.842158][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.842158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.842158][ T10] ___sys_sendmsg+0xee/0x170 [ 502.842158][ T10] __sys_sendmsg+0xcd/0x170 [ 502.842158][ T10] do_syscall_64+0xc6/0x1e0 [ 502.842158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.842158][ T10] [ 512.972833][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 512.973302][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 512.973302][ T10] netdev_get_by_index+0x5e/0x80 [ 512.973302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.973302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.973302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.973302][ T10] ipv6_add_addr+0x411/0x2000 [ 512.973302][ T10] inet6_addr_add+0x30e/0xa40 [ 512.973302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.973302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.973302][ T10] netlink_rcv_skb+0x130/0x360 [ 512.973302][ T10] netlink_unicast+0x449/0x710 [ 512.973302][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.973302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.973302][ T10] ___sys_sendmsg+0xee/0x170 [ 512.973302][ T10] __sys_sendmsg+0xcd/0x170 [ 512.973302][ T10] do_syscall_64+0xc6/0x1e0 [ 512.973302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.973302][ T10] [ 512.975640][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 512.975640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.975640][ T10] ipv6_find_idev+0x102/0x170 [ 512.975640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.975640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.975640][ T10] netlink_rcv_skb+0x130/0x360 [ 512.975640][ T10] netlink_unicast+0x449/0x710 [ 512.975640][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.975640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.975640][ T10] ___sys_sendmsg+0xee/0x170 [ 512.975640][ T10] __sys_sendmsg+0xcd/0x170 [ 512.975640][ T10] do_syscall_64+0xc6/0x1e0 [ 512.975640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.975640][ T10] [ 512.977414][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 512.977414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.977414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.977414][ T10] ipv6_find_idev+0x102/0x170 [ 512.977414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.977414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.977414][ T10] netlink_rcv_skb+0x130/0x360 [ 512.977414][ T10] netlink_unicast+0x449/0x710 [ 512.977414][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.977414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.977414][ T10] ___sys_sendmsg+0xee/0x170 [ 512.977414][ T10] __sys_sendmsg+0xcd/0x170 [ 512.977414][ T10] do_syscall_64+0xc6/0x1e0 [ 512.977414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.977414][ T10] [ 512.979361][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 512.979676][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 512.979676][ T10] netdev_get_by_index+0x5e/0x80 [ 512.979676][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.979676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.979676][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.979676][ T10] ipv6_add_addr+0x411/0x2000 [ 512.979676][ T10] inet6_addr_add+0x30e/0xa40 [ 512.979676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.979676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.979676][ T10] netlink_rcv_skb+0x130/0x360 [ 512.979676][ T10] netlink_unicast+0x449/0x710 [ 512.979676][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.979676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.979676][ T10] ___sys_sendmsg+0xee/0x170 [ 512.979676][ T10] __sys_sendmsg+0xcd/0x170 [ 512.979676][ T10] do_syscall_64+0xc6/0x1e0 [ 512.979676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.979676][ T10] [ 512.981928][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 512.981928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.981928][ T10] ipv6_find_idev+0x102/0x170 [ 512.981928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.981928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.981928][ T10] netlink_rcv_skb+0x130/0x360 [ 512.981928][ T10] netlink_unicast+0x449/0x710 [ 512.981928][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.981928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.981928][ T10] ___sys_sendmsg+0xee/0x170 [ 512.981928][ T10] __sys_sendmsg+0xcd/0x170 [ 512.981928][ T10] do_syscall_64+0xc6/0x1e0 [ 512.981928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.981928][ T10] [ 512.983674][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 512.983674][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.983674][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.983674][ T10] ipv6_find_idev+0x102/0x170 [ 512.983674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.983674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.983674][ T10] netlink_rcv_skb+0x130/0x360 [ 512.983674][ T10] netlink_unicast+0x449/0x710 [ 