[ 533.355750][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 533.356127][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 533.356127][ T10] netdev_get_by_index+0x5e/0x80 [ 533.356127][ T10] fib6_nh_init+0x3d8/0x15b0 [ 533.356127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 533.356127][ T10] addrconf_f6i_alloc+0x244/0x410 [ 533.356127][ T10] ipv6_add_addr+0x411/0x2000 [ 533.356127][ T10] inet6_addr_add+0x30e/0xa40 [ 533.356127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 533.356127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.356127][ T10] netlink_rcv_skb+0x130/0x360 [ 533.356127][ T10] netlink_unicast+0x449/0x710 [ 533.356127][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.356127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.356127][ T10] ___sys_sendmsg+0xee/0x170 [ 533.356127][ T10] __sys_sendmsg+0xcd/0x170 [ 533.356127][ T10] do_syscall_64+0xc6/0x1e0 [ 533.356127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.356127][ T10] [ 533.358439][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 533.358439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 533.358439][ T10] ipv6_find_idev+0x102/0x170 [ 533.358439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.358439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.358439][ T10] netlink_rcv_skb+0x130/0x360 [ 533.358439][ T10] netlink_unicast+0x449/0x710 [ 533.358439][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.358439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.358439][ T10] ___sys_sendmsg+0xee/0x170 [ 533.358439][ T10] __sys_sendmsg+0xcd/0x170 [ 533.358439][ T10] do_syscall_64+0xc6/0x1e0 [ 533.358439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.358439][ T10] [ 533.360220][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 533.360220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 533.360220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 533.360220][ T10] ipv6_find_idev+0x102/0x170 [ 533.360220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.360220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.360220][ T10] netlink_rcv_skb+0x130/0x360 [ 533.360220][ T10] netlink_unicast+0x449/0x710 [ 533.360220][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.360220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.360220][ T10] ___sys_sendmsg+0xee/0x170 [ 533.360220][ T10] __sys_sendmsg+0xcd/0x170 [ 533.360220][ T10] do_syscall_64+0xc6/0x1e0 [ 533.360220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.360220][ T10] [ 533.362139][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 533.362442][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 533.362442][ T10] netdev_get_by_index+0x5e/0x80 [ 533.362442][ T10] fib6_nh_init+0x3d8/0x15b0 [ 533.362442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 533.362442][ T10] addrconf_f6i_alloc+0x244/0x410 [ 533.362442][ T10] ipv6_add_addr+0x411/0x2000 [ 533.362442][ T10] inet6_addr_add+0x30e/0xa40 [ 533.362442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 533.362442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.362442][ T10] netlink_rcv_skb+0x130/0x360 [ 533.362442][ T10] netlink_unicast+0x449/0x710 [ 533.362442][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.362442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.362442][ T10] ___sys_sendmsg+0xee/0x170 [ 533.362442][ T10] __sys_sendmsg+0xcd/0x170 [ 533.362442][ T10] do_syscall_64+0xc6/0x1e0 [ 533.362442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.362442][ T10] [ 533.364737][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 533.364737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 533.364737][ T10] ipv6_find_idev+0x102/0x170 [ 533.364737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.364737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.364737][ T10] netlink_rcv_skb+0x130/0x360 [ 533.364737][ T10] netlink_unicast+0x449/0x710 [ 533.364737][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.364737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.364737][ T10] ___sys_sendmsg+0xee/0x170 [ 533.364737][ T10] __sys_sendmsg+0xcd/0x170 [ 533.364737][ T10] do_syscall_64+0xc6/0x1e0 [ 533.364737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.364737][ T10] [ 533.366522][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 533.366522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 533.366522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 533.366522][ T10] ipv6_find_idev+0x102/0x170 [ 533.366522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.366522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.366522][ T10] netlink_rcv_skb+0x130/0x360 [ 533.366522][ T10] netlink_unicast+0x449/0x710 [ 533.366522][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.366522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.366522][ T10] ___sys_sendmsg+0xee/0x170 [ 533.366522][ T10] __sys_sendmsg+0xcd/0x170 [ 533.366522][ T10] do_syscall_64+0xc6/0x1e0 [ 533.366522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.366522][ T10] [ 533.368412][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 533.368714][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 533.368714][ T10] netdev_get_by_index+0x5e/0x80 [ 533.368714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 533.368714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 533.368714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 533.368714][ T10] ipv6_add_addr+0x411/0x2000 [ 533.368714][ T10] inet6_addr_add+0x30e/0xa40 [ 533.368714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 533.368714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.368714][ T10] netlink_rcv_skb+0x130/0x360 [ 533.368714][ T10] netlink_unicast+0x449/0x710 [ 533.368714][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.368714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.368714][ T10] ___sys_sendmsg+0xee/0x170 [ 533.368714][ T10] __sys_sendmsg+0xcd/0x170 [ 533.368714][ T10] do_syscall_64+0xc6/0x1e0 [ 533.368714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.368714][ T10] [ 533.370943][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 533.370943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 533.370943][ T10] ipv6_find_idev+0x102/0x170 [ 533.370943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.370943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.370943][ T10] netlink_rcv_skb+0x130/0x360 [ 533.370943][ T10] netlink_unicast+0x449/0x710 [ 533.370943][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.370943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.370943][ T10] ___sys_sendmsg+0xee/0x170 [ 533.370943][ T10] __sys_sendmsg+0xcd/0x170 [ 533.370943][ T10] do_syscall_64+0xc6/0x1e0 [ 533.370943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.370943][ T10] [ 533.372652][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 533.372652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 533.372652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 533.372652][ T10] ipv6_find_idev+0x102/0x170 [ 533.372652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.372652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.372652][ T10] netlink_rcv_skb+0x130/0x360 [ 533.372652][ T10] netlink_unicast+0x449/0x710 [ 533.372652][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.372652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.372652][ T10] ___sys_sendmsg+0xee/0x170 [ 533.372652][ T10] __sys_sendmsg+0xcd/0x170 [ 533.372652][ T10] do_syscall_64+0xc6/0x1e0 [ 533.372652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.372652][ T10] [ 533.374734][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 533.375036][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 533.375036][ T10] netdev_get_by_index+0x5e/0x80 [ 533.375036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 533.375036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 533.375036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 533.375036][ T10] ipv6_add_addr+0x411/0x2000 [ 533.375036][ T10] inet6_addr_add+0x30e/0xa40 [ 533.375036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 533.375036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.375036][ T10] netlink_rcv_skb+0x130/0x360 [ 533.375036][ T10] netlink_unicast+0x449/0x710 [ 533.375036][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.375036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.375036][ T10] ___sys_sendmsg+0xee/0x170 [ 533.375036][ T10] __sys_sendmsg+0xcd/0x170 [ 533.375036][ T10] do_syscall_64+0xc6/0x1e0 [ 533.375036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.375036][ T10] [ 533.377489][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 533.377489][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 533.377489][ T10] ipv6_find_idev+0x102/0x170 [ 533.377489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.377489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.377489][ T10] netlink_rcv_skb+0x130/0x360 [ 533.377489][ T10] netlink_unicast+0x449/0x710 [ 533.377489][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.377489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.377489][ T10] ___sys_sendmsg+0xee/0x170 [ 533.377489][ T10] __sys_sendmsg+0xcd/0x170 [ 533.377489][ T10] do_syscall_64+0xc6/0x1e0 [ 533.377489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.377489][ T10] [ 533.379294][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 533.379294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 533.379294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 533.379294][ T10] ipv6_find_idev+0x102/0x170 [ 533.379294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.379294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.379294][ T10] netlink_rcv_skb+0x130/0x360 [ 533.379294][ T10] netlink_unicast+0x449/0x710 [ 533.379294][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.379294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.379294][ T10] ___sys_sendmsg+0xee/0x170 [ 533.379294][ T10] __sys_sendmsg+0xcd/0x170 [ 533.379294][ T10] do_syscall_64+0xc6/0x1e0 [ 533.379294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.379294][ T10] [ 533.381830][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 533.382140][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 533.382140][ T10] netdev_get_by_index+0x5e/0x80 [ 533.382140][ T10] fib6_nh_init+0x3d8/0x15b0 [ 533.382140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 533.382140][ T10] addrconf_f6i_alloc+0x244/0x410 [ 533.382140][ T10] ipv6_add_addr+0x411/0x2000 [ 533.382140][ T10] inet6_addr_add+0x30e/0xa40 [ 533.382140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 533.382140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.382140][ T10] netlink_rcv_skb+0x130/0x360 [ 533.382140][ T10] netlink_unicast+0x449/0x710 [ 533.382140][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.382140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.382140][ T10] ___sys_sendmsg+0xee/0x170 [ 533.382140][ T10] __sys_sendmsg+0xcd/0x170 [ 533.382140][ T10] do_syscall_64+0xc6/0x1e0 [ 533.382140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.382140][ T10] [ 533.384500][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 533.384500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 533.384500][ T10] ipv6_find_idev+0x102/0x170 [ 533.384500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.384500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.384500][ T10] netlink_rcv_skb+0x130/0x360 [ 533.384500][ T10] netlink_unicast+0x449/0x710 [ 533.384500][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.384500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.384500][ T10] ___sys_sendmsg+0xee/0x170 [ 533.384500][ T10] __sys_sendmsg+0xcd/0x170 [ 533.384500][ T10] do_syscall_64+0xc6/0x1e0 [ 533.384500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.384500][ T10] [ 533.386490][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 533.386490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 533.386490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 533.386490][ T10] ipv6_find_idev+0x102/0x170 [ 533.386490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.386490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.386490][ T10] netlink_rcv_skb+0x130/0x360 [ 533.386490][ T10] netlink_unicast+0x449/0x710 [ 533.386490][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.386490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.386490][ T10] ___sys_sendmsg+0xee/0x170 [ 533.386490][ T10] __sys_sendmsg+0xcd/0x170 [ 533.386490][ T10] do_syscall_64+0xc6/0x1e0 [ 533.386490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.386490][ T10] [ 533.388663][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 533.388958][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 533.388958][ T10] netdev_get_by_index+0x5e/0x80 [ 533.388958][ T10] fib6_nh_init+0x3d8/0x15b0 [ 533.388958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 533.388958][ T10] addrconf_f6i_alloc+0x244/0x410 [ 533.388958][ T10] ipv6_add_addr+0x411/0x2000 [ 533.388958][ T10] inet6_addr_add+0x30e/0xa40 [ 533.388958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 533.388958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.388958][ T10] netlink_rcv_skb+0x130/0x360 [ 533.388958][ T10] netlink_unicast+0x449/0x710 [ 533.388958][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.388958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.388958][ T10] ___sys_sendmsg+0xee/0x170 [ 533.388958][ T10] __sys_sendmsg+0xcd/0x170 [ 533.388958][ T10] do_syscall_64+0xc6/0x1e0 [ 533.388958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.388958][ T10] [ 533.391372][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 533.391372][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 533.391372][ T10] ipv6_find_idev+0x102/0x170 [ 533.391372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.391372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.391372][ T10] netlink_rcv_skb+0x130/0x360 [ 533.391372][ T10] netlink_unicast+0x449/0x710 [ 533.391372][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.391372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.391372][ T10] ___sys_sendmsg+0xee/0x170 [ 533.391372][ T10] __sys_sendmsg+0xcd/0x170 [ 533.391372][ T10] do_syscall_64+0xc6/0x1e0 [ 533.391372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.391372][ T10] [ 533.393249][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 533.393249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 533.393249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 533.393249][ T10] ipv6_find_idev+0x102/0x170 [ 533.393249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.393249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.393249][ T10] netlink_rcv_skb+0x130/0x360 [ 533.393249][ T10] netlink_unicast+0x449/0x710 [ 533.393249][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.393249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.393249][ T10] ___sys_sendmsg+0xee/0x170 [ 533.393249][ T10] __sys_sendmsg+0xcd/0x170 [ 533.393249][ T10] do_syscall_64+0xc6/0x1e0 [ 533.393249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.393249][ T10] [ 533.395375][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 533.395676][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 533.395676][ T10] netdev_get_by_index+0x5e/0x80 [ 533.395676][ T10] fib6_nh_init+0x3d8/0x15b0 [ 533.395676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 533.395676][ T10] addrconf_f6i_alloc+0x244/0x410 [ 533.395676][ T10] ipv6_add_addr+0x411/0x2000 [ 533.395676][ T10] inet6_addr_add+0x30e/0xa40 [ 533.395676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 533.395676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.395676][ T10] netlink_rcv_skb+0x130/0x360 [ 533.395676][ T10] netlink_unicast+0x449/0x710 [ 533.395676][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.395676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.395676][ T10] ___sys_sendmsg+0xee/0x170 [ 533.395676][ T10] __sys_sendmsg+0xcd/0x170 [ 533.395676][ T10] do_syscall_64+0xc6/0x1e0 [ 533.395676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.395676][ T10] [ 533.398283][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 533.398283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 533.398283][ T10] ipv6_find_idev+0x102/0x170 [ 533.398283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.398283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.398283][ T10] netlink_rcv_skb+0x130/0x360 [ 533.398283][ T10] netlink_unicast+0x449/0x710 [ 533.398283][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.398283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.398283][ T10] ___sys_sendmsg+0xee/0x170 [ 533.398283][ T10] __sys_sendmsg+0xcd/0x170 [ 533.398283][ T10] do_syscall_64+0xc6/0x1e0 [ 533.398283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.398283][ T10] [ 533.400363][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 533.400363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 533.400363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 533.400363][ T10] ipv6_find_idev+0x102/0x170 [ 533.400363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.400363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.400363][ T10] netlink_rcv_skb+0x130/0x360 [ 533.400363][ T10] netlink_unicast+0x449/0x710 [ 533.400363][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.400363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.400363][ T10] ___sys_sendmsg+0xee/0x170 [ 533.400363][ T10] __sys_sendmsg+0xcd/0x170 [ 533.400363][ T10] do_syscall_64+0xc6/0x1e0 [ 533.400363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.400363][ T10] [ 533.402584][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 533.402933][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 533.402933][ T10] netdev_get_by_index+0x5e/0x80 [ 533.402933][ T10] fib6_nh_init+0x3d8/0x15b0 [ 533.402933][ T10] ip6_route_info_create+0xf18/0x17d0 [ 533.402933][ T10] addrconf_f6i_alloc+0x244/0x410 [ 533.402933][ T10] ipv6_add_addr+0x411/0x2000 [ 533.402933][ T10] inet6_addr_add+0x30e/0xa40 [ 533.402933][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 533.402933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.402933][ T10] netlink_rcv_skb+0x130/0x360 [ 533.402933][ T10] netlink_unicast+0x449/0x710 [ 533.402933][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.402933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.402933][ T10] ___sys_sendmsg+0xee/0x170 [ 533.402933][ T10] __sys_sendmsg+0xcd/0x170 [ 533.402933][ T10] do_syscall_64+0xc6/0x1e0 [ 533.402933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.402933][ T10] [ 533.405277][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 533.405277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 533.405277][ T10] ipv6_find_idev+0x102/0x170 [ 533.405277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.405277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.405277][ T10] netlink_rcv_skb+0x130/0x360 [ 533.405277][ T10] netlink_unicast+0x449/0x710 [ 533.405277][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.405277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.405277][ T10] ___sys_sendmsg+0xee/0x170 [ 533.405277][ T10] __sys_sendmsg+0xcd/0x170 [ 533.405277][ T10] do_syscall_64+0xc6/0x1e0 [ 533.405277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.405277][ T10] [ 533.407224][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 533.407224][ T10] neigh_parms_alloc+0x1e5/0x510 [ 533.407224][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 533.407224][ T10] ipv6_find_idev+0x102/0x170 [ 533.407224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 533.407224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 533.407224][ T10] netlink_rcv_skb+0x130/0x360 [ 533.407224][ T10] netlink_unicast+0x449/0x710 [ 533.407224][ T10] netlink_sendmsg+0x723/0xbe0 [ 533.407224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 533.407224][ T10] ___sys_sendmsg+0xee/0x170 [ 533.407224][ T10] __sys_sendmsg+0xcd/0x170 [ 533.407224][ T10] do_syscall_64+0xc6/0x1e0 [ 533.407224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 533.407224][ T10] [ 539.058388][ T1124] netem: version 1.3 [ 543.523750][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 543.524231][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 543.524231][ T10] netdev_get_by_index+0x5e/0x80 [ 543.524231][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.524231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.524231][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.524231][ T10] ipv6_add_addr+0x411/0x2000 [ 543.524231][ T10] inet6_addr_add+0x30e/0xa40 [ 543.524231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.524231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.524231][ T10] netlink_rcv_skb+0x130/0x360 [ 543.524231][ T10] netlink_unicast+0x449/0x710 [ 543.524231][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.524231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.524231][ T10] ___sys_sendmsg+0xee/0x170 [ 543.524231][ T10] __sys_sendmsg+0xcd/0x170 [ 543.524231][ T10] do_syscall_64+0xc6/0x1e0 [ 543.524231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.524231][ T10] [ 543.526534][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 543.526534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.526534][ T10] ipv6_find_idev+0x102/0x170 [ 543.526534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.526534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.526534][ T10] netlink_rcv_skb+0x130/0x360 [ 543.526534][ T10] netlink_unicast+0x449/0x710 [ 543.526534][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.526534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.526534][ T10] ___sys_sendmsg+0xee/0x170 [ 543.526534][ T10] __sys_sendmsg+0xcd/0x170 [ 543.526534][ T10] do_syscall_64+0xc6/0x1e0 [ 543.526534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.526534][ T10] [ 543.528302][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 543.528302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.528302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.528302][ T10] ipv6_find_idev+0x102/0x170 [ 543.528302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.528302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.528302][ T10] netlink_rcv_skb+0x130/0x360 [ 543.528302][ T10] netlink_unicast+0x449/0x710 [ 543.528302][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.528302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.528302][ T10] ___sys_sendmsg+0xee/0x170 [ 543.528302][ T10] __sys_sendmsg+0xcd/0x170 [ 543.528302][ T10] do_syscall_64+0xc6/0x1e0 [ 543.528302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.528302][ T10] [ 543.530206][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 543.530502][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 543.530502][ T10] netdev_get_by_index+0x5e/0x80 [ 543.530502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.530502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.530502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.530502][ T10] ipv6_add_addr+0x411/0x2000 [ 543.530502][ T10] inet6_addr_add+0x30e/0xa40 [ 543.530502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.530502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.530502][ T10] netlink_rcv_skb+0x130/0x360 [ 543.530502][ T10] netlink_unicast+0x449/0x710 [ 543.530502][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.530502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.530502][ T10] ___sys_sendmsg+0xee/0x170 [ 543.530502][ T10] __sys_sendmsg+0xcd/0x170 [ 543.530502][ T10] do_syscall_64+0xc6/0x1e0 [ 543.530502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.530502][ T10] [ 543.532753][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 543.532753][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.532753][ T10] ipv6_find_idev+0x102/0x170 [ 543.532753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.532753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.532753][ T10] netlink_rcv_skb+0x130/0x360 [ 543.532753][ T10] netlink_unicast+0x449/0x710 [ 