[ 655.019751][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 655.020115][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 655.020115][ T10] netdev_get_by_index+0x5e/0x80 [ 655.020115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 655.020115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.020115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 655.020115][ T10] ipv6_add_addr+0x411/0x2000 [ 655.020115][ T10] inet6_addr_add+0x30e/0xa40 [ 655.020115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.020115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.020115][ T10] netlink_rcv_skb+0x130/0x360 [ 655.020115][ T10] netlink_unicast+0x449/0x710 [ 655.020115][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.020115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.020115][ T10] ___sys_sendmsg+0xee/0x170 [ 655.020115][ T10] __sys_sendmsg+0xcd/0x170 [ 655.020115][ T10] do_syscall_64+0xc6/0x1e0 [ 655.020115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.020115][ T10] [ 655.022367][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 655.022367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.022367][ T10] ipv6_find_idev+0x102/0x170 [ 655.022367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.022367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.022367][ T10] netlink_rcv_skb+0x130/0x360 [ 655.022367][ T10] netlink_unicast+0x449/0x710 [ 655.022367][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.022367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.022367][ T10] ___sys_sendmsg+0xee/0x170 [ 655.022367][ T10] __sys_sendmsg+0xcd/0x170 [ 655.022367][ T10] do_syscall_64+0xc6/0x1e0 [ 655.022367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.022367][ T10] [ 655.024088][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 655.024088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.024088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.024088][ T10] ipv6_find_idev+0x102/0x170 [ 655.024088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.024088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.024088][ T10] netlink_rcv_skb+0x130/0x360 [ 655.024088][ T10] netlink_unicast+0x449/0x710 [ 655.024088][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.024088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.024088][ T10] ___sys_sendmsg+0xee/0x170 [ 655.024088][ T10] __sys_sendmsg+0xcd/0x170 [ 655.024088][ T10] do_syscall_64+0xc6/0x1e0 [ 655.024088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.024088][ T10] [ 655.025955][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 655.026241][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 655.026241][ T10] netdev_get_by_index+0x5e/0x80 [ 655.026241][ T10] fib6_nh_init+0x3d8/0x15b0 [ 655.026241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.026241][ T10] addrconf_f6i_alloc+0x244/0x410 [ 655.026241][ T10] ipv6_add_addr+0x411/0x2000 [ 655.026241][ T10] inet6_addr_add+0x30e/0xa40 [ 655.026241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.026241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.026241][ T10] netlink_rcv_skb+0x130/0x360 [ 655.026241][ T10] netlink_unicast+0x449/0x710 [ 655.026241][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.026241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.026241][ T10] ___sys_sendmsg+0xee/0x170 [ 655.026241][ T10] __sys_sendmsg+0xcd/0x170 [ 655.026241][ T10] do_syscall_64+0xc6/0x1e0 [ 655.026241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.026241][ T10] [ 655.028453][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 655.028453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.028453][ T10] ipv6_find_idev+0x102/0x170 [ 655.028453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.028453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.028453][ T10] netlink_rcv_skb+0x130/0x360 [ 655.028453][ T10] netlink_unicast+0x449/0x710 [ 655.028453][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.028453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.028453][ T10] ___sys_sendmsg+0xee/0x170 [ 655.028453][ T10] __sys_sendmsg+0xcd/0x170 [ 655.028453][ T10] do_syscall_64+0xc6/0x1e0 [ 655.028453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.028453][ T10] [ 655.030145][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 655.030145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.030145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.030145][ T10] ipv6_find_idev+0x102/0x170 [ 655.030145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.030145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.030145][ T10] netlink_rcv_skb+0x130/0x360 [ 655.030145][ T10] netlink_unicast+0x449/0x710 [ 655.030145][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.030145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.030145][ T10] ___sys_sendmsg+0xee/0x170 [ 655.030145][ T10] __sys_sendmsg+0xcd/0x170 [ 655.030145][ T10] do_syscall_64+0xc6/0x1e0 [ 655.030145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.030145][ T10] [ 655.031989][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 655.032276][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 655.032276][ T10] netdev_get_by_index+0x5e/0x80 [ 655.032276][ T10] fib6_nh_init+0x3d8/0x15b0 [ 655.032276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.032276][ T10] addrconf_f6i_alloc+0x244/0x410 [ 655.032276][ T10] ipv6_add_addr+0x411/0x2000 [ 655.032276][ T10] inet6_addr_add+0x30e/0xa40 [ 655.032276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.032276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.032276][ T10] netlink_rcv_skb+0x130/0x360 [ 655.032276][ T10] netlink_unicast+0x449/0x710 [ 655.032276][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.032276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.032276][ T10] ___sys_sendmsg+0xee/0x170 [ 655.032276][ T10] __sys_sendmsg+0xcd/0x170 [ 655.032276][ T10] do_syscall_64+0xc6/0x1e0 [ 655.032276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.032276][ T10] [ 655.034542][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 655.034542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.034542][ T10] ipv6_find_idev+0x102/0x170 [ 655.034542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.034542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.034542][ T10] netlink_rcv_skb+0x130/0x360 [ 655.034542][ T10] netlink_unicast+0x449/0x710 [ 655.034542][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.034542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.034542][ T10] ___sys_sendmsg+0xee/0x170 [ 655.034542][ T10] __sys_sendmsg+0xcd/0x170 [ 655.034542][ T10] do_syscall_64+0xc6/0x1e0 [ 655.034542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.034542][ T10] [ 655.036281][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 655.036281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.036281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.036281][ T10] ipv6_find_idev+0x102/0x170 [ 655.036281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.036281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.036281][ T10] netlink_rcv_skb+0x130/0x360 [ 655.036281][ T10] netlink_unicast+0x449/0x710 [ 655.036281][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.036281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.036281][ T10] ___sys_sendmsg+0xee/0x170 [ 655.036281][ T10] __sys_sendmsg+0xcd/0x170 [ 655.036281][ T10] do_syscall_64+0xc6/0x1e0 [ 655.036281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.036281][ T10] [ 655.038301][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 655.039187][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 655.039187][ T10] netdev_get_by_index+0x5e/0x80 [ 655.039187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 655.039187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.039187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 655.039187][ T10] ipv6_add_addr+0x411/0x2000 [ 655.039187][ T10] inet6_addr_add+0x30e/0xa40 [ 655.039187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.039187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.039187][ T10] netlink_rcv_skb+0x130/0x360 [ 655.039187][ T10] netlink_unicast+0x449/0x710 [ 655.039187][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.039187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.039187][ T10] ___sys_sendmsg+0xee/0x170 [ 655.039187][ T10] __sys_sendmsg+0xcd/0x170 [ 655.039187][ T10] do_syscall_64+0xc6/0x1e0 [ 655.039187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.039187][ T10] [ 655.041391][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 655.041391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.041391][ T10] ipv6_find_idev+0x102/0x170 [ 655.041391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.041391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.041391][ T10] netlink_rcv_skb+0x130/0x360 [ 655.041391][ T10] netlink_unicast+0x449/0x710 [ 655.041391][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.041391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.041391][ T10] ___sys_sendmsg+0xee/0x170 [ 655.041391][ T10] __sys_sendmsg+0xcd/0x170 [ 655.041391][ T10] do_syscall_64+0xc6/0x1e0 [ 655.041391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.041391][ T10] [ 655.043109][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 655.043109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.043109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.043109][ T10] ipv6_find_idev+0x102/0x170 [ 655.043109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.043109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.043109][ T10] netlink_rcv_skb+0x130/0x360 [ 655.043109][ T10] netlink_unicast+0x449/0x710 [ 655.043109][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.043109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.043109][ T10] ___sys_sendmsg+0xee/0x170 [ 655.043109][ T10] __sys_sendmsg+0xcd/0x170 [ 655.043109][ T10] do_syscall_64+0xc6/0x1e0 [ 655.043109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.043109][ T10] [ 655.045025][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 655.045310][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 655.045310][ T10] netdev_get_by_index+0x5e/0x80 [ 655.045310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 655.045310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.045310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 655.045310][ T10] ipv6_add_addr+0x411/0x2000 [ 655.045310][ T10] inet6_addr_add+0x30e/0xa40 [ 655.045310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.045310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.045310][ T10] netlink_rcv_skb+0x130/0x360 [ 655.045310][ T10] netlink_unicast+0x449/0x710 [ 655.045310][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.045310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.045310][ T10] ___sys_sendmsg+0xee/0x170 [ 655.045310][ T10] __sys_sendmsg+0xcd/0x170 [ 655.045310][ T10] do_syscall_64+0xc6/0x1e0 [ 655.045310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.045310][ T10] [ 655.047515][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 655.047515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.047515][ T10] ipv6_find_idev+0x102/0x170 [ 655.047515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.047515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.047515][ T10] netlink_rcv_skb+0x130/0x360 [ 655.047515][ T10] netlink_unicast+0x449/0x710 [ 655.047515][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.047515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.047515][ T10] ___sys_sendmsg+0xee/0x170 [ 655.047515][ T10] __sys_sendmsg+0xcd/0x170 [ 655.047515][ T10] do_syscall_64+0xc6/0x1e0 [ 655.047515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.047515][ T10] [ 655.049226][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 655.049226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.049226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.049226][ T10] ipv6_find_idev+0x102/0x170 [ 655.049226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.049226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.049226][ T10] netlink_rcv_skb+0x130/0x360 [ 655.049226][ T10] netlink_unicast+0x449/0x710 [ 655.049226][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.049226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.049226][ T10] ___sys_sendmsg+0xee/0x170 [ 655.049226][ T10] __sys_sendmsg+0xcd/0x170 [ 655.049226][ T10] do_syscall_64+0xc6/0x1e0 [ 655.049226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.049226][ T10] [ 655.051131][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 655.051423][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 655.051423][ T10] netdev_get_by_index+0x5e/0x80 [ 655.051423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 655.051423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.051423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 655.051423][ T10] ipv6_add_addr+0x411/0x2000 [ 655.051423][ T10] inet6_addr_add+0x30e/0xa40 [ 655.051423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.051423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.051423][ T10] netlink_rcv_skb+0x130/0x360 [ 655.051423][ T10] netlink_unicast+0x449/0x710 [ 655.051423][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.051423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.051423][ T10] ___sys_sendmsg+0xee/0x170 [ 655.051423][ T10] __sys_sendmsg+0xcd/0x170 [ 655.051423][ T10] do_syscall_64+0xc6/0x1e0 [ 655.051423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.051423][ T10] [ 655.053669][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 655.053669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.053669][ T10] ipv6_find_idev+0x102/0x170 [ 655.053669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.053669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.053669][ T10] netlink_rcv_skb+0x130/0x360 [ 655.053669][ T10] netlink_unicast+0x449/0x710 [ 655.053669][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.053669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.053669][ T10] ___sys_sendmsg+0xee/0x170 [ 655.053669][ T10] __sys_sendmsg+0xcd/0x170 [ 655.053669][ T10] do_syscall_64+0xc6/0x1e0 [ 655.053669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.053669][ T10] [ 655.055484][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 655.055484][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.055484][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.055484][ T10] ipv6_find_idev+0x102/0x170 [ 655.055484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.055484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.055484][ T10] netlink_rcv_skb+0x130/0x360 [ 655.055484][ T10] netlink_unicast+0x449/0x710 [ 655.055484][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.055484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.055484][ T10] ___sys_sendmsg+0xee/0x170 [ 655.055484][ T10] __sys_sendmsg+0xcd/0x170 [ 655.055484][ T10] do_syscall_64+0xc6/0x1e0 [ 655.055484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.055484][ T10] [ 655.057687][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 655.058044][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 655.058044][ T10] netdev_get_by_index+0x5e/0x80 [ 655.058044][ T10] fib6_nh_init+0x3d8/0x15b0 [ 655.058044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.058044][ T10] addrconf_f6i_alloc+0x244/0x410 [ 655.058044][ T10] ipv6_add_addr+0x411/0x2000 [ 655.058044][ T10] inet6_addr_add+0x30e/0xa40 [ 655.058044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.058044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.058044][ T10] netlink_rcv_skb+0x130/0x360 [ 655.058044][ T10] netlink_unicast+0x449/0x710 [ 655.058044][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.058044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.058044][ T10] ___sys_sendmsg+0xee/0x170 [ 655.058044][ T10] __sys_sendmsg+0xcd/0x170 [ 655.058044][ T10] do_syscall_64+0xc6/0x1e0 [ 655.058044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.058044][ T10] [ 655.060645][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 655.060645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.060645][ T10] ipv6_find_idev+0x102/0x170 [ 655.060645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.060645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.060645][ T10] netlink_rcv_skb+0x130/0x360 [ 655.060645][ T10] netlink_unicast+0x449/0x710 [ 655.060645][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.060645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.060645][ T10] ___sys_sendmsg+0xee/0x170 [ 655.060645][ T10] __sys_sendmsg+0xcd/0x170 [ 655.060645][ T10] do_syscall_64+0xc6/0x1e0 [ 655.060645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.060645][ T10] [ 655.062492][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 655.062492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.062492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.062492][ T10] ipv6_find_idev+0x102/0x170 [ 655.062492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.062492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.062492][ T10] netlink_rcv_skb+0x130/0x360 [ 655.062492][ T10] netlink_unicast+0x449/0x710 [ 655.062492][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.062492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.062492][ T10] ___sys_sendmsg+0xee/0x170 [ 655.062492][ T10] __sys_sendmsg+0xcd/0x170 [ 655.062492][ T10] do_syscall_64+0xc6/0x1e0 [ 655.062492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.062492][ T10] [ 655.064603][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 655.064948][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 655.064948][ T10] netdev_get_by_index+0x5e/0x80 [ 655.064948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 655.064948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 655.064948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 655.064948][ T10] ipv6_add_addr+0x411/0x2000 [ 655.064948][ T10] inet6_addr_add+0x30e/0xa40 [ 655.064948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 655.064948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.064948][ T10] netlink_rcv_skb+0x130/0x360 [ 655.064948][ T10] netlink_unicast+0x449/0x710 [ 655.064948][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.064948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.064948][ T10] ___sys_sendmsg+0xee/0x170 [ 655.064948][ T10] __sys_sendmsg+0xcd/0x170 [ 655.064948][ T10] do_syscall_64+0xc6/0x1e0 [ 655.064948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.064948][ T10] [ 655.067155][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 655.067155][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 655.067155][ T10] ipv6_find_idev+0x102/0x170 [ 655.067155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.067155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.067155][ T10] netlink_rcv_skb+0x130/0x360 [ 655.067155][ T10] netlink_unicast+0x449/0x710 [ 655.067155][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.067155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.067155][ T10] ___sys_sendmsg+0xee/0x170 [ 655.067155][ T10] __sys_sendmsg+0xcd/0x170 [ 655.067155][ T10] do_syscall_64+0xc6/0x1e0 [ 655.067155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.067155][ T10] [ 655.068868][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 655.068868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 655.068868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 655.068868][ T10] ipv6_find_idev+0x102/0x170 [ 655.068868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 655.068868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 655.068868][ T10] netlink_rcv_skb+0x130/0x360 [ 655.068868][ T10] netlink_unicast+0x449/0x710 [ 655.068868][ T10] netlink_sendmsg+0x723/0xbe0 [ 655.068868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 655.068868][ T10] ___sys_sendmsg+0xee/0x170 [ 655.068868][ T10] __sys_sendmsg+0xcd/0x170 [ 655.068868][ T10] do_syscall_64+0xc6/0x1e0 [ 655.068868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 655.068868][ T10] [ 665.195722][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 665.196064][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 665.196064][ T10] netdev_get_by_index+0x5e/0x80 [ 665.196064][ T10] fib6_nh_init+0x3d8/0x15b0 [ 665.196064][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.196064][ T10] addrconf_f6i_alloc+0x244/0x410 [ 665.196064][ T10] ipv6_add_addr+0x411/0x2000 [ 665.196064][ T10] inet6_addr_add+0x30e/0xa40 [ 665.196064][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.196064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.196064][ T10] netlink_rcv_skb+0x130/0x360 [ 665.196064][ T10] netlink_unicast+0x449/0x710 [ 665.196064][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.196064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.196064][ T10] ___sys_sendmsg+0xee/0x170 [ 665.196064][ T10] __sys_sendmsg+0xcd/0x170 [ 665.196064][ T10] do_syscall_64+0xc6/0x1e0 [ 665.196064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.196064][ T10] [ 665.198297][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 665.198297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.198297][ T10] ipv6_find_idev+0x102/0x170 [ 665.198297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.198297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.198297][ T10] netlink_rcv_skb+0x130/0x360 [ 665.198297][ T10] netlink_unicast+0x449/0x710 [ 665.198297][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.198297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.198297][ T10] ___sys_sendmsg+0xee/0x170 [ 665.198297][ T10] __sys_sendmsg+0xcd/0x170 [ 665.198297][ T10] do_syscall_64+0xc6/0x1e0 [ 665.198297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.198297][ T10] [ 665.200008][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 665.200008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.200008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.200008][ T10] ipv6_find_idev+0x102/0x170 [ 665.200008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.200008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.200008][ T10] netlink_rcv_skb+0x130/0x360 [ 665.200008][ T10] netlink_unicast+0x449/0x710 [ 665.200008][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.200008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.200008][ T10] ___sys_sendmsg+0xee/0x170 [ 665.200008][ T10] __sys_sendmsg+0xcd/0x170 [ 665.200008][ T10] do_syscall_64+0xc6/0x1e0 [ 665.200008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.200008][ T10] [ 