512.983674][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.983674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.983674][ T10] ___sys_sendmsg+0xee/0x170 [ 512.983674][ T10] __sys_sendmsg+0xcd/0x170 [ 512.983674][ T10] do_syscall_64+0xc6/0x1e0 [ 512.983674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.983674][ T10] [ 512.985603][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 512.985910][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 512.985910][ T10] netdev_get_by_index+0x5e/0x80 [ 512.985910][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.985910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.985910][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.985910][ T10] ipv6_add_addr+0x411/0x2000 [ 512.985910][ T10] inet6_addr_add+0x30e/0xa40 [ 512.985910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.985910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.985910][ T10] netlink_rcv_skb+0x130/0x360 [ 512.985910][ T10] netlink_unicast+0x449/0x710 [ 512.985910][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.985910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.985910][ T10] ___sys_sendmsg+0xee/0x170 [ 512.985910][ T10] __sys_sendmsg+0xcd/0x170 [ 512.985910][ T10] do_syscall_64+0xc6/0x1e0 [ 512.985910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.985910][ T10] [ 512.988196][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 512.988196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.988196][ T10] ipv6_find_idev+0x102/0x170 [ 512.988196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.988196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.988196][ T10] netlink_rcv_skb+0x130/0x360 [ 512.988196][ T10] netlink_unicast+0x449/0x710 [ 512.988196][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.988196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.988196][ T10] ___sys_sendmsg+0xee/0x170 [ 512.988196][ T10] __sys_sendmsg+0xcd/0x170 [ 512.988196][ T10] do_syscall_64+0xc6/0x1e0 [ 512.988196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.988196][ T10] [ 512.990078][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 512.990078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.990078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.990078][ T10] ipv6_find_idev+0x102/0x170 [ 512.990078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.990078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.990078][ T10] netlink_rcv_skb+0x130/0x360 [ 512.990078][ T10] netlink_unicast+0x449/0x710 [ 512.990078][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.990078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.990078][ T10] ___sys_sendmsg+0xee/0x170 [ 512.990078][ T10] __sys_sendmsg+0xcd/0x170 [ 512.990078][ T10] do_syscall_64+0xc6/0x1e0 [ 512.990078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.990078][ T10] [ 512.992236][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 512.992532][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 512.992532][ T10] netdev_get_by_index+0x5e/0x80 [ 512.992532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.992532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.992532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.992532][ T10] ipv6_add_addr+0x411/0x2000 [ 512.992532][ T10] inet6_addr_add+0x30e/0xa40 [ 512.992532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.992532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.992532][ T10] netlink_rcv_skb+0x130/0x360 [ 512.992532][ T10] netlink_unicast+0x449/0x710 [ 512.992532][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.992532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.992532][ T10] ___sys_sendmsg+0xee/0x170 [ 512.992532][ T10] __sys_sendmsg+0xcd/0x170 [ 512.992532][ T10] do_syscall_64+0xc6/0x1e0 [ 512.992532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.992532][ T10] [ 512.994871][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 512.994871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 512.994871][ T10] ipv6_find_idev+0x102/0x170 [ 512.994871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.994871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.994871][ T10] netlink_rcv_skb+0x130/0x360 [ 512.994871][ T10] netlink_unicast+0x449/0x710 [ 512.994871][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.994871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.994871][ T10] ___sys_sendmsg+0xee/0x170 [ 512.994871][ T10] __sys_sendmsg+0xcd/0x170 [ 512.994871][ T10] do_syscall_64+0xc6/0x1e0 [ 512.994871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.994871][ T10] [ 512.996601][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 512.996601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 512.996601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 512.996601][ T10] ipv6_find_idev+0x102/0x170 [ 512.996601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 512.996601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.996601][ T10] netlink_rcv_skb+0x130/0x360 [ 512.996601][ T10] netlink_unicast+0x449/0x710 [ 512.996601][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.996601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.996601][ T10] ___sys_sendmsg+0xee/0x170 [ 512.996601][ T10] __sys_sendmsg+0xcd/0x170 [ 512.996601][ T10] do_syscall_64+0xc6/0x1e0 [ 512.996601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.996601][ T10] [ 512.998917][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 512.999550][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 512.999550][ T10] netdev_get_by_index+0x5e/0x80 [ 512.999550][ T10] fib6_nh_init+0x3d8/0x15b0 [ 512.999550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 512.999550][ T10] addrconf_f6i_alloc+0x244/0x410 [ 512.999550][ T10] ipv6_add_addr+0x411/0x2000 [ 512.999550][ T10] inet6_addr_add+0x30e/0xa40 [ 512.999550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 512.999550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 512.999550][ T10] netlink_rcv_skb+0x130/0x360 [ 512.999550][ T10] netlink_unicast+0x449/0x710 [ 512.999550][ T10] netlink_sendmsg+0x723/0xbe0 [ 512.999550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 512.999550][ T10] ___sys_sendmsg+0xee/0x170 [ 512.999550][ T10] __sys_sendmsg+0xcd/0x170 [ 512.999550][ T10] do_syscall_64+0xc6/0x1e0 [ 512.999550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 512.999550][ T10] [ 513.001812][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 513.001812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 513.001812][ T10] ipv6_find_idev+0x102/0x170 [ 513.001812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 513.001812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.001812][ T10] netlink_rcv_skb+0x130/0x360 [ 513.001812][ T10] netlink_unicast+0x449/0x710 [ 513.001812][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.001812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.001812][ T10] ___sys_sendmsg+0xee/0x170 [ 513.001812][ T10] __sys_sendmsg+0xcd/0x170 [ 513.001812][ T10] do_syscall_64+0xc6/0x1e0 [ 513.001812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.001812][ T10] [ 513.003619][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 513.003619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 513.003619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 513.003619][ T10] ipv6_find_idev+0x102/0x170 [ 513.003619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 513.003619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.003619][ T10] netlink_rcv_skb+0x130/0x360 [ 513.003619][ T10] netlink_unicast+0x449/0x710 [ 513.003619][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.003619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.003619][ T10] ___sys_sendmsg+0xee/0x170 [ 513.003619][ T10] __sys_sendmsg+0xcd/0x170 [ 513.003619][ T10] do_syscall_64+0xc6/0x1e0 [ 513.003619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.003619][ T10] [ 513.005913][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 513.006309][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 513.006309][ T10] netdev_get_by_index+0x5e/0x80 [ 513.006309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 513.006309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 513.006309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 513.006309][ T10] ipv6_add_addr+0x411/0x2000 [ 513.006309][ T10] inet6_addr_add+0x30e/0xa40 [ 513.006309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 513.006309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.006309][ T10] netlink_rcv_skb+0x130/0x360 [ 513.006309][ T10] netlink_unicast+0x449/0x710 [ 513.006309][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.006309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.006309][ T10] ___sys_sendmsg+0xee/0x170 [ 513.006309][ T10] __sys_sendmsg+0xcd/0x170 [ 513.006309][ T10] do_syscall_64+0xc6/0x1e0 [ 513.006309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.006309][ T10] [ 513.008856][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 513.008856][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 513.008856][ T10] ipv6_find_idev+0x102/0x170 [ 513.008856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 513.008856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.008856][ T10] netlink_rcv_skb+0x130/0x360 [ 513.008856][ T10] netlink_unicast+0x449/0x710 [ 513.008856][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.008856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.008856][ T10] ___sys_sendmsg+0xee/0x170 [ 513.008856][ T10] __sys_sendmsg+0xcd/0x170 [ 513.008856][ T10] do_syscall_64+0xc6/0x1e0 [ 513.008856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.008856][ T10] [ 513.010903][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 513.010903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 513.010903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 513.010903][ T10] ipv6_find_idev+0x102/0x170 [ 513.010903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 513.010903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.010903][ T10] netlink_rcv_skb+0x130/0x360 [ 513.010903][ T10] netlink_unicast+0x449/0x710 [ 513.010903][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.010903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.010903][ T10] ___sys_sendmsg+0xee/0x170 [ 513.010903][ T10] __sys_sendmsg+0xcd/0x170 [ 513.010903][ T10] do_syscall_64+0xc6/0x1e0 [ 513.010903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.010903][ T10] [ 513.013277][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 513.013649][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 513.013649][ T10] netdev_get_by_index+0x5e/0x80 [ 513.013649][ T10] fib6_nh_init+0x3d8/0x15b0 [ 513.013649][ T10] ip6_route_info_create+0xf18/0x17d0 [ 513.013649][ T10] addrconf_f6i_alloc+0x244/0x410 [ 513.013649][ T10] ipv6_add_addr+0x411/0x2000 [ 513.013649][ T10] inet6_addr_add+0x30e/0xa40 [ 513.013649][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 513.013649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.013649][ T10] netlink_rcv_skb+0x130/0x360 [ 513.013649][ T10] netlink_unicast+0x449/0x710 [ 513.013649][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.013649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.013649][ T10] ___sys_sendmsg+0xee/0x170 [ 513.013649][ T10] __sys_sendmsg+0xcd/0x170 [ 513.013649][ T10] do_syscall_64+0xc6/0x1e0 [ 513.013649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.013649][ T10] [ 513.016294][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 513.016294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 513.016294][ T10] ipv6_find_idev+0x102/0x170 [ 513.016294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 513.016294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.016294][ T10] netlink_rcv_skb+0x130/0x360 [ 513.016294][ T10] netlink_unicast+0x449/0x710 [ 513.016294][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.016294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.016294][ T10] ___sys_sendmsg+0xee/0x170 [ 513.016294][ T10] __sys_sendmsg+0xcd/0x170 [ 513.016294][ T10] do_syscall_64+0xc6/0x1e0 [ 513.016294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.016294][ T10] [ 513.018400][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 513.018400][ T10] neigh_parms_alloc+0x1e5/0x510 [ 513.018400][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 513.018400][ T10] ipv6_find_idev+0x102/0x170 [ 513.018400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 513.018400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.018400][ T10] netlink_rcv_skb+0x130/0x360 [ 513.018400][ T10] netlink_unicast+0x449/0x710 [ 513.018400][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.018400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.018400][ T10] ___sys_sendmsg+0xee/0x170 [ 513.018400][ T10] __sys_sendmsg+0xcd/0x170 [ 513.018400][ T10] do_syscall_64+0xc6/0x1e0 [ 513.018400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.018400][ T10] [ 513.020695][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 513.021062][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 513.021062][ T10] netdev_get_by_index+0x5e/0x80 [ 513.021062][ T10] fib6_nh_init+0x3d8/0x15b0 [ 513.021062][ T10] ip6_route_info_create+0xf18/0x17d0 [ 513.021062][ T10] addrconf_f6i_alloc+0x244/0x410 [ 513.021062][ T10] ipv6_add_addr+0x411/0x2000 [ 513.021062][ T10] inet6_addr_add+0x30e/0xa40 [ 513.021062][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 513.021062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.021062][ T10] netlink_rcv_skb+0x130/0x360 [ 513.021062][ T10] netlink_unicast+0x449/0x710 [ 513.021062][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.021062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.021062][ T10] ___sys_sendmsg+0xee/0x170 [ 513.021062][ T10] __sys_sendmsg+0xcd/0x170 [ 513.021062][ T10] do_syscall_64+0xc6/0x1e0 [ 513.021062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.021062][ T10] [ 513.023782][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 513.023782][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 513.023782][ T10] ipv6_find_idev+0x102/0x170 [ 513.023782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 513.023782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.023782][ T10] netlink_rcv_skb+0x130/0x360 [ 513.023782][ T10] netlink_unicast+0x449/0x710 [ 513.023782][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.023782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.023782][ T10] ___sys_sendmsg+0xee/0x170 [ 513.023782][ T10] __sys_sendmsg+0xcd/0x170 [ 513.023782][ T10] do_syscall_64+0xc6/0x1e0 [ 513.023782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.023782][ T10] [ 513.025919][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 513.025919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 513.025919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 513.025919][ T10] ipv6_find_idev+0x102/0x170 [ 513.025919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 513.025919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 513.025919][ T10] netlink_rcv_skb+0x130/0x360 [ 513.025919][ T10] netlink_unicast+0x449/0x710 [ 513.025919][ T10] netlink_sendmsg+0x723/0xbe0 [ 513.025919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 513.025919][ T10] ___sys_sendmsg+0xee/0x170 [ 513.025919][ T10] __sys_sendmsg+0xcd/0x170 [ 513.025919][ T10] do_syscall_64+0xc6/0x1e0 [ 513.025919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 513.025919][ T10] [ 523.187763][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 523.188125][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 523.188125][ T10] netdev_get_by_index+0x5e/0x80 [ 523.188125][ T10] fib6_nh_init+0x3d8/0x15b0 [ 523.188125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 523.188125][ T10] addrconf_f6i_alloc+0x244/0x410 [ 523.188125][ T10] ipv6_add_addr+0x411/0x2000 [ 523.188125][ T10] inet6_addr_add+0x30e/0xa40 [ 523.188125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 523.188125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.188125][ T10] netlink_rcv_skb+0x130/0x360 [ 523.188125][ T10] netlink_unicast+0x449/0x710 [ 523.188125][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.188125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.188125][ T10] ___sys_sendmsg+0xee/0x170 [ 523.188125][ T10] __sys_sendmsg+0xcd/0x170 [ 523.188125][ T10] do_syscall_64+0xc6/0x1e0 [ 523.188125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.188125][ T10] [ 523.190427][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 523.190427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 523.190427][ T10] ipv6_find_idev+0x102/0x170 [ 523.190427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.190427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.190427][ T10] netlink_rcv_skb+0x130/0x360 [ 523.190427][ T10] netlink_unicast+0x449/0x710 [ 523.190427][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.190427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.190427][ T10] ___sys_sendmsg+0xee/0x170 [ 523.190427][ T10] __sys_sendmsg+0xcd/0x170 [ 523.190427][ T10] do_syscall_64+0xc6/0x1e0 [ 523.190427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.190427][ T10] [ 523.192226][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 523.192226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 523.192226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 523.192226][ T10] ipv6_find_idev+0x102/0x170 [ 523.192226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.192226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.192226][ T10] netlink_rcv_skb+0x130/0x360 [ 523.192226][ T10] netlink_unicast+0x449/0x710 [ 523.192226][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.192226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.192226][ T10] ___sys_sendmsg+0xee/0x170 [ 523.192226][ T10] __sys_sendmsg+0xcd/0x170 [ 523.192226][ T10] do_syscall_64+0xc6/0x1e0 [ 523.192226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.192226][ T10] [ 523.194188][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 523.194503][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 523.194503][ T10] netdev_get_by_index+0x5e/0x80 [ 523.194503][ T10] fib6_nh_init+0x3d8/0x15b0 [ 523.194503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 523.194503][ T10] addrconf_f6i_alloc+0x244/0x410 [ 523.194503][ T10] ipv6_add_addr+0x411/0x2000 [ 523.194503][ T10] inet6_addr_add+0x30e/0xa40 [ 523.194503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 523.194503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.194503][ T10] netlink_rcv_skb+0x130/0x360 [ 523.194503][ T10] netlink_unicast+0x449/0x710 [ 523.194503][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.194503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.194503][ T10] ___sys_sendmsg+0xee/0x170 [ 523.194503][ T10] __sys_sendmsg+0xcd/0x170 [ 523.194503][ T10] do_syscall_64+0xc6/0x1e0 [ 523.194503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.194503][ T10] [ 523.196807][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 523.196807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 523.196807][ T10] ipv6_find_idev+0x102/0x170 [ 523.196807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.196807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.196807][ T10] netlink_rcv_skb+0x130/0x360 [ 523.196807][ T10] netlink_unicast+0x449/0x710 [ 523.196807][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.196807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.196807][ T10] ___sys_sendmsg+0xee/0x170 [ 523.196807][ T10] __sys_sendmsg+0xcd/0x170 [ 523.196807][ T10] do_syscall_64+0xc6/0x1e0 [ 523.196807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.196807][ T10] [ 523.198573][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 523.198573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 523.198573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 523.198573][ T10] ipv6_find_idev+0x102/0x170 [ 523.198573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.198573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.198573][ T10] netlink_rcv_skb+0x130/0x360 [ 523.198573][ T10] netlink_unicast+0x449/0x710 [ 523.198573][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.198573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.198573][ T10] ___sys_sendmsg+0xee/0x170 [ 523.198573][ T10] __sys_sendmsg+0xcd/0x170 [ 523.198573][ T10] do_syscall_64+0xc6/0x1e0 [ 523.198573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.198573][ T10] [ 523.200435][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 523.200739][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 523.200739][ T10] netdev_get_by_index+0x5e/0x80 [ 523.200739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 523.200739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 523.200739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 523.200739][ T10] ipv6_add_addr+0x411/0x2000 [ 523.200739][ T10] inet6_addr_add+0x30e/0xa40 [ 523.200739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 523.200739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.200739][ T10] netlink_rcv_skb+0x130/0x360 [ 523.200739][ T10] netlink_unicast+0x449/0x710 [ 523.200739][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.200739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.200739][ T10] ___sys_sendmsg+0xee/0x170 [ 523.200739][ T10] __sys_sendmsg+0xcd/0x170 [ 523.200739][ T10] do_syscall_64+0xc6/0x1e0 [ 523.200739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.200739][ T10] [ 523.202984][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 523.202984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 523.202984][ T10] ipv6_find_idev+0x102/0x170 [ 523.202984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.202984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.202984][ T10] netlink_rcv_skb+0x130/0x360 [ 523.202984][ T10] netlink_unicast+0x449/0x710 [ 523.202984][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.202984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.202984][ T10] ___sys_sendmsg+0xee/0x170 [ 523.202984][ T10] __sys_sendmsg+0xcd/0x170 [ 523.202984][ T10] do_syscall_64+0xc6/0x1e0 [ 523.202984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.202984][ T10] [ 523.204766][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 523.204766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 523.204766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 523.204766][ T10] ipv6_find_idev+0x102/0x170 [ 523.204766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.204766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.204766][ T10] netlink_rcv_skb+0x130/0x360 [ 523.204766][ T10] netlink_unicast+0x449/0x710 [ 523.204766][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.204766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.204766][ T10] ___sys_sendmsg+0xee/0x170 [ 523.204766][ T10] __sys_sendmsg+0xcd/0x170 [ 523.204766][ T10] do_syscall_64+0xc6/0x1e0 [ 523.204766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.204766][ T10] [ 523.206685][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 523.206983][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 523.206983][ T10] netdev_get_by_index+0x5e/0x80 [ 523.206983][ T10] fib6_nh_init+0x3d8/0x15b0 [ 523.206983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 523.206983][ T10] addrconf_f6i_alloc+0x244/0x410 [ 523.206983][ T10] ipv6_add_addr+0x411/0x2000 [ 523.206983][ T10] inet6_addr_add+0x30e/0xa40 [ 523.206983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 523.206983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.206983][ T10] netlink_rcv_skb+0x130/0x360 [ 523.206983][ T10] netlink_unicast+0x449/0x710 [ 523.206983][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.206983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.206983][ T10] ___sys_sendmsg+0xee/0x170 [ 523.206983][ T10] __sys_sendmsg+0xcd/0x170 [ 523.206983][ T10] do_syscall_64+0xc6/0x1e0 [ 523.206983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.206983][ T10] [ 523.209233][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 523.209233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 523.209233][ T10] ipv6_find_idev+0x102/0x170 [ 523.209233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.209233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.209233][ T10] netlink_rcv_skb+0x130/0x360 [ 523.209233][ T10] netlink_unicast+0x449/0x710 [ 523.209233][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.209233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.209233][ T10] ___sys_sendmsg+0xee/0x170 [ 523.209233][ T10] __sys_sendmsg+0xcd/0x170 [ 523.209233][ T10] do_syscall_64+0xc6/0x1e0 [ 523.209233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.209233][ T10] [ 523.211150][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 523.211150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 523.211150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 523.211150][ T10] ipv6_find_idev+0x102/0x170 [ 523.211150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.211150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.211150][ T10] netlink_rcv_skb+0x130/0x360 [ 523.211150][ T10] netlink_unicast+0x449/0x710 [ 523.211150][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.211150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.211150][ T10] ___sys_sendmsg+0xee/0x170 [ 523.211150][ T10] __sys_sendmsg+0xcd/0x170 [ 523.211150][ T10] do_syscall_64+0xc6/0x1e0 [ 