543.532753][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.532753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.532753][ T10] ___sys_sendmsg+0xee/0x170 [ 543.532753][ T10] __sys_sendmsg+0xcd/0x170 [ 543.532753][ T10] do_syscall_64+0xc6/0x1e0 [ 543.532753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.532753][ T10] [ 543.534499][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 543.534499][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.534499][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.534499][ T10] ipv6_find_idev+0x102/0x170 [ 543.534499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.534499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.534499][ T10] netlink_rcv_skb+0x130/0x360 [ 543.534499][ T10] netlink_unicast+0x449/0x710 [ 543.534499][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.534499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.534499][ T10] ___sys_sendmsg+0xee/0x170 [ 543.534499][ T10] __sys_sendmsg+0xcd/0x170 [ 543.534499][ T10] do_syscall_64+0xc6/0x1e0 [ 543.534499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.534499][ T10] [ 543.536401][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 543.536712][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 543.536712][ T10] netdev_get_by_index+0x5e/0x80 [ 543.536712][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.536712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.536712][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.536712][ T10] ipv6_add_addr+0x411/0x2000 [ 543.536712][ T10] inet6_addr_add+0x30e/0xa40 [ 543.536712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.536712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.536712][ T10] netlink_rcv_skb+0x130/0x360 [ 543.536712][ T10] netlink_unicast+0x449/0x710 [ 543.536712][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.536712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.536712][ T10] ___sys_sendmsg+0xee/0x170 [ 543.536712][ T10] __sys_sendmsg+0xcd/0x170 [ 543.536712][ T10] do_syscall_64+0xc6/0x1e0 [ 543.536712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.536712][ T10] [ 543.538997][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 543.538997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.538997][ T10] ipv6_find_idev+0x102/0x170 [ 543.538997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.538997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.538997][ T10] netlink_rcv_skb+0x130/0x360 [ 543.538997][ T10] netlink_unicast+0x449/0x710 [ 543.538997][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.538997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.538997][ T10] ___sys_sendmsg+0xee/0x170 [ 543.538997][ T10] __sys_sendmsg+0xcd/0x170 [ 543.538997][ T10] do_syscall_64+0xc6/0x1e0 [ 543.538997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.538997][ T10] [ 543.540745][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 543.540745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.540745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.540745][ T10] ipv6_find_idev+0x102/0x170 [ 543.540745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.540745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.540745][ T10] netlink_rcv_skb+0x130/0x360 [ 543.540745][ T10] netlink_unicast+0x449/0x710 [ 543.540745][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.540745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.540745][ T10] ___sys_sendmsg+0xee/0x170 [ 543.540745][ T10] __sys_sendmsg+0xcd/0x170 [ 543.540745][ T10] do_syscall_64+0xc6/0x1e0 [ 543.540745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.540745][ T10] [ 543.542675][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 543.542968][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 543.542968][ T10] netdev_get_by_index+0x5e/0x80 [ 543.542968][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.542968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.542968][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.542968][ T10] ipv6_add_addr+0x411/0x2000 [ 543.542968][ T10] inet6_addr_add+0x30e/0xa40 [ 543.542968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.542968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.542968][ T10] netlink_rcv_skb+0x130/0x360 [ 543.542968][ T10] netlink_unicast+0x449/0x710 [ 543.542968][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.542968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.542968][ T10] ___sys_sendmsg+0xee/0x170 [ 543.542968][ T10] __sys_sendmsg+0xcd/0x170 [ 543.542968][ T10] do_syscall_64+0xc6/0x1e0 [ 543.542968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.542968][ T10] [ 543.545203][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 543.545203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.545203][ T10] ipv6_find_idev+0x102/0x170 [ 543.545203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.545203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.545203][ T10] netlink_rcv_skb+0x130/0x360 [ 543.545203][ T10] netlink_unicast+0x449/0x710 [ 543.545203][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.545203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.545203][ T10] ___sys_sendmsg+0xee/0x170 [ 543.545203][ T10] __sys_sendmsg+0xcd/0x170 [ 543.545203][ T10] do_syscall_64+0xc6/0x1e0 [ 543.545203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.545203][ T10] [ 543.546933][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 543.546933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.546933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.546933][ T10] ipv6_find_idev+0x102/0x170 [ 543.546933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.546933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.546933][ T10] netlink_rcv_skb+0x130/0x360 [ 543.546933][ T10] netlink_unicast+0x449/0x710 [ 543.546933][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.546933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.546933][ T10] ___sys_sendmsg+0xee/0x170 [ 543.546933][ T10] __sys_sendmsg+0xcd/0x170 [ 543.546933][ T10] do_syscall_64+0xc6/0x1e0 [ 543.546933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.546933][ T10] [ 543.548833][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 543.549122][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 543.549122][ T10] netdev_get_by_index+0x5e/0x80 [ 543.549122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.549122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.549122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.549122][ T10] ipv6_add_addr+0x411/0x2000 [ 543.549122][ T10] inet6_addr_add+0x30e/0xa40 [ 543.549122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.549122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.549122][ T10] netlink_rcv_skb+0x130/0x360 [ 543.549122][ T10] netlink_unicast+0x449/0x710 [ 543.549122][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.549122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.549122][ T10] ___sys_sendmsg+0xee/0x170 [ 543.549122][ T10] __sys_sendmsg+0xcd/0x170 [ 543.549122][ T10] do_syscall_64+0xc6/0x1e0 [ 543.549122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.549122][ T10] [ 543.551370][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 543.551370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.551370][ T10] ipv6_find_idev+0x102/0x170 [ 543.551370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.551370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.551370][ T10] netlink_rcv_skb+0x130/0x360 [ 543.551370][ T10] netlink_unicast+0x449/0x710 [ 543.551370][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.551370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.551370][ T10] ___sys_sendmsg+0xee/0x170 [ 543.551370][ T10] __sys_sendmsg+0xcd/0x170 [ 543.551370][ T10] do_syscall_64+0xc6/0x1e0 [ 543.551370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.551370][ T10] [ 543.553191][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 543.553191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.553191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.553191][ T10] ipv6_find_idev+0x102/0x170 [ 543.553191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.553191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.553191][ T10] netlink_rcv_skb+0x130/0x360 [ 543.553191][ T10] netlink_unicast+0x449/0x710 [ 543.553191][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.553191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.553191][ T10] ___sys_sendmsg+0xee/0x170 [ 543.553191][ T10] __sys_sendmsg+0xcd/0x170 [ 543.553191][ T10] do_syscall_64+0xc6/0x1e0 [ 543.553191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.553191][ T10] [ 543.555746][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 543.556464][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 543.556464][ T10] netdev_get_by_index+0x5e/0x80 [ 543.556464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.556464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.556464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.556464][ T10] ipv6_add_addr+0x411/0x2000 [ 543.556464][ T10] inet6_addr_add+0x30e/0xa40 [ 543.556464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.556464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.556464][ T10] netlink_rcv_skb+0x130/0x360 [ 543.556464][ T10] netlink_unicast+0x449/0x710 [ 543.556464][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.556464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.556464][ T10] ___sys_sendmsg+0xee/0x170 [ 543.556464][ T10] __sys_sendmsg+0xcd/0x170 [ 543.556464][ T10] do_syscall_64+0xc6/0x1e0 [ 543.556464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.556464][ T10] [ 543.558726][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 543.558726][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.558726][ T10] ipv6_find_idev+0x102/0x170 [ 543.558726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.558726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.558726][ T10] netlink_rcv_skb+0x130/0x360 [ 543.558726][ T10] netlink_unicast+0x449/0x710 [ 543.558726][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.558726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.558726][ T10] ___sys_sendmsg+0xee/0x170 [ 543.558726][ T10] __sys_sendmsg+0xcd/0x170 [ 543.558726][ T10] do_syscall_64+0xc6/0x1e0 [ 543.558726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.558726][ T10] [ 543.560452][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 543.560452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.560452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.560452][ T10] ipv6_find_idev+0x102/0x170 [ 543.560452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.560452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.560452][ T10] netlink_rcv_skb+0x130/0x360 [ 543.560452][ T10] netlink_unicast+0x449/0x710 [ 543.560452][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.560452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.560452][ T10] ___sys_sendmsg+0xee/0x170 [ 543.560452][ T10] __sys_sendmsg+0xcd/0x170 [ 543.560452][ T10] do_syscall_64+0xc6/0x1e0 [ 543.560452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.560452][ T10] [ 543.562397][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 543.562749][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 543.562749][ T10] netdev_get_by_index+0x5e/0x80 [ 543.562749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.562749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.562749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.562749][ T10] ipv6_add_addr+0x411/0x2000 [ 543.562749][ T10] inet6_addr_add+0x30e/0xa40 [ 543.562749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.562749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.562749][ T10] netlink_rcv_skb+0x130/0x360 [ 543.562749][ T10] netlink_unicast+0x449/0x710 [ 543.562749][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.562749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.562749][ T10] ___sys_sendmsg+0xee/0x170 [ 543.562749][ T10] __sys_sendmsg+0xcd/0x170 [ 543.562749][ T10] do_syscall_64+0xc6/0x1e0 [ 543.562749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.562749][ T10] [ 543.565123][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 543.565123][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.565123][ T10] ipv6_find_idev+0x102/0x170 [ 543.565123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.565123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.565123][ T10] netlink_rcv_skb+0x130/0x360 [ 543.565123][ T10] netlink_unicast+0x449/0x710 [ 543.565123][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.565123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.565123][ T10] ___sys_sendmsg+0xee/0x170 [ 543.565123][ T10] __sys_sendmsg+0xcd/0x170 [ 543.565123][ T10] do_syscall_64+0xc6/0x1e0 [ 543.565123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.565123][ T10] [ 543.566949][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 543.566949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.566949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.566949][ T10] ipv6_find_idev+0x102/0x170 [ 543.566949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.566949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.566949][ T10] netlink_rcv_skb+0x130/0x360 [ 543.566949][ T10] netlink_unicast+0x449/0x710 [ 543.566949][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.566949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.566949][ T10] ___sys_sendmsg+0xee/0x170 [ 543.566949][ T10] __sys_sendmsg+0xcd/0x170 [ 543.566949][ T10] do_syscall_64+0xc6/0x1e0 [ 543.566949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.566949][ T10] [ 543.569099][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 543.569441][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 543.569441][ T10] netdev_get_by_index+0x5e/0x80 [ 543.569441][ T10] fib6_nh_init+0x3d8/0x15b0 [ 543.569441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 543.569441][ T10] addrconf_f6i_alloc+0x244/0x410 [ 543.569441][ T10] ipv6_add_addr+0x411/0x2000 [ 543.569441][ T10] inet6_addr_add+0x30e/0xa40 [ 543.569441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 543.569441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.569441][ T10] netlink_rcv_skb+0x130/0x360 [ 543.569441][ T10] netlink_unicast+0x449/0x710 [ 543.569441][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.569441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.569441][ T10] ___sys_sendmsg+0xee/0x170 [ 543.569441][ T10] __sys_sendmsg+0xcd/0x170 [ 543.569441][ T10] do_syscall_64+0xc6/0x1e0 [ 543.569441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.569441][ T10] [ 543.571858][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 543.571858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 543.571858][ T10] ipv6_find_idev+0x102/0x170 [ 543.571858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.571858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.571858][ T10] netlink_rcv_skb+0x130/0x360 [ 543.571858][ T10] netlink_unicast+0x449/0x710 [ 543.571858][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.571858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.571858][ T10] ___sys_sendmsg+0xee/0x170 [ 543.571858][ T10] __sys_sendmsg+0xcd/0x170 [ 543.571858][ T10] do_syscall_64+0xc6/0x1e0 [ 543.571858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.571858][ T10] [ 543.573688][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 543.573688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 543.573688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 543.573688][ T10] ipv6_find_idev+0x102/0x170 [ 543.573688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 543.573688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 543.573688][ T10] netlink_rcv_skb+0x130/0x360 [ 543.573688][ T10] netlink_unicast+0x449/0x710 [ 543.573688][ T10] netlink_sendmsg+0x723/0xbe0 [ 543.573688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 543.573688][ T10] ___sys_sendmsg+0xee/0x170 [ 543.573688][ T10] __sys_sendmsg+0xcd/0x170 [ 543.573688][ T10] do_syscall_64+0xc6/0x1e0 [ 543.573688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 543.573688][ T10] [ 553.635937][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 553.636357][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 553.636357][ T10] netdev_get_by_index+0x5e/0x80 [ 553.636357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.636357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.636357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.636357][ T10] ipv6_add_addr+0x411/0x2000 [ 553.636357][ T10] inet6_addr_add+0x30e/0xa40 [ 553.636357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.636357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.636357][ T10] netlink_rcv_skb+0x130/0x360 [ 553.636357][ T10] netlink_unicast+0x449/0x710 [ 553.636357][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.636357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.636357][ T10] ___sys_sendmsg+0xee/0x170 [ 553.636357][ T10] __sys_sendmsg+0xcd/0x170 [ 553.636357][ T10] do_syscall_64+0xc6/0x1e0 [ 553.636357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.636357][ T10] [ 553.638593][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 553.638593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.638593][ T10] ipv6_find_idev+0x102/0x170 [ 553.638593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.638593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.638593][ T10] netlink_rcv_skb+0x130/0x360 [ 553.638593][ T10] netlink_unicast+0x449/0x710 [ 553.638593][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.638593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.638593][ T10] ___sys_sendmsg+0xee/0x170 [ 553.638593][ T10] __sys_sendmsg+0xcd/0x170 [ 553.638593][ T10] do_syscall_64+0xc6/0x1e0 [ 553.638593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.638593][ T10] [ 553.640283][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 553.640283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.640283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.640283][ T10] ipv6_find_idev+0x102/0x170 [ 553.640283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.640283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.640283][ T10] netlink_rcv_skb+0x130/0x360 [ 553.640283][ T10] netlink_unicast+0x449/0x710 [ 553.640283][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.640283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.640283][ T10] ___sys_sendmsg+0xee/0x170 [ 553.640283][ T10] __sys_sendmsg+0xcd/0x170 [ 553.640283][ T10] do_syscall_64+0xc6/0x1e0 [ 553.640283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.640283][ T10] [ 553.642599][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 553.643179][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 553.643179][ T10] netdev_get_by_index+0x5e/0x80 [ 553.643179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.643179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.643179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.643179][ T10] ipv6_add_addr+0x411/0x2000 [ 553.643179][ T10] inet6_addr_add+0x30e/0xa40 [ 553.643179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.643179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.643179][ T10] netlink_rcv_skb+0x130/0x360 [ 553.643179][ T10] netlink_unicast+0x449/0x710 [ 553.643179][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.643179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.643179][ T10] ___sys_sendmsg+0xee/0x170 [ 553.643179][ T10] __sys_sendmsg+0xcd/0x170 [ 553.643179][ T10] do_syscall_64+0xc6/0x1e0 [ 553.643179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.643179][ T10] [ 553.645382][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 553.645382][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.645382][ T10] ipv6_find_idev+0x102/0x170 [ 553.645382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.645382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.645382][ T10] netlink_rcv_skb+0x130/0x360 [ 553.645382][ T10] netlink_unicast+0x449/0x710 [ 553.645382][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.645382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.645382][ T10] ___sys_sendmsg+0xee/0x170 [ 553.645382][ T10] __sys_sendmsg+0xcd/0x170 [ 553.645382][ T10] do_syscall_64+0xc6/0x1e0 [ 553.645382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.645382][ T10] [ 553.647089][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 553.647089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.647089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.647089][ T10] ipv6_find_idev+0x102/0x170 [ 553.647089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.647089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.647089][ T10] netlink_rcv_skb+0x130/0x360 [ 553.647089][ T10] netlink_unicast+0x449/0x710 [ 553.647089][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.647089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.647089][ T10] ___sys_sendmsg+0xee/0x170 [ 553.647089][ T10] __sys_sendmsg+0xcd/0x170 [ 553.647089][ T10] do_syscall_64+0xc6/0x1e0 [ 553.647089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.647089][ T10] [ 553.649058][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 553.649484][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 553.649484][ T10] netdev_get_by_index+0x5e/0x80 [ 553.649484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.649484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.649484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.649484][ T10] ipv6_add_addr+0x411/0x2000 [ 553.649484][ T10] inet6_addr_add+0x30e/0xa40 [ 553.649484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.649484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.649484][ T10] netlink_rcv_skb+0x130/0x360 [ 553.649484][ T10] netlink_unicast+0x449/0x710 [ 553.649484][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.649484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.649484][ T10] ___sys_sendmsg+0xee/0x170 [ 553.649484][ T10] __sys_sendmsg+0xcd/0x170 [ 553.649484][ T10] do_syscall_64+0xc6/0x1e0 [ 553.649484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.649484][ T10] [ 553.651678][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 553.651678][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.651678][ T10] ipv6_find_idev+0x102/0x170 [ 553.651678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.651678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.651678][ T10] netlink_rcv_skb+0x130/0x360 [ 553.651678][ T10] netlink_unicast+0x449/0x710 [ 553.651678][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.651678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.651678][ T10] ___sys_sendmsg+0xee/0x170 [ 553.651678][ T10] __sys_sendmsg+0xcd/0x170 [ 553.651678][ T10] do_syscall_64+0xc6/0x1e0 [ 553.651678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.651678][ T10] [ 553.653362][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 553.653362][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.653362][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.653362][ T10] ipv6_find_idev+0x102/0x170 [ 553.653362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.653362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.653362][ T10] netlink_rcv_skb+0x130/0x360 [ 553.653362][ T10] netlink_unicast+0x449/0x710 [ 553.653362][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.653362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.653362][ T10] ___sys_sendmsg+0xee/0x170 [ 553.653362][ T10] __sys_sendmsg+0xcd/0x170 [ 553.653362][ T10] do_syscall_64+0xc6/0x1e0 [ 553.653362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.653362][ T10] [ 553.655407][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 553.655903][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 553.655903][ T10] netdev_get_by_index+0x5e/0x80 [ 553.655903][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.655903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.655903][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.655903][ T10] ipv6_add_addr+0x411/0x2000 [ 553.655903][ T10] inet6_addr_add+0x30e/0xa40 [ 553.655903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.655903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.655903][ T10] netlink_rcv_skb+0x130/0x360 [ 553.655903][ T10] netlink_unicast+0x449/0x710 [ 553.655903][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.655903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.655903][ T10] ___sys_sendmsg+0xee/0x170 [ 553.655903][ T10] __sys_sendmsg+0xcd/0x170 [ 553.655903][ T10] do_syscall_64+0xc6/0x1e0 [ 553.655903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.655903][ T10] [ 553.658112][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 553.658112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.658112][ T10] ipv6_find_idev+0x102/0x170 [ 553.658112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.658112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.658112][ T10] netlink_rcv_skb+0x130/0x360 [ 553.658112][ T10] netlink_unicast+0x449/0x710 [ 553.658112][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.658112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.658112][ T10] ___sys_sendmsg+0xee/0x170 [ 553.658112][ T10] __sys_sendmsg+0xcd/0x170 [ 553.658112][ T10] do_syscall_64+0xc6/0x1e0 [ 553.658112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.658112][ T10] [ 553.659795][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 553.659795][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.659795][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.659795][ T10] ipv6_find_idev+0x102/0x170 [ 553.659795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.659795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.659795][ T10] netlink_rcv_skb+0x130/0x360 [ 553.659795][ T10] netlink_unicast+0x449/0x710 [ 553.659795][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.659795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.659795][ T10] ___sys_sendmsg+0xee/0x170 [ 553.659795][ T10] __sys_sendmsg+0xcd/0x170 [ 553.659795][ T10] do_syscall_64+0xc6/0x1e0 [ 553.659795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.659795][ T10] [ 553.661884][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 553.662399][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 553.662399][ T10] netdev_get_by_index+0x5e/0x80 [ 553.662399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.662399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.662399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.662399][ T10] ipv6_add_addr+0x411/0x2000 [ 553.662399][ T10] inet6_addr_add+0x30e/0xa40 [ 553.662399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.662399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.662399][ T10] netlink_rcv_skb+0x130/0x360 [ 553.662399][ T10] netlink_unicast+0x449/0x710 [ 553.662399][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.662399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.662399][ T10] ___sys_sendmsg+0xee/0x170 [ 553.662399][ T10] __sys_sendmsg+0xcd/0x170 [ 553.662399][ T10] do_syscall_64+0xc6/0x1e0 [ 553.662399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.662399][ T10] [ 553.664694][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 553.664694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.664694][ T10] ipv6_find_idev+0x102/0x170 [ 553.664694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.664694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.664694][ T10] netlink_rcv_skb+0x130/0x360 [ 553.664694][ T10] netlink_unicast+0x449/0x710 [ 553.664694][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.664694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.664694][ T10] ___sys_sendmsg+0xee/0x170 [ 553.664694][ T10] __sys_sendmsg+0xcd/0x170 [ 553.664694][ T10] do_syscall_64+0xc6/0x1e0 [ 553.664694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.664694][ T10] [ 553.666562][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 553.666562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.666562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.666562][ T10] ipv6_find_idev+0x102/0x170 [ 553.666562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.666562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.666562][ T10] netlink_rcv_skb+0x130/0x360 [ 553.666562][ T10] netlink_unicast+0x449/0x710 [ 553.666562][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.666562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.666562][ T10] ___sys_sendmsg+0xee/0x170 [ 553.666562][ T10] __sys_sendmsg+0xcd/0x170 [ 553.666562][ T10] do_syscall_64+0xc6/0x1e0 [ 553.666562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.666562][ T10] [ 553.669302][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 553.669595][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 553.669595][ T10] netdev_get_by_index+0x5e/0x80 [ 553.669595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.669595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.669595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.669595][ T10] ipv6_add_addr+0x411/0x2000 [ 553.669595][ T10] inet6_addr_add+0x30e/0xa40 [ 553.669595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.669595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.669595][ T10] netlink_rcv_skb+0x130/0x360 [ 553.669595][ T10] netlink_unicast+0x449/0x710 [ 553.669595][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.669595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.669595][ T10] ___sys_sendmsg+0xee/0x170 [ 553.669595][ T10] __sys_sendmsg+0xcd/0x170 [ 553.669595][ T10] do_syscall_64+0xc6/0x1e0 [ 553.669595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.669595][ T10] [ 553.671771][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 553.671771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.671771][ T10] ipv6_find_idev+0x102/0x170 [ 553.671771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.671771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.671771][ T10] netlink_rcv_skb+0x130/0x360 [ 553.671771][ T10] netlink_unicast+0x449/0x710 [ 553.671771][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.671771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.671771][ T10] ___sys_sendmsg+0xee/0x170 [ 553.671771][ T10] __sys_sendmsg+0xcd/0x170 [ 553.671771][ T10] do_syscall_64+0xc6/0x1e0 [ 553.671771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.671771][ T10] [ 553.673578][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 553.673578][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.673578][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.673578][ T10] ipv6_find_idev+0x102/0x170 [ 553.673578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.673578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.673578][ T10] netlink_rcv_skb+0x130/0x360 [ 553.673578][ T10] netlink_unicast+0x449/0x710 [ 553.673578][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.673578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.673578][ T10] ___sys_sendmsg+0xee/0x170 [ 553.673578][ T10] __sys_sendmsg+0xcd/0x170 [ 553.673578][ T10] do_syscall_64+0xc6/0x1e0 [ 553.673578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.673578][ T10] [ 553.675667][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 553.675971][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 553.675971][ T10] netdev_get_by_index+0x5e/0x80 [ 553.675971][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.675971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.675971][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.675971][ T10] ipv6_add_addr+0x411/0x2000 [ 553.675971][ T10] inet6_addr_add+0x30e/0xa40 [ 553.675971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.675971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.675971][ T10] netlink_rcv_skb+0x130/0x360 [ 553.675971][ T10] netlink_unicast+0x449/0x710 [ 553.675971][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.675971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.675971][ T10] ___sys_sendmsg+0xee/0x170 [ 553.675971][ T10] __sys_sendmsg+0xcd/0x170 [ 553.675971][ T10] do_syscall_64+0xc6/0x1e0 [ 553.675971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.675971][ T10] [ 553.678345][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 553.678345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.678345][ T10] ipv6_find_idev+0x102/0x170 [ 553.678345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.678345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.678345][ T10] netlink_rcv_skb+0x130/0x360 [ 553.678345][ T10] netlink_unicast+0x449/0x710 [ 553.678345][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.678345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.678345][ T10] ___sys_sendmsg+0xee/0x170 [ 553.678345][ T10] __sys_sendmsg+0xcd/0x170 [ 553.678345][ T10] do_syscall_64+0xc6/0x1e0 [ 553.678345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.678345][ T10] [ 553.680262][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 553.680262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.680262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.680262][ T10] ipv6_find_idev+0x102/0x170 [ 553.680262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.680262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.680262][ T10] netlink_rcv_skb+0x130/0x360 [ 553.680262][ T10] netlink_unicast+0x449/0x710 [ 553.680262][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.680262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.680262][ T10] ___sys_sendmsg+0xee/0x170 [ 553.680262][ T10] __sys_sendmsg+0xcd/0x170 [ 553.680262][ T10] do_syscall_64+0xc6/0x1e0 [ 553.680262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.680262][ T10] [ 553.682312][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 553.682593][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 553.682593][ T10] netdev_get_by_index+0x5e/0x80 [ 553.682593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 553.682593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 553.682593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 553.682593][ T10] ipv6_add_addr+0x411/0x2000 [ 553.682593][ T10] inet6_addr_add+0x30e/0xa40 [ 553.682593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 553.682593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.682593][ T10] netlink_rcv_skb+0x130/0x360 [ 553.682593][ T10] netlink_unicast+0x449/0x710 [ 553.682593][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.682593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.682593][ T10] ___sys_sendmsg+0xee/0x170 [ 553.682593][ T10] __sys_sendmsg+0xcd/0x170 [ 553.682593][ T10] do_syscall_64+0xc6/0x1e0 [ 553.682593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.682593][ T10] [ 553.684952][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 553.684952][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 553.684952][ T10] ipv6_find_idev+0x102/0x170 [ 553.684952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.684952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.684952][ T10] netlink_rcv_skb+0x130/0x360 [ 553.684952][ T10] netlink_unicast+0x449/0x710 [ 553.684952][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.684952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.684952][ T10] ___sys_sendmsg+0xee/0x170 [ 553.684952][ T10] __sys_sendmsg+0xcd/0x170 [ 553.684952][ T10] do_syscall_64+0xc6/0x1e0 [ 553.684952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.684952][ T10] [ 553.686763][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 553.686763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 553.686763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 553.686763][ T10] ipv6_find_idev+0x102/0x170 [ 553.686763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 553.686763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 553.686763][ T10] netlink_rcv_skb+0x130/0x360 [ 553.686763][ T10] netlink_unicast+0x449/0x710 [ 553.686763][ T10] netlink_sendmsg+0x723/0xbe0 [ 553.686763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 553.686763][ T10] ___sys_sendmsg+0xee/0x170 [ 553.686763][ T10] __sys_sendmsg+0xcd/0x170 [ 553.686763][ T10] do_syscall_64+0xc6/0x1e0 [ 553.686763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 553.686763][ T10] [ 563.803741][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 563.804300][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 563.804300][ T10] netdev_get_by_index+0x5e/0x80 [ 563.804300][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.804300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.804300][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.804300][ T10] ipv6_add_addr+0x411/0x2000 [ 563.804300][ T10] inet6_addr_add+0x30e/0xa40 [ 563.804300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.804300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.804300][ T10] netlink_rcv_skb+0x130/0x360 [ 563.804300][ T10] netlink_unicast+0x449/0x710 [ 563.804300][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.804300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.804300][ T10] ___sys_sendmsg+0xee/0x170 [ 563.804300][ T10] __sys_sendmsg+0xcd/0x170 [ 563.804300][ T10] do_syscall_64+0xc6/0x1e0 [ 563.804300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.804300][ T10] [ 563.806366][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 563.806366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.806366][ T10] ipv6_find_idev+0x102/0x170 [ 563.806366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.806366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.806366][ T10] netlink_rcv_skb+0x130/0x360 [ 563.806366][ T10] netlink_unicast+0x449/0x710 [ 563.806366][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.806366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.806366][ T10] ___sys_sendmsg+0xee/0x170 [ 563.806366][ T10] __sys_sendmsg+0xcd/0x170 [ 563.806366][ T10] do_syscall_64+0xc6/0x1e0 [ 563.806366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.806366][ T10] [ 563.807923][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 563.807923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.807923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.807923][ T10] ipv6_find_idev+0x102/0x170 [ 563.807923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.807923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.807923][ T10] netlink_rcv_skb+0x130/0x360 [ 563.807923][ T10] netlink_unicast+0x449/0x710 [ 563.807923][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.807923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.807923][ T10] ___sys_sendmsg+0xee/0x170 [ 563.807923][ T10] __sys_sendmsg+0xcd/0x170 [ 563.807923][ T10] do_syscall_64+0xc6/0x1e0 [ 563.807923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.807923][ T10] [ 563.809659][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 563.809934][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 563.809934][ T10] netdev_get_by_index+0x5e/0x80 [ 563.809934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.809934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.809934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.809934][ T10] ipv6_add_addr+0x411/0x2000 [ 563.809934][ T10] inet6_addr_add+0x30e/0xa40 [ 563.809934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.809934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.809934][ T10] netlink_rcv_skb+0x130/0x360 [ 563.809934][ T10] netlink_unicast+0x449/0x710 [ 563.809934][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.809934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.809934][ T10] ___sys_sendmsg+0xee/0x170 [ 563.809934][ T10] __sys_sendmsg+0xcd/0x170 [ 563.809934][ T10] do_syscall_64+0xc6/0x1e0 [ 563.809934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.809934][ T10] [ 563.811961][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 563.811961][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.811961][ T10] ipv6_find_idev+0x102/0x170 [ 563.811961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.811961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.811961][ T10] netlink_rcv_skb+0x130/0x360 [ 563.811961][ T10] netlink_unicast+0x449/0x710 [ 563.811961][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.811961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.811961][ T10] ___sys_sendmsg+0xee/0x170 [ 563.811961][ T10] __sys_sendmsg+0xcd/0x170 [ 563.811961][ T10] do_syscall_64+0xc6/0x1e0 [ 563.811961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.811961][ T10] [ 563.813564][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 563.813564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.813564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.813564][ T10] ipv6_find_idev+0x102/0x170 [ 563.813564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.813564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.813564][ T10] netlink_rcv_skb+0x130/0x360 [ 563.813564][ T10] netlink_unicast+0x449/0x710 [ 563.813564][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.813564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.813564][ T10] ___sys_sendmsg+0xee/0x170 [ 563.813564][ T10] __sys_sendmsg+0xcd/0x170 [ 563.813564][ T10] do_syscall_64+0xc6/0x1e0 [ 563.813564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.813564][ T10] [ 563.815247][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 563.815512][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 563.815512][ T10] netdev_get_by_index+0x5e/0x80 [ 563.815512][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.815512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.815512][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.815512][ T10] ipv6_add_addr+0x411/0x2000 [ 563.815512][ T10] inet6_addr_add+0x30e/0xa40 [ 563.815512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.815512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.815512][ T10] netlink_rcv_skb+0x130/0x360 [ 563.815512][ T10] netlink_unicast+0x449/0x710 [ 563.815512][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.815512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.815512][ T10] ___sys_sendmsg+0xee/0x170 [ 563.815512][ T10] __sys_sendmsg+0xcd/0x170 [ 563.815512][ T10] do_syscall_64+0xc6/0x1e0 [ 563.815512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.815512][ T10] [ 563.817521][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 563.817521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.817521][ T10] ipv6_find_idev+0x102/0x170 [ 563.817521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.817521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.817521][ T10] netlink_rcv_skb+0x130/0x360 [ 563.817521][ T10] netlink_unicast+0x449/0x710 [ 563.817521][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.817521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.817521][ T10] ___sys_sendmsg+0xee/0x170 [ 563.817521][ T10] __sys_sendmsg+0xcd/0x170 [ 563.817521][ T10] do_syscall_64+0xc6/0x1e0 [ 563.817521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.817521][ T10] [ 563.819068][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 563.819068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.819068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.819068][ T10] ipv6_find_idev+0x102/0x170 [ 563.819068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.819068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.819068][ T10] netlink_rcv_skb+0x130/0x360 [ 563.819068][ T10] netlink_unicast+0x449/0x710 [ 563.819068][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.819068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.819068][ T10] ___sys_sendmsg+0xee/0x170 [ 563.819068][ T10] __sys_sendmsg+0xcd/0x170 [ 563.819068][ T10] do_syscall_64+0xc6/0x1e0 [ 563.819068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.819068][ T10] [ 563.820754][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 563.821019][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 563.821019][ T10] netdev_get_by_index+0x5e/0x80 [ 563.821019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.821019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.821019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.821019][ T10] ipv6_add_addr+0x411/0x2000 [ 563.821019][ T10] inet6_addr_add+0x30e/0xa40 [ 563.821019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.821019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.821019][ T10] netlink_rcv_skb+0x130/0x360 [ 563.821019][ T10] netlink_unicast+0x449/0x710 [ 563.821019][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.821019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.821019][ T10] ___sys_sendmsg+0xee/0x170 [ 563.821019][ T10] __sys_sendmsg+0xcd/0x170 [ 563.821019][ T10] do_syscall_64+0xc6/0x1e0 [ 563.821019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.821019][ T10] [ 563.823009][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 563.823009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.823009][ T10] ipv6_find_idev+0x102/0x170 [ 563.823009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.823009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.823009][ T10] netlink_rcv_skb+0x130/0x360 [ 563.823009][ T10] netlink_unicast+0x449/0x710 [ 563.823009][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.823009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.823009][ T10] ___sys_sendmsg+0xee/0x170 [ 563.823009][ T10] __sys_sendmsg+0xcd/0x170 [ 563.823009][ T10] do_syscall_64+0xc6/0x1e0 [ 563.823009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.823009][ T10] [ 563.824550][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 563.824550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.824550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.824550][ T10] ipv6_find_idev+0x102/0x170 [ 563.824550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.824550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.824550][ T10] netlink_rcv_skb+0x130/0x360 [ 563.824550][ T10] netlink_unicast+0x449/0x710 [ 563.824550][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.824550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.824550][ T10] ___sys_sendmsg+0xee/0x170 [ 563.824550][ T10] __sys_sendmsg+0xcd/0x170 [ 563.824550][ T10] do_syscall_64+0xc6/0x1e0 [ 563.824550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.824550][ T10] [ 563.826628][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 563.827230][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 563.827230][ T10] netdev_get_by_index+0x5e/0x80 [ 563.827230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.827230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.827230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.827230][ T10] ipv6_add_addr+0x411/0x2000 [ 563.827230][ T10] inet6_addr_add+0x30e/0xa40 [ 563.827230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.827230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.827230][ T10] netlink_rcv_skb+0x130/0x360 [ 563.827230][ T10] netlink_unicast+0x449/0x710 [ 563.827230][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.827230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.827230][ T10] ___sys_sendmsg+0xee/0x170 [ 563.827230][ T10] __sys_sendmsg+0xcd/0x170 [ 563.827230][ T10] do_syscall_64+0xc6/0x1e0 [ 563.827230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.827230][ T10] [ 563.829213][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 563.829213][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.829213][ T10] ipv6_find_idev+0x102/0x170 [ 563.829213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.829213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.829213][ T10] netlink_rcv_skb+0x130/0x360 [ 563.829213][ T10] netlink_unicast+0x449/0x710 [ 563.829213][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.829213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.829213][ T10] ___sys_sendmsg+0xee/0x170 [ 563.829213][ T10] __sys_sendmsg+0xcd/0x170 [ 563.829213][ T10] do_syscall_64+0xc6/0x1e0 [ 563.829213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.829213][ T10] [ 563.830781][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 