665.202358][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 665.202653][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 665.202653][ T10] netdev_get_by_index+0x5e/0x80 [ 665.202653][ T10] fib6_nh_init+0x3d8/0x15b0 [ 665.202653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.202653][ T10] addrconf_f6i_alloc+0x244/0x410 [ 665.202653][ T10] ipv6_add_addr+0x411/0x2000 [ 665.202653][ T10] inet6_addr_add+0x30e/0xa40 [ 665.202653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.202653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.202653][ T10] netlink_rcv_skb+0x130/0x360 [ 665.202653][ T10] netlink_unicast+0x449/0x710 [ 665.202653][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.202653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.202653][ T10] ___sys_sendmsg+0xee/0x170 [ 665.202653][ T10] __sys_sendmsg+0xcd/0x170 [ 665.202653][ T10] do_syscall_64+0xc6/0x1e0 [ 665.202653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.202653][ T10] [ 665.204850][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 665.204850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.204850][ T10] ipv6_find_idev+0x102/0x170 [ 665.204850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.204850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.204850][ T10] netlink_rcv_skb+0x130/0x360 [ 665.204850][ T10] netlink_unicast+0x449/0x710 [ 665.204850][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.204850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.204850][ T10] ___sys_sendmsg+0xee/0x170 [ 665.204850][ T10] __sys_sendmsg+0xcd/0x170 [ 665.204850][ T10] do_syscall_64+0xc6/0x1e0 [ 665.204850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.204850][ T10] [ 665.206587][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 665.206587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.206587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.206587][ T10] ipv6_find_idev+0x102/0x170 [ 665.206587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.206587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.206587][ T10] netlink_rcv_skb+0x130/0x360 [ 665.206587][ T10] netlink_unicast+0x449/0x710 [ 665.206587][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.206587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.206587][ T10] ___sys_sendmsg+0xee/0x170 [ 665.206587][ T10] __sys_sendmsg+0xcd/0x170 [ 665.206587][ T10] do_syscall_64+0xc6/0x1e0 [ 665.206587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.206587][ T10] [ 665.208424][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 665.208718][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 665.208718][ T10] netdev_get_by_index+0x5e/0x80 [ 665.208718][ T10] fib6_nh_init+0x3d8/0x15b0 [ 665.208718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.208718][ T10] addrconf_f6i_alloc+0x244/0x410 [ 665.208718][ T10] ipv6_add_addr+0x411/0x2000 [ 665.208718][ T10] inet6_addr_add+0x30e/0xa40 [ 665.208718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.208718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.208718][ T10] netlink_rcv_skb+0x130/0x360 [ 665.208718][ T10] netlink_unicast+0x449/0x710 [ 665.208718][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.208718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.208718][ T10] ___sys_sendmsg+0xee/0x170 [ 665.208718][ T10] __sys_sendmsg+0xcd/0x170 [ 665.208718][ T10] do_syscall_64+0xc6/0x1e0 [ 665.208718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.208718][ T10] [ 665.210925][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 665.210925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.210925][ T10] ipv6_find_idev+0x102/0x170 [ 665.210925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.210925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.210925][ T10] netlink_rcv_skb+0x130/0x360 [ 665.210925][ T10] netlink_unicast+0x449/0x710 [ 665.210925][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.210925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.210925][ T10] ___sys_sendmsg+0xee/0x170 [ 665.210925][ T10] __sys_sendmsg+0xcd/0x170 [ 665.210925][ T10] do_syscall_64+0xc6/0x1e0 [ 665.210925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.210925][ T10] [ 665.212612][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 665.212612][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.212612][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.212612][ T10] ipv6_find_idev+0x102/0x170 [ 665.212612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.212612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.212612][ T10] netlink_rcv_skb+0x130/0x360 [ 665.212612][ T10] netlink_unicast+0x449/0x710 [ 665.212612][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.212612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.212612][ T10] ___sys_sendmsg+0xee/0x170 [ 665.212612][ T10] __sys_sendmsg+0xcd/0x170 [ 665.212612][ T10] do_syscall_64+0xc6/0x1e0 [ 665.212612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.212612][ T10] [ 665.214894][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 665.215180][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 665.215180][ T10] netdev_get_by_index+0x5e/0x80 [ 665.215180][ T10] fib6_nh_init+0x3d8/0x15b0 [ 665.215180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.215180][ T10] addrconf_f6i_alloc+0x244/0x410 [ 665.215180][ T10] ipv6_add_addr+0x411/0x2000 [ 665.215180][ T10] inet6_addr_add+0x30e/0xa40 [ 665.215180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.215180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.215180][ T10] netlink_rcv_skb+0x130/0x360 [ 665.215180][ T10] netlink_unicast+0x449/0x710 [ 665.215180][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.215180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.215180][ T10] ___sys_sendmsg+0xee/0x170 [ 665.215180][ T10] __sys_sendmsg+0xcd/0x170 [ 665.215180][ T10] do_syscall_64+0xc6/0x1e0 [ 665.215180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.215180][ T10] [ 665.217428][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 665.217428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.217428][ T10] ipv6_find_idev+0x102/0x170 [ 665.217428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.217428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.217428][ T10] netlink_rcv_skb+0x130/0x360 [ 665.217428][ T10] netlink_unicast+0x449/0x710 [ 665.217428][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.217428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.217428][ T10] ___sys_sendmsg+0xee/0x170 [ 665.217428][ T10] __sys_sendmsg+0xcd/0x170 [ 665.217428][ T10] do_syscall_64+0xc6/0x1e0 [ 665.217428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.217428][ T10] [ 665.219121][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 665.219121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.219121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.219121][ T10] ipv6_find_idev+0x102/0x170 [ 665.219121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.219121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.219121][ T10] netlink_rcv_skb+0x130/0x360 [ 665.219121][ T10] netlink_unicast+0x449/0x710 [ 665.219121][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.219121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.219121][ T10] ___sys_sendmsg+0xee/0x170 [ 665.219121][ T10] __sys_sendmsg+0xcd/0x170 [ 665.219121][ T10] do_syscall_64+0xc6/0x1e0 [ 665.219121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.219121][ T10] [ 665.221175][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 665.221529][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 665.221529][ T10] netdev_get_by_index+0x5e/0x80 [ 665.221529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 665.221529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.221529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 665.221529][ T10] ipv6_add_addr+0x411/0x2000 [ 665.221529][ T10] inet6_addr_add+0x30e/0xa40 [ 665.221529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.221529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.221529][ T10] netlink_rcv_skb+0x130/0x360 [ 665.221529][ T10] netlink_unicast+0x449/0x710 [ 665.221529][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.221529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.221529][ T10] ___sys_sendmsg+0xee/0x170 [ 665.221529][ T10] __sys_sendmsg+0xcd/0x170 [ 665.221529][ T10] do_syscall_64+0xc6/0x1e0 [ 665.221529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.221529][ T10] [ 665.223926][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 665.223926][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.223926][ T10] ipv6_find_idev+0x102/0x170 [ 665.223926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.223926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.223926][ T10] netlink_rcv_skb+0x130/0x360 [ 665.223926][ T10] netlink_unicast+0x449/0x710 [ 665.223926][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.223926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.223926][ T10] ___sys_sendmsg+0xee/0x170 [ 665.223926][ T10] __sys_sendmsg+0xcd/0x170 [ 665.223926][ T10] do_syscall_64+0xc6/0x1e0 [ 665.223926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.223926][ T10] [ 665.225828][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 665.225828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.225828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.225828][ T10] ipv6_find_idev+0x102/0x170 [ 665.225828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.225828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.225828][ T10] netlink_rcv_skb+0x130/0x360 [ 665.225828][ T10] netlink_unicast+0x449/0x710 [ 665.225828][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.225828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.225828][ T10] ___sys_sendmsg+0xee/0x170 [ 665.225828][ T10] __sys_sendmsg+0xcd/0x170 [ 665.225828][ T10] do_syscall_64+0xc6/0x1e0 [ 665.225828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.225828][ T10] [ 665.227910][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 665.228201][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 665.228201][ T10] netdev_get_by_index+0x5e/0x80 [ 665.228201][ T10] fib6_nh_init+0x3d8/0x15b0 [ 665.228201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.228201][ T10] addrconf_f6i_alloc+0x244/0x410 [ 665.228201][ T10] ipv6_add_addr+0x411/0x2000 [ 665.228201][ T10] inet6_addr_add+0x30e/0xa40 [ 665.228201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.228201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.228201][ T10] netlink_rcv_skb+0x130/0x360 [ 665.228201][ T10] netlink_unicast+0x449/0x710 [ 665.228201][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.228201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.228201][ T10] ___sys_sendmsg+0xee/0x170 [ 665.228201][ T10] __sys_sendmsg+0xcd/0x170 [ 665.228201][ T10] do_syscall_64+0xc6/0x1e0 [ 665.228201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.228201][ T10] [ 665.230463][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 665.230463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.230463][ T10] ipv6_find_idev+0x102/0x170 [ 665.230463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.230463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.230463][ T10] netlink_rcv_skb+0x130/0x360 [ 665.230463][ T10] netlink_unicast+0x449/0x710 [ 665.230463][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.230463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.230463][ T10] ___sys_sendmsg+0xee/0x170 [ 665.230463][ T10] __sys_sendmsg+0xcd/0x170 [ 665.230463][ T10] do_syscall_64+0xc6/0x1e0 [ 665.230463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.230463][ T10] [ 665.232419][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 665.232419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.232419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.232419][ T10] ipv6_find_idev+0x102/0x170 [ 665.232419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.232419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.232419][ T10] netlink_rcv_skb+0x130/0x360 [ 665.232419][ T10] netlink_unicast+0x449/0x710 [ 665.232419][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.232419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.232419][ T10] ___sys_sendmsg+0xee/0x170 [ 665.232419][ T10] __sys_sendmsg+0xcd/0x170 [ 665.232419][ T10] do_syscall_64+0xc6/0x1e0 [ 665.232419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.232419][ T10] [ 665.234588][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 665.234932][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 665.234932][ T10] netdev_get_by_index+0x5e/0x80 [ 665.234932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 665.234932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.234932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 665.234932][ T10] ipv6_add_addr+0x411/0x2000 [ 665.234932][ T10] inet6_addr_add+0x30e/0xa40 [ 665.234932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.234932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.234932][ T10] netlink_rcv_skb+0x130/0x360 [ 665.234932][ T10] netlink_unicast+0x449/0x710 [ 665.234932][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.234932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.234932][ T10] ___sys_sendmsg+0xee/0x170 [ 665.234932][ T10] __sys_sendmsg+0xcd/0x170 [ 665.234932][ T10] do_syscall_64+0xc6/0x1e0 [ 665.234932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.234932][ T10] [ 665.237152][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 665.237152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.237152][ T10] ipv6_find_idev+0x102/0x170 [ 665.237152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.237152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.237152][ T10] netlink_rcv_skb+0x130/0x360 [ 665.237152][ T10] netlink_unicast+0x449/0x710 [ 665.237152][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.237152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.237152][ T10] ___sys_sendmsg+0xee/0x170 [ 665.237152][ T10] __sys_sendmsg+0xcd/0x170 [ 665.237152][ T10] do_syscall_64+0xc6/0x1e0 [ 665.237152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.237152][ T10] [ 665.238999][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 665.238999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.238999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.238999][ T10] ipv6_find_idev+0x102/0x170 [ 665.238999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.238999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.238999][ T10] netlink_rcv_skb+0x130/0x360 [ 665.238999][ T10] netlink_unicast+0x449/0x710 [ 665.238999][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.238999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.238999][ T10] ___sys_sendmsg+0xee/0x170 [ 665.238999][ T10] __sys_sendmsg+0xcd/0x170 [ 665.238999][ T10] do_syscall_64+0xc6/0x1e0 [ 665.238999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.238999][ T10] [ 665.240965][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 665.241250][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 665.241250][ T10] netdev_get_by_index+0x5e/0x80 [ 665.241250][ T10] fib6_nh_init+0x3d8/0x15b0 [ 665.241250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 665.241250][ T10] addrconf_f6i_alloc+0x244/0x410 [ 665.241250][ T10] ipv6_add_addr+0x411/0x2000 [ 665.241250][ T10] inet6_addr_add+0x30e/0xa40 [ 665.241250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 665.241250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.241250][ T10] netlink_rcv_skb+0x130/0x360 [ 665.241250][ T10] netlink_unicast+0x449/0x710 [ 665.241250][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.241250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.241250][ T10] ___sys_sendmsg+0xee/0x170 [ 665.241250][ T10] __sys_sendmsg+0xcd/0x170 [ 665.241250][ T10] do_syscall_64+0xc6/0x1e0 [ 665.241250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.241250][ T10] [ 665.243534][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 665.243534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 665.243534][ T10] ipv6_find_idev+0x102/0x170 [ 665.243534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.243534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.243534][ T10] netlink_rcv_skb+0x130/0x360 [ 665.243534][ T10] netlink_unicast+0x449/0x710 [ 665.243534][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.243534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.243534][ T10] ___sys_sendmsg+0xee/0x170 [ 665.243534][ T10] __sys_sendmsg+0xcd/0x170 [ 665.243534][ T10] do_syscall_64+0xc6/0x1e0 [ 665.243534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.243534][ T10] [ 665.245252][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 665.245252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 665.245252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 665.245252][ T10] ipv6_find_idev+0x102/0x170 [ 665.245252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 665.245252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 665.245252][ T10] netlink_rcv_skb+0x130/0x360 [ 665.245252][ T10] netlink_unicast+0x449/0x710 [ 665.245252][ T10] netlink_sendmsg+0x723/0xbe0 [ 665.245252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 665.245252][ T10] ___sys_sendmsg+0xee/0x170 [ 665.245252][ T10] __sys_sendmsg+0xcd/0x170 [ 665.245252][ T10] do_syscall_64+0xc6/0x1e0 [ 665.245252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 665.245252][ T10] [ 675.315761][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 675.316277][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 675.316277][ T10] netdev_get_by_index+0x5e/0x80 [ 675.316277][ T10] fib6_nh_init+0x3d8/0x15b0 [ 675.316277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.316277][ T10] addrconf_f6i_alloc+0x244/0x410 [ 675.316277][ T10] ipv6_add_addr+0x411/0x2000 [ 675.316277][ T10] inet6_addr_add+0x30e/0xa40 [ 675.316277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.316277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.316277][ T10] netlink_rcv_skb+0x130/0x360 [ 675.316277][ T10] netlink_unicast+0x449/0x710 [ 675.316277][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.316277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.316277][ T10] ___sys_sendmsg+0xee/0x170 [ 675.316277][ T10] __sys_sendmsg+0xcd/0x170 [ 675.316277][ T10] do_syscall_64+0xc6/0x1e0 [ 675.316277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.316277][ T10] [ 675.318636][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 675.318636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.318636][ T10] ipv6_find_idev+0x102/0x170 [ 675.318636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.318636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.318636][ T10] netlink_rcv_skb+0x130/0x360 [ 675.318636][ T10] netlink_unicast+0x449/0x710 [ 675.318636][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.318636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.318636][ T10] ___sys_sendmsg+0xee/0x170 [ 675.318636][ T10] __sys_sendmsg+0xcd/0x170 [ 675.318636][ T10] do_syscall_64+0xc6/0x1e0 [ 675.318636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.318636][ T10] [ 675.320416][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 675.320416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.320416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.320416][ T10] ipv6_find_idev+0x102/0x170 [ 675.320416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.320416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.320416][ T10] netlink_rcv_skb+0x130/0x360 [ 675.320416][ T10] netlink_unicast+0x449/0x710 [ 675.320416][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.320416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.320416][ T10] ___sys_sendmsg+0xee/0x170 [ 675.320416][ T10] __sys_sendmsg+0xcd/0x170 [ 675.320416][ T10] do_syscall_64+0xc6/0x1e0 [ 675.320416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.320416][ T10] [ 675.322350][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 675.322661][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 675.322661][ T10] netdev_get_by_index+0x5e/0x80 [ 675.322661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 675.322661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.322661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 675.322661][ T10] ipv6_add_addr+0x411/0x2000 [ 675.322661][ T10] inet6_addr_add+0x30e/0xa40 [ 675.322661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.322661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.322661][ T10] netlink_rcv_skb+0x130/0x360 [ 675.322661][ T10] netlink_unicast+0x449/0x710 [ 675.322661][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.322661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.322661][ T10] ___sys_sendmsg+0xee/0x170 [ 675.322661][ T10] __sys_sendmsg+0xcd/0x170 [ 675.322661][ T10] do_syscall_64+0xc6/0x1e0 [ 675.322661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.322661][ T10] [ 675.324971][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 675.324971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.324971][ T10] ipv6_find_idev+0x102/0x170 [ 675.324971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.324971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.324971][ T10] netlink_rcv_skb+0x130/0x360 [ 675.324971][ T10] netlink_unicast+0x449/0x710 [ 675.324971][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.324971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.324971][ T10] ___sys_sendmsg+0xee/0x170 [ 675.324971][ T10] __sys_sendmsg+0xcd/0x170 [ 675.324971][ T10] do_syscall_64+0xc6/0x1e0 [ 675.324971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.324971][ T10] [ 675.326752][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 675.326752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.326752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.326752][ T10] ipv6_find_idev+0x102/0x170 [ 675.326752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.326752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.326752][ T10] netlink_rcv_skb+0x130/0x360 [ 675.326752][ T10] netlink_unicast+0x449/0x710 [ 675.326752][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.326752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.326752][ T10] ___sys_sendmsg+0xee/0x170 [ 675.326752][ T10] __sys_sendmsg+0xcd/0x170 [ 675.326752][ T10] do_syscall_64+0xc6/0x1e0 [ 675.326752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.326752][ T10] [ 675.328672][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 