523.211150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.211150][ T10] [ 523.213590][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 523.214041][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 523.214041][ T10] netdev_get_by_index+0x5e/0x80 [ 523.214041][ T10] fib6_nh_init+0x3d8/0x15b0 [ 523.214041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 523.214041][ T10] addrconf_f6i_alloc+0x244/0x410 [ 523.214041][ T10] ipv6_add_addr+0x411/0x2000 [ 523.214041][ T10] inet6_addr_add+0x30e/0xa40 [ 523.214041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 523.214041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.214041][ T10] netlink_rcv_skb+0x130/0x360 [ 523.214041][ T10] netlink_unicast+0x449/0x710 [ 523.214041][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.214041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.214041][ T10] ___sys_sendmsg+0xee/0x170 [ 523.214041][ T10] __sys_sendmsg+0xcd/0x170 [ 523.214041][ T10] do_syscall_64+0xc6/0x1e0 [ 523.214041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.214041][ T10] [ 523.216233][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 523.216233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 523.216233][ T10] ipv6_find_idev+0x102/0x170 [ 523.216233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.216233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.216233][ T10] netlink_rcv_skb+0x130/0x360 [ 523.216233][ T10] netlink_unicast+0x449/0x710 [ 523.216233][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.216233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.216233][ T10] ___sys_sendmsg+0xee/0x170 [ 523.216233][ T10] __sys_sendmsg+0xcd/0x170 [ 523.216233][ T10] do_syscall_64+0xc6/0x1e0 [ 523.216233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.216233][ T10] [ 523.217936][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 523.217936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 523.217936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 523.217936][ T10] ipv6_find_idev+0x102/0x170 [ 523.217936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.217936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.217936][ T10] netlink_rcv_skb+0x130/0x360 [ 523.217936][ T10] netlink_unicast+0x449/0x710 [ 523.217936][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.217936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.217936][ T10] ___sys_sendmsg+0xee/0x170 [ 523.217936][ T10] __sys_sendmsg+0xcd/0x170 [ 523.217936][ T10] do_syscall_64+0xc6/0x1e0 [ 523.217936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.217936][ T10] [ 523.220013][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 523.220372][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 523.220372][ T10] netdev_get_by_index+0x5e/0x80 [ 523.220372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 523.220372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 523.220372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 523.220372][ T10] ipv6_add_addr+0x411/0x2000 [ 523.220372][ T10] inet6_addr_add+0x30e/0xa40 [ 523.220372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 523.220372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.220372][ T10] netlink_rcv_skb+0x130/0x360 [ 523.220372][ T10] netlink_unicast+0x449/0x710 [ 523.220372][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.220372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.220372][ T10] ___sys_sendmsg+0xee/0x170 [ 523.220372][ T10] __sys_sendmsg+0xcd/0x170 [ 523.220372][ T10] do_syscall_64+0xc6/0x1e0 [ 523.220372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.220372][ T10] [ 523.222890][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 523.222890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 523.222890][ T10] ipv6_find_idev+0x102/0x170 [ 523.222890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.222890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.222890][ T10] netlink_rcv_skb+0x130/0x360 [ 523.222890][ T10] netlink_unicast+0x449/0x710 [ 523.222890][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.222890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.222890][ T10] ___sys_sendmsg+0xee/0x170 [ 523.222890][ T10] __sys_sendmsg+0xcd/0x170 [ 523.222890][ T10] do_syscall_64+0xc6/0x1e0 [ 523.222890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.222890][ T10] [ 523.224835][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 523.224835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 523.224835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 523.224835][ T10] ipv6_find_idev+0x102/0x170 [ 523.224835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.224835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.224835][ T10] netlink_rcv_skb+0x130/0x360 [ 523.224835][ T10] netlink_unicast+0x449/0x710 [ 523.224835][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.224835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.224835][ T10] ___sys_sendmsg+0xee/0x170 [ 523.224835][ T10] __sys_sendmsg+0xcd/0x170 [ 523.224835][ T10] do_syscall_64+0xc6/0x1e0 [ 