563.830781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.830781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.830781][ T10] ipv6_find_idev+0x102/0x170 [ 563.830781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.830781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.830781][ T10] netlink_rcv_skb+0x130/0x360 [ 563.830781][ T10] netlink_unicast+0x449/0x710 [ 563.830781][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.830781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.830781][ T10] ___sys_sendmsg+0xee/0x170 [ 563.830781][ T10] __sys_sendmsg+0xcd/0x170 [ 563.830781][ T10] do_syscall_64+0xc6/0x1e0 [ 563.830781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.830781][ T10] [ 563.832485][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 563.832812][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 563.832812][ T10] netdev_get_by_index+0x5e/0x80 [ 563.832812][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.832812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.832812][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.832812][ T10] ipv6_add_addr+0x411/0x2000 [ 563.832812][ T10] inet6_addr_add+0x30e/0xa40 [ 563.832812][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.832812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.832812][ T10] netlink_rcv_skb+0x130/0x360 [ 563.832812][ T10] netlink_unicast+0x449/0x710 [ 563.832812][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.832812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.832812][ T10] ___sys_sendmsg+0xee/0x170 [ 563.832812][ T10] __sys_sendmsg+0xcd/0x170 [ 563.832812][ T10] do_syscall_64+0xc6/0x1e0 [ 563.832812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.832812][ T10] [ 563.834806][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 563.834806][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.834806][ T10] ipv6_find_idev+0x102/0x170 [ 563.834806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.834806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.834806][ T10] netlink_rcv_skb+0x130/0x360 [ 563.834806][ T10] netlink_unicast+0x449/0x710 [ 563.834806][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.834806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.834806][ T10] ___sys_sendmsg+0xee/0x170 [ 563.834806][ T10] __sys_sendmsg+0xcd/0x170 [ 563.834806][ T10] do_syscall_64+0xc6/0x1e0 [ 563.834806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.834806][ T10] [ 563.836411][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 563.836411][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.836411][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.836411][ T10] ipv6_find_idev+0x102/0x170 [ 563.836411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.836411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.836411][ T10] netlink_rcv_skb+0x130/0x360 [ 563.836411][ T10] netlink_unicast+0x449/0x710 [ 563.836411][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.836411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.836411][ T10] ___sys_sendmsg+0xee/0x170 [ 563.836411][ T10] __sys_sendmsg+0xcd/0x170 [ 563.836411][ T10] do_syscall_64+0xc6/0x1e0 [ 563.836411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.836411][ T10] [ 563.838315][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 563.838627][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 563.838627][ T10] netdev_get_by_index+0x5e/0x80 [ 563.838627][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.838627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.838627][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.838627][ T10] ipv6_add_addr+0x411/0x2000 [ 563.838627][ T10] inet6_addr_add+0x30e/0xa40 [ 563.838627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.838627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.838627][ T10] netlink_rcv_skb+0x130/0x360 [ 563.838627][ T10] netlink_unicast+0x449/0x710 [ 563.838627][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.838627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.838627][ T10] ___sys_sendmsg+0xee/0x170 [ 563.838627][ T10] __sys_sendmsg+0xcd/0x170 [ 563.838627][ T10] do_syscall_64+0xc6/0x1e0 [ 563.838627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.838627][ T10] [ 563.840818][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 563.840818][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.840818][ T10] ipv6_find_idev+0x102/0x170 [ 563.840818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.840818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.840818][ T10] netlink_rcv_skb+0x130/0x360 [ 563.840818][ T10] netlink_unicast+0x449/0x710 [ 563.840818][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.840818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.840818][ T10] ___sys_sendmsg+0xee/0x170 [ 563.840818][ T10] __sys_sendmsg+0xcd/0x170 [ 563.840818][ T10] do_syscall_64+0xc6/0x1e0 [ 563.840818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.840818][ T10] [ 563.842529][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 563.842529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.842529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.842529][ T10] ipv6_find_idev+0x102/0x170 [ 563.842529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.842529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.842529][ T10] netlink_rcv_skb+0x130/0x360 [ 563.842529][ T10] netlink_unicast+0x449/0x710 [ 563.842529][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.842529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.842529][ T10] ___sys_sendmsg+0xee/0x170 [ 563.842529][ T10] __sys_sendmsg+0xcd/0x170 [ 563.842529][ T10] do_syscall_64+0xc6/0x1e0 [ 563.842529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.842529][ T10] [ 563.844491][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 563.844811][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 563.844811][ T10] netdev_get_by_index+0x5e/0x80 [ 563.844811][ T10] fib6_nh_init+0x3d8/0x15b0 [ 563.844811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 563.844811][ T10] addrconf_f6i_alloc+0x244/0x410 [ 563.844811][ T10] ipv6_add_addr+0x411/0x2000 [ 563.844811][ T10] inet6_addr_add+0x30e/0xa40 [ 563.844811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 563.844811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.844811][ T10] netlink_rcv_skb+0x130/0x360 [ 563.844811][ T10] netlink_unicast+0x449/0x710 [ 563.844811][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.844811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.844811][ T10] ___sys_sendmsg+0xee/0x170 [ 563.844811][ T10] __sys_sendmsg+0xcd/0x170 [ 563.844811][ T10] do_syscall_64+0xc6/0x1e0 [ 563.844811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.844811][ T10] [ 563.846997][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 563.846997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 563.846997][ T10] ipv6_find_idev+0x102/0x170 [ 563.846997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.846997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.846997][ T10] netlink_rcv_skb+0x130/0x360 [ 563.846997][ T10] netlink_unicast+0x449/0x710 [ 563.846997][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.846997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.846997][ T10] ___sys_sendmsg+0xee/0x170 [ 563.846997][ T10] __sys_sendmsg+0xcd/0x170 [ 563.846997][ T10] do_syscall_64+0xc6/0x1e0 [ 563.846997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.846997][ T10] [ 563.848652][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 563.848652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 563.848652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 563.848652][ T10] ipv6_find_idev+0x102/0x170 [ 563.848652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 563.848652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 563.848652][ T10] netlink_rcv_skb+0x130/0x360 [ 563.848652][ T10] netlink_unicast+0x449/0x710 [ 563.848652][ T10] netlink_sendmsg+0x723/0xbe0 [ 563.848652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 563.848652][ T10] ___sys_sendmsg+0xee/0x170 [ 563.848652][ T10] __sys_sendmsg+0xcd/0x170 [ 563.848652][ T10] do_syscall_64+0xc6/0x1e0 [ 563.848652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 563.848652][ T10] [ 573.979744][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 573.980488][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 573.980488][ T10] netdev_get_by_index+0x5e/0x80 [ 573.980488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.980488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.980488][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.980488][ T10] ipv6_add_addr+0x411/0x2000 [ 573.980488][ T10] inet6_addr_add+0x30e/0xa40 [ 573.980488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.980488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.980488][ T10] netlink_rcv_skb+0x130/0x360 [ 573.980488][ T10] netlink_unicast+0x449/0x710 [ 573.980488][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.980488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.980488][ T10] ___sys_sendmsg+0xee/0x170 [ 573.980488][ T10] __sys_sendmsg+0xcd/0x170 [ 573.980488][ T10] do_syscall_64+0xc6/0x1e0 [ 573.980488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.980488][ T10] [ 573.982522][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 573.982522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.982522][ T10] ipv6_find_idev+0x102/0x170 [ 573.982522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.982522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.982522][ T10] netlink_rcv_skb+0x130/0x360 [ 573.982522][ T10] netlink_unicast+0x449/0x710 [ 573.982522][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.982522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.982522][ T10] ___sys_sendmsg+0xee/0x170 [ 573.982522][ T10] __sys_sendmsg+0xcd/0x170 [ 573.982522][ T10] do_syscall_64+0xc6/0x1e0 [ 573.982522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.982522][ T10] [ 573.984072][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 573.984072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.984072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.984072][ T10] ipv6_find_idev+0x102/0x170 [ 573.984072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.984072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.984072][ T10] netlink_rcv_skb+0x130/0x360 [ 573.984072][ T10] netlink_unicast+0x449/0x710 [ 573.984072][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.984072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.984072][ T10] ___sys_sendmsg+0xee/0x170 [ 573.984072][ T10] __sys_sendmsg+0xcd/0x170 [ 573.984072][ T10] do_syscall_64+0xc6/0x1e0 [ 573.984072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.984072][ T10] [ 573.985786][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 573.986059][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 573.986059][ T10] netdev_get_by_index+0x5e/0x80 [ 573.986059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.986059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.986059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.986059][ T10] ipv6_add_addr+0x411/0x2000 [ 573.986059][ T10] inet6_addr_add+0x30e/0xa40 [ 573.986059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.986059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.986059][ T10] netlink_rcv_skb+0x130/0x360 [ 573.986059][ T10] netlink_unicast+0x449/0x710 [ 573.986059][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.986059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.986059][ T10] ___sys_sendmsg+0xee/0x170 [ 573.986059][ T10] __sys_sendmsg+0xcd/0x170 [ 573.986059][ T10] do_syscall_64+0xc6/0x1e0 [ 573.986059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.986059][ T10] [ 573.988077][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 573.988077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.988077][ T10] ipv6_find_idev+0x102/0x170 [ 573.988077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.988077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.988077][ T10] netlink_rcv_skb+0x130/0x360 [ 573.988077][ T10] netlink_unicast+0x449/0x710 [ 573.988077][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.988077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.988077][ T10] ___sys_sendmsg+0xee/0x170 [ 573.988077][ T10] __sys_sendmsg+0xcd/0x170 [ 573.988077][ T10] do_syscall_64+0xc6/0x1e0 [ 573.988077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.988077][ T10] [ 573.989616][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 573.989616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.989616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.989616][ T10] ipv6_find_idev+0x102/0x170 [ 573.989616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.989616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.989616][ T10] netlink_rcv_skb+0x130/0x360 [ 573.989616][ T10] netlink_unicast+0x449/0x710 [ 573.989616][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.989616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.989616][ T10] ___sys_sendmsg+0xee/0x170 [ 573.989616][ T10] __sys_sendmsg+0xcd/0x170 [ 573.989616][ T10] do_syscall_64+0xc6/0x1e0 [ 573.989616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.989616][ T10] [ 573.991281][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 573.991548][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 573.991548][ T10] netdev_get_by_index+0x5e/0x80 [ 573.991548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.991548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.991548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.991548][ T10] ipv6_add_addr+0x411/0x2000 [ 573.991548][ T10] inet6_addr_add+0x30e/0xa40 [ 573.991548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.991548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.991548][ T10] netlink_rcv_skb+0x130/0x360 [ 573.991548][ T10] netlink_unicast+0x449/0x710 [ 573.991548][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.991548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.991548][ T10] ___sys_sendmsg+0xee/0x170 [ 573.991548][ T10] __sys_sendmsg+0xcd/0x170 [ 573.991548][ T10] do_syscall_64+0xc6/0x1e0 [ 573.991548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.991548][ T10] [ 573.993526][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 573.993526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.993526][ T10] ipv6_find_idev+0x102/0x170 [ 573.993526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.993526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.993526][ T10] netlink_rcv_skb+0x130/0x360 [ 573.993526][ T10] netlink_unicast+0x449/0x710 [ 573.993526][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.993526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.993526][ T10] ___sys_sendmsg+0xee/0x170 [ 573.993526][ T10] __sys_sendmsg+0xcd/0x170 [ 573.993526][ T10] do_syscall_64+0xc6/0x1e0 [ 573.993526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.993526][ T10] [ 573.995051][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 573.995051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 573.995051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 573.995051][ T10] ipv6_find_idev+0x102/0x170 [ 573.995051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.995051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.995051][ T10] netlink_rcv_skb+0x130/0x360 [ 573.995051][ T10] netlink_unicast+0x449/0x710 [ 573.995051][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.995051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.995051][ T10] ___sys_sendmsg+0xee/0x170 [ 573.995051][ T10] __sys_sendmsg+0xcd/0x170 [ 573.995051][ T10] do_syscall_64+0xc6/0x1e0 [ 573.995051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.995051][ T10] [ 573.996714][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 573.996983][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 573.996983][ T10] netdev_get_by_index+0x5e/0x80 [ 573.996983][ T10] fib6_nh_init+0x3d8/0x15b0 [ 573.996983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 573.996983][ T10] addrconf_f6i_alloc+0x244/0x410 [ 573.996983][ T10] ipv6_add_addr+0x411/0x2000 [ 573.996983][ T10] inet6_addr_add+0x30e/0xa40 [ 573.996983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 573.996983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.996983][ T10] netlink_rcv_skb+0x130/0x360 [ 573.996983][ T10] netlink_unicast+0x449/0x710 [ 573.996983][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.996983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.996983][ T10] ___sys_sendmsg+0xee/0x170 [ 573.996983][ T10] __sys_sendmsg+0xcd/0x170 [ 573.996983][ T10] do_syscall_64+0xc6/0x1e0 [ 573.996983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.996983][ T10] [ 573.998996][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 573.998996][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 573.998996][ T10] ipv6_find_idev+0x102/0x170 [ 573.998996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 573.998996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 573.998996][ T10] netlink_rcv_skb+0x130/0x360 [ 573.998996][ T10] netlink_unicast+0x449/0x710 [ 573.998996][ T10] netlink_sendmsg+0x723/0xbe0 [ 573.998996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 573.998996][ T10] ___sys_sendmsg+0xee/0x170 [ 573.998996][ T10] __sys_sendmsg+0xcd/0x170 [ 573.998996][ T10] do_syscall_64+0xc6/0x1e0 [ 573.998996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 573.998996][ T10] [ 574.000529][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 574.000529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 574.000529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 574.000529][ T10] ipv6_find_idev+0x102/0x170 [ 574.000529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.000529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.000529][ T10] netlink_rcv_skb+0x130/0x360 [ 574.000529][ T10] netlink_unicast+0x449/0x710 [ 574.000529][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.000529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.000529][ T10] ___sys_sendmsg+0xee/0x170 [ 574.000529][ T10] __sys_sendmsg+0xcd/0x170 [ 574.000529][ T10] do_syscall_64+0xc6/0x1e0 [ 574.000529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.000529][ T10] [ 574.002258][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 574.002528][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 574.002528][ T10] netdev_get_by_index+0x5e/0x80 [ 574.002528][ T10] fib6_nh_init+0x3d8/0x15b0 [ 574.002528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 574.002528][ T10] addrconf_f6i_alloc+0x244/0x410 [ 574.002528][ T10] ipv6_add_addr+0x411/0x2000 [ 574.002528][ T10] inet6_addr_add+0x30e/0xa40 [ 574.002528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 574.002528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.002528][ T10] netlink_rcv_skb+0x130/0x360 [ 574.002528][ T10] netlink_unicast+0x449/0x710 [ 574.002528][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.002528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.002528][ T10] ___sys_sendmsg+0xee/0x170 [ 574.002528][ T10] __sys_sendmsg+0xcd/0x170 [ 574.002528][ T10] do_syscall_64+0xc6/0x1e0 [ 574.002528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.002528][ T10] [ 574.004524][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 574.004524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 574.004524][ T10] ipv6_find_idev+0x102/0x170 [ 574.004524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.004524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.004524][ T10] netlink_rcv_skb+0x130/0x360 [ 574.004524][ T10] netlink_unicast+0x449/0x710 [ 574.004524][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.004524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.004524][ T10] ___sys_sendmsg+0xee/0x170 [ 574.004524][ T10] __sys_sendmsg+0xcd/0x170 [ 574.004524][ T10] do_syscall_64+0xc6/0x1e0 [ 574.004524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.004524][ T10] [ 574.006185][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 574.006185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 574.006185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 574.006185][ T10] ipv6_find_idev+0x102/0x170 [ 574.006185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.006185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.006185][ T10] netlink_rcv_skb+0x130/0x360 [ 574.006185][ T10] netlink_unicast+0x449/0x710 [ 574.006185][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.006185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.006185][ T10] ___sys_sendmsg+0xee/0x170 [ 574.006185][ T10] __sys_sendmsg+0xcd/0x170 [ 574.006185][ T10] do_syscall_64+0xc6/0x1e0 [ 574.006185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.006185][ T10] [ 574.008092][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 574.008399][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 574.008399][ T10] netdev_get_by_index+0x5e/0x80 [ 574.008399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 574.008399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 574.008399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 574.008399][ T10] ipv6_add_addr+0x411/0x2000 [ 574.008399][ T10] inet6_addr_add+0x30e/0xa40 [ 574.008399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 574.008399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.008399][ T10] netlink_rcv_skb+0x130/0x360 [ 574.008399][ T10] netlink_unicast+0x449/0x710 [ 574.008399][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.008399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.008399][ T10] ___sys_sendmsg+0xee/0x170 [ 574.008399][ T10] __sys_sendmsg+0xcd/0x170 [ 574.008399][ T10] do_syscall_64+0xc6/0x1e0 [ 574.008399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.008399][ T10] [ 574.010533][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 574.010533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 574.010533][ T10] ipv6_find_idev+0x102/0x170 [ 574.010533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.010533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.010533][ T10] netlink_rcv_skb+0x130/0x360 [ 574.010533][ T10] netlink_unicast+0x449/0x710 [ 574.010533][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.010533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.010533][ T10] ___sys_sendmsg+0xee/0x170 [ 574.010533][ T10] __sys_sendmsg+0xcd/0x170 [ 574.010533][ T10] do_syscall_64+0xc6/0x1e0 [ 574.010533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.010533][ T10] [ 574.012251][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 574.012251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 574.012251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 574.012251][ T10] ipv6_find_idev+0x102/0x170 [ 574.012251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.012251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.012251][ T10] netlink_rcv_skb+0x130/0x360 [ 574.012251][ T10] netlink_unicast+0x449/0x710 [ 574.012251][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.012251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.012251][ T10] ___sys_sendmsg+0xee/0x170 [ 574.012251][ T10] __sys_sendmsg+0xcd/0x170 [ 574.012251][ T10] do_syscall_64+0xc6/0x1e0 [ 574.012251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.012251][ T10] [ 574.014104][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 574.014414][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 574.014414][ T10] netdev_get_by_index+0x5e/0x80 [ 574.014414][ T10] fib6_nh_init+0x3d8/0x15b0 [ 574.014414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 574.014414][ T10] addrconf_f6i_alloc+0x244/0x410 [ 574.014414][ T10] ipv6_add_addr+0x411/0x2000 [ 574.014414][ T10] inet6_addr_add+0x30e/0xa40 [ 574.014414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 574.014414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.014414][ T10] netlink_rcv_skb+0x130/0x360 [ 574.014414][ T10] netlink_unicast+0x449/0x710 [ 