675.328971][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 675.328971][ T10] netdev_get_by_index+0x5e/0x80 [ 675.328971][ T10] fib6_nh_init+0x3d8/0x15b0 [ 675.328971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.328971][ T10] addrconf_f6i_alloc+0x244/0x410 [ 675.328971][ T10] ipv6_add_addr+0x411/0x2000 [ 675.328971][ T10] inet6_addr_add+0x30e/0xa40 [ 675.328971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.328971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.328971][ T10] netlink_rcv_skb+0x130/0x360 [ 675.328971][ T10] netlink_unicast+0x449/0x710 [ 675.328971][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.328971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.328971][ T10] ___sys_sendmsg+0xee/0x170 [ 675.328971][ T10] __sys_sendmsg+0xcd/0x170 [ 675.328971][ T10] do_syscall_64+0xc6/0x1e0 [ 675.328971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.328971][ T10] [ 675.331256][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 675.331256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.331256][ T10] ipv6_find_idev+0x102/0x170 [ 675.331256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.331256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.331256][ T10] netlink_rcv_skb+0x130/0x360 [ 675.331256][ T10] netlink_unicast+0x449/0x710 [ 675.331256][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.331256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.331256][ T10] ___sys_sendmsg+0xee/0x170 [ 675.331256][ T10] __sys_sendmsg+0xcd/0x170 [ 675.331256][ T10] do_syscall_64+0xc6/0x1e0 [ 675.331256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.331256][ T10] [ 675.333028][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 675.333028][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.333028][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.333028][ T10] ipv6_find_idev+0x102/0x170 [ 675.333028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.333028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.333028][ T10] netlink_rcv_skb+0x130/0x360 [ 675.333028][ T10] netlink_unicast+0x449/0x710 [ 675.333028][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.333028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.333028][ T10] ___sys_sendmsg+0xee/0x170 [ 675.333028][ T10] __sys_sendmsg+0xcd/0x170 [ 675.333028][ T10] do_syscall_64+0xc6/0x1e0 [ 675.333028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.333028][ T10] [ 675.334975][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 675.335269][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 675.335269][ T10] netdev_get_by_index+0x5e/0x80 [ 675.335269][ T10] fib6_nh_init+0x3d8/0x15b0 [ 675.335269][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.335269][ T10] addrconf_f6i_alloc+0x244/0x410 [ 675.335269][ T10] ipv6_add_addr+0x411/0x2000 [ 675.335269][ T10] inet6_addr_add+0x30e/0xa40 [ 675.335269][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.335269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.335269][ T10] netlink_rcv_skb+0x130/0x360 [ 675.335269][ T10] netlink_unicast+0x449/0x710 [ 675.335269][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.335269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.335269][ T10] ___sys_sendmsg+0xee/0x170 [ 675.335269][ T10] __sys_sendmsg+0xcd/0x170 [ 675.335269][ T10] do_syscall_64+0xc6/0x1e0 [ 675.335269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.335269][ T10] [ 675.337581][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 675.337581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.337581][ T10] ipv6_find_idev+0x102/0x170 [ 675.337581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.337581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.337581][ T10] netlink_rcv_skb+0x130/0x360 [ 675.337581][ T10] netlink_unicast+0x449/0x710 [ 675.337581][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.337581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.337581][ T10] ___sys_sendmsg+0xee/0x170 [ 675.337581][ T10] __sys_sendmsg+0xcd/0x170 [ 675.337581][ T10] do_syscall_64+0xc6/0x1e0 [ 675.337581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.337581][ T10] [ 675.339297][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 675.339297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.339297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.339297][ T10] ipv6_find_idev+0x102/0x170 [ 675.339297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.339297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.339297][ T10] netlink_rcv_skb+0x130/0x360 [ 675.339297][ T10] netlink_unicast+0x449/0x710 [ 675.339297][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.339297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.339297][ T10] ___sys_sendmsg+0xee/0x170 [ 675.339297][ T10] __sys_sendmsg+0xcd/0x170 [ 675.339297][ T10] do_syscall_64+0xc6/0x1e0 [ 675.339297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.339297][ T10] [ 675.341555][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 675.342188][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 675.342188][ T10] netdev_get_by_index+0x5e/0x80 [ 675.342188][ T10] fib6_nh_init+0x3d8/0x15b0 [ 675.342188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.342188][ T10] addrconf_f6i_alloc+0x244/0x410 [ 675.342188][ T10] ipv6_add_addr+0x411/0x2000 [ 675.342188][ T10] inet6_addr_add+0x30e/0xa40 [ 675.342188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.342188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.342188][ T10] netlink_rcv_skb+0x130/0x360 [ 675.342188][ T10] netlink_unicast+0x449/0x710 [ 675.342188][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.342188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.342188][ T10] ___sys_sendmsg+0xee/0x170 [ 675.342188][ T10] __sys_sendmsg+0xcd/0x170 [ 675.342188][ T10] do_syscall_64+0xc6/0x1e0 [ 675.342188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.342188][ T10] [ 675.344378][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 675.344378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.344378][ T10] ipv6_find_idev+0x102/0x170 [ 675.344378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.344378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.344378][ T10] netlink_rcv_skb+0x130/0x360 [ 675.344378][ T10] netlink_unicast+0x449/0x710 [ 675.344378][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.344378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.344378][ T10] ___sys_sendmsg+0xee/0x170 [ 675.344378][ T10] __sys_sendmsg+0xcd/0x170 [ 675.344378][ T10] do_syscall_64+0xc6/0x1e0 [ 675.344378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.344378][ T10] [ 675.346076][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 675.346076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.346076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.346076][ T10] ipv6_find_idev+0x102/0x170 [ 675.346076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.346076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.346076][ T10] netlink_rcv_skb+0x130/0x360 [ 675.346076][ T10] netlink_unicast+0x449/0x710 [ 675.346076][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.346076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.346076][ T10] ___sys_sendmsg+0xee/0x170 [ 675.346076][ T10] __sys_sendmsg+0xcd/0x170 [ 675.346076][ T10] do_syscall_64+0xc6/0x1e0 [ 675.346076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.346076][ T10] [ 675.347934][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 675.348227][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 675.348227][ T10] netdev_get_by_index+0x5e/0x80 [ 675.348227][ T10] fib6_nh_init+0x3d8/0x15b0 [ 675.348227][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.348227][ T10] addrconf_f6i_alloc+0x244/0x410 [ 675.348227][ T10] ipv6_add_addr+0x411/0x2000 [ 675.348227][ T10] inet6_addr_add+0x30e/0xa40 [ 675.348227][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.348227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.348227][ T10] netlink_rcv_skb+0x130/0x360 [ 675.348227][ T10] netlink_unicast+0x449/0x710 [ 675.348227][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.348227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.348227][ T10] ___sys_sendmsg+0xee/0x170 [ 675.348227][ T10] __sys_sendmsg+0xcd/0x170 [ 675.348227][ T10] do_syscall_64+0xc6/0x1e0 [ 675.348227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.348227][ T10] [ 675.350458][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 675.350458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.350458][ T10] ipv6_find_idev+0x102/0x170 [ 675.350458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.350458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.350458][ T10] netlink_rcv_skb+0x130/0x360 [ 675.350458][ T10] netlink_unicast+0x449/0x710 [ 675.350458][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.350458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.350458][ T10] ___sys_sendmsg+0xee/0x170 [ 675.350458][ T10] __sys_sendmsg+0xcd/0x170 [ 675.350458][ T10] do_syscall_64+0xc6/0x1e0 [ 675.350458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.350458][ T10] [ 675.352226][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 675.352226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.352226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.352226][ T10] ipv6_find_idev+0x102/0x170 [ 675.352226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.352226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.352226][ T10] netlink_rcv_skb+0x130/0x360 [ 675.352226][ T10] netlink_unicast+0x449/0x710 [ 675.352226][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.352226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.352226][ T10] ___sys_sendmsg+0xee/0x170 [ 675.352226][ T10] __sys_sendmsg+0xcd/0x170 [ 675.352226][ T10] do_syscall_64+0xc6/0x1e0 [ 675.352226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.352226][ T10] [ 675.354308][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 675.354593][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 675.354593][ T10] netdev_get_by_index+0x5e/0x80 [ 675.354593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 675.354593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.354593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 675.354593][ T10] ipv6_add_addr+0x411/0x2000 [ 675.354593][ T10] inet6_addr_add+0x30e/0xa40 [ 675.354593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.354593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.354593][ T10] netlink_rcv_skb+0x130/0x360 [ 675.354593][ T10] netlink_unicast+0x449/0x710 [ 675.354593][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.354593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.354593][ T10] ___sys_sendmsg+0xee/0x170 [ 675.354593][ T10] __sys_sendmsg+0xcd/0x170 [ 675.354593][ T10] do_syscall_64+0xc6/0x1e0 [ 675.354593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.354593][ T10] [ 675.356998][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 675.356998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.356998][ T10] ipv6_find_idev+0x102/0x170 [ 675.356998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.356998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.356998][ T10] netlink_rcv_skb+0x130/0x360 [ 675.356998][ T10] netlink_unicast+0x449/0x710 [ 675.356998][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.356998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.356998][ T10] ___sys_sendmsg+0xee/0x170 [ 675.356998][ T10] __sys_sendmsg+0xcd/0x170 [ 675.356998][ T10] do_syscall_64+0xc6/0x1e0 [ 675.356998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.356998][ T10] [ 675.358898][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 675.358898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.358898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.358898][ T10] ipv6_find_idev+0x102/0x170 [ 675.358898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.358898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.358898][ T10] netlink_rcv_skb+0x130/0x360 [ 675.358898][ T10] netlink_unicast+0x449/0x710 [ 675.358898][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.358898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.358898][ T10] ___sys_sendmsg+0xee/0x170 [ 675.358898][ T10] __sys_sendmsg+0xcd/0x170 [ 675.358898][ T10] do_syscall_64+0xc6/0x1e0 [ 675.358898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.358898][ T10] [ 675.360965][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 675.361303][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 675.361303][ T10] netdev_get_by_index+0x5e/0x80 [ 675.361303][ T10] fib6_nh_init+0x3d8/0x15b0 [ 675.361303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 675.361303][ T10] addrconf_f6i_alloc+0x244/0x410 [ 675.361303][ T10] ipv6_add_addr+0x411/0x2000 [ 675.361303][ T10] inet6_addr_add+0x30e/0xa40 [ 675.361303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 675.361303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.361303][ T10] netlink_rcv_skb+0x130/0x360 [ 675.361303][ T10] netlink_unicast+0x449/0x710 [ 675.361303][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.361303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.361303][ T10] ___sys_sendmsg+0xee/0x170 [ 675.361303][ T10] __sys_sendmsg+0xcd/0x170 [ 675.361303][ T10] do_syscall_64+0xc6/0x1e0 [ 675.361303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.361303][ T10] [ 675.363698][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 675.363698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 675.363698][ T10] ipv6_find_idev+0x102/0x170 [ 675.363698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.363698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.363698][ T10] netlink_rcv_skb+0x130/0x360 [ 675.363698][ T10] netlink_unicast+0x449/0x710 [ 675.363698][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.363698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.363698][ T10] ___sys_sendmsg+0xee/0x170 [ 675.363698][ T10] __sys_sendmsg+0xcd/0x170 [ 675.363698][ T10] do_syscall_64+0xc6/0x1e0 [ 675.363698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.363698][ T10] [ 675.365649][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 675.365649][ T10] neigh_parms_alloc+0x1e5/0x510 [ 675.365649][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 675.365649][ T10] ipv6_find_idev+0x102/0x170 [ 675.365649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 675.365649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 675.365649][ T10] netlink_rcv_skb+0x130/0x360 [ 675.365649][ T10] netlink_unicast+0x449/0x710 [ 675.365649][ T10] netlink_sendmsg+0x723/0xbe0 [ 675.365649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 675.365649][ T10] ___sys_sendmsg+0xee/0x170 [ 675.365649][ T10] __sys_sendmsg+0xcd/0x170 [ 675.365649][ T10] do_syscall_64+0xc6/0x1e0 [ 675.365649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 675.365649][ T10] [ 685.419752][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 685.420135][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 685.420135][ T10] netdev_get_by_index+0x5e/0x80 [ 685.420135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.420135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.420135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.420135][ T10] ipv6_add_addr+0x411/0x2000 [ 685.420135][ T10] inet6_addr_add+0x30e/0xa40 [ 685.420135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.420135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.420135][ T10] netlink_rcv_skb+0x130/0x360 [ 685.420135][ T10] netlink_unicast+0x449/0x710 [ 685.420135][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.420135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.420135][ T10] ___sys_sendmsg+0xee/0x170 [ 685.420135][ T10] __sys_sendmsg+0xcd/0x170 [ 685.420135][ T10] do_syscall_64+0xc6/0x1e0 [ 685.420135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.420135][ T10] [ 685.422367][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 685.422367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.422367][ T10] ipv6_find_idev+0x102/0x170 [ 685.422367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.422367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.422367][ T10] netlink_rcv_skb+0x130/0x360 [ 685.422367][ T10] netlink_unicast+0x449/0x710 [ 685.422367][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.422367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.422367][ T10] ___sys_sendmsg+0xee/0x170 [ 685.422367][ T10] __sys_sendmsg+0xcd/0x170 [ 685.422367][ T10] do_syscall_64+0xc6/0x1e0 [ 685.422367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.422367][ T10] [ 685.424059][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 685.424059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.424059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.424059][ T10] ipv6_find_idev+0x102/0x170 [ 685.424059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.424059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.424059][ T10] netlink_rcv_skb+0x130/0x360 [ 685.424059][ T10] netlink_unicast+0x449/0x710 [ 685.424059][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.424059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.424059][ T10] ___sys_sendmsg+0xee/0x170 [ 685.424059][ T10] __sys_sendmsg+0xcd/0x170 [ 685.424059][ T10] do_syscall_64+0xc6/0x1e0 [ 685.424059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.424059][ T10] [ 685.425913][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 685.426208][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 685.426208][ T10] netdev_get_by_index+0x5e/0x80 [ 685.426208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.426208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.426208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.426208][ T10] ipv6_add_addr+0x411/0x2000 [ 685.426208][ T10] inet6_addr_add+0x30e/0xa40 [ 685.426208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.426208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.426208][ T10] netlink_rcv_skb+0x130/0x360 [ 685.426208][ T10] netlink_unicast+0x449/0x710 [ 685.426208][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.426208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.426208][ T10] ___sys_sendmsg+0xee/0x170 [ 685.426208][ T10] __sys_sendmsg+0xcd/0x170 [ 685.426208][ T10] do_syscall_64+0xc6/0x1e0 [ 685.426208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.426208][ T10] [ 685.428414][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 685.428414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.428414][ T10] ipv6_find_idev+0x102/0x170 [ 685.428414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.428414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.428414][ T10] netlink_rcv_skb+0x130/0x360 [ 685.428414][ T10] netlink_unicast+0x449/0x710 [ 685.428414][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.428414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.428414][ T10] ___sys_sendmsg+0xee/0x170 [ 685.428414][ T10] __sys_sendmsg+0xcd/0x170 [ 685.428414][ T10] do_syscall_64+0xc6/0x1e0 [ 685.428414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.428414][ T10] [ 685.430112][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 685.430112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.430112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.430112][ T10] ipv6_find_idev+0x102/0x170 [ 685.430112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.430112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.430112][ T10] netlink_rcv_skb+0x130/0x360 [ 685.430112][ T10] netlink_unicast+0x449/0x710 [ 685.430112][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.430112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.430112][ T10] ___sys_sendmsg+0xee/0x170 [ 685.430112][ T10] __sys_sendmsg+0xcd/0x170 [ 685.430112][ T10] do_syscall_64+0xc6/0x1e0 [ 685.430112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.430112][ T10] [ 685.431967][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 685.432255][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 685.432255][ T10] netdev_get_by_index+0x5e/0x80 [ 685.432255][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.432255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.432255][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.432255][ T10] ipv6_add_addr+0x411/0x2000 [ 685.432255][ T10] inet6_addr_add+0x30e/0xa40 [ 685.432255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.432255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.432255][ T10] netlink_rcv_skb+0x130/0x360 [ 685.432255][ T10] netlink_unicast+0x449/0x710 [ 685.432255][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.432255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.432255][ T10] ___sys_sendmsg+0xee/0x170 [ 685.432255][ T10] __sys_sendmsg+0xcd/0x170 [ 685.432255][ T10] do_syscall_64+0xc6/0x1e0 [ 685.432255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.432255][ T10] [ 685.434469][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 685.434469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.434469][ T10] ipv6_find_idev+0x102/0x170 [ 685.434469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.434469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.434469][ T10] netlink_rcv_skb+0x130/0x360 [ 685.434469][ T10] netlink_unicast+0x449/0x710 [ 685.434469][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.434469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.434469][ T10] ___sys_sendmsg+0xee/0x170 [ 685.434469][ T10] __sys_sendmsg+0xcd/0x170 [ 685.434469][ T10] do_syscall_64+0xc6/0x1e0 [ 685.434469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.434469][ T10] [ 685.436156][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 685.436156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.436156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.436156][ T10] ipv6_find_idev+0x102/0x170 [ 685.436156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.436156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.436156][ T10] netlink_rcv_skb+0x130/0x360 [ 685.436156][ T10] netlink_unicast+0x449/0x710 [ 685.436156][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.436156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.436156][ T10] ___sys_sendmsg+0xee/0x170 [ 685.436156][ T10] __sys_sendmsg+0xcd/0x170 [ 685.436156][ T10] do_syscall_64+0xc6/0x1e0 [ 685.436156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.436156][ T10] [ 685.438014][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 685.438299][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 