523.224835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.224835][ T10] [ 523.226922][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 523.227217][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 523.227217][ T10] netdev_get_by_index+0x5e/0x80 [ 523.227217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 523.227217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 523.227217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 523.227217][ T10] ipv6_add_addr+0x411/0x2000 [ 523.227217][ T10] inet6_addr_add+0x30e/0xa40 [ 523.227217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 523.227217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.227217][ T10] netlink_rcv_skb+0x130/0x360 [ 523.227217][ T10] netlink_unicast+0x449/0x710 [ 523.227217][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.227217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.227217][ T10] ___sys_sendmsg+0xee/0x170 [ 523.227217][ T10] __sys_sendmsg+0xcd/0x170 [ 523.227217][ T10] do_syscall_64+0xc6/0x1e0 [ 523.227217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.227217][ T10] [ 523.229713][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 523.229713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 523.229713][ T10] ipv6_find_idev+0x102/0x170 [ 523.229713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.229713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.229713][ T10] netlink_rcv_skb+0x130/0x360 [ 523.229713][ T10] netlink_unicast+0x449/0x710 [ 523.229713][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.229713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.229713][ T10] ___sys_sendmsg+0xee/0x170 [ 523.229713][ T10] __sys_sendmsg+0xcd/0x170 [ 523.229713][ T10] do_syscall_64+0xc6/0x1e0 [ 523.229713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.229713][ T10] [ 523.231626][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 523.231626][ T10] neigh_parms_alloc+0x1e5/0x510 [ 523.231626][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 523.231626][ T10] ipv6_find_idev+0x102/0x170 [ 523.231626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.231626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.231626][ T10] netlink_rcv_skb+0x130/0x360 [ 523.231626][ T10] netlink_unicast+0x449/0x710 [ 523.231626][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.231626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.231626][ T10] ___sys_sendmsg+0xee/0x170 [ 523.231626][ T10] __sys_sendmsg+0xcd/0x170 [ 523.231626][ T10] do_syscall_64+0xc6/0x1e0 [ 523.231626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.231626][ T10] [ 523.233746][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 523.234032][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 523.234032][ T10] netdev_get_by_index+0x5e/0x80 [ 523.234032][ T10] fib6_nh_init+0x3d8/0x15b0 [ 523.234032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 523.234032][ T10] addrconf_f6i_alloc+0x244/0x410 [ 523.234032][ T10] ipv6_add_addr+0x411/0x2000 [ 523.234032][ T10] inet6_addr_add+0x30e/0xa40 [ 523.234032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 523.234032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.234032][ T10] netlink_rcv_skb+0x130/0x360 [ 523.234032][ T10] netlink_unicast+0x449/0x710 [ 523.234032][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.234032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.234032][ T10] ___sys_sendmsg+0xee/0x170 [ 523.234032][ T10] __sys_sendmsg+0xcd/0x170 [ 523.234032][ T10] do_syscall_64+0xc6/0x1e0 [ 523.234032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.234032][ T10] [ 523.236418][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 523.236418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 523.236418][ T10] ipv6_find_idev+0x102/0x170 [ 523.236418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.236418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.236418][ T10] netlink_rcv_skb+0x130/0x360 [ 523.236418][ T10] netlink_unicast+0x449/0x710 [ 523.236418][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.236418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.236418][ T10] ___sys_sendmsg+0xee/0x170 [ 523.236418][ T10] __sys_sendmsg+0xcd/0x170 [ 523.236418][ T10] do_syscall_64+0xc6/0x1e0 [ 523.236418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.236418][ T10] [ 523.238147][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 523.238147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 523.238147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 523.238147][ T10] ipv6_find_idev+0x102/0x170 [ 523.238147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 523.238147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 523.238147][ T10] netlink_rcv_skb+0x130/0x360 [ 523.238147][ T10] netlink_unicast+0x449/0x710 [ 523.238147][ T10] netlink_sendmsg+0x723/0xbe0 [ 523.238147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 523.238147][ T10] ___sys_sendmsg+0xee/0x170 [ 523.238147][ T10] __sys_sendmsg+0xcd/0x170 [ 523.238147][ T10] do_syscall_64+0xc6/0x1e0 [ 523.238147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 523.238147][ T10]