574.014414][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.014414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.014414][ T10] ___sys_sendmsg+0xee/0x170 [ 574.014414][ T10] __sys_sendmsg+0xcd/0x170 [ 574.014414][ T10] do_syscall_64+0xc6/0x1e0 [ 574.014414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.014414][ T10] [ 574.016535][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 574.016535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 574.016535][ T10] ipv6_find_idev+0x102/0x170 [ 574.016535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.016535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.016535][ T10] netlink_rcv_skb+0x130/0x360 [ 574.016535][ T10] netlink_unicast+0x449/0x710 [ 574.016535][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.016535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.016535][ T10] ___sys_sendmsg+0xee/0x170 [ 574.016535][ T10] __sys_sendmsg+0xcd/0x170 [ 574.016535][ T10] do_syscall_64+0xc6/0x1e0 [ 574.016535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.016535][ T10] [ 574.018326][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 574.018326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 574.018326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 574.018326][ T10] ipv6_find_idev+0x102/0x170 [ 574.018326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.018326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.018326][ T10] netlink_rcv_skb+0x130/0x360 [ 574.018326][ T10] netlink_unicast+0x449/0x710 [ 574.018326][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.018326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.018326][ T10] ___sys_sendmsg+0xee/0x170 [ 574.018326][ T10] __sys_sendmsg+0xcd/0x170 [ 574.018326][ T10] do_syscall_64+0xc6/0x1e0 [ 574.018326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.018326][ T10] [ 574.020221][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 574.020526][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 574.020526][ T10] netdev_get_by_index+0x5e/0x80 [ 574.020526][ T10] fib6_nh_init+0x3d8/0x15b0 [ 574.020526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 574.020526][ T10] addrconf_f6i_alloc+0x244/0x410 [ 574.020526][ T10] ipv6_add_addr+0x411/0x2000 [ 574.020526][ T10] inet6_addr_add+0x30e/0xa40 [ 574.020526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 574.020526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.020526][ T10] netlink_rcv_skb+0x130/0x360 [ 574.020526][ T10] netlink_unicast+0x449/0x710 [ 574.020526][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.020526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.020526][ T10] ___sys_sendmsg+0xee/0x170 [ 574.020526][ T10] __sys_sendmsg+0xcd/0x170 [ 574.020526][ T10] do_syscall_64+0xc6/0x1e0 [ 574.020526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.020526][ T10] [ 574.022706][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 574.022706][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 574.022706][ T10] ipv6_find_idev+0x102/0x170 [ 574.022706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.022706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.022706][ T10] netlink_rcv_skb+0x130/0x360 [ 574.022706][ T10] netlink_unicast+0x449/0x710 [ 574.022706][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.022706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.022706][ T10] ___sys_sendmsg+0xee/0x170 [ 574.022706][ T10] __sys_sendmsg+0xcd/0x170 [ 574.022706][ T10] do_syscall_64+0xc6/0x1e0 [ 574.022706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.022706][ T10] [ 574.024424][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 574.024424][ T10] neigh_parms_alloc+0x1e5/0x510 [ 574.024424][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 574.024424][ T10] ipv6_find_idev+0x102/0x170 [ 574.024424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 574.024424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 574.024424][ T10] netlink_rcv_skb+0x130/0x360 [ 574.024424][ T10] netlink_unicast+0x449/0x710 [ 574.024424][ T10] netlink_sendmsg+0x723/0xbe0 [ 574.024424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 574.024424][ T10] ___sys_sendmsg+0xee/0x170 [ 574.024424][ T10] __sys_sendmsg+0xcd/0x170 [ 574.024424][ T10] do_syscall_64+0xc6/0x1e0 [ 574.024424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 574.024424][ T10] [ 584.139742][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 584.140168][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 584.140168][ T10] netdev_get_by_index+0x5e/0x80 [ 584.140168][ T10] fib6_nh_init+0x3d8/0x15b0 [ 584.140168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 584.140168][ T10] addrconf_f6i_alloc+0x244/0x410 [ 584.140168][ T10] ipv6_add_addr+0x411/0x2000 [ 584.140168][ T10] inet6_addr_add+0x30e/0xa40 [ 584.140168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 584.140168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.140168][ T10] netlink_rcv_skb+0x130/0x360 [ 584.140168][ T10] netlink_unicast+0x449/0x710 [ 584.140168][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.140168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.140168][ T10] ___sys_sendmsg+0xee/0x170 [ 584.140168][ T10] __sys_sendmsg+0xcd/0x170 [ 584.140168][ T10] do_syscall_64+0xc6/0x1e0 [ 584.140168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.140168][ T10] [ 584.142186][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 584.142186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 584.142186][ T10] ipv6_find_idev+0x102/0x170 [ 584.142186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.142186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.142186][ T10] netlink_rcv_skb+0x130/0x360 [ 584.142186][ T10] netlink_unicast+0x449/0x710 [ 584.142186][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.142186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.142186][ T10] ___sys_sendmsg+0xee/0x170 [ 584.142186][ T10] __sys_sendmsg+0xcd/0x170 [ 584.142186][ T10] do_syscall_64+0xc6/0x1e0 [ 584.142186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.142186][ T10] [ 584.143741][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 584.143741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 584.143741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 584.143741][ T10] ipv6_find_idev+0x102/0x170 [ 584.143741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.143741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.143741][ T10] netlink_rcv_skb+0x130/0x360 [ 584.143741][ T10] netlink_unicast+0x449/0x710 [ 584.143741][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.143741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.143741][ T10] ___sys_sendmsg+0xee/0x170 [ 584.143741][ T10] __sys_sendmsg+0xcd/0x170 [ 584.143741][ T10] do_syscall_64+0xc6/0x1e0 [ 584.143741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.143741][ T10] [ 584.145433][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 584.145714][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 584.145714][ T10] netdev_get_by_index+0x5e/0x80 [ 584.145714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 584.145714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 584.145714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 584.145714][ T10] ipv6_add_addr+0x411/0x2000 [ 584.145714][ T10] inet6_addr_add+0x30e/0xa40 [ 584.145714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 584.145714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.145714][ T10] netlink_rcv_skb+0x130/0x360 [ 584.145714][ T10] netlink_unicast+0x449/0x710 [ 584.145714][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.145714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.145714][ T10] ___sys_sendmsg+0xee/0x170 [ 584.145714][ T10] __sys_sendmsg+0xcd/0x170 [ 584.145714][ T10] do_syscall_64+0xc6/0x1e0 [ 584.145714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.145714][ T10] [ 584.147701][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 584.147701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 584.147701][ T10] ipv6_find_idev+0x102/0x170 [ 584.147701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.147701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.147701][ T10] netlink_rcv_skb+0x130/0x360 [ 584.147701][ T10] netlink_unicast+0x449/0x710 [ 584.147701][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.147701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.147701][ T10] ___sys_sendmsg+0xee/0x170 [ 584.147701][ T10] __sys_sendmsg+0xcd/0x170 [ 584.147701][ T10] do_syscall_64+0xc6/0x1e0 [ 584.147701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.147701][ T10] [ 584.149213][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 584.149213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 584.149213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 584.149213][ T10] ipv6_find_idev+0x102/0x170 [ 584.149213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.149213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.149213][ T10] netlink_rcv_skb+0x130/0x360 [ 584.149213][ T10] netlink_unicast+0x449/0x710 [ 584.149213][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.149213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.149213][ T10] ___sys_sendmsg+0xee/0x170 [ 584.149213][ T10] __sys_sendmsg+0xcd/0x170 [ 584.149213][ T10] do_syscall_64+0xc6/0x1e0 [ 584.149213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.149213][ T10] [ 584.150861][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 584.151123][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 584.151123][ T10] netdev_get_by_index+0x5e/0x80 [ 584.151123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 584.151123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 584.151123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 584.151123][ T10] ipv6_add_addr+0x411/0x2000 [ 584.151123][ T10] inet6_addr_add+0x30e/0xa40 [ 584.151123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 584.151123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.151123][ T10] netlink_rcv_skb+0x130/0x360 [ 584.151123][ T10] netlink_unicast+0x449/0x710 [ 584.151123][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.151123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.151123][ T10] ___sys_sendmsg+0xee/0x170 [ 584.151123][ T10] __sys_sendmsg+0xcd/0x170 [ 584.151123][ T10] do_syscall_64+0xc6/0x1e0 [ 584.151123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.151123][ T10] [ 584.153085][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 584.153085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 584.153085][ T10] ipv6_find_idev+0x102/0x170 [ 584.153085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.153085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.153085][ T10] netlink_rcv_skb+0x130/0x360 [ 584.153085][ T10] netlink_unicast+0x449/0x710 [ 584.153085][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.153085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.153085][ T10] ___sys_sendmsg+0xee/0x170 [ 584.153085][ T10] __sys_sendmsg+0xcd/0x170 [ 584.153085][ T10] do_syscall_64+0xc6/0x1e0 [ 584.153085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.153085][ T10] [ 584.154590][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 584.154590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 584.154590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 584.154590][ T10] ipv6_find_idev+0x102/0x170 [ 584.154590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.154590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.154590][ T10] netlink_rcv_skb+0x130/0x360 [ 584.154590][ T10] netlink_unicast+0x449/0x710 [ 584.154590][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.154590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.154590][ T10] ___sys_sendmsg+0xee/0x170 [ 584.154590][ T10] __sys_sendmsg+0xcd/0x170 [ 584.154590][ T10] do_syscall_64+0xc6/0x1e0 [ 584.154590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.154590][ T10] [ 584.156243][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 584.156511][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 584.156511][ T10] netdev_get_by_index+0x5e/0x80 [ 584.156511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 584.156511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 584.156511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 584.156511][ T10] ipv6_add_addr+0x411/0x2000 [ 584.156511][ T10] inet6_addr_add+0x30e/0xa40 [ 584.156511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 584.156511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.156511][ T10] netlink_rcv_skb+0x130/0x360 [ 584.156511][ T10] netlink_unicast+0x449/0x710 [ 584.156511][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.156511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.156511][ T10] ___sys_sendmsg+0xee/0x170 [ 584.156511][ T10] __sys_sendmsg+0xcd/0x170 [ 584.156511][ T10] do_syscall_64+0xc6/0x1e0 [ 584.156511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.156511][ T10] [ 584.158474][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 584.158474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 584.158474][ T10] ipv6_find_idev+0x102/0x170 [ 584.158474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.158474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.158474][ T10] netlink_rcv_skb+0x130/0x360 [ 584.158474][ T10] netlink_unicast+0x449/0x710 [ 584.158474][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.158474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.158474][ T10] ___sys_sendmsg+0xee/0x170 [ 584.158474][ T10] __sys_sendmsg+0xcd/0x170 [ 584.158474][ T10] do_syscall_64+0xc6/0x1e0 [ 584.158474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.158474][ T10] [ 584.160005][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 584.160005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 584.160005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 584.160005][ T10] ipv6_find_idev+0x102/0x170 [ 584.160005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.160005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.160005][ T10] netlink_rcv_skb+0x130/0x360 [ 584.160005][ T10] netlink_unicast+0x449/0x710 [ 584.160005][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.160005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.160005][ T10] ___sys_sendmsg+0xee/0x170 [ 584.160005][ T10] __sys_sendmsg+0xcd/0x170 [ 584.160005][ T10] do_syscall_64+0xc6/0x1e0 [ 584.160005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.160005][ T10] [ 584.162053][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 584.162313][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 584.162313][ T10] netdev_get_by_index+0x5e/0x80 [ 584.162313][ T10] fib6_nh_init+0x3d8/0x15b0 [ 584.162313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 584.162313][ T10] addrconf_f6i_alloc+0x244/0x410 [ 584.162313][ T10] ipv6_add_addr+0x411/0x2000 [ 584.162313][ T10] inet6_addr_add+0x30e/0xa40 [ 584.162313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 584.162313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.162313][ T10] netlink_rcv_skb+0x130/0x360 [ 584.162313][ T10] netlink_unicast+0x449/0x710 [ 584.162313][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.162313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.162313][ T10] ___sys_sendmsg+0xee/0x170 [ 584.162313][ T10] __sys_sendmsg+0xcd/0x170 [ 584.162313][ T10] do_syscall_64+0xc6/0x1e0 [ 584.162313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.162313][ T10] [ 584.164262][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 584.164262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 584.164262][ T10] ipv6_find_idev+0x102/0x170 [ 584.164262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.164262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.164262][ T10] netlink_rcv_skb+0x130/0x360 [ 584.164262][ T10] netlink_unicast+0x449/0x710 [ 584.164262][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.164262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.164262][ T10] ___sys_sendmsg+0xee/0x170 [ 584.164262][ T10] __sys_sendmsg+0xcd/0x170 [ 584.164262][ T10] do_syscall_64+0xc6/0x1e0 [ 584.164262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.164262][ T10] [ 584.165775][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 584.165775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 584.165775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 584.165775][ T10] ipv6_find_idev+0x102/0x170 [ 584.165775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.165775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.165775][ T10] netlink_rcv_skb+0x130/0x360 [ 584.165775][ T10] netlink_unicast+0x449/0x710 [ 584.165775][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.165775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.165775][ T10] ___sys_sendmsg+0xee/0x170 [ 584.165775][ T10] __sys_sendmsg+0xcd/0x170 [ 584.165775][ T10] do_syscall_64+0xc6/0x1e0 [ 584.165775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.165775][ T10] [ 584.167470][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 584.167779][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 584.167779][ T10] netdev_get_by_index+0x5e/0x80 [ 584.167779][ T10] fib6_nh_init+0x3d8/0x15b0 [ 584.167779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 584.167779][ T10] addrconf_f6i_alloc+0x244/0x410 [ 584.167779][ T10] ipv6_add_addr+0x411/0x2000 [ 584.167779][ T10] inet6_addr_add+0x30e/0xa40 [ 584.167779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 584.167779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.167779][ T10] netlink_rcv_skb+0x130/0x360 [ 584.167779][ T10] netlink_unicast+0x449/0x710 [ 584.167779][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.167779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.167779][ T10] ___sys_sendmsg+0xee/0x170 [ 584.167779][ T10] __sys_sendmsg+0xcd/0x170 [ 584.167779][ T10] do_syscall_64+0xc6/0x1e0 [ 584.167779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.167779][ T10] [ 584.169803][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 584.169803][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 584.169803][ T10] ipv6_find_idev+0x102/0x170 [ 584.169803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.169803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.169803][ T10] netlink_rcv_skb+0x130/0x360 [ 584.169803][ T10] netlink_unicast+0x449/0x710 [ 584.169803][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.169803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.169803][ T10] ___sys_sendmsg+0xee/0x170 [ 584.169803][ T10] __sys_sendmsg+0xcd/0x170 [ 584.169803][ T10] do_syscall_64+0xc6/0x1e0 [ 584.169803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.169803][ T10] [ 584.171561][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 584.171561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 584.171561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 584.171561][ T10] ipv6_find_idev+0x102/0x170 [ 584.171561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.171561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.171561][ T10] netlink_rcv_skb+0x130/0x360 [ 584.171561][ T10] netlink_unicast+0x449/0x710 [ 584.171561][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.171561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.171561][ T10] ___sys_sendmsg+0xee/0x170 [ 584.171561][ T10] __sys_sendmsg+0xcd/0x170 [ 584.171561][ T10] do_syscall_64+0xc6/0x1e0 [ 584.171561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.171561][ T10] [ 584.173447][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 584.173764][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 584.173764][ T10] netdev_get_by_index+0x5e/0x80 [ 584.173764][ T10] fib6_nh_init+0x3d8/0x15b0 [ 584.173764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 584.173764][ T10] addrconf_f6i_alloc+0x244/0x410 [ 584.173764][ T10] ipv6_add_addr+0x411/0x2000 [ 584.173764][ T10] inet6_addr_add+0x30e/0xa40 [ 584.173764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 584.173764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.173764][ T10] netlink_rcv_skb+0x130/0x360 [ 584.173764][ T10] netlink_unicast+0x449/0x710 [ 584.173764][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.173764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.173764][ T10] ___sys_sendmsg+0xee/0x170 [ 584.173764][ T10] __sys_sendmsg+0xcd/0x170 [ 584.173764][ T10] do_syscall_64+0xc6/0x1e0 [ 584.173764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.173764][ T10] [ 584.175795][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 584.175795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 584.175795][ T10] ipv6_find_idev+0x102/0x170 [ 584.175795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.175795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.175795][ T10] netlink_rcv_skb+0x130/0x360 [ 584.175795][ T10] netlink_unicast+0x449/0x710 [ 584.175795][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.175795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.175795][ T10] ___sys_sendmsg+0xee/0x170 [ 584.175795][ T10] __sys_sendmsg+0xcd/0x170 [ 584.175795][ T10] do_syscall_64+0xc6/0x1e0 [ 584.175795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.175795][ T10] [ 584.177487][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 584.177487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 584.177487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 584.177487][ T10] ipv6_find_idev+0x102/0x170 [ 584.177487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.177487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.177487][ T10] netlink_rcv_skb+0x130/0x360 [ 584.177487][ T10] netlink_unicast+0x449/0x710 [ 584.177487][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.177487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.177487][ T10] ___sys_sendmsg+0xee/0x170 [ 584.177487][ T10] __sys_sendmsg+0xcd/0x170 [ 584.177487][ T10] do_syscall_64+0xc6/0x1e0 [ 584.177487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.177487][ T10] [ 584.179353][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 584.179610][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 584.179610][ T10] netdev_get_by_index+0x5e/0x80 [ 584.179610][ T10] fib6_nh_init+0x3d8/0x15b0 [ 584.179610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 584.179610][ T10] addrconf_f6i_alloc+0x244/0x410 [ 584.179610][ T10] ipv6_add_addr+0x411/0x2000 [ 584.179610][ T10] inet6_addr_add+0x30e/0xa40 [ 584.179610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 584.179610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.179610][ T10] netlink_rcv_skb+0x130/0x360 [ 584.179610][ T10] netlink_unicast+0x449/0x710 [ 584.179610][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.179610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.179610][ T10] ___sys_sendmsg+0xee/0x170 [ 584.179610][ T10] __sys_sendmsg+0xcd/0x170 [ 584.179610][ T10] do_syscall_64+0xc6/0x1e0 [ 584.179610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.179610][ T10] [ 584.181702][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 584.181702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 584.181702][ T10] ipv6_find_idev+0x102/0x170 [ 584.181702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.181702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.181702][ T10] netlink_rcv_skb+0x130/0x360 [ 584.181702][ T10] netlink_unicast+0x449/0x710 [ 584.181702][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.181702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.181702][ T10] ___sys_sendmsg+0xee/0x170 [ 584.181702][ T10] __sys_sendmsg+0xcd/0x170 [ 584.181702][ T10] do_syscall_64+0xc6/0x1e0 [ 584.181702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.181702][ T10] [ 584.183390][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 584.183390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 584.183390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 584.183390][ T10] ipv6_find_idev+0x102/0x170 [ 584.183390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 584.183390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 584.183390][ T10] netlink_rcv_skb+0x130/0x360 [ 584.183390][ T10] netlink_unicast+0x449/0x710 [ 584.183390][ T10] netlink_sendmsg+0x723/0xbe0 [ 584.183390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 584.183390][ T10] ___sys_sendmsg+0xee/0x170 [ 584.183390][ T10] __sys_sendmsg+0xcd/0x170 [ 584.183390][ T10] do_syscall_64+0xc6/0x1e0 [ 584.183390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 584.183390][ T10] [ 594.259679][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 594.260122][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 594.260122][ T10] netdev_get_by_index+0x5e/0x80 [ 594.260122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 594.260122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 594.260122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 594.260122][ T10] ipv6_add_addr+0x411/0x2000 [ 594.260122][ T10] inet6_addr_add+0x30e/0xa40 [ 594.260122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 594.260122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.260122][ T10] netlink_rcv_skb+0x130/0x360 [ 594.260122][ T10] netlink_unicast+0x449/0x710 [ 594.260122][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.260122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.260122][ T10] ___sys_sendmsg+0xee/0x170 [ 594.260122][ T10] __sys_sendmsg+0xcd/0x170 [ 594.260122][ T10] do_syscall_64+0xc6/0x1e0 [ 594.260122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.260122][ T10] [ 594.262143][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 594.262143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 594.262143][ T10] ipv6_find_idev+0x102/0x170 [ 594.262143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.262143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.262143][ T10] netlink_rcv_skb+0x130/0x360 [ 594.262143][ T10] netlink_unicast+0x449/0x710 [ 594.262143][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.262143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.262143][ T10] ___sys_sendmsg+0xee/0x170 [ 594.262143][ T10] __sys_sendmsg+0xcd/0x170 [ 594.262143][ T10] do_syscall_64+0xc6/0x1e0 [ 594.262143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.262143][ T10] [ 594.263706][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 594.263706][ T10] neigh_parms_alloc+0x1e5/0x510 [ 594.263706][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 594.263706][ T10] ipv6_find_idev+0x102/0x170 [ 594.263706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.263706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.263706][ T10] netlink_rcv_skb+0x130/0x360 [ 594.263706][ T10] netlink_unicast+0x449/0x710 [ 594.263706][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.263706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.263706][ T10] ___sys_sendmsg+0xee/0x170 [ 594.263706][ T10] __sys_sendmsg+0xcd/0x170 [ 594.263706][ T10] do_syscall_64+0xc6/0x1e0 [ 594.263706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.263706][ T10] [ 594.265419][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 594.265702][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 594.265702][ T10] netdev_get_by_index+0x5e/0x80 [ 594.265702][ T10] fib6_nh_init+0x3d8/0x15b0 [ 594.265702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 594.265702][ T10] addrconf_f6i_alloc+0x244/0x410 [ 594.265702][ T10] ipv6_add_addr+0x411/0x2000 [ 594.265702][ T10] inet6_addr_add+0x30e/0xa40 [ 594.265702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 594.265702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.265702][ T10] netlink_rcv_skb+0x130/0x360 [ 594.265702][ T10] netlink_unicast+0x449/0x710 [ 594.265702][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.265702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.265702][ T10] ___sys_sendmsg+0xee/0x170 [ 594.265702][ T10] __sys_sendmsg+0xcd/0x170 [ 594.265702][ T10] do_syscall_64+0xc6/0x1e0 [ 594.265702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.265702][ T10] [ 594.267703][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 594.267703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 594.267703][ T10] ipv6_find_idev+0x102/0x170 [ 594.267703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.267703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.267703][ T10] netlink_rcv_skb+0x130/0x360 [ 594.267703][ T10] netlink_unicast+0x449/0x710 [ 594.267703][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.267703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.267703][ T10] ___sys_sendmsg+0xee/0x170 [ 594.267703][ T10] __sys_sendmsg+0xcd/0x170 [ 594.267703][ T10] do_syscall_64+0xc6/0x1e0 [ 594.267703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.267703][ T10] [ 594.269232][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 594.269232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 594.269232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 594.269232][ T10] ipv6_find_idev+0x102/0x170 [ 594.269232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.269232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.269232][ T10] netlink_rcv_skb+0x130/0x360 [ 594.269232][ T10] netlink_unicast+0x449/0x710 [ 594.269232][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.269232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.269232][ T10] ___sys_sendmsg+0xee/0x170 [ 594.269232][ T10] __sys_sendmsg+0xcd/0x170 [ 594.269232][ T10] do_syscall_64+0xc6/0x1e0 [ 594.269232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.269232][ T10] [ 594.271115][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 594.271490][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 594.271490][ T10] netdev_get_by_index+0x5e/0x80 [ 594.271490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 594.271490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 594.271490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 594.271490][ T10] ipv6_add_addr+0x411/0x2000 [ 594.271490][ T10] inet6_addr_add+0x30e/0xa40 [ 594.271490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 594.271490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.271490][ T10] netlink_rcv_skb+0x130/0x360 [ 594.271490][ T10] netlink_unicast+0x449/0x710 [ 594.271490][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.271490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.271490][ T10] ___sys_sendmsg+0xee/0x170 [ 594.271490][ T10] __sys_sendmsg+0xcd/0x170 [ 594.271490][ T10] do_syscall_64+0xc6/0x1e0 [ 594.271490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.271490][ T10] [ 594.273475][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 594.273475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 594.273475][ T10] ipv6_find_idev+0x102/0x170 [ 594.273475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.273475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.273475][ T10] netlink_rcv_skb+0x130/0x360 [ 594.273475][ T10] netlink_unicast+0x449/0x710 [ 594.273475][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.273475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.273475][ T10] ___sys_sendmsg+0xee/0x170 [ 594.273475][ T10] __sys_sendmsg+0xcd/0x170 [ 594.273475][ T10] do_syscall_64+0xc6/0x1e0 [ 594.273475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.273475][ T10] [ 594.275024][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 594.275024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 594.275024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 594.275024][ T10] ipv6_find_idev+0x102/0x170 [ 594.275024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.275024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.275024][ T10] netlink_rcv_skb+0x130/0x360 [ 594.275024][ T10] netlink_unicast+0x449/0x710 [ 594.275024][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.275024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.275024][ T10] ___sys_sendmsg+0xee/0x170 [ 594.275024][ T10] __sys_sendmsg+0xcd/0x170 [ 594.275024][ T10] do_syscall_64+0xc6/0x1e0 [ 594.275024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.275024][ T10] [ 594.277202][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 594.277574][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 594.277574][ T10] netdev_get_by_index+0x5e/0x80 [ 594.277574][ T10] fib6_nh_init+0x3d8/0x15b0 [ 594.277574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 594.277574][ T10] addrconf_f6i_alloc+0x244/0x410 [ 594.277574][ T10] ipv6_add_addr+0x411/0x2000 [ 594.277574][ T10] inet6_addr_add+0x30e/0xa40 [ 594.277574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 594.277574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.277574][ T10] netlink_rcv_skb+0x130/0x360 [ 594.277574][ T10] netlink_unicast+0x449/0x710 [ 594.277574][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.277574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.277574][ T10] ___sys_sendmsg+0xee/0x170 [ 594.277574][ T10] __sys_sendmsg+0xcd/0x170 [ 594.277574][ T10] do_syscall_64+0xc6/0x1e0 [ 594.277574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.277574][ T10] [ 594.279565][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 594.279565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 594.279565][ T10] ipv6_find_idev+0x102/0x170 [ 594.279565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.279565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.279565][ T10] netlink_rcv_skb+0x130/0x360 [ 594.279565][ T10] netlink_unicast+0x449/0x710 [ 594.279565][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.279565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.279565][ T10] ___sys_sendmsg+0xee/0x170 [ 594.279565][ T10] __sys_sendmsg+0xcd/0x170 [ 594.279565][ T10] do_syscall_64+0xc6/0x1e0 [ 594.279565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.279565][ T10] [ 594.281097][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 594.281097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 594.281097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 594.281097][ T10] ipv6_find_idev+0x102/0x170 [ 594.281097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.281097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.281097][ T10] netlink_rcv_skb+0x130/0x360 [ 594.281097][ T10] netlink_unicast+0x449/0x710 [ 594.281097][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.281097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.281097][ T10] ___sys_sendmsg+0xee/0x170 [ 594.281097][ T10] __sys_sendmsg+0xcd/0x170 [ 594.281097][ T10] do_syscall_64+0xc6/0x1e0 [ 594.281097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.281097][ T10] [ 594.282938][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 594.283357][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 594.283357][ T10] netdev_get_by_index+0x5e/0x80 [ 594.283357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 594.283357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 594.283357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 594.283357][ T10] ipv6_add_addr+0x411/0x2000 [ 594.283357][ T10] inet6_addr_add+0x30e/0xa40 [ 594.283357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 594.283357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.283357][ T10] netlink_rcv_skb+0x130/0x360 [ 594.283357][ T10] netlink_unicast+0x449/0x710 [ 594.283357][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.283357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.283357][ T10] ___sys_sendmsg+0xee/0x170 [ 594.283357][ T10] __sys_sendmsg+0xcd/0x170 [ 594.283357][ T10] do_syscall_64+0xc6/0x1e0 [ 594.283357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.283357][ T10] [ 594.285343][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 594.285343][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 594.285343][ T10] ipv6_find_idev+0x102/0x170 [ 594.285343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.285343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.285343][ T10] netlink_rcv_skb+0x130/0x360 [ 594.285343][ T10] netlink_unicast+0x449/0x710 [ 594.285343][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.285343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.285343][ T10] ___sys_sendmsg+0xee/0x170 [ 594.285343][ T10] __sys_sendmsg+0xcd/0x170 [ 594.285343][ T10] do_syscall_64+0xc6/0x1e0 [ 594.285343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.285343][ T10] [ 594.287090][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 594.287090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 594.287090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 594.287090][ T10] ipv6_find_idev+0x102/0x170 [ 594.287090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.287090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.287090][ T10] netlink_rcv_skb+0x130/0x360 [ 594.287090][ T10] netlink_unicast+0x449/0x710 [ 594.287090][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.287090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.287090][ T10] ___sys_sendmsg+0xee/0x170 [ 594.287090][ T10] __sys_sendmsg+0xcd/0x170 [ 594.287090][ T10] do_syscall_64+0xc6/0x1e0 [ 594.287090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.287090][ T10] [ 594.289350][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 594.289664][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 594.289664][ T10] netdev_get_by_index+0x5e/0x80 [ 594.289664][ T10] fib6_nh_init+0x3d8/0x15b0 [ 594.289664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 594.289664][ T10] addrconf_f6i_alloc+0x244/0x410 [ 594.289664][ T10] ipv6_add_addr+0x411/0x2000 [ 594.289664][ T10] inet6_addr_add+0x30e/0xa40 [ 594.289664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 594.289664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.289664][ T10] netlink_rcv_skb+0x130/0x360 [ 594.289664][ T10] netlink_unicast+0x449/0x710 [ 594.289664][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.289664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.289664][ T10] ___sys_sendmsg+0xee/0x170 [ 594.289664][ T10] __sys_sendmsg+0xcd/0x170 [ 594.289664][ T10] do_syscall_64+0xc6/0x1e0 [ 594.289664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.289664][ T10] [ 594.291647][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 594.291647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 594.291647][ T10] ipv6_find_idev+0x102/0x170 [ 594.291647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.291647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.291647][ T10] netlink_rcv_skb+0x130/0x360 [ 594.291647][ T10] netlink_unicast+0x449/0x710 [ 594.291647][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.291647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.291647][ T10] ___sys_sendmsg+0xee/0x170 [ 594.291647][ T10] __sys_sendmsg+0xcd/0x170 [ 594.291647][ T10] do_syscall_64+0xc6/0x1e0 [ 594.291647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.291647][ T10] [ 594.293182][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 594.293182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 594.293182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 594.293182][ T10] ipv6_find_idev+0x102/0x170 [ 594.293182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.293182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.293182][ T10] netlink_rcv_skb+0x130/0x360 [ 594.293182][ T10] netlink_unicast+0x449/0x710 [ 594.293182][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.293182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.293182][ T10] ___sys_sendmsg+0xee/0x170 [ 594.293182][ T10] __sys_sendmsg+0xcd/0x170 [ 594.293182][ T10] do_syscall_64+0xc6/0x1e0 [ 594.293182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.293182][ T10] [ 594.295168][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 594.295614][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 594.295614][ T10] netdev_get_by_index+0x5e/0x80 [ 594.295614][ T10] fib6_nh_init+0x3d8/0x15b0 [ 594.295614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 594.295614][ T10] addrconf_f6i_alloc+0x244/0x410 [ 594.295614][ T10] ipv6_add_addr+0x411/0x2000 [ 594.295614][ T10] inet6_addr_add+0x30e/0xa40 [ 594.295614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 594.295614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.295614][ T10] netlink_rcv_skb+0x130/0x360 [ 594.295614][ T10] netlink_unicast+0x449/0x710 [ 594.295614][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.295614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.295614][ T10] ___sys_sendmsg+0xee/0x170 [ 594.295614][ T10] __sys_sendmsg+0xcd/0x170 [ 594.295614][ T10] do_syscall_64+0xc6/0x1e0 [ 594.295614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.295614][ T10] [ 594.297789][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 594.297789][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 594.297789][ T10] ipv6_find_idev+0x102/0x170 [ 594.297789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.297789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.297789][ T10] netlink_rcv_skb+0x130/0x360 [ 594.297789][ T10] netlink_unicast+0x449/0x710 [ 594.297789][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.297789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.297789][ T10] ___sys_sendmsg+0xee/0x170 [ 594.297789][ T10] __sys_sendmsg+0xcd/0x170 [ 594.297789][ T10] do_syscall_64+0xc6/0x1e0 [ 594.297789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.297789][ T10] [ 594.299498][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 594.299498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 594.299498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 594.299498][ T10] ipv6_find_idev+0x102/0x170 [ 594.299498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.299498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.299498][ T10] netlink_rcv_skb+0x130/0x360 [ 594.299498][ T10] netlink_unicast+0x449/0x710 [ 594.299498][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.299498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.299498][ T10] ___sys_sendmsg+0xee/0x170 [ 594.299498][ T10] __sys_sendmsg+0xcd/0x170 [ 594.299498][ T10] do_syscall_64+0xc6/0x1e0 [ 594.299498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.299498][ T10] [ 594.301483][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 594.302031][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 594.302031][ T10] netdev_get_by_index+0x5e/0x80 [ 594.302031][ T10] fib6_nh_init+0x3d8/0x15b0 [ 594.302031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 594.302031][ T10] addrconf_f6i_alloc+0x244/0x410 [ 594.302031][ T10] ipv6_add_addr+0x411/0x2000 [ 594.302031][ T10] inet6_addr_add+0x30e/0xa40 [ 594.302031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 594.302031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.302031][ T10] netlink_rcv_skb+0x130/0x360 [ 594.302031][ T10] netlink_unicast+0x449/0x710 [ 594.302031][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.302031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.302031][ T10] ___sys_sendmsg+0xee/0x170 [ 594.302031][ T10] __sys_sendmsg+0xcd/0x170 [ 594.302031][ T10] do_syscall_64+0xc6/0x1e0 [ 594.302031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.302031][ T10] [ 594.304109][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 594.304109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 594.304109][ T10] ipv6_find_idev+0x102/0x170 [ 594.304109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.304109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.304109][ T10] netlink_rcv_skb+0x130/0x360 [ 594.304109][ T10] netlink_unicast+0x449/0x710 [ 594.304109][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.304109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.304109][ T10] ___sys_sendmsg+0xee/0x170 [ 594.304109][ T10] __sys_sendmsg+0xcd/0x170 [ 594.304109][ T10] do_syscall_64+0xc6/0x1e0 [ 594.304109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.304109][ T10] [ 594.305913][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 594.305913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 594.305913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 594.305913][ T10] ipv6_find_idev+0x102/0x170 [ 594.305913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 594.305913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 594.305913][ T10] netlink_rcv_skb+0x130/0x360 [ 594.305913][ T10] netlink_unicast+0x449/0x710 [ 594.305913][ T10] netlink_sendmsg+0x723/0xbe0 [ 594.305913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 594.305913][ T10] ___sys_sendmsg+0xee/0x170 [ 594.305913][ T10] __sys_sendmsg+0xcd/0x170 [ 594.305913][ T10] do_syscall_64+0xc6/0x1e0 [ 594.305913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 594.305913][ T10] [ 604.427697][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 604.428121][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 604.428121][ T10] netdev_get_by_index+0x5e/0x80 [ 604.428121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.428121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.428121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.428121][ T10] ipv6_add_addr+0x411/0x2000 [ 604.428121][ T10] inet6_addr_add+0x30e/0xa40 [ 604.428121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.428121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.428121][ T10] netlink_rcv_skb+0x130/0x360 [ 604.428121][ T10] netlink_unicast+0x449/0x710 [ 604.428121][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.428121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.428121][ T10] ___sys_sendmsg+0xee/0x170 [ 604.428121][ T10] __sys_sendmsg+0xcd/0x170 [ 604.428121][ T10] do_syscall_64+0xc6/0x1e0 [ 604.428121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.428121][ T10] [ 604.430387][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 604.430387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.430387][ T10] ipv6_find_idev+0x102/0x170 [ 604.430387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.430387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.430387][ T10] netlink_rcv_skb+0x130/0x360 [ 604.430387][ T10] netlink_unicast+0x449/0x710 [ 604.430387][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.430387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.430387][ T10] ___sys_sendmsg+0xee/0x170 [ 604.430387][ T10] __sys_sendmsg+0xcd/0x170 [ 604.430387][ T10] do_syscall_64+0xc6/0x1e0 [ 604.430387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.430387][ T10] [ 604.432128][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 604.432128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.432128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.432128][ T10] ipv6_find_idev+0x102/0x170 [ 604.432128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.432128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.432128][ T10] netlink_rcv_skb+0x130/0x360 [ 604.432128][ T10] netlink_unicast+0x449/0x710 [ 604.432128][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.432128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.432128][ T10] ___sys_sendmsg+0xee/0x170 [ 604.432128][ T10] __sys_sendmsg+0xcd/0x170 [ 604.432128][ T10] do_syscall_64+0xc6/0x1e0 [ 604.432128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.432128][ T10] [ 604.434019][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 604.434320][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 604.434320][ T10] netdev_get_by_index+0x5e/0x80 [ 604.434320][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.434320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.434320][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.434320][ T10] ipv6_add_addr+0x411/0x2000 [ 604.434320][ T10] inet6_addr_add+0x30e/0xa40 [ 604.434320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.434320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.434320][ T10] netlink_rcv_skb+0x130/0x360 [ 604.434320][ T10] netlink_unicast+0x449/0x710 [ 604.434320][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.434320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.434320][ T10] ___sys_sendmsg+0xee/0x170 [ 604.434320][ T10] __sys_sendmsg+0xcd/0x170 [ 604.434320][ T10] do_syscall_64+0xc6/0x1e0 [ 604.434320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.434320][ T10] [ 