685.438299][ T10] netdev_get_by_index+0x5e/0x80 [ 685.438299][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.438299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.438299][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.438299][ T10] ipv6_add_addr+0x411/0x2000 [ 685.438299][ T10] inet6_addr_add+0x30e/0xa40 [ 685.438299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.438299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.438299][ T10] netlink_rcv_skb+0x130/0x360 [ 685.438299][ T10] netlink_unicast+0x449/0x710 [ 685.438299][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.438299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.438299][ T10] ___sys_sendmsg+0xee/0x170 [ 685.438299][ T10] __sys_sendmsg+0xcd/0x170 [ 685.438299][ T10] do_syscall_64+0xc6/0x1e0 [ 685.438299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.438299][ T10] [ 685.440689][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 685.440689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.440689][ T10] ipv6_find_idev+0x102/0x170 [ 685.440689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.440689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.440689][ T10] netlink_rcv_skb+0x130/0x360 [ 685.440689][ T10] netlink_unicast+0x449/0x710 [ 685.440689][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.440689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.440689][ T10] ___sys_sendmsg+0xee/0x170 [ 685.440689][ T10] __sys_sendmsg+0xcd/0x170 [ 685.440689][ T10] do_syscall_64+0xc6/0x1e0 [ 685.440689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.440689][ T10] [ 685.442566][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 685.442566][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.442566][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.442566][ T10] ipv6_find_idev+0x102/0x170 [ 685.442566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.442566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.442566][ T10] netlink_rcv_skb+0x130/0x360 [ 685.442566][ T10] netlink_unicast+0x449/0x710 [ 685.442566][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.442566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.442566][ T10] ___sys_sendmsg+0xee/0x170 [ 685.442566][ T10] __sys_sendmsg+0xcd/0x170 [ 685.442566][ T10] do_syscall_64+0xc6/0x1e0 [ 685.442566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.442566][ T10] [ 685.445072][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 685.445368][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 685.445368][ T10] netdev_get_by_index+0x5e/0x80 [ 685.445368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.445368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.445368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.445368][ T10] ipv6_add_addr+0x411/0x2000 [ 685.445368][ T10] inet6_addr_add+0x30e/0xa40 [ 685.445368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.445368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.445368][ T10] netlink_rcv_skb+0x130/0x360 [ 685.445368][ T10] netlink_unicast+0x449/0x710 [ 685.445368][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.445368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.445368][ T10] ___sys_sendmsg+0xee/0x170 [ 685.445368][ T10] __sys_sendmsg+0xcd/0x170 [ 685.445368][ T10] do_syscall_64+0xc6/0x1e0 [ 685.445368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.445368][ T10] [ 685.447658][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 685.447658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.447658][ T10] ipv6_find_idev+0x102/0x170 [ 685.447658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.447658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.447658][ T10] netlink_rcv_skb+0x130/0x360 [ 685.447658][ T10] netlink_unicast+0x449/0x710 [ 685.447658][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.447658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.447658][ T10] ___sys_sendmsg+0xee/0x170 [ 685.447658][ T10] __sys_sendmsg+0xcd/0x170 [ 685.447658][ T10] do_syscall_64+0xc6/0x1e0 [ 685.447658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.447658][ T10] [ 685.449558][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 685.449558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.449558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.449558][ T10] ipv6_find_idev+0x102/0x170 [ 685.449558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.449558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.449558][ T10] netlink_rcv_skb+0x130/0x360 [ 685.449558][ T10] netlink_unicast+0x449/0x710 [ 685.449558][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.449558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.449558][ T10] ___sys_sendmsg+0xee/0x170 [ 685.449558][ T10] __sys_sendmsg+0xcd/0x170 [ 685.449558][ T10] do_syscall_64+0xc6/0x1e0 [ 685.449558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.449558][ T10] [ 685.451703][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 685.452006][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 685.452006][ T10] netdev_get_by_index+0x5e/0x80 [ 685.452006][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.452006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.452006][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.452006][ T10] ipv6_add_addr+0x411/0x2000 [ 685.452006][ T10] inet6_addr_add+0x30e/0xa40 [ 685.452006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.452006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.452006][ T10] netlink_rcv_skb+0x130/0x360 [ 685.452006][ T10] netlink_unicast+0x449/0x710 [ 685.452006][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.452006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.452006][ T10] ___sys_sendmsg+0xee/0x170 [ 685.452006][ T10] __sys_sendmsg+0xcd/0x170 [ 685.452006][ T10] do_syscall_64+0xc6/0x1e0 [ 685.452006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.452006][ T10] [ 685.454545][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 685.454545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.454545][ T10] ipv6_find_idev+0x102/0x170 [ 685.454545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.454545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.454545][ T10] netlink_rcv_skb+0x130/0x360 [ 685.454545][ T10] netlink_unicast+0x449/0x710 [ 685.454545][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.454545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.454545][ T10] ___sys_sendmsg+0xee/0x170 [ 685.454545][ T10] __sys_sendmsg+0xcd/0x170 [ 685.454545][ T10] do_syscall_64+0xc6/0x1e0 [ 685.454545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.454545][ T10] [ 685.456466][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 685.456466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.456466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.456466][ T10] ipv6_find_idev+0x102/0x170 [ 685.456466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.456466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.456466][ T10] netlink_rcv_skb+0x130/0x360 [ 685.456466][ T10] netlink_unicast+0x449/0x710 [ 685.456466][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.456466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.456466][ T10] ___sys_sendmsg+0xee/0x170 [ 685.456466][ T10] __sys_sendmsg+0xcd/0x170 [ 685.456466][ T10] do_syscall_64+0xc6/0x1e0 [ 685.456466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.456466][ T10] [ 685.458701][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 685.459000][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 685.459000][ T10] netdev_get_by_index+0x5e/0x80 [ 685.459000][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.459000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.459000][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.459000][ T10] ipv6_add_addr+0x411/0x2000 [ 685.459000][ T10] inet6_addr_add+0x30e/0xa40 [ 685.459000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.459000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.459000][ T10] netlink_rcv_skb+0x130/0x360 [ 685.459000][ T10] netlink_unicast+0x449/0x710 [ 685.459000][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.459000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.459000][ T10] ___sys_sendmsg+0xee/0x170 [ 685.459000][ T10] __sys_sendmsg+0xcd/0x170 [ 685.459000][ T10] do_syscall_64+0xc6/0x1e0 [ 685.459000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.459000][ T10] [ 685.461471][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 685.461471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.461471][ T10] ipv6_find_idev+0x102/0x170 [ 685.461471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.461471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.461471][ T10] netlink_rcv_skb+0x130/0x360 [ 685.461471][ T10] netlink_unicast+0x449/0x710 [ 685.461471][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.461471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.461471][ T10] ___sys_sendmsg+0xee/0x170 [ 685.461471][ T10] __sys_sendmsg+0xcd/0x170 [ 685.461471][ T10] do_syscall_64+0xc6/0x1e0 [ 685.461471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.461471][ T10] [ 685.463401][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 685.463401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.463401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.463401][ T10] ipv6_find_idev+0x102/0x170 [ 685.463401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.463401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.463401][ T10] netlink_rcv_skb+0x130/0x360 [ 685.463401][ T10] netlink_unicast+0x449/0x710 [ 685.463401][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.463401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.463401][ T10] ___sys_sendmsg+0xee/0x170 [ 685.463401][ T10] __sys_sendmsg+0xcd/0x170 [ 685.463401][ T10] do_syscall_64+0xc6/0x1e0 [ 685.463401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.463401][ T10] [ 685.465688][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 685.465987][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 685.465987][ T10] netdev_get_by_index+0x5e/0x80 [ 685.465987][ T10] fib6_nh_init+0x3d8/0x15b0 [ 685.465987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 685.465987][ T10] addrconf_f6i_alloc+0x244/0x410 [ 685.465987][ T10] ipv6_add_addr+0x411/0x2000 [ 685.465987][ T10] inet6_addr_add+0x30e/0xa40 [ 685.465987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 685.465987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.465987][ T10] netlink_rcv_skb+0x130/0x360 [ 685.465987][ T10] netlink_unicast+0x449/0x710 [ 685.465987][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.465987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.465987][ T10] ___sys_sendmsg+0xee/0x170 [ 685.465987][ T10] __sys_sendmsg+0xcd/0x170 [ 685.465987][ T10] do_syscall_64+0xc6/0x1e0 [ 685.465987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.465987][ T10] [ 685.468442][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 685.468442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 685.468442][ T10] ipv6_find_idev+0x102/0x170 [ 685.468442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.468442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.468442][ T10] netlink_rcv_skb+0x130/0x360 [ 685.468442][ T10] netlink_unicast+0x449/0x710 [ 685.468442][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.468442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.468442][ T10] ___sys_sendmsg+0xee/0x170 [ 685.468442][ T10] __sys_sendmsg+0xcd/0x170 [ 685.468442][ T10] do_syscall_64+0xc6/0x1e0 [ 685.468442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.468442][ T10] [ 685.470381][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 685.470381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 685.470381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 685.470381][ T10] ipv6_find_idev+0x102/0x170 [ 685.470381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 685.470381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 685.470381][ T10] netlink_rcv_skb+0x130/0x360 [ 685.470381][ T10] netlink_unicast+0x449/0x710 [ 685.470381][ T10] netlink_sendmsg+0x723/0xbe0 [ 685.470381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 685.470381][ T10] ___sys_sendmsg+0xee/0x170 [ 685.470381][ T10] __sys_sendmsg+0xcd/0x170 [ 685.470381][ T10] do_syscall_64+0xc6/0x1e0 [ 685.470381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 685.470381][ T10] [ 695.707835][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 695.708207][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 695.708207][ T10] netdev_get_by_index+0x5e/0x80 [ 695.708207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.708207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.708207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.708207][ T10] ipv6_add_addr+0x411/0x2000 [ 695.708207][ T10] inet6_addr_add+0x30e/0xa40 [ 695.708207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.708207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.708207][ T10] netlink_rcv_skb+0x130/0x360 [ 695.708207][ T10] netlink_unicast+0x449/0x710 [ 695.708207][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.708207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.708207][ T10] ___sys_sendmsg+0xee/0x170 [ 695.708207][ T10] __sys_sendmsg+0xcd/0x170 [ 695.708207][ T10] do_syscall_64+0xc6/0x1e0 [ 695.708207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.708207][ T10] [ 695.710432][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 695.710432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.710432][ T10] ipv6_find_idev+0x102/0x170 [ 695.710432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.710432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.710432][ T10] netlink_rcv_skb+0x130/0x360 [ 695.710432][ T10] netlink_unicast+0x449/0x710 [ 695.710432][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.710432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.710432][ T10] ___sys_sendmsg+0xee/0x170 [ 695.710432][ T10] __sys_sendmsg+0xcd/0x170 [ 695.710432][ T10] do_syscall_64+0xc6/0x1e0 [ 695.710432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.710432][ T10] [ 695.712143][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 695.712143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.712143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.712143][ T10] ipv6_find_idev+0x102/0x170 [ 695.712143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.712143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.712143][ T10] netlink_rcv_skb+0x130/0x360 [ 695.712143][ T10] netlink_unicast+0x449/0x710 [ 695.712143][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.712143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.712143][ T10] ___sys_sendmsg+0xee/0x170 [ 695.712143][ T10] __sys_sendmsg+0xcd/0x170 [ 695.712143][ T10] do_syscall_64+0xc6/0x1e0 [ 695.712143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.712143][ T10] [ 695.714006][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 695.714295][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 695.714295][ T10] netdev_get_by_index+0x5e/0x80 [ 695.714295][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.714295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.714295][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.714295][ T10] ipv6_add_addr+0x411/0x2000 [ 695.714295][ T10] inet6_addr_add+0x30e/0xa40 [ 695.714295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.714295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.714295][ T10] netlink_rcv_skb+0x130/0x360 [ 695.714295][ T10] netlink_unicast+0x449/0x710 [ 695.714295][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.714295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.714295][ T10] ___sys_sendmsg+0xee/0x170 [ 695.714295][ T10] __sys_sendmsg+0xcd/0x170 [ 695.714295][ T10] do_syscall_64+0xc6/0x1e0 [ 695.714295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.714295][ T10] [ 695.716497][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 695.716497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.716497][ T10] ipv6_find_idev+0x102/0x170 [ 695.716497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.716497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.716497][ T10] netlink_rcv_skb+0x130/0x360 [ 695.716497][ T10] netlink_unicast+0x449/0x710 [ 695.716497][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.716497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.716497][ T10] ___sys_sendmsg+0xee/0x170 [ 695.716497][ T10] __sys_sendmsg+0xcd/0x170 [ 695.716497][ T10] do_syscall_64+0xc6/0x1e0 [ 695.716497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.716497][ T10] [ 695.718188][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 695.718188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.718188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.718188][ T10] ipv6_find_idev+0x102/0x170 [ 695.718188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.718188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.718188][ T10] netlink_rcv_skb+0x130/0x360 [ 695.718188][ T10] netlink_unicast+0x449/0x710 [ 695.718188][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.718188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.718188][ T10] ___sys_sendmsg+0xee/0x170 [ 695.718188][ T10] __sys_sendmsg+0xcd/0x170 [ 695.718188][ T10] do_syscall_64+0xc6/0x1e0 [ 695.718188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.718188][ T10] [ 695.720033][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 695.720315][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 695.720315][ T10] netdev_get_by_index+0x5e/0x80 [ 695.720315][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.720315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.720315][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.720315][ T10] ipv6_add_addr+0x411/0x2000 [ 695.720315][ T10] inet6_addr_add+0x30e/0xa40 [ 695.720315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.720315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.720315][ T10] netlink_rcv_skb+0x130/0x360 [ 695.720315][ T10] netlink_unicast+0x449/0x710 [ 695.720315][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.720315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.720315][ T10] ___sys_sendmsg+0xee/0x170 [ 695.720315][ T10] __sys_sendmsg+0xcd/0x170 [ 695.720315][ T10] do_syscall_64+0xc6/0x1e0 [ 695.720315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.720315][ T10] [ 695.722507][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 695.722507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.722507][ T10] ipv6_find_idev+0x102/0x170 [ 695.722507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.722507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.722507][ T10] netlink_rcv_skb+0x130/0x360 [ 695.722507][ T10] netlink_unicast+0x449/0x710 [ 695.722507][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.722507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.722507][ T10] ___sys_sendmsg+0xee/0x170 [ 695.722507][ T10] __sys_sendmsg+0xcd/0x170 [ 695.722507][ T10] do_syscall_64+0xc6/0x1e0 [ 695.722507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.722507][ T10] [ 695.724214][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 695.724214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.724214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.724214][ T10] ipv6_find_idev+0x102/0x170 [ 695.724214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.724214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.724214][ T10] netlink_rcv_skb+0x130/0x360 [ 695.724214][ T10] netlink_unicast+0x449/0x710 [ 695.724214][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.724214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.724214][ T10] ___sys_sendmsg+0xee/0x170 [ 695.724214][ T10] __sys_sendmsg+0xcd/0x170 [ 695.724214][ T10] do_syscall_64+0xc6/0x1e0 [ 695.724214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.724214][ T10] [ 695.726060][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 695.726349][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 695.726349][ T10] netdev_get_by_index+0x5e/0x80 [ 695.726349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.726349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.726349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.726349][ T10] ipv6_add_addr+0x411/0x2000 [ 695.726349][ T10] inet6_addr_add+0x30e/0xa40 [ 695.726349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.726349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.726349][ T10] netlink_rcv_skb+0x130/0x360 [ 695.726349][ T10] netlink_unicast+0x449/0x710 [ 695.726349][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.726349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.726349][ T10] ___sys_sendmsg+0xee/0x170 [ 695.726349][ T10] __sys_sendmsg+0xcd/0x170 [ 695.726349][ T10] do_syscall_64+0xc6/0x1e0 [ 695.726349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.726349][ T10] [ 695.728570][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 695.728570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.728570][ T10] ipv6_find_idev+0x102/0x170 [ 695.728570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.728570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.728570][ T10] netlink_rcv_skb+0x130/0x360 [ 695.728570][ T10] netlink_unicast+0x449/0x710 [ 695.728570][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.728570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.728570][ T10] ___sys_sendmsg+0xee/0x170 [ 695.728570][ T10] __sys_sendmsg+0xcd/0x170 [ 695.728570][ T10] do_syscall_64+0xc6/0x1e0 [ 695.728570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.728570][ T10] [ 695.730276][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 695.730276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.730276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.730276][ T10] ipv6_find_idev+0x102/0x170 [ 695.730276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.730276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.730276][ T10] netlink_rcv_skb+0x130/0x360 [ 695.730276][ T10] netlink_unicast+0x449/0x710 [ 695.730276][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.730276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.730276][ T10] ___sys_sendmsg+0xee/0x170 [ 695.730276][ T10] __sys_sendmsg+0xcd/0x170 [ 695.730276][ T10] do_syscall_64+0xc6/0x1e0 [ 695.730276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.730276][ T10] [ 695.732578][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 695.732963][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 695.732963][ T10] netdev_get_by_index+0x5e/0x80 [ 695.732963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.732963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.732963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.732963][ T10] ipv6_add_addr+0x411/0x2000 [ 695.732963][ T10] inet6_addr_add+0x30e/0xa40 [ 695.732963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.732963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.732963][ T10] netlink_rcv_skb+0x130/0x360 [ 695.732963][ T10] netlink_unicast+0x449/0x710 [ 695.732963][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.732963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.732963][ T10] ___sys_sendmsg+0xee/0x170 [ 695.732963][ T10] __sys_sendmsg+0xcd/0x170 [ 695.732963][ T10] do_syscall_64+0xc6/0x1e0 [ 695.732963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.732963][ T10] [ 695.735159][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 695.735159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.735159][ T10] ipv6_find_idev+0x102/0x170 [ 695.735159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.735159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.735159][ T10] netlink_rcv_skb+0x130/0x360 [ 695.735159][ T10] netlink_unicast+0x449/0x710 [ 695.735159][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.735159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.735159][ T10] ___sys_sendmsg+0xee/0x170 [ 695.735159][ T10] __sys_sendmsg+0xcd/0x170 [ 695.735159][ T10] do_syscall_64+0xc6/0x1e0 [ 695.735159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.735159][ T10] [ 695.736858][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 695.736858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.736858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.736858][ T10] ipv6_find_idev+0x102/0x170 [ 695.736858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.736858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.736858][ T10] netlink_rcv_skb+0x130/0x360 [ 695.736858][ T10] netlink_unicast+0x449/0x710 [ 695.736858][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.736858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.736858][ T10] ___sys_sendmsg+0xee/0x170 [ 695.736858][ T10] __sys_sendmsg+0xcd/0x170 [ 695.736858][ T10] do_syscall_64+0xc6/0x1e0 [ 695.736858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.736858][ T10] [ 695.738986][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 695.739272][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 695.739272][ T10] netdev_get_by_index+0x5e/0x80 [ 695.739272][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.739272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.739272][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.739272][ T10] ipv6_add_addr+0x411/0x2000 [ 695.739272][ T10] inet6_addr_add+0x30e/0xa40 [ 695.739272][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.739272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.739272][ T10] netlink_rcv_skb+0x130/0x360 [ 695.739272][ T10] netlink_unicast+0x449/0x710 [ 695.739272][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.739272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.739272][ T10] ___sys_sendmsg+0xee/0x170 [ 695.739272][ T10] __sys_sendmsg+0xcd/0x170 [ 695.739272][ T10] do_syscall_64+0xc6/0x1e0 [ 695.739272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.739272][ T10] [ 695.741664][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 695.741664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.741664][ T10] ipv6_find_idev+0x102/0x170 [ 695.741664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.741664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.741664][ T10] netlink_rcv_skb+0x130/0x360 [ 695.741664][ T10] netlink_unicast+0x449/0x710 [ 695.741664][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.741664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.741664][ T10] ___sys_sendmsg+0xee/0x170 [ 695.741664][ T10] __sys_sendmsg+0xcd/0x170 [ 695.741664][ T10] do_syscall_64+0xc6/0x1e0 [ 695.741664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.741664][ T10] [ 695.743541][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 695.743541][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.743541][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.743541][ T10] ipv6_find_idev+0x102/0x170 [ 695.743541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.743541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.743541][ T10] netlink_rcv_skb+0x130/0x360 [ 695.743541][ T10] netlink_unicast+0x449/0x710 [ 695.743541][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.743541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.743541][ T10] ___sys_sendmsg+0xee/0x170 [ 695.743541][ T10] __sys_sendmsg+0xcd/0x170 [ 695.743541][ T10] do_syscall_64+0xc6/0x1e0 [ 695.743541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.743541][ T10] [ 695.745618][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 695.745955][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 695.745955][ T10] netdev_get_by_index+0x5e/0x80 [ 695.745955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.745955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.745955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.745955][ T10] ipv6_add_addr+0x411/0x2000 [ 695.745955][ T10] inet6_addr_add+0x30e/0xa40 [ 695.745955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.745955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.745955][ T10] netlink_rcv_skb+0x130/0x360 [ 695.745955][ T10] netlink_unicast+0x449/0x710 [ 695.745955][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.745955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.745955][ T10] ___sys_sendmsg+0xee/0x170 [ 695.745955][ T10] __sys_sendmsg+0xcd/0x170 [ 695.745955][ T10] do_syscall_64+0xc6/0x1e0 [ 695.745955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.745955][ T10] [ 695.748336][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 695.748336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.748336][ T10] ipv6_find_idev+0x102/0x170 [ 695.748336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.748336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.748336][ T10] netlink_rcv_skb+0x130/0x360 [ 695.748336][ T10] netlink_unicast+0x449/0x710 [ 695.748336][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.748336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.748336][ T10] ___sys_sendmsg+0xee/0x170 [ 695.748336][ T10] __sys_sendmsg+0xcd/0x170 [ 695.748336][ T10] do_syscall_64+0xc6/0x1e0 [ 695.748336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.748336][ T10] [ 695.750288][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 695.750288][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.750288][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.750288][ T10] ipv6_find_idev+0x102/0x170 [ 695.750288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.750288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.750288][ T10] netlink_rcv_skb+0x130/0x360 [ 695.750288][ T10] netlink_unicast+0x449/0x710 [ 695.750288][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.750288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.750288][ T10] ___sys_sendmsg+0xee/0x170 [ 695.750288][ T10] __sys_sendmsg+0xcd/0x170 [ 695.750288][ T10] do_syscall_64+0xc6/0x1e0 [ 695.750288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.750288][ T10] [ 695.752362][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 695.752648][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 695.752648][ T10] netdev_get_by_index+0x5e/0x80 [ 695.752648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 695.752648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 695.752648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 695.752648][ T10] ipv6_add_addr+0x411/0x2000 [ 695.752648][ T10] inet6_addr_add+0x30e/0xa40 [ 695.752648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 695.752648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.752648][ T10] netlink_rcv_skb+0x130/0x360 [ 695.752648][ T10] netlink_unicast+0x449/0x710 [ 695.752648][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.752648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.752648][ T10] ___sys_sendmsg+0xee/0x170 [ 695.752648][ T10] __sys_sendmsg+0xcd/0x170 [ 695.752648][ T10] do_syscall_64+0xc6/0x1e0 [ 695.752648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.752648][ T10] [ 695.755033][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 695.755033][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 695.755033][ T10] ipv6_find_idev+0x102/0x170 [ 695.755033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.755033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.755033][ T10] netlink_rcv_skb+0x130/0x360 [ 695.755033][ T10] netlink_unicast+0x449/0x710 [ 695.755033][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.755033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.755033][ T10] ___sys_sendmsg+0xee/0x170 [ 695.755033][ T10] __sys_sendmsg+0xcd/0x170 [ 695.755033][ T10] do_syscall_64+0xc6/0x1e0 [ 695.755033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.755033][ T10] [ 695.756914][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 695.756914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 695.756914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 695.756914][ T10] ipv6_find_idev+0x102/0x170 [ 695.756914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 695.756914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 695.756914][ T10] netlink_rcv_skb+0x130/0x360 [ 695.756914][ T10] netlink_unicast+0x449/0x710 [ 695.756914][ T10] netlink_sendmsg+0x723/0xbe0 [ 695.756914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 695.756914][ T10] ___sys_sendmsg+0xee/0x170 [ 695.756914][ T10] __sys_sendmsg+0xcd/0x170 [ 695.756914][ T10] do_syscall_64+0xc6/0x1e0 [ 695.756914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 695.756914][ T10] [ 705.995666][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 705.996104][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 705.996104][ T10] netdev_get_by_index+0x5e/0x80 [ 705.996104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 705.996104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 705.996104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 705.996104][ T10] ipv6_add_addr+0x411/0x2000 [ 705.996104][ T10] inet6_addr_add+0x30e/0xa40 [ 705.996104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 705.996104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.996104][ T10] netlink_rcv_skb+0x130/0x360 [ 705.996104][ T10] netlink_unicast+0x449/0x710 [ 705.996104][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.996104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.996104][ T10] ___sys_sendmsg+0xee/0x170 [ 705.996104][ T10] __sys_sendmsg+0xcd/0x170 [ 705.996104][ T10] do_syscall_64+0xc6/0x1e0 [ 705.996104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.996104][ T10] [ 705.998339][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 705.998339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 705.998339][ T10] ipv6_find_idev+0x102/0x170 [ 705.998339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 705.998339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 705.998339][ T10] netlink_rcv_skb+0x130/0x360 [ 705.998339][ T10] netlink_unicast+0x449/0x710 [ 705.998339][ T10] netlink_sendmsg+0x723/0xbe0 [ 705.998339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 705.998339][ T10] ___sys_sendmsg+0xee/0x170 [ 705.998339][ T10] __sys_sendmsg+0xcd/0x170 [ 705.998339][ T10] do_syscall_64+0xc6/0x1e0 [ 705.998339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 705.998339][ T10] [ 706.000030][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 706.000030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.000030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.000030][ T10] ipv6_find_idev+0x102/0x170 [ 706.000030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.000030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.000030][ T10] netlink_rcv_skb+0x130/0x360 [ 706.000030][ T10] netlink_unicast+0x449/0x710 [ 706.000030][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.000030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.000030][ T10] ___sys_sendmsg+0xee/0x170 [ 706.000030][ T10] __sys_sendmsg+0xcd/0x170 [ 706.000030][ T10] do_syscall_64+0xc6/0x1e0 [ 706.000030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.000030][ T10] [ 706.001926][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 706.002223][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 706.002223][ T10] netdev_get_by_index+0x5e/0x80 [ 706.002223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 706.002223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.002223][ T10] addrconf_f6i_alloc+0x244/0x410 [ 706.002223][ T10] ipv6_add_addr+0x411/0x2000 [ 706.002223][ T10] inet6_addr_add+0x30e/0xa40 [ 706.002223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.002223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.002223][ T10] netlink_rcv_skb+0x130/0x360 [ 706.002223][ T10] netlink_unicast+0x449/0x710 [ 706.002223][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.002223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.002223][ T10] ___sys_sendmsg+0xee/0x170 [ 706.002223][ T10] __sys_sendmsg+0xcd/0x170 [ 706.002223][ T10] do_syscall_64+0xc6/0x1e0 [ 706.002223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.002223][ T10] [ 706.004406][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 706.004406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.004406][ T10] ipv6_find_idev+0x102/0x170 [ 706.004406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.004406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.004406][ T10] netlink_rcv_skb+0x130/0x360 [ 706.004406][ T10] netlink_unicast+0x449/0x710 [ 706.004406][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.004406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.004406][ T10] ___sys_sendmsg+0xee/0x170 [ 706.004406][ T10] __sys_sendmsg+0xcd/0x170 [ 706.004406][ T10] do_syscall_64+0xc6/0x1e0 [ 706.004406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.004406][ T10] [ 706.006127][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 706.006127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.006127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.006127][ T10] ipv6_find_idev+0x102/0x170 [ 706.006127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.006127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.006127][ T10] netlink_rcv_skb+0x130/0x360 [ 706.006127][ T10] netlink_unicast+0x449/0x710 [ 706.006127][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.006127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.006127][ T10] ___sys_sendmsg+0xee/0x170 [ 706.006127][ T10] __sys_sendmsg+0xcd/0x170 [ 706.006127][ T10] do_syscall_64+0xc6/0x1e0 [ 706.006127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.006127][ T10] [ 706.007999][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 706.008284][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 706.008284][ T10] netdev_get_by_index+0x5e/0x80 [ 706.008284][ T10] fib6_nh_init+0x3d8/0x15b0 [ 706.008284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.008284][ T10] addrconf_f6i_alloc+0x244/0x410 [ 706.008284][ T10] ipv6_add_addr+0x411/0x2000 [ 706.008284][ T10] inet6_addr_add+0x30e/0xa40 [ 706.008284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.008284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.008284][ T10] netlink_rcv_skb+0x130/0x360 [ 706.008284][ T10] netlink_unicast+0x449/0x710 [ 706.008284][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.008284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.008284][ T10] ___sys_sendmsg+0xee/0x170 [ 706.008284][ T10] __sys_sendmsg+0xcd/0x170 [ 706.008284][ T10] do_syscall_64+0xc6/0x1e0 [ 706.008284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.008284][ T10] [ 706.010564][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 706.010564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.010564][ T10] ipv6_find_idev+0x102/0x170 [ 706.010564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.010564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.010564][ T10] netlink_rcv_skb+0x130/0x360 [ 706.010564][ T10] netlink_unicast+0x449/0x710 [ 706.010564][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.010564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.010564][ T10] ___sys_sendmsg+0xee/0x170 [ 706.010564][ T10] __sys_sendmsg+0xcd/0x170 [ 706.010564][ T10] do_syscall_64+0xc6/0x1e0 [ 706.010564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.010564][ T10] [ 706.012439][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 706.012439][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.012439][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.012439][ T10] ipv6_find_idev+0x102/0x170 [ 706.012439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.012439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.012439][ T10] netlink_rcv_skb+0x130/0x360 [ 706.012439][ T10] netlink_unicast+0x449/0x710 [ 706.012439][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.012439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.012439][ T10] ___sys_sendmsg+0xee/0x170 [ 706.012439][ T10] __sys_sendmsg+0xcd/0x170 [ 706.012439][ T10] do_syscall_64+0xc6/0x1e0 [ 706.012439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.012439][ T10] [ 706.014525][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 706.014830][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 706.014830][ T10] netdev_get_by_index+0x5e/0x80 [ 706.014830][ T10] fib6_nh_init+0x3d8/0x15b0 [ 706.014830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.014830][ T10] addrconf_f6i_alloc+0x244/0x410 [ 706.014830][ T10] ipv6_add_addr+0x411/0x2000 [ 706.014830][ T10] inet6_addr_add+0x30e/0xa40 [ 706.014830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.014830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.014830][ T10] netlink_rcv_skb+0x130/0x360 [ 706.014830][ T10] netlink_unicast+0x449/0x710 [ 706.014830][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.014830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.014830][ T10] ___sys_sendmsg+0xee/0x170 [ 706.014830][ T10] __sys_sendmsg+0xcd/0x170 [ 706.014830][ T10] do_syscall_64+0xc6/0x1e0 [ 706.014830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.014830][ T10] [ 706.017264][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 706.017264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.017264][ T10] ipv6_find_idev+0x102/0x170 [ 706.017264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.017264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.017264][ T10] netlink_rcv_skb+0x130/0x360 [ 706.017264][ T10] netlink_unicast+0x449/0x710 [ 706.017264][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.017264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.017264][ T10] ___sys_sendmsg+0xee/0x170 [ 706.017264][ T10] __sys_sendmsg+0xcd/0x170 [ 706.017264][ T10] do_syscall_64+0xc6/0x1e0 [ 706.017264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.017264][ T10] [ 706.019080][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 706.019080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.019080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.019080][ T10] ipv6_find_idev+0x102/0x170 [ 706.019080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.019080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.019080][ T10] netlink_rcv_skb+0x130/0x360 [ 706.019080][ T10] netlink_unicast+0x449/0x710 [ 706.019080][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.019080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.019080][ T10] ___sys_sendmsg+0xee/0x170 [ 706.019080][ T10] __sys_sendmsg+0xcd/0x170 [ 706.019080][ T10] do_syscall_64+0xc6/0x1e0 [ 706.019080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.019080][ T10] [ 706.021118][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 706.021466][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 706.021466][ T10] netdev_get_by_index+0x5e/0x80 [ 706.021466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 706.021466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.021466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 706.021466][ T10] ipv6_add_addr+0x411/0x2000 [ 706.021466][ T10] inet6_addr_add+0x30e/0xa40 [ 706.021466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.021466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.021466][ T10] netlink_rcv_skb+0x130/0x360 [ 706.021466][ T10] netlink_unicast+0x449/0x710 [ 706.021466][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.021466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.021466][ T10] ___sys_sendmsg+0xee/0x170 [ 706.021466][ T10] __sys_sendmsg+0xcd/0x170 [ 706.021466][ T10] do_syscall_64+0xc6/0x1e0 [ 706.021466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.021466][ T10] [ 706.023657][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 706.023657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.023657][ T10] ipv6_find_idev+0x102/0x170 [ 706.023657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.023657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.023657][ T10] netlink_rcv_skb+0x130/0x360 [ 706.023657][ T10] netlink_unicast+0x449/0x710 [ 706.023657][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.023657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.023657][ T10] ___sys_sendmsg+0xee/0x170 [ 706.023657][ T10] __sys_sendmsg+0xcd/0x170 [ 706.023657][ T10] do_syscall_64+0xc6/0x1e0 [ 706.023657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.023657][ T10] [ 706.025351][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 706.025351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.025351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.025351][ T10] ipv6_find_idev+0x102/0x170 [ 706.025351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.025351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.025351][ T10] netlink_rcv_skb+0x130/0x360 [ 706.025351][ T10] netlink_unicast+0x449/0x710 [ 706.025351][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.025351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.025351][ T10] ___sys_sendmsg+0xee/0x170 [ 706.025351][ T10] __sys_sendmsg+0xcd/0x170 [ 706.025351][ T10] do_syscall_64+0xc6/0x1e0 [ 706.025351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.025351][ T10] [ 706.027633][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 