604.436545][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 604.436545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.436545][ T10] ipv6_find_idev+0x102/0x170 [ 604.436545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.436545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.436545][ T10] netlink_rcv_skb+0x130/0x360 [ 604.436545][ T10] netlink_unicast+0x449/0x710 [ 604.436545][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.436545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.436545][ T10] ___sys_sendmsg+0xee/0x170 [ 604.436545][ T10] __sys_sendmsg+0xcd/0x170 [ 604.436545][ T10] do_syscall_64+0xc6/0x1e0 [ 604.436545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.436545][ T10] [ 604.438258][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 604.438258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.438258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.438258][ T10] ipv6_find_idev+0x102/0x170 [ 604.438258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.438258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.438258][ T10] netlink_rcv_skb+0x130/0x360 [ 604.438258][ T10] netlink_unicast+0x449/0x710 [ 604.438258][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.438258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.438258][ T10] ___sys_sendmsg+0xee/0x170 [ 604.438258][ T10] __sys_sendmsg+0xcd/0x170 [ 604.438258][ T10] do_syscall_64+0xc6/0x1e0 [ 604.438258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.438258][ T10] [ 604.440093][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 604.440380][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 604.440380][ T10] netdev_get_by_index+0x5e/0x80 [ 604.440380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.440380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.440380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.440380][ T10] ipv6_add_addr+0x411/0x2000 [ 604.440380][ T10] inet6_addr_add+0x30e/0xa40 [ 604.440380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.440380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.440380][ T10] netlink_rcv_skb+0x130/0x360 [ 604.440380][ T10] netlink_unicast+0x449/0x710 [ 604.440380][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.440380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.440380][ T10] ___sys_sendmsg+0xee/0x170 [ 604.440380][ T10] __sys_sendmsg+0xcd/0x170 [ 604.440380][ T10] do_syscall_64+0xc6/0x1e0 [ 604.440380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.440380][ T10] [ 604.442594][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 604.442594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.442594][ T10] ipv6_find_idev+0x102/0x170 [ 604.442594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.442594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.442594][ T10] netlink_rcv_skb+0x130/0x360 [ 604.442594][ T10] netlink_unicast+0x449/0x710 [ 604.442594][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.442594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.442594][ T10] ___sys_sendmsg+0xee/0x170 [ 604.442594][ T10] __sys_sendmsg+0xcd/0x170 [ 604.442594][ T10] do_syscall_64+0xc6/0x1e0 [ 604.442594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.442594][ T10] [ 604.444292][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 604.444292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.444292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.444292][ T10] ipv6_find_idev+0x102/0x170 [ 604.444292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.444292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.444292][ T10] netlink_rcv_skb+0x130/0x360 [ 604.444292][ T10] netlink_unicast+0x449/0x710 [ 604.444292][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.444292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.444292][ T10] ___sys_sendmsg+0xee/0x170 [ 604.444292][ T10] __sys_sendmsg+0xcd/0x170 [ 604.444292][ T10] do_syscall_64+0xc6/0x1e0 [ 604.444292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.444292][ T10] [ 604.446155][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 604.446447][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 604.446447][ T10] netdev_get_by_index+0x5e/0x80 [ 604.446447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.446447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.446447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.446447][ T10] ipv6_add_addr+0x411/0x2000 [ 604.446447][ T10] inet6_addr_add+0x30e/0xa40 [ 604.446447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.446447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.446447][ T10] netlink_rcv_skb+0x130/0x360 [ 604.446447][ T10] netlink_unicast+0x449/0x710 [ 604.446447][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.446447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.446447][ T10] ___sys_sendmsg+0xee/0x170 [ 604.446447][ T10] __sys_sendmsg+0xcd/0x170 [ 604.446447][ T10] do_syscall_64+0xc6/0x1e0 [ 604.446447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.446447][ T10] [ 604.448674][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 604.448674][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.448674][ T10] ipv6_find_idev+0x102/0x170 [ 604.448674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.448674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.448674][ T10] netlink_rcv_skb+0x130/0x360 [ 604.448674][ T10] netlink_unicast+0x449/0x710 [ 604.448674][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.448674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.448674][ T10] ___sys_sendmsg+0xee/0x170 [ 604.448674][ T10] __sys_sendmsg+0xcd/0x170 [ 604.448674][ T10] do_syscall_64+0xc6/0x1e0 [ 604.448674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.448674][ T10] [ 604.450393][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 604.450393][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.450393][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.450393][ T10] ipv6_find_idev+0x102/0x170 [ 604.450393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.450393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.450393][ T10] netlink_rcv_skb+0x130/0x360 [ 604.450393][ T10] netlink_unicast+0x449/0x710 [ 604.450393][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.450393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.450393][ T10] ___sys_sendmsg+0xee/0x170 [ 604.450393][ T10] __sys_sendmsg+0xcd/0x170 [ 604.450393][ T10] do_syscall_64+0xc6/0x1e0 [ 604.450393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.450393][ T10] [ 604.452690][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 604.452978][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 604.452978][ T10] netdev_get_by_index+0x5e/0x80 [ 604.452978][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.452978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.452978][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.452978][ T10] ipv6_add_addr+0x411/0x2000 [ 604.452978][ T10] inet6_addr_add+0x30e/0xa40 [ 604.452978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.452978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.452978][ T10] netlink_rcv_skb+0x130/0x360 [ 604.452978][ T10] netlink_unicast+0x449/0x710 [ 604.452978][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.452978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.452978][ T10] ___sys_sendmsg+0xee/0x170 [ 604.452978][ T10] __sys_sendmsg+0xcd/0x170 [ 604.452978][ T10] do_syscall_64+0xc6/0x1e0 [ 604.452978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.452978][ T10] [ 604.455155][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 604.455155][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.455155][ T10] ipv6_find_idev+0x102/0x170 [ 604.455155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.455155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.455155][ T10] netlink_rcv_skb+0x130/0x360 [ 604.455155][ T10] netlink_unicast+0x449/0x710 [ 604.455155][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.455155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.455155][ T10] ___sys_sendmsg+0xee/0x170 [ 604.455155][ T10] __sys_sendmsg+0xcd/0x170 [ 604.455155][ T10] do_syscall_64+0xc6/0x1e0 [ 604.455155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.455155][ T10] [ 604.456834][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 604.456834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.456834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.456834][ T10] ipv6_find_idev+0x102/0x170 [ 604.456834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.456834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.456834][ T10] netlink_rcv_skb+0x130/0x360 [ 604.456834][ T10] netlink_unicast+0x449/0x710 [ 604.456834][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.456834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.456834][ T10] ___sys_sendmsg+0xee/0x170 [ 604.456834][ T10] __sys_sendmsg+0xcd/0x170 [ 604.456834][ T10] do_syscall_64+0xc6/0x1e0 [ 604.456834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.456834][ T10] [ 604.458713][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 604.458997][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 604.458997][ T10] netdev_get_by_index+0x5e/0x80 [ 604.458997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.458997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.458997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.458997][ T10] ipv6_add_addr+0x411/0x2000 [ 604.458997][ T10] inet6_addr_add+0x30e/0xa40 [ 604.458997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.458997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.458997][ T10] netlink_rcv_skb+0x130/0x360 [ 604.458997][ T10] netlink_unicast+0x449/0x710 [ 604.458997][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.458997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.458997][ T10] ___sys_sendmsg+0xee/0x170 [ 604.458997][ T10] __sys_sendmsg+0xcd/0x170 [ 604.458997][ T10] do_syscall_64+0xc6/0x1e0 [ 604.458997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.458997][ T10] [ 604.461340][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 604.461340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.461340][ T10] ipv6_find_idev+0x102/0x170 [ 604.461340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.461340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.461340][ T10] netlink_rcv_skb+0x130/0x360 [ 604.461340][ T10] netlink_unicast+0x449/0x710 [ 604.461340][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.461340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.461340][ T10] ___sys_sendmsg+0xee/0x170 [ 604.461340][ T10] __sys_sendmsg+0xcd/0x170 [ 604.461340][ T10] do_syscall_64+0xc6/0x1e0 [ 604.461340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.461340][ T10] [ 604.463162][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 604.463162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.463162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.463162][ T10] ipv6_find_idev+0x102/0x170 [ 604.463162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.463162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.463162][ T10] netlink_rcv_skb+0x130/0x360 [ 604.463162][ T10] netlink_unicast+0x449/0x710 [ 604.463162][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.463162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.463162][ T10] ___sys_sendmsg+0xee/0x170 [ 604.463162][ T10] __sys_sendmsg+0xcd/0x170 [ 604.463162][ T10] do_syscall_64+0xc6/0x1e0 [ 604.463162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.463162][ T10] [ 604.465222][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 604.465518][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 604.465518][ T10] netdev_get_by_index+0x5e/0x80 [ 604.465518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.465518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.465518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.465518][ T10] ipv6_add_addr+0x411/0x2000 [ 604.465518][ T10] inet6_addr_add+0x30e/0xa40 [ 604.465518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.465518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.465518][ T10] netlink_rcv_skb+0x130/0x360 [ 604.465518][ T10] netlink_unicast+0x449/0x710 [ 604.465518][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.465518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.465518][ T10] ___sys_sendmsg+0xee/0x170 [ 604.465518][ T10] __sys_sendmsg+0xcd/0x170 [ 604.465518][ T10] do_syscall_64+0xc6/0x1e0 [ 604.465518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.465518][ T10] [ 604.467833][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 604.467833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.467833][ T10] ipv6_find_idev+0x102/0x170 [ 604.467833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.467833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.467833][ T10] netlink_rcv_skb+0x130/0x360 [ 604.467833][ T10] netlink_unicast+0x449/0x710 [ 604.467833][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.467833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.467833][ T10] ___sys_sendmsg+0xee/0x170 [ 604.467833][ T10] __sys_sendmsg+0xcd/0x170 [ 604.467833][ T10] do_syscall_64+0xc6/0x1e0 [ 604.467833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.467833][ T10] [ 604.469715][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 604.469715][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.469715][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.469715][ T10] ipv6_find_idev+0x102/0x170 [ 604.469715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.469715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.469715][ T10] netlink_rcv_skb+0x130/0x360 [ 604.469715][ T10] netlink_unicast+0x449/0x710 [ 604.469715][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.469715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.469715][ T10] ___sys_sendmsg+0xee/0x170 [ 604.469715][ T10] __sys_sendmsg+0xcd/0x170 [ 604.469715][ T10] do_syscall_64+0xc6/0x1e0 [ 604.469715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.469715][ T10] [ 604.471782][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 604.472063][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 604.472063][ T10] netdev_get_by_index+0x5e/0x80 [ 604.472063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 604.472063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 604.472063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 604.472063][ T10] ipv6_add_addr+0x411/0x2000 [ 604.472063][ T10] inet6_addr_add+0x30e/0xa40 [ 604.472063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 604.472063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.472063][ T10] netlink_rcv_skb+0x130/0x360 [ 604.472063][ T10] netlink_unicast+0x449/0x710 [ 604.472063][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.472063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.472063][ T10] ___sys_sendmsg+0xee/0x170 [ 604.472063][ T10] __sys_sendmsg+0xcd/0x170 [ 604.472063][ T10] do_syscall_64+0xc6/0x1e0 [ 604.472063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.472063][ T10] [ 604.474476][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 604.474476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 604.474476][ T10] ipv6_find_idev+0x102/0x170 [ 604.474476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.474476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.474476][ T10] netlink_rcv_skb+0x130/0x360 [ 604.474476][ T10] netlink_unicast+0x449/0x710 [ 604.474476][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.474476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.474476][ T10] ___sys_sendmsg+0xee/0x170 [ 604.474476][ T10] __sys_sendmsg+0xcd/0x170 [ 604.474476][ T10] do_syscall_64+0xc6/0x1e0 [ 604.474476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.474476][ T10] [ 604.476217][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 604.476217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 604.476217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 604.476217][ T10] ipv6_find_idev+0x102/0x170 [ 604.476217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 604.476217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 604.476217][ T10] netlink_rcv_skb+0x130/0x360 [ 604.476217][ T10] netlink_unicast+0x449/0x710 [ 604.476217][ T10] netlink_sendmsg+0x723/0xbe0 [ 604.476217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 604.476217][ T10] ___sys_sendmsg+0xee/0x170 [ 604.476217][ T10] __sys_sendmsg+0xcd/0x170 [ 604.476217][ T10] do_syscall_64+0xc6/0x1e0 [ 604.476217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 604.476217][ T10] [ 614.579669][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 614.580026][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 614.580026][ T10] netdev_get_by_index+0x5e/0x80 [ 614.580026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.580026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.580026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.580026][ T10] ipv6_add_addr+0x411/0x2000 [ 614.580026][ T10] inet6_addr_add+0x30e/0xa40 [ 614.580026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.580026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.580026][ T10] netlink_rcv_skb+0x130/0x360 [ 614.580026][ T10] netlink_unicast+0x449/0x710 [ 614.580026][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.580026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.580026][ T10] ___sys_sendmsg+0xee/0x170 [ 614.580026][ T10] __sys_sendmsg+0xcd/0x170 [ 614.580026][ T10] do_syscall_64+0xc6/0x1e0 [ 614.580026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.580026][ T10] [ 614.582128][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 614.582128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.582128][ T10] ipv6_find_idev+0x102/0x170 [ 614.582128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.582128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.582128][ T10] netlink_rcv_skb+0x130/0x360 [ 614.582128][ T10] netlink_unicast+0x449/0x710 [ 614.582128][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.582128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.582128][ T10] ___sys_sendmsg+0xee/0x170 [ 614.582128][ T10] __sys_sendmsg+0xcd/0x170 [ 614.582128][ T10] do_syscall_64+0xc6/0x1e0 [ 614.582128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.582128][ T10] [ 614.583708][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 614.583708][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.583708][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.583708][ T10] ipv6_find_idev+0x102/0x170 [ 614.583708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.583708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.583708][ T10] netlink_rcv_skb+0x130/0x360 [ 614.583708][ T10] netlink_unicast+0x449/0x710 [ 614.583708][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.583708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.583708][ T10] ___sys_sendmsg+0xee/0x170 [ 614.583708][ T10] __sys_sendmsg+0xcd/0x170 [ 614.583708][ T10] do_syscall_64+0xc6/0x1e0 [ 614.583708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.583708][ T10] [ 614.585525][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 614.585836][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 614.585836][ T10] netdev_get_by_index+0x5e/0x80 [ 614.585836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.585836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.585836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.585836][ T10] ipv6_add_addr+0x411/0x2000 [ 614.585836][ T10] inet6_addr_add+0x30e/0xa40 [ 614.585836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.585836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.585836][ T10] netlink_rcv_skb+0x130/0x360 [ 614.585836][ T10] netlink_unicast+0x449/0x710 [ 614.585836][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.585836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.585836][ T10] ___sys_sendmsg+0xee/0x170 [ 614.585836][ T10] __sys_sendmsg+0xcd/0x170 [ 614.585836][ T10] do_syscall_64+0xc6/0x1e0 [ 614.585836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.585836][ T10] [ 614.587867][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 614.587867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.587867][ T10] ipv6_find_idev+0x102/0x170 [ 614.587867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.587867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.587867][ T10] netlink_rcv_skb+0x130/0x360 [ 614.587867][ T10] netlink_unicast+0x449/0x710 [ 614.587867][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.587867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.587867][ T10] ___sys_sendmsg+0xee/0x170 [ 614.587867][ T10] __sys_sendmsg+0xcd/0x170 [ 614.587867][ T10] do_syscall_64+0xc6/0x1e0 [ 614.587867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.587867][ T10] [ 614.589452][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 614.589452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.589452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.589452][ T10] ipv6_find_idev+0x102/0x170 [ 614.589452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.589452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.589452][ T10] netlink_rcv_skb+0x130/0x360 [ 614.589452][ T10] netlink_unicast+0x449/0x710 [ 614.589452][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.589452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.589452][ T10] ___sys_sendmsg+0xee/0x170 [ 614.589452][ T10] __sys_sendmsg+0xcd/0x170 [ 614.589452][ T10] do_syscall_64+0xc6/0x1e0 [ 614.589452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.589452][ T10] [ 614.591212][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 614.591494][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 614.591494][ T10] netdev_get_by_index+0x5e/0x80 [ 614.591494][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.591494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.591494][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.591494][ T10] ipv6_add_addr+0x411/0x2000 [ 614.591494][ T10] inet6_addr_add+0x30e/0xa40 [ 614.591494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.591494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.591494][ T10] netlink_rcv_skb+0x130/0x360 [ 614.591494][ T10] netlink_unicast+0x449/0x710 [ 614.591494][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.591494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.591494][ T10] ___sys_sendmsg+0xee/0x170 [ 614.591494][ T10] __sys_sendmsg+0xcd/0x170 [ 614.591494][ T10] do_syscall_64+0xc6/0x1e0 [ 614.591494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.591494][ T10] [ 614.593530][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 614.593530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.593530][ T10] ipv6_find_idev+0x102/0x170 [ 614.593530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.593530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.593530][ T10] netlink_rcv_skb+0x130/0x360 [ 614.593530][ T10] netlink_unicast+0x449/0x710 [ 614.593530][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.593530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.593530][ T10] ___sys_sendmsg+0xee/0x170 [ 614.593530][ T10] __sys_sendmsg+0xcd/0x170 [ 614.593530][ T10] do_syscall_64+0xc6/0x1e0 [ 614.593530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.593530][ T10] [ 614.595124][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 614.595124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.595124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.595124][ T10] ipv6_find_idev+0x102/0x170 [ 614.595124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.595124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.595124][ T10] netlink_rcv_skb+0x130/0x360 [ 614.595124][ T10] netlink_unicast+0x449/0x710 [ 614.595124][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.595124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.595124][ T10] ___sys_sendmsg+0xee/0x170 [ 614.595124][ T10] __sys_sendmsg+0xcd/0x170 [ 614.595124][ T10] do_syscall_64+0xc6/0x1e0 [ 