706.028899][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 706.028899][ T10] netdev_get_by_index+0x5e/0x80 [ 706.028899][ T10] fib6_nh_init+0x3d8/0x15b0 [ 706.028899][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.028899][ T10] addrconf_f6i_alloc+0x244/0x410 [ 706.028899][ T10] ipv6_add_addr+0x411/0x2000 [ 706.028899][ T10] inet6_addr_add+0x30e/0xa40 [ 706.028899][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.028899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.028899][ T10] netlink_rcv_skb+0x130/0x360 [ 706.028899][ T10] netlink_unicast+0x449/0x710 [ 706.028899][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.028899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.028899][ T10] ___sys_sendmsg+0xee/0x170 [ 706.028899][ T10] __sys_sendmsg+0xcd/0x170 [ 706.028899][ T10] do_syscall_64+0xc6/0x1e0 [ 706.028899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.028899][ T10] [ 706.031073][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 706.031073][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.031073][ T10] ipv6_find_idev+0x102/0x170 [ 706.031073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.031073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.031073][ T10] netlink_rcv_skb+0x130/0x360 [ 706.031073][ T10] netlink_unicast+0x449/0x710 [ 706.031073][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.031073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.031073][ T10] ___sys_sendmsg+0xee/0x170 [ 706.031073][ T10] __sys_sendmsg+0xcd/0x170 [ 706.031073][ T10] do_syscall_64+0xc6/0x1e0 [ 706.031073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.031073][ T10] [ 706.032745][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 706.032745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.032745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.032745][ T10] ipv6_find_idev+0x102/0x170 [ 706.032745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.032745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.032745][ T10] netlink_rcv_skb+0x130/0x360 [ 706.032745][ T10] netlink_unicast+0x449/0x710 [ 706.032745][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.032745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.032745][ T10] ___sys_sendmsg+0xee/0x170 [ 706.032745][ T10] __sys_sendmsg+0xcd/0x170 [ 706.032745][ T10] do_syscall_64+0xc6/0x1e0 [ 706.032745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.032745][ T10] [ 706.034621][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 706.034970][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 706.034970][ T10] netdev_get_by_index+0x5e/0x80 [ 706.034970][ T10] fib6_nh_init+0x3d8/0x15b0 [ 706.034970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.034970][ T10] addrconf_f6i_alloc+0x244/0x410 [ 706.034970][ T10] ipv6_add_addr+0x411/0x2000 [ 706.034970][ T10] inet6_addr_add+0x30e/0xa40 [ 706.034970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.034970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.034970][ T10] netlink_rcv_skb+0x130/0x360 [ 706.034970][ T10] netlink_unicast+0x449/0x710 [ 706.034970][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.034970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.034970][ T10] ___sys_sendmsg+0xee/0x170 [ 706.034970][ T10] __sys_sendmsg+0xcd/0x170 [ 706.034970][ T10] do_syscall_64+0xc6/0x1e0 [ 706.034970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.034970][ T10] [ 706.037147][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 706.037147][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.037147][ T10] ipv6_find_idev+0x102/0x170 [ 706.037147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.037147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.037147][ T10] netlink_rcv_skb+0x130/0x360 [ 706.037147][ T10] netlink_unicast+0x449/0x710 [ 706.037147][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.037147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.037147][ T10] ___sys_sendmsg+0xee/0x170 [ 706.037147][ T10] __sys_sendmsg+0xcd/0x170 [ 706.037147][ T10] do_syscall_64+0xc6/0x1e0 [ 706.037147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.037147][ T10] [ 706.038831][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 706.038831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.038831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.038831][ T10] ipv6_find_idev+0x102/0x170 [ 706.038831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.038831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.038831][ T10] netlink_rcv_skb+0x130/0x360 [ 706.038831][ T10] netlink_unicast+0x449/0x710 [ 706.038831][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.038831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.038831][ T10] ___sys_sendmsg+0xee/0x170 [ 706.038831][ T10] __sys_sendmsg+0xcd/0x170 [ 706.038831][ T10] do_syscall_64+0xc6/0x1e0 [ 706.038831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.038831][ T10] [ 706.040715][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 706.041051][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 706.041051][ T10] netdev_get_by_index+0x5e/0x80 [ 706.041051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 706.041051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 706.041051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 706.041051][ T10] ipv6_add_addr+0x411/0x2000 [ 706.041051][ T10] inet6_addr_add+0x30e/0xa40 [ 706.041051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 706.041051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.041051][ T10] netlink_rcv_skb+0x130/0x360 [ 706.041051][ T10] netlink_unicast+0x449/0x710 [ 706.041051][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.041051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.041051][ T10] ___sys_sendmsg+0xee/0x170 [ 706.041051][ T10] __sys_sendmsg+0xcd/0x170 [ 706.041051][ T10] do_syscall_64+0xc6/0x1e0 [ 706.041051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.041051][ T10] [ 706.043219][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 706.043219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 706.043219][ T10] ipv6_find_idev+0x102/0x170 [ 706.043219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.043219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.043219][ T10] netlink_rcv_skb+0x130/0x360 [ 706.043219][ T10] netlink_unicast+0x449/0x710 [ 706.043219][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.043219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.043219][ T10] ___sys_sendmsg+0xee/0x170 [ 706.043219][ T10] __sys_sendmsg+0xcd/0x170 [ 706.043219][ T10] do_syscall_64+0xc6/0x1e0 [ 706.043219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.043219][ T10] [ 706.045086][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 706.045086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 706.045086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 706.045086][ T10] ipv6_find_idev+0x102/0x170 [ 706.045086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 706.045086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 706.045086][ T10] netlink_rcv_skb+0x130/0x360 [ 706.045086][ T10] netlink_unicast+0x449/0x710 [ 706.045086][ T10] netlink_sendmsg+0x723/0xbe0 [ 706.045086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 706.045086][ T10] ___sys_sendmsg+0xee/0x170 [ 706.045086][ T10] __sys_sendmsg+0xcd/0x170 [ 706.045086][ T10] do_syscall_64+0xc6/0x1e0 [ 706.045086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 706.045086][ T10] [ 716.107759][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 716.108173][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 716.108173][ T10] netdev_get_by_index+0x5e/0x80 [ 716.108173][ T10] fib6_nh_init+0x3d8/0x15b0 [ 716.108173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.108173][ T10] addrconf_f6i_alloc+0x244/0x410 [ 716.108173][ T10] ipv6_add_addr+0x411/0x2000 [ 716.108173][ T10] inet6_addr_add+0x30e/0xa40 [ 716.108173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.108173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.108173][ T10] netlink_rcv_skb+0x130/0x360 [ 716.108173][ T10] netlink_unicast+0x449/0x710 [ 716.108173][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.108173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.108173][ T10] ___sys_sendmsg+0xee/0x170 [ 716.108173][ T10] __sys_sendmsg+0xcd/0x170 [ 716.108173][ T10] do_syscall_64+0xc6/0x1e0 [ 716.108173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.108173][ T10] [ 716.110407][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 716.110407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.110407][ T10] ipv6_find_idev+0x102/0x170 [ 716.110407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.110407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.110407][ T10] netlink_rcv_skb+0x130/0x360 [ 716.110407][ T10] netlink_unicast+0x449/0x710 [ 716.110407][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.110407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.110407][ T10] ___sys_sendmsg+0xee/0x170 [ 716.110407][ T10] __sys_sendmsg+0xcd/0x170 [ 716.110407][ T10] do_syscall_64+0xc6/0x1e0 [ 716.110407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.110407][ T10] [ 716.112118][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 716.112118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.112118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.112118][ T10] ipv6_find_idev+0x102/0x170 [ 716.112118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.112118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.112118][ T10] netlink_rcv_skb+0x130/0x360 [ 716.112118][ T10] netlink_unicast+0x449/0x710 [ 716.112118][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.112118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.112118][ T10] ___sys_sendmsg+0xee/0x170 [ 716.112118][ T10] __sys_sendmsg+0xcd/0x170 [ 716.112118][ T10] do_syscall_64+0xc6/0x1e0 [ 716.112118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.112118][ T10] [ 716.113977][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 716.114267][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 716.114267][ T10] netdev_get_by_index+0x5e/0x80 [ 716.114267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 716.114267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.114267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 716.114267][ T10] ipv6_add_addr+0x411/0x2000 [ 716.114267][ T10] inet6_addr_add+0x30e/0xa40 [ 716.114267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.114267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.114267][ T10] netlink_rcv_skb+0x130/0x360 [ 716.114267][ T10] netlink_unicast+0x449/0x710 [ 716.114267][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.114267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.114267][ T10] ___sys_sendmsg+0xee/0x170 [ 716.114267][ T10] __sys_sendmsg+0xcd/0x170 [ 716.114267][ T10] do_syscall_64+0xc6/0x1e0 [ 716.114267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.114267][ T10] [ 716.116474][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 716.116474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.116474][ T10] ipv6_find_idev+0x102/0x170 [ 716.116474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.116474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.116474][ T10] netlink_rcv_skb+0x130/0x360 [ 716.116474][ T10] netlink_unicast+0x449/0x710 [ 716.116474][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.116474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.116474][ T10] ___sys_sendmsg+0xee/0x170 [ 716.116474][ T10] __sys_sendmsg+0xcd/0x170 [ 716.116474][ T10] do_syscall_64+0xc6/0x1e0 [ 716.116474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.116474][ T10] [ 716.118249][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 716.118249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.118249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.118249][ T10] ipv6_find_idev+0x102/0x170 [ 716.118249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.118249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.118249][ T10] netlink_rcv_skb+0x130/0x360 [ 716.118249][ T10] netlink_unicast+0x449/0x710 [ 716.118249][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.118249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.118249][ T10] ___sys_sendmsg+0xee/0x170 [ 716.118249][ T10] __sys_sendmsg+0xcd/0x170 [ 716.118249][ T10] do_syscall_64+0xc6/0x1e0 [ 716.118249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.118249][ T10] [ 716.120186][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 716.120487][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 716.120487][ T10] netdev_get_by_index+0x5e/0x80 [ 716.120487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 716.120487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.120487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 716.120487][ T10] ipv6_add_addr+0x411/0x2000 [ 716.120487][ T10] inet6_addr_add+0x30e/0xa40 [ 716.120487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.120487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.120487][ T10] netlink_rcv_skb+0x130/0x360 [ 716.120487][ T10] netlink_unicast+0x449/0x710 [ 716.120487][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.120487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.120487][ T10] ___sys_sendmsg+0xee/0x170 [ 716.120487][ T10] __sys_sendmsg+0xcd/0x170 [ 716.120487][ T10] do_syscall_64+0xc6/0x1e0 [ 716.120487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.120487][ T10] [ 716.122815][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 716.122815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.122815][ T10] ipv6_find_idev+0x102/0x170 [ 716.122815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.122815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.122815][ T10] netlink_rcv_skb+0x130/0x360 [ 716.122815][ T10] netlink_unicast+0x449/0x710 [ 716.122815][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.122815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.122815][ T10] ___sys_sendmsg+0xee/0x170 [ 716.122815][ T10] __sys_sendmsg+0xcd/0x170 [ 716.122815][ T10] do_syscall_64+0xc6/0x1e0 [ 716.122815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.122815][ T10] [ 716.124573][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 716.124573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.124573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.124573][ T10] ipv6_find_idev+0x102/0x170 [ 716.124573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.124573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.124573][ T10] netlink_rcv_skb+0x130/0x360 [ 716.124573][ T10] netlink_unicast+0x449/0x710 [ 716.124573][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.124573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.124573][ T10] ___sys_sendmsg+0xee/0x170 [ 716.124573][ T10] __sys_sendmsg+0xcd/0x170 [ 716.124573][ T10] do_syscall_64+0xc6/0x1e0 [ 716.124573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.124573][ T10] [ 716.126518][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 716.126884][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 716.126884][ T10] netdev_get_by_index+0x5e/0x80 [ 716.126884][ T10] fib6_nh_init+0x3d8/0x15b0 [ 716.126884][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.126884][ T10] addrconf_f6i_alloc+0x244/0x410 [ 716.126884][ T10] ipv6_add_addr+0x411/0x2000 [ 716.126884][ T10] inet6_addr_add+0x30e/0xa40 [ 716.126884][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.126884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.126884][ T10] netlink_rcv_skb+0x130/0x360 [ 716.126884][ T10] netlink_unicast+0x449/0x710 [ 716.126884][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.126884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.126884][ T10] ___sys_sendmsg+0xee/0x170 [ 716.126884][ T10] __sys_sendmsg+0xcd/0x170 [ 716.126884][ T10] do_syscall_64+0xc6/0x1e0 [ 716.126884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.126884][ T10] [ 716.129210][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 716.129210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.129210][ T10] ipv6_find_idev+0x102/0x170 [ 716.129210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.129210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.129210][ T10] netlink_rcv_skb+0x130/0x360 [ 716.129210][ T10] netlink_unicast+0x449/0x710 [ 716.129210][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.129210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.129210][ T10] ___sys_sendmsg+0xee/0x170 [ 716.129210][ T10] __sys_sendmsg+0xcd/0x170 [ 716.129210][ T10] do_syscall_64+0xc6/0x1e0 [ 716.129210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.129210][ T10] [ 716.130919][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 716.130919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.130919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.130919][ T10] ipv6_find_idev+0x102/0x170 [ 716.130919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.130919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.130919][ T10] netlink_rcv_skb+0x130/0x360 [ 716.130919][ T10] netlink_unicast+0x449/0x710 [ 716.130919][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.130919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.130919][ T10] ___sys_sendmsg+0xee/0x170 [ 716.130919][ T10] __sys_sendmsg+0xcd/0x170 [ 716.130919][ T10] do_syscall_64+0xc6/0x1e0 [ 716.130919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.130919][ T10] [ 716.132809][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 716.133151][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 716.133151][ T10] netdev_get_by_index+0x5e/0x80 [ 716.133151][ T10] fib6_nh_init+0x3d8/0x15b0 [ 716.133151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.133151][ T10] addrconf_f6i_alloc+0x244/0x410 [ 716.133151][ T10] ipv6_add_addr+0x411/0x2000 [ 716.133151][ T10] inet6_addr_add+0x30e/0xa40 [ 716.133151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.133151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.133151][ T10] netlink_rcv_skb+0x130/0x360 [ 716.133151][ T10] netlink_unicast+0x449/0x710 [ 716.133151][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.133151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.133151][ T10] ___sys_sendmsg+0xee/0x170 [ 716.133151][ T10] __sys_sendmsg+0xcd/0x170 [ 716.133151][ T10] do_syscall_64+0xc6/0x1e0 [ 716.133151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.133151][ T10] [ 716.135350][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 716.135350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.135350][ T10] ipv6_find_idev+0x102/0x170 [ 716.135350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.135350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.135350][ T10] netlink_rcv_skb+0x130/0x360 [ 716.135350][ T10] netlink_unicast+0x449/0x710 [ 716.135350][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.135350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.135350][ T10] ___sys_sendmsg+0xee/0x170 [ 716.135350][ T10] __sys_sendmsg+0xcd/0x170 [ 716.135350][ T10] do_syscall_64+0xc6/0x1e0 [ 716.135350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.135350][ T10] [ 716.137060][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 716.137060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.137060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.137060][ T10] ipv6_find_idev+0x102/0x170 [ 716.137060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.137060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.137060][ T10] netlink_rcv_skb+0x130/0x360 [ 716.137060][ T10] netlink_unicast+0x449/0x710 [ 716.137060][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.137060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.137060][ T10] ___sys_sendmsg+0xee/0x170 [ 716.137060][ T10] __sys_sendmsg+0xcd/0x170 [ 716.137060][ T10] do_syscall_64+0xc6/0x1e0 [ 716.137060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.137060][ T10] [ 716.139129][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 716.139413][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 716.139413][ T10] netdev_get_by_index+0x5e/0x80 [ 716.139413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 716.139413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.139413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 716.139413][ T10] ipv6_add_addr+0x411/0x2000 [ 716.139413][ T10] inet6_addr_add+0x30e/0xa40 [ 716.139413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.139413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.139413][ T10] netlink_rcv_skb+0x130/0x360 [ 716.139413][ T10] netlink_unicast+0x449/0x710 [ 716.139413][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.139413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.139413][ T10] ___sys_sendmsg+0xee/0x170 [ 716.139413][ T10] __sys_sendmsg+0xcd/0x170 [ 716.139413][ T10] do_syscall_64+0xc6/0x1e0 [ 716.139413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.139413][ T10] [ 716.141903][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 716.141903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.141903][ T10] ipv6_find_idev+0x102/0x170 [ 716.141903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.141903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.141903][ T10] netlink_rcv_skb+0x130/0x360 [ 716.141903][ T10] netlink_unicast+0x449/0x710 [ 716.141903][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.141903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.141903][ T10] ___sys_sendmsg+0xee/0x170 [ 716.141903][ T10] __sys_sendmsg+0xcd/0x170 [ 716.141903][ T10] do_syscall_64+0xc6/0x1e0 [ 716.141903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.141903][ T10] [ 716.143773][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 716.143773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.143773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.143773][ T10] ipv6_find_idev+0x102/0x170 [ 716.143773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.143773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.143773][ T10] netlink_rcv_skb+0x130/0x360 [ 716.143773][ T10] netlink_unicast+0x449/0x710 [ 716.143773][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.143773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.143773][ T10] ___sys_sendmsg+0xee/0x170 [ 716.143773][ T10] __sys_sendmsg+0xcd/0x170 [ 716.143773][ T10] do_syscall_64+0xc6/0x1e0 [ 716.143773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.143773][ T10] [ 716.145835][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 716.146117][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 716.146117][ T10] netdev_get_by_index+0x5e/0x80 [ 716.146117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 716.146117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.146117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 716.146117][ T10] ipv6_add_addr+0x411/0x2000 [ 716.146117][ T10] inet6_addr_add+0x30e/0xa40 [ 716.146117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.146117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.146117][ T10] netlink_rcv_skb+0x130/0x360 [ 716.146117][ T10] netlink_unicast+0x449/0x710 [ 716.146117][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.146117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.146117][ T10] ___sys_sendmsg+0xee/0x170 [ 716.146117][ T10] __sys_sendmsg+0xcd/0x170 [ 716.146117][ T10] do_syscall_64+0xc6/0x1e0 [ 716.146117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.146117][ T10] [ 716.148555][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 716.148555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.148555][ T10] ipv6_find_idev+0x102/0x170 [ 716.148555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.148555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.148555][ T10] netlink_rcv_skb+0x130/0x360 [ 716.148555][ T10] netlink_unicast+0x449/0x710 [ 716.148555][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.148555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.148555][ T10] ___sys_sendmsg+0xee/0x170 [ 716.148555][ T10] __sys_sendmsg+0xcd/0x170 [ 716.148555][ T10] do_syscall_64+0xc6/0x1e0 [ 716.148555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.148555][ T10] [ 716.150352][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 716.150352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.150352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.150352][ T10] ipv6_find_idev+0x102/0x170 [ 716.150352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.150352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.150352][ T10] netlink_rcv_skb+0x130/0x360 [ 716.150352][ T10] netlink_unicast+0x449/0x710 [ 716.150352][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.150352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.150352][ T10] ___sys_sendmsg+0xee/0x170 [ 716.150352][ T10] __sys_sendmsg+0xcd/0x170 [ 716.150352][ T10] do_syscall_64+0xc6/0x1e0 [ 716.150352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.150352][ T10] [ 716.152530][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 716.152864][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 716.152864][ T10] netdev_get_by_index+0x5e/0x80 [ 716.152864][ T10] fib6_nh_init+0x3d8/0x15b0 [ 716.152864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 716.152864][ T10] addrconf_f6i_alloc+0x244/0x410 [ 716.152864][ T10] ipv6_add_addr+0x411/0x2000 [ 716.152864][ T10] inet6_addr_add+0x30e/0xa40 [ 716.152864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 716.152864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.152864][ T10] netlink_rcv_skb+0x130/0x360 [ 716.152864][ T10] netlink_unicast+0x449/0x710 [ 716.152864][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.152864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.152864][ T10] ___sys_sendmsg+0xee/0x170 [ 716.152864][ T10] __sys_sendmsg+0xcd/0x170 [ 716.152864][ T10] do_syscall_64+0xc6/0x1e0 [ 716.152864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.152864][ T10] [ 716.155333][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 716.155333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 716.155333][ T10] ipv6_find_idev+0x102/0x170 [ 716.155333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.155333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.155333][ T10] netlink_rcv_skb+0x130/0x360 [ 716.155333][ T10] netlink_unicast+0x449/0x710 [ 716.155333][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.155333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.155333][ T10] ___sys_sendmsg+0xee/0x170 [ 716.155333][ T10] __sys_sendmsg+0xcd/0x170 [ 716.155333][ T10] do_syscall_64+0xc6/0x1e0 [ 716.155333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.155333][ T10] [ 716.157281][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 716.157281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 716.157281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 716.157281][ T10] ipv6_find_idev+0x102/0x170 [ 716.157281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 716.157281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 716.157281][ T10] netlink_rcv_skb+0x130/0x360 [ 716.157281][ T10] netlink_unicast+0x449/0x710 [ 716.157281][ T10] netlink_sendmsg+0x723/0xbe0 [ 716.157281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 716.157281][ T10] ___sys_sendmsg+0xee/0x170 [ 716.157281][ T10] __sys_sendmsg+0xcd/0x170 [ 716.157281][ T10] do_syscall_64+0xc6/0x1e0 [ 716.157281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 716.157281][ T10] [ 726.395781][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 726.396192][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 726.396192][ T10] netdev_get_by_index+0x5e/0x80 [ 726.396192][ T10] fib6_nh_init+0x3d8/0x15b0 [ 726.396192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.396192][ T10] addrconf_f6i_alloc+0x244/0x410 [ 726.396192][ T10] ipv6_add_addr+0x411/0x2000 [ 726.396192][ T10] inet6_addr_add+0x30e/0xa40 [ 726.396192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.396192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.396192][ T10] netlink_rcv_skb+0x130/0x360 [ 726.396192][ T10] netlink_unicast+0x449/0x710 [ 726.396192][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.396192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.396192][ T10] ___sys_sendmsg+0xee/0x170 [ 726.396192][ T10] __sys_sendmsg+0xcd/0x170 [ 726.396192][ T10] do_syscall_64+0xc6/0x1e0 [ 726.396192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.396192][ T10] [ 726.398479][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 726.398479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 726.398479][ T10] ipv6_find_idev+0x102/0x170 [ 726.398479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.398479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.398479][ T10] netlink_rcv_skb+0x130/0x360 [ 726.398479][ T10] netlink_unicast+0x449/0x710 [ 726.398479][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.398479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.398479][ T10] ___sys_sendmsg+0xee/0x170 [ 726.398479][ T10] __sys_sendmsg+0xcd/0x170 [ 726.398479][ T10] do_syscall_64+0xc6/0x1e0 [ 726.398479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.398479][ T10] [ 726.400197][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 726.400197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 726.400197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 726.400197][ T10] ipv6_find_idev+0x102/0x170 [ 726.400197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.400197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.400197][ T10] netlink_rcv_skb+0x130/0x360 [ 726.400197][ T10] netlink_unicast+0x449/0x710 [ 726.400197][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.400197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.400197][ T10] ___sys_sendmsg+0xee/0x170 [ 726.400197][ T10] __sys_sendmsg+0xcd/0x170 [ 726.400197][ T10] do_syscall_64+0xc6/0x1e0 [ 726.400197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.400197][ T10] [ 726.402069][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 726.402367][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 726.402367][ T10] netdev_get_by_index+0x5e/0x80 [ 726.402367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 726.402367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.402367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 726.402367][ T10] ipv6_add_addr+0x411/0x2000 [ 726.402367][ T10] inet6_addr_add+0x30e/0xa40 [ 726.402367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.402367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.402367][ T10] netlink_rcv_skb+0x130/0x360 [ 726.402367][ T10] netlink_unicast+0x449/0x710 [ 726.402367][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.402367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.402367][ T10] ___sys_sendmsg+0xee/0x170 [ 726.402367][ T10] __sys_sendmsg+0xcd/0x170 [ 726.402367][ T10] do_syscall_64+0xc6/0x1e0 [ 726.402367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.402367][ T10] [ 726.404590][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 726.404590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 726.404590][ T10] ipv6_find_idev+0x102/0x170 [ 726.404590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.404590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.404590][ T10] netlink_rcv_skb+0x130/0x360 [ 726.404590][ T10] netlink_unicast+0x449/0x710 [ 726.404590][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.404590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.404590][ T10] ___sys_sendmsg+0xee/0x170 [ 726.404590][ T10] __sys_sendmsg+0xcd/0x170 [ 726.404590][ T10] do_syscall_64+0xc6/0x1e0 [ 726.404590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.404590][ T10] [ 726.406309][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 726.406309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 726.406309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 726.406309][ T10] ipv6_find_idev+0x102/0x170 [ 726.406309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.406309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.406309][ T10] netlink_rcv_skb+0x130/0x360 [ 726.406309][ T10] netlink_unicast+0x449/0x710 [ 726.406309][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.406309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.406309][ T10] ___sys_sendmsg+0xee/0x170 [ 726.406309][ T10] __sys_sendmsg+0xcd/0x170 [ 726.406309][ T10] do_syscall_64+0xc6/0x1e0 [ 726.406309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.406309][ T10] [ 726.408165][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 726.408450][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 726.408450][ T10] netdev_get_by_index+0x5e/0x80 [ 726.408450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 726.408450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.408450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 726.408450][ T10] ipv6_add_addr+0x411/0x2000 [ 726.408450][ T10] inet6_addr_add+0x30e/0xa40 [ 726.408450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.408450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.408450][ T10] netlink_rcv_skb+0x130/0x360 [ 726.408450][ T10] netlink_unicast+0x449/0x710 [ 726.408450][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.408450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.408450][ T10] ___sys_sendmsg+0xee/0x170 [ 726.408450][ T10] __sys_sendmsg+0xcd/0x170 [ 726.408450][ T10] do_syscall_64+0xc6/0x1e0 [ 726.408450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.408450][ T10] [ 726.410762][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 726.410762][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 726.410762][ T10] ipv6_find_idev+0x102/0x170 [ 726.410762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.410762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.410762][ T10] netlink_rcv_skb+0x130/0x360 [ 726.410762][ T10] netlink_unicast+0x449/0x710 [ 726.410762][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.410762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.410762][ T10] ___sys_sendmsg+0xee/0x170 [ 726.410762][ T10] __sys_sendmsg+0xcd/0x170 [ 726.410762][ T10] do_syscall_64+0xc6/0x1e0 [ 726.410762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.410762][ T10] [ 726.412537][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 726.412537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 726.412537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 726.412537][ T10] ipv6_find_idev+0x102/0x170 [ 726.412537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.412537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.412537][ T10] netlink_rcv_skb+0x130/0x360 [ 726.412537][ T10] netlink_unicast+0x449/0x710 [ 726.412537][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.412537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.412537][ T10] ___sys_sendmsg+0xee/0x170 [ 726.412537][ T10] __sys_sendmsg+0xcd/0x170 [ 726.412537][ T10] do_syscall_64+0xc6/0x1e0 [ 726.412537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.412537][ T10] [ 726.414480][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 726.415232][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 726.415232][ T10] netdev_get_by_index+0x5e/0x80 [ 726.415232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 726.415232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.415232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 726.415232][ T10] ipv6_add_addr+0x411/0x2000 [ 726.415232][ T10] inet6_addr_add+0x30e/0xa40 [ 726.415232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.415232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.415232][ T10] netlink_rcv_skb+0x130/0x360 [ 726.415232][ T10] netlink_unicast+0x449/0x710 [ 726.415232][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.415232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.415232][ T10] ___sys_sendmsg+0xee/0x170 [ 726.415232][ T10] __sys_sendmsg+0xcd/0x170 [ 726.415232][ T10] do_syscall_64+0xc6/0x1e0 [ 726.415232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.415232][ T10] [ 726.417561][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 726.417561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 726.417561][ T10] ipv6_find_idev+0x102/0x170 [ 726.417561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.417561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.417561][ T10] netlink_rcv_skb+0x130/0x360 [ 726.417561][ T10] netlink_unicast+0x449/0x710 [ 726.417561][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.417561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.417561][ T10] ___sys_sendmsg+0xee/0x170 [ 726.417561][ T10] __sys_sendmsg+0xcd/0x170 [ 726.417561][ T10] do_syscall_64+0xc6/0x1e0 [ 726.417561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.417561][ T10] [ 726.419358][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 726.419358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 726.419358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 726.419358][ T10] ipv6_find_idev+0x102/0x170 [ 726.419358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.419358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.419358][ T10] netlink_rcv_skb+0x130/0x360 [ 726.419358][ T10] netlink_unicast+0x449/0x710 [ 726.419358][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.419358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.419358][ T10] ___sys_sendmsg+0xee/0x170 [ 726.419358][ T10] __sys_sendmsg+0xcd/0x170 [ 726.419358][ T10] do_syscall_64+0xc6/0x1e0 [ 726.419358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.419358][ T10] [ 726.421336][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 726.421633][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 726.421633][ T10] netdev_get_by_index+0x5e/0x80 [ 726.421633][ T10] fib6_nh_init+0x3d8/0x15b0 [ 726.421633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.421633][ T10] addrconf_f6i_alloc+0x244/0x410 [ 726.421633][ T10] ipv6_add_addr+0x411/0x2000 [ 726.421633][ T10] inet6_addr_add+0x30e/0xa40 [ 726.421633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.421633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.421633][ T10] netlink_rcv_skb+0x130/0x360 [ 726.421633][ T10] netlink_unicast+0x449/0x710 [ 726.421633][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.421633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.421633][ T10] ___sys_sendmsg+0xee/0x170 [ 726.421633][ T10] __sys_sendmsg+0xcd/0x170 [ 726.421633][ T10] do_syscall_64+0xc6/0x1e0 [ 726.421633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.421633][ T10] [ 726.423938][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 726.423938][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 726.423938][ T10] ipv6_find_idev+0x102/0x170 [ 726.423938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.423938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.423938][ T10] netlink_rcv_skb+0x130/0x360 [ 726.423938][ T10] netlink_unicast+0x449/0x710 [ 726.423938][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.423938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.423938][ T10] ___sys_sendmsg+0xee/0x170 [ 726.423938][ T10] __sys_sendmsg+0xcd/0x170 [ 726.423938][ T10] do_syscall_64+0xc6/0x1e0 [ 726.423938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.423938][ T10] [ 726.425725][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 726.425725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 726.425725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 726.425725][ T10] ipv6_find_idev+0x102/0x170 [ 726.425725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.425725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.425725][ T10] netlink_rcv_skb+0x130/0x360 [ 726.425725][ T10] netlink_unicast+0x449/0x710 [ 726.425725][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.425725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.425725][ T10] ___sys_sendmsg+0xee/0x170 [ 726.425725][ T10] __sys_sendmsg+0xcd/0x170 [ 726.425725][ T10] do_syscall_64+0xc6/0x1e0 [ 726.425725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.425725][ T10] [ 726.427702][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 726.428002][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 726.428002][ T10] netdev_get_by_index+0x5e/0x80 [ 726.428002][ T10] fib6_nh_init+0x3d8/0x15b0 [ 726.428002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.428002][ T10] addrconf_f6i_alloc+0x244/0x410 [ 726.428002][ T10] ipv6_add_addr+0x411/0x2000 [ 726.428002][ T10] inet6_addr_add+0x30e/0xa40 [ 726.428002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.428002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.428002][ T10] netlink_rcv_skb+0x130/0x360 [ 726.428002][ T10] netlink_unicast+0x449/0x710 [ 726.428002][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.428002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.428002][ T10] ___sys_sendmsg+0xee/0x170 [ 726.428002][ T10] __sys_sendmsg+0xcd/0x170 [ 726.428002][ T10] do_syscall_64+0xc6/0x1e0 [ 726.428002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.428002][ T10] [ 726.430371][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 726.430371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 726.430371][ T10] ipv6_find_idev+0x102/0x170 [ 726.430371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.430371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.430371][ T10] netlink_rcv_skb+0x130/0x360 [ 726.430371][ T10] netlink_unicast+0x449/0x710 [ 726.430371][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.430371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.430371][ T10] ___sys_sendmsg+0xee/0x170 [ 726.430371][ T10] __sys_sendmsg+0xcd/0x170 [ 726.430371][ T10] do_syscall_64+0xc6/0x1e0 [ 726.430371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.430371][ T10] [ 726.432395][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 726.432395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 726.432395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 726.432395][ T10] ipv6_find_idev+0x102/0x170 [ 726.432395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.432395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.432395][ T10] netlink_rcv_skb+0x130/0x360 [ 726.432395][ T10] netlink_unicast+0x449/0x710 [ 726.432395][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.432395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.432395][ T10] ___sys_sendmsg+0xee/0x170 [ 726.432395][ T10] __sys_sendmsg+0xcd/0x170 [ 726.432395][ T10] do_syscall_64+0xc6/0x1e0 [ 726.432395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.432395][ T10] [ 726.434597][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 726.434956][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 726.434956][ T10] netdev_get_by_index+0x5e/0x80 [ 726.434956][ T10] fib6_nh_init+0x3d8/0x15b0 [ 726.434956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.434956][ T10] addrconf_f6i_alloc+0x244/0x410 [ 726.434956][ T10] ipv6_add_addr+0x411/0x2000 [ 726.434956][ T10] inet6_addr_add+0x30e/0xa40 [ 726.434956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.434956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.434956][ T10] netlink_rcv_skb+0x130/0x360 [ 726.434956][ T10] netlink_unicast+0x449/0x710 [ 726.434956][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.434956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.434956][ T10] ___sys_sendmsg+0xee/0x170 [ 726.434956][ T10] __sys_sendmsg+0xcd/0x170 [ 726.434956][ T10] do_syscall_64+0xc6/0x1e0 [ 726.434956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.434956][ T10] [ 726.437457][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 726.437457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 726.437457][ T10] ipv6_find_idev+0x102/0x170 [ 726.437457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.437457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.437457][ T10] netlink_rcv_skb+0x130/0x360 [ 726.437457][ T10] netlink_unicast+0x449/0x710 [ 726.437457][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.437457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.437457][ T10] ___sys_sendmsg+0xee/0x170 [ 726.437457][ T10] __sys_sendmsg+0xcd/0x170 [ 726.437457][ T10] do_syscall_64+0xc6/0x1e0 [ 726.437457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.437457][ T10] [ 726.439407][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 726.439407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 726.439407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 726.439407][ T10] ipv6_find_idev+0x102/0x170 [ 726.439407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.439407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.439407][ T10] netlink_rcv_skb+0x130/0x360 [ 726.439407][ T10] netlink_unicast+0x449/0x710 [ 726.439407][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.439407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.439407][ T10] ___sys_sendmsg+0xee/0x170 [ 726.439407][ T10] __sys_sendmsg+0xcd/0x170 [ 726.439407][ T10] do_syscall_64+0xc6/0x1e0 [ 726.439407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.439407][ T10] [ 726.441572][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 726.441927][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 726.441927][ T10] netdev_get_by_index+0x5e/0x80 [ 726.441927][ T10] fib6_nh_init+0x3d8/0x15b0 [ 726.441927][ T10] ip6_route_info_create+0xf18/0x17d0 [ 726.441927][ T10] addrconf_f6i_alloc+0x244/0x410 [ 726.441927][ T10] ipv6_add_addr+0x411/0x2000 [ 726.441927][ T10] inet6_addr_add+0x30e/0xa40 [ 726.441927][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 726.441927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.441927][ T10] netlink_rcv_skb+0x130/0x360 [ 726.441927][ T10] netlink_unicast+0x449/0x710 [ 726.441927][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.441927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.441927][ T10] ___sys_sendmsg+0xee/0x170 [ 726.441927][ T10] __sys_sendmsg+0xcd/0x170 [ 726.441927][ T10] do_syscall_64+0xc6/0x1e0 [ 726.441927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.441927][ T10] [ 726.444489][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 726.444489][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 726.444489][ T10] ipv6_find_idev+0x102/0x170 [ 726.444489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.444489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.444489][ T10] netlink_rcv_skb+0x130/0x360 [ 726.444489][ T10] netlink_unicast+0x449/0x710 [ 726.444489][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.444489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.444489][ T10] ___sys_sendmsg+0xee/0x170 [ 726.444489][ T10] __sys_sendmsg+0xcd/0x170 [ 726.444489][ T10] do_syscall_64+0xc6/0x1e0 [ 726.444489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.444489][ T10] [ 726.446451][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 726.446451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 726.446451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 726.446451][ T10] ipv6_find_idev+0x102/0x170 [ 726.446451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 726.446451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 726.446451][ T10] netlink_rcv_skb+0x130/0x360 [ 726.446451][ T10] netlink_unicast+0x449/0x710 [ 726.446451][ T10] netlink_sendmsg+0x723/0xbe0 [ 726.446451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 726.446451][ T10] ___sys_sendmsg+0xee/0x170 [ 726.446451][ T10] __sys_sendmsg+0xcd/0x170 [ 726.446451][ T10] do_syscall_64+0xc6/0x1e0 [ 726.446451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 726.446451][ T10] [ 736.659749][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 736.660181][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 736.660181][ T10] netdev_get_by_index+0x5e/0x80 [ 736.660181][ T10] fib6_nh_init+0x3d8/0x15b0 [ 736.660181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 736.660181][ T10] addrconf_f6i_alloc+0x244/0x410 [ 736.660181][ T10] ipv6_add_addr+0x411/0x2000 [ 736.660181][ T10] inet6_addr_add+0x30e/0xa40 [ 736.660181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 736.660181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.660181][ T10] netlink_rcv_skb+0x130/0x360 [ 736.660181][ T10] netlink_unicast+0x449/0x710 [ 736.660181][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.660181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.660181][ T10] ___sys_sendmsg+0xee/0x170 [ 736.660181][ T10] __sys_sendmsg+0xcd/0x170 [ 736.660181][ T10] do_syscall_64+0xc6/0x1e0 [ 736.660181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.660181][ T10] [ 736.662514][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 736.662514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 736.662514][ T10] ipv6_find_idev+0x102/0x170 [ 736.662514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.662514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.662514][ T10] netlink_rcv_skb+0x130/0x360 [ 736.662514][ T10] netlink_unicast+0x449/0x710 [ 736.662514][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.662514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.662514][ T10] ___sys_sendmsg+0xee/0x170 [ 736.662514][ T10] __sys_sendmsg+0xcd/0x170 [ 736.662514][ T10] do_syscall_64+0xc6/0x1e0 [ 736.662514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.662514][ T10] [ 736.664296][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 736.664296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 736.664296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 736.664296][ T10] ipv6_find_idev+0x102/0x170 [ 736.664296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.664296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.664296][ T10] netlink_rcv_skb+0x130/0x360 [ 736.664296][ T10] netlink_unicast+0x449/0x710 [ 736.664296][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.664296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.664296][ T10] ___sys_sendmsg+0xee/0x170 [ 736.664296][ T10] __sys_sendmsg+0xcd/0x170 [ 736.664296][ T10] do_syscall_64+0xc6/0x1e0 [ 736.664296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.664296][ T10] [ 736.666261][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 736.666567][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 736.666567][ T10] netdev_get_by_index+0x5e/0x80 [ 736.666567][ T10] fib6_nh_init+0x3d8/0x15b0 [ 736.666567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 736.666567][ T10] addrconf_f6i_alloc+0x244/0x410 [ 736.666567][ T10] ipv6_add_addr+0x411/0x2000 [ 736.666567][ T10] inet6_addr_add+0x30e/0xa40 [ 736.666567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 736.666567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.666567][ T10] netlink_rcv_skb+0x130/0x360 [ 736.666567][ T10] netlink_unicast+0x449/0x710 [ 736.666567][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.666567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.666567][ T10] ___sys_sendmsg+0xee/0x170 [ 736.666567][ T10] __sys_sendmsg+0xcd/0x170 [ 736.666567][ T10] do_syscall_64+0xc6/0x1e0 [ 736.666567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.666567][ T10] [ 736.668870][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 736.668870][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 736.668870][ T10] ipv6_find_idev+0x102/0x170 [ 736.668870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.668870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.668870][ T10] netlink_rcv_skb+0x130/0x360 [ 736.668870][ T10] netlink_unicast+0x449/0x710 [ 736.668870][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.668870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.668870][ T10] ___sys_sendmsg+0xee/0x170 [ 736.668870][ T10] __sys_sendmsg+0xcd/0x170 [ 736.668870][ T10] do_syscall_64+0xc6/0x1e0 [ 736.668870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.668870][ T10] [ 736.670656][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 736.670656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 736.670656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 736.670656][ T10] ipv6_find_idev+0x102/0x170 [ 736.670656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.670656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.670656][ T10] netlink_rcv_skb+0x130/0x360 [ 736.670656][ T10] netlink_unicast+0x449/0x710 [ 736.670656][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.670656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.670656][ T10] ___sys_sendmsg+0xee/0x170 [ 736.670656][ T10] __sys_sendmsg+0xcd/0x170 [ 736.670656][ T10] do_syscall_64+0xc6/0x1e0 [ 736.670656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.670656][ T10] [ 736.672593][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 736.672914][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 736.672914][ T10] netdev_get_by_index+0x5e/0x80 [ 736.672914][ T10] fib6_nh_init+0x3d8/0x15b0 [ 736.672914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 736.672914][ T10] addrconf_f6i_alloc+0x244/0x410 [ 736.672914][ T10] ipv6_add_addr+0x411/0x2000 [ 736.672914][ T10] inet6_addr_add+0x30e/0xa40 [ 736.672914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 736.672914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.672914][ T10] netlink_rcv_skb+0x130/0x360 [ 736.672914][ T10] netlink_unicast+0x449/0x710 [ 736.672914][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.672914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.672914][ T10] ___sys_sendmsg+0xee/0x170 [ 736.672914][ T10] __sys_sendmsg+0xcd/0x170 [ 736.672914][ T10] do_syscall_64+0xc6/0x1e0 [ 736.672914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.672914][ T10] [ 736.675242][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 736.675242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 736.675242][ T10] ipv6_find_idev+0x102/0x170 [ 736.675242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.675242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.675242][ T10] netlink_rcv_skb+0x130/0x360 [ 736.675242][ T10] netlink_unicast+0x449/0x710 [ 736.675242][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.675242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.675242][ T10] ___sys_sendmsg+0xee/0x170 [ 736.675242][ T10] __sys_sendmsg+0xcd/0x170 [ 736.675242][ T10] do_syscall_64+0xc6/0x1e0 [ 736.675242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.675242][ T10] [ 736.677031][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 736.677031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 736.677031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 736.677031][ T10] ipv6_find_idev+0x102/0x170 [ 736.677031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.677031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.677031][ T10] netlink_rcv_skb+0x130/0x360 [ 736.677031][ T10] netlink_unicast+0x449/0x710 [ 736.677031][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.677031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.677031][ T10] ___sys_sendmsg+0xee/0x170 [ 736.677031][ T10] __sys_sendmsg+0xcd/0x170 [ 736.677031][ T10] do_syscall_64+0xc6/0x1e0 [ 736.677031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.677031][ T10] [ 736.678976][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 736.679278][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 736.679278][ T10] netdev_get_by_index+0x5e/0x80 [ 736.679278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 736.679278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 736.679278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 736.679278][ T10] ipv6_add_addr+0x411/0x2000 [ 736.679278][ T10] inet6_addr_add+0x30e/0xa40 [ 736.679278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 736.679278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.679278][ T10] netlink_rcv_skb+0x130/0x360 [ 736.679278][ T10] netlink_unicast+0x449/0x710 [ 736.679278][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.679278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.679278][ T10] ___sys_sendmsg+0xee/0x170 [ 736.679278][ T10] __sys_sendmsg+0xcd/0x170 [ 736.679278][ T10] do_syscall_64+0xc6/0x1e0 [ 736.679278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.679278][ T10] [ 736.681589][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 736.681589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 736.681589][ T10] ipv6_find_idev+0x102/0x170 [ 736.681589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.681589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.681589][ T10] netlink_rcv_skb+0x130/0x360 [ 736.681589][ T10] netlink_unicast+0x449/0x710 [ 736.681589][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.681589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.681589][ T10] ___sys_sendmsg+0xee/0x170 [ 736.681589][ T10] __sys_sendmsg+0xcd/0x170 [ 736.681589][ T10] do_syscall_64+0xc6/0x1e0 [ 736.681589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.681589][ T10] [ 736.683361][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 736.683361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 736.683361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 736.683361][ T10] ipv6_find_idev+0x102/0x170 [ 736.683361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.683361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.683361][ T10] netlink_rcv_skb+0x130/0x360 [ 736.683361][ T10] netlink_unicast+0x449/0x710 [ 736.683361][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.683361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.683361][ T10] ___sys_sendmsg+0xee/0x170 [ 736.683361][ T10] __sys_sendmsg+0xcd/0x170 [ 736.683361][ T10] do_syscall_64+0xc6/0x1e0 [ 736.683361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.683361][ T10] [ 736.685710][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 736.686010][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 736.686010][ T10] netdev_get_by_index+0x5e/0x80 [ 736.686010][ T10] fib6_nh_init+0x3d8/0x15b0 [ 736.686010][ T10] ip6_route_info_create+0xf18/0x17d0 [ 736.686010][ T10] addrconf_f6i_alloc+0x244/0x410 [ 736.686010][ T10] ipv6_add_addr+0x411/0x2000 [ 736.686010][ T10] inet6_addr_add+0x30e/0xa40 [ 736.686010][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 736.686010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.686010][ T10] netlink_rcv_skb+0x130/0x360 [ 736.686010][ T10] netlink_unicast+0x449/0x710 [ 736.686010][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.686010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.686010][ T10] ___sys_sendmsg+0xee/0x170 [ 736.686010][ T10] __sys_sendmsg+0xcd/0x170 [ 736.686010][ T10] do_syscall_64+0xc6/0x1e0 [ 736.686010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.686010][ T10] [ 736.688313][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 736.688313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 736.688313][ T10] ipv6_find_idev+0x102/0x170 [ 736.688313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.688313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.688313][ T10] netlink_rcv_skb+0x130/0x360 [ 736.688313][ T10] netlink_unicast+0x449/0x710 [ 736.688313][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.688313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.688313][ T10] ___sys_sendmsg+0xee/0x170 [ 736.688313][ T10] __sys_sendmsg+0xcd/0x170 [ 736.688313][ T10] do_syscall_64+0xc6/0x1e0 [ 736.688313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.688313][ T10] [ 736.690088][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 736.690088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 736.690088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 736.690088][ T10] ipv6_find_idev+0x102/0x170 [ 736.690088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.690088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.690088][ T10] netlink_rcv_skb+0x130/0x360 [ 736.690088][ T10] netlink_unicast+0x449/0x710 [ 736.690088][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.690088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.690088][ T10] ___sys_sendmsg+0xee/0x170 [ 736.690088][ T10] __sys_sendmsg+0xcd/0x170 [ 736.690088][ T10] do_syscall_64+0xc6/0x1e0 [ 736.690088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.690088][ T10] [ 736.692051][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 736.692350][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 736.692350][ T10] netdev_get_by_index+0x5e/0x80 [ 736.692350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 736.692350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 736.692350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 736.692350][ T10] ipv6_add_addr+0x411/0x2000 [ 736.692350][ T10] inet6_addr_add+0x30e/0xa40 [ 736.692350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 736.692350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.692350][ T10] netlink_rcv_skb+0x130/0x360 [ 736.692350][ T10] netlink_unicast+0x449/0x710 [ 736.692350][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.692350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.692350][ T10] ___sys_sendmsg+0xee/0x170 [ 736.692350][ T10] __sys_sendmsg+0xcd/0x170 [ 736.692350][ T10] do_syscall_64+0xc6/0x1e0 [ 736.692350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.692350][ T10] [ 736.694790][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 736.694790][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 736.694790][ T10] ipv6_find_idev+0x102/0x170 [ 736.694790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.694790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.694790][ T10] netlink_rcv_skb+0x130/0x360 [ 736.694790][ T10] netlink_unicast+0x449/0x710 [ 736.694790][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.694790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.694790][ T10] ___sys_sendmsg+0xee/0x170 [ 736.694790][ T10] __sys_sendmsg+0xcd/0x170 [ 736.694790][ T10] do_syscall_64+0xc6/0x1e0 [ 736.694790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.694790][ T10] [ 736.696823][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 736.696823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 736.696823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 736.696823][ T10] ipv6_find_idev+0x102/0x170 [ 736.696823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.696823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.696823][ T10] netlink_rcv_skb+0x130/0x360 [ 736.696823][ T10] netlink_unicast+0x449/0x710 [ 736.696823][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.696823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.696823][ T10] ___sys_sendmsg+0xee/0x170 [ 736.696823][ T10] __sys_sendmsg+0xcd/0x170 [ 736.696823][ T10] do_syscall_64+0xc6/0x1e0 [ 736.696823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.696823][ T10] [ 736.698990][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 736.699285][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 736.699285][ T10] netdev_get_by_index+0x5e/0x80 [ 736.699285][ T10] fib6_nh_init+0x3d8/0x15b0 [ 736.699285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 736.699285][ T10] addrconf_f6i_alloc+0x244/0x410 [ 736.699285][ T10] ipv6_add_addr+0x411/0x2000 [ 736.699285][ T10] inet6_addr_add+0x30e/0xa40 [ 736.699285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 736.699285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.699285][ T10] netlink_rcv_skb+0x130/0x360 [ 736.699285][ T10] netlink_unicast+0x449/0x710 [ 736.699285][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.699285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.699285][ T10] ___sys_sendmsg+0xee/0x170 [ 736.699285][ T10] __sys_sendmsg+0xcd/0x170 [ 736.699285][ T10] do_syscall_64+0xc6/0x1e0 [ 736.699285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.699285][ T10] [ 736.701827][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 736.701827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 736.701827][ T10] ipv6_find_idev+0x102/0x170 [ 736.701827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.701827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.701827][ T10] netlink_rcv_skb+0x130/0x360 [ 736.701827][ T10] netlink_unicast+0x449/0x710 [ 736.701827][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.701827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.701827][ T10] ___sys_sendmsg+0xee/0x170 [ 736.701827][ T10] __sys_sendmsg+0xcd/0x170 [ 736.701827][ T10] do_syscall_64+0xc6/0x1e0 [ 736.701827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.701827][ T10] [ 736.703788][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 736.703788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 736.703788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 736.703788][ T10] ipv6_find_idev+0x102/0x170 [ 736.703788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.703788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.703788][ T10] netlink_rcv_skb+0x130/0x360 [ 736.703788][ T10] netlink_unicast+0x449/0x710 [ 736.703788][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.703788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.703788][ T10] ___sys_sendmsg+0xee/0x170 [ 736.703788][ T10] __sys_sendmsg+0xcd/0x170 [ 736.703788][ T10] do_syscall_64+0xc6/0x1e0 [ 736.703788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.703788][ T10] [ 736.705939][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 736.706237][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 736.706237][ T10] netdev_get_by_index+0x5e/0x80 [ 736.706237][ T10] fib6_nh_init+0x3d8/0x15b0 [ 736.706237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 736.706237][ T10] addrconf_f6i_alloc+0x244/0x410 [ 736.706237][ T10] ipv6_add_addr+0x411/0x2000 [ 736.706237][ T10] inet6_addr_add+0x30e/0xa40 [ 736.706237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 736.706237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.706237][ T10] netlink_rcv_skb+0x130/0x360 [ 736.706237][ T10] netlink_unicast+0x449/0x710 [ 736.706237][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.706237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.706237][ T10] ___sys_sendmsg+0xee/0x170 [ 736.706237][ T10] __sys_sendmsg+0xcd/0x170 [ 736.706237][ T10] do_syscall_64+0xc6/0x1e0 [ 736.706237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.706237][ T10] [ 736.708861][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 736.708861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 736.708861][ T10] ipv6_find_idev+0x102/0x170 [ 736.708861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.708861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.708861][ T10] netlink_rcv_skb+0x130/0x360 [ 736.708861][ T10] netlink_unicast+0x449/0x710 [ 736.708861][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.708861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.708861][ T10] ___sys_sendmsg+0xee/0x170 [ 736.708861][ T10] __sys_sendmsg+0xcd/0x170 [ 736.708861][ T10] do_syscall_64+0xc6/0x1e0 [ 736.708861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.708861][ T10] [ 736.710823][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 736.710823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 736.710823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 736.710823][ T10] ipv6_find_idev+0x102/0x170 [ 736.710823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 736.710823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 736.710823][ T10] netlink_rcv_skb+0x130/0x360 [ 736.710823][ T10] netlink_unicast+0x449/0x710 [ 736.710823][ T10] netlink_sendmsg+0x723/0xbe0 [ 736.710823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 736.710823][ T10] ___sys_sendmsg+0xee/0x170 [ 736.710823][ T10] __sys_sendmsg+0xcd/0x170 [ 736.710823][ T10] do_syscall_64+0xc6/0x1e0 [ 736.710823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 736.710823][ T10]