614.595124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.595124][ T10] [ 614.596890][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 614.597169][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 614.597169][ T10] netdev_get_by_index+0x5e/0x80 [ 614.597169][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.597169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.597169][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.597169][ T10] ipv6_add_addr+0x411/0x2000 [ 614.597169][ T10] inet6_addr_add+0x30e/0xa40 [ 614.597169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.597169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.597169][ T10] netlink_rcv_skb+0x130/0x360 [ 614.597169][ T10] netlink_unicast+0x449/0x710 [ 614.597169][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.597169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.597169][ T10] ___sys_sendmsg+0xee/0x170 [ 614.597169][ T10] __sys_sendmsg+0xcd/0x170 [ 614.597169][ T10] do_syscall_64+0xc6/0x1e0 [ 614.597169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.597169][ T10] [ 614.599184][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 614.599184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.599184][ T10] ipv6_find_idev+0x102/0x170 [ 614.599184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.599184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.599184][ T10] netlink_rcv_skb+0x130/0x360 [ 614.599184][ T10] netlink_unicast+0x449/0x710 [ 614.599184][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.599184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.599184][ T10] ___sys_sendmsg+0xee/0x170 [ 614.599184][ T10] __sys_sendmsg+0xcd/0x170 [ 614.599184][ T10] do_syscall_64+0xc6/0x1e0 [ 614.599184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.599184][ T10] [ 614.600741][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 614.600741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.600741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.600741][ T10] ipv6_find_idev+0x102/0x170 [ 614.600741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.600741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.600741][ T10] netlink_rcv_skb+0x130/0x360 [ 614.600741][ T10] netlink_unicast+0x449/0x710 [ 614.600741][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.600741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.600741][ T10] ___sys_sendmsg+0xee/0x170 [ 614.600741][ T10] __sys_sendmsg+0xcd/0x170 [ 614.600741][ T10] do_syscall_64+0xc6/0x1e0 [ 614.600741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.600741][ T10] [ 614.602470][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 614.602776][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 614.602776][ T10] netdev_get_by_index+0x5e/0x80 [ 614.602776][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.602776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.602776][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.602776][ T10] ipv6_add_addr+0x411/0x2000 [ 614.602776][ T10] inet6_addr_add+0x30e/0xa40 [ 614.602776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.602776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.602776][ T10] netlink_rcv_skb+0x130/0x360 [ 614.602776][ T10] netlink_unicast+0x449/0x710 [ 614.602776][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.602776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.602776][ T10] ___sys_sendmsg+0xee/0x170 [ 614.602776][ T10] __sys_sendmsg+0xcd/0x170 [ 614.602776][ T10] do_syscall_64+0xc6/0x1e0 [ 614.602776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.602776][ T10] [ 614.604802][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 614.604802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.604802][ T10] ipv6_find_idev+0x102/0x170 [ 614.604802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.604802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.604802][ T10] netlink_rcv_skb+0x130/0x360 [ 614.604802][ T10] netlink_unicast+0x449/0x710 [ 614.604802][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.604802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.604802][ T10] ___sys_sendmsg+0xee/0x170 [ 614.604802][ T10] __sys_sendmsg+0xcd/0x170 [ 614.604802][ T10] do_syscall_64+0xc6/0x1e0 [ 614.604802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.604802][ T10] [ 614.606354][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 614.606354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.606354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.606354][ T10] ipv6_find_idev+0x102/0x170 [ 614.606354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.606354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.606354][ T10] netlink_rcv_skb+0x130/0x360 [ 614.606354][ T10] netlink_unicast+0x449/0x710 [ 614.606354][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.606354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.606354][ T10] ___sys_sendmsg+0xee/0x170 [ 614.606354][ T10] __sys_sendmsg+0xcd/0x170 [ 614.606354][ T10] do_syscall_64+0xc6/0x1e0 [ 614.606354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.606354][ T10] [ 614.608277][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 614.608618][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 614.608618][ T10] netdev_get_by_index+0x5e/0x80 [ 614.608618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.608618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.608618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.608618][ T10] ipv6_add_addr+0x411/0x2000 [ 614.608618][ T10] inet6_addr_add+0x30e/0xa40 [ 614.608618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.608618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.608618][ T10] netlink_rcv_skb+0x130/0x360 [ 614.608618][ T10] netlink_unicast+0x449/0x710 [ 614.608618][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.608618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.608618][ T10] ___sys_sendmsg+0xee/0x170 [ 614.608618][ T10] __sys_sendmsg+0xcd/0x170 [ 614.608618][ T10] do_syscall_64+0xc6/0x1e0 [ 614.608618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.608618][ T10] [ 614.610771][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 614.610771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.610771][ T10] ipv6_find_idev+0x102/0x170 [ 614.610771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.610771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.610771][ T10] netlink_rcv_skb+0x130/0x360 [ 614.610771][ T10] netlink_unicast+0x449/0x710 [ 614.610771][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.610771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.610771][ T10] ___sys_sendmsg+0xee/0x170 [ 614.610771][ T10] __sys_sendmsg+0xcd/0x170 [ 614.610771][ T10] do_syscall_64+0xc6/0x1e0 [ 614.610771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.610771][ T10] [ 614.612440][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 614.612440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.612440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.612440][ T10] ipv6_find_idev+0x102/0x170 [ 614.612440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.612440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.612440][ T10] netlink_rcv_skb+0x130/0x360 [ 614.612440][ T10] netlink_unicast+0x449/0x710 [ 614.612440][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.612440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.612440][ T10] ___sys_sendmsg+0xee/0x170 [ 614.612440][ T10] __sys_sendmsg+0xcd/0x170 [ 614.612440][ T10] do_syscall_64+0xc6/0x1e0 [ 614.612440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.612440][ T10] [ 614.614388][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 614.614659][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 614.614659][ T10] netdev_get_by_index+0x5e/0x80 [ 614.614659][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.614659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.614659][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.614659][ T10] ipv6_add_addr+0x411/0x2000 [ 614.614659][ T10] inet6_addr_add+0x30e/0xa40 [ 614.614659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.614659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.614659][ T10] netlink_rcv_skb+0x130/0x360 [ 614.614659][ T10] netlink_unicast+0x449/0x710 [ 614.614659][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.614659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.614659][ T10] ___sys_sendmsg+0xee/0x170 [ 614.614659][ T10] __sys_sendmsg+0xcd/0x170 [ 614.614659][ T10] do_syscall_64+0xc6/0x1e0 [ 614.614659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.614659][ T10] [ 614.616943][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 614.616943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.616943][ T10] ipv6_find_idev+0x102/0x170 [ 614.616943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.616943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.616943][ T10] netlink_rcv_skb+0x130/0x360 [ 614.616943][ T10] netlink_unicast+0x449/0x710 [ 614.616943][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.616943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.616943][ T10] ___sys_sendmsg+0xee/0x170 [ 614.616943][ T10] __sys_sendmsg+0xcd/0x170 [ 614.616943][ T10] do_syscall_64+0xc6/0x1e0 [ 614.616943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.616943][ T10] [ 614.618611][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 614.618611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.618611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.618611][ T10] ipv6_find_idev+0x102/0x170 [ 614.618611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.618611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.618611][ T10] netlink_rcv_skb+0x130/0x360 [ 614.618611][ T10] netlink_unicast+0x449/0x710 [ 614.618611][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.618611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.618611][ T10] ___sys_sendmsg+0xee/0x170 [ 614.618611][ T10] __sys_sendmsg+0xcd/0x170 [ 614.618611][ T10] do_syscall_64+0xc6/0x1e0 [ 614.618611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.618611][ T10] [ 614.620488][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 614.620814][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 614.620814][ T10] netdev_get_by_index+0x5e/0x80 [ 614.620814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 614.620814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 614.620814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 614.620814][ T10] ipv6_add_addr+0x411/0x2000 [ 614.620814][ T10] inet6_addr_add+0x30e/0xa40 [ 614.620814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 614.620814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.620814][ T10] netlink_rcv_skb+0x130/0x360 [ 614.620814][ T10] netlink_unicast+0x449/0x710 [ 614.620814][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.620814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.620814][ T10] ___sys_sendmsg+0xee/0x170 [ 614.620814][ T10] __sys_sendmsg+0xcd/0x170 [ 614.620814][ T10] do_syscall_64+0xc6/0x1e0 [ 614.620814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.620814][ T10] [ 614.622921][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 614.622921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 614.622921][ T10] ipv6_find_idev+0x102/0x170 [ 614.622921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.622921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.622921][ T10] netlink_rcv_skb+0x130/0x360 [ 614.622921][ T10] netlink_unicast+0x449/0x710 [ 614.622921][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.622921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.622921][ T10] ___sys_sendmsg+0xee/0x170 [ 614.622921][ T10] __sys_sendmsg+0xcd/0x170 [ 614.622921][ T10] do_syscall_64+0xc6/0x1e0 [ 614.622921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.622921][ T10] [ 614.624640][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 614.624640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 614.624640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 614.624640][ T10] ipv6_find_idev+0x102/0x170 [ 614.624640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 614.624640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 614.624640][ T10] netlink_rcv_skb+0x130/0x360 [ 614.624640][ T10] netlink_unicast+0x449/0x710 [ 614.624640][ T10] netlink_sendmsg+0x723/0xbe0 [ 614.624640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 614.624640][ T10] ___sys_sendmsg+0xee/0x170 [ 614.624640][ T10] __sys_sendmsg+0xcd/0x170 [ 614.624640][ T10] do_syscall_64+0xc6/0x1e0 [ 614.624640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 614.624640][ T10] [ 624.691660][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 624.692149][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 624.692149][ T10] netdev_get_by_index+0x5e/0x80 [ 624.692149][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.692149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.692149][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.692149][ T10] ipv6_add_addr+0x411/0x2000 [ 624.692149][ T10] inet6_addr_add+0x30e/0xa40 [ 624.692149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.692149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.692149][ T10] netlink_rcv_skb+0x130/0x360 [ 624.692149][ T10] netlink_unicast+0x449/0x710 [ 624.692149][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.692149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.692149][ T10] ___sys_sendmsg+0xee/0x170 [ 624.692149][ T10] __sys_sendmsg+0xcd/0x170 [ 624.692149][ T10] do_syscall_64+0xc6/0x1e0 [ 624.692149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.692149][ T10] [ 624.694374][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 624.694374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.694374][ T10] ipv6_find_idev+0x102/0x170 [ 624.694374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.694374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.694374][ T10] netlink_rcv_skb+0x130/0x360 [ 624.694374][ T10] netlink_unicast+0x449/0x710 [ 624.694374][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.694374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.694374][ T10] ___sys_sendmsg+0xee/0x170 [ 624.694374][ T10] __sys_sendmsg+0xcd/0x170 [ 624.694374][ T10] do_syscall_64+0xc6/0x1e0 [ 624.694374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.694374][ T10] [ 624.696076][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 624.696076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.696076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.696076][ T10] ipv6_find_idev+0x102/0x170 [ 624.696076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.696076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.696076][ T10] netlink_rcv_skb+0x130/0x360 [ 624.696076][ T10] netlink_unicast+0x449/0x710 [ 624.696076][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.696076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.696076][ T10] ___sys_sendmsg+0xee/0x170 [ 624.696076][ T10] __sys_sendmsg+0xcd/0x170 [ 624.696076][ T10] do_syscall_64+0xc6/0x1e0 [ 624.696076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.696076][ T10] [ 624.697942][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 624.698233][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 624.698233][ T10] netdev_get_by_index+0x5e/0x80 [ 624.698233][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.698233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.698233][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.698233][ T10] ipv6_add_addr+0x411/0x2000 [ 624.698233][ T10] inet6_addr_add+0x30e/0xa40 [ 624.698233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.698233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.698233][ T10] netlink_rcv_skb+0x130/0x360 [ 624.698233][ T10] netlink_unicast+0x449/0x710 [ 624.698233][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.698233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.698233][ T10] ___sys_sendmsg+0xee/0x170 [ 624.698233][ T10] __sys_sendmsg+0xcd/0x170 [ 624.698233][ T10] do_syscall_64+0xc6/0x1e0 [ 624.698233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.698233][ T10] [ 624.700438][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 624.700438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.700438][ T10] ipv6_find_idev+0x102/0x170 [ 624.700438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.700438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.700438][ T10] netlink_rcv_skb+0x130/0x360 [ 624.700438][ T10] netlink_unicast+0x449/0x710 [ 624.700438][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.700438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.700438][ T10] ___sys_sendmsg+0xee/0x170 [ 624.700438][ T10] __sys_sendmsg+0xcd/0x170 [ 624.700438][ T10] do_syscall_64+0xc6/0x1e0 [ 624.700438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.700438][ T10] [ 624.702126][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 624.702126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.702126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.702126][ T10] ipv6_find_idev+0x102/0x170 [ 624.702126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.702126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.702126][ T10] netlink_rcv_skb+0x130/0x360 [ 624.702126][ T10] netlink_unicast+0x449/0x710 [ 624.702126][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.702126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.702126][ T10] ___sys_sendmsg+0xee/0x170 [ 624.702126][ T10] __sys_sendmsg+0xcd/0x170 [ 624.702126][ T10] do_syscall_64+0xc6/0x1e0 [ 624.702126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.702126][ T10] [ 624.704022][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 624.704310][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 624.704310][ T10] netdev_get_by_index+0x5e/0x80 [ 624.704310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.704310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.704310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.704310][ T10] ipv6_add_addr+0x411/0x2000 [ 624.704310][ T10] inet6_addr_add+0x30e/0xa40 [ 624.704310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.704310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.704310][ T10] netlink_rcv_skb+0x130/0x360 [ 624.704310][ T10] netlink_unicast+0x449/0x710 [ 624.704310][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.704310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.704310][ T10] ___sys_sendmsg+0xee/0x170 [ 624.704310][ T10] __sys_sendmsg+0xcd/0x170 [ 624.704310][ T10] do_syscall_64+0xc6/0x1e0 [ 624.704310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.704310][ T10] [ 624.706483][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 624.706483][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.706483][ T10] ipv6_find_idev+0x102/0x170 [ 624.706483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.706483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.706483][ T10] netlink_rcv_skb+0x130/0x360 [ 624.706483][ T10] netlink_unicast+0x449/0x710 [ 624.706483][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.706483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.706483][ T10] ___sys_sendmsg+0xee/0x170 [ 624.706483][ T10] __sys_sendmsg+0xcd/0x170 [ 624.706483][ T10] do_syscall_64+0xc6/0x1e0 [ 624.706483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.706483][ T10] [ 624.708188][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 624.708188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.708188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.708188][ T10] ipv6_find_idev+0x102/0x170 [ 624.708188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.708188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.708188][ T10] netlink_rcv_skb+0x130/0x360 [ 624.708188][ T10] netlink_unicast+0x449/0x710 [ 624.708188][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.708188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.708188][ T10] ___sys_sendmsg+0xee/0x170 [ 624.708188][ T10] __sys_sendmsg+0xcd/0x170 [ 624.708188][ T10] do_syscall_64+0xc6/0x1e0 [ 624.708188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.708188][ T10] [ 624.710165][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 624.710541][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 624.710541][ T10] netdev_get_by_index+0x5e/0x80 [ 624.710541][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.710541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.710541][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.710541][ T10] ipv6_add_addr+0x411/0x2000 [ 624.710541][ T10] inet6_addr_add+0x30e/0xa40 [ 624.710541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.710541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.710541][ T10] netlink_rcv_skb+0x130/0x360 [ 624.710541][ T10] netlink_unicast+0x449/0x710 [ 624.710541][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.710541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.710541][ T10] ___sys_sendmsg+0xee/0x170 [ 624.710541][ T10] __sys_sendmsg+0xcd/0x170 [ 624.710541][ T10] do_syscall_64+0xc6/0x1e0 [ 624.710541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.710541][ T10] [ 624.712720][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 624.712720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.712720][ T10] ipv6_find_idev+0x102/0x170 [ 624.712720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.712720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.712720][ T10] netlink_rcv_skb+0x130/0x360 [ 624.712720][ T10] netlink_unicast+0x449/0x710 [ 624.712720][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.712720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.712720][ T10] ___sys_sendmsg+0xee/0x170 [ 624.712720][ T10] __sys_sendmsg+0xcd/0x170 [ 624.712720][ T10] do_syscall_64+0xc6/0x1e0 [ 624.712720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.712720][ T10] [ 624.714389][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 624.714389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.714389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.714389][ T10] ipv6_find_idev+0x102/0x170 [ 624.714389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.714389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.714389][ T10] netlink_rcv_skb+0x130/0x360 [ 624.714389][ T10] netlink_unicast+0x449/0x710 [ 624.714389][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.714389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.714389][ T10] ___sys_sendmsg+0xee/0x170 [ 624.714389][ T10] __sys_sendmsg+0xcd/0x170 [ 624.714389][ T10] do_syscall_64+0xc6/0x1e0 [ 624.714389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.714389][ T10] [ 624.716856][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 624.717148][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 624.717148][ T10] netdev_get_by_index+0x5e/0x80 [ 624.717148][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.717148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.717148][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.717148][ T10] ipv6_add_addr+0x411/0x2000 [ 624.717148][ T10] inet6_addr_add+0x30e/0xa40 [ 624.717148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.717148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.717148][ T10] netlink_rcv_skb+0x130/0x360 [ 624.717148][ T10] netlink_unicast+0x449/0x710 [ 624.717148][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.717148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.717148][ T10] ___sys_sendmsg+0xee/0x170 [ 624.717148][ T10] __sys_sendmsg+0xcd/0x170 [ 624.717148][ T10] do_syscall_64+0xc6/0x1e0 [ 624.717148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.717148][ T10] [ 624.719348][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 624.719348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.719348][ T10] ipv6_find_idev+0x102/0x170 [ 624.719348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.719348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.719348][ T10] netlink_rcv_skb+0x130/0x360 [ 624.719348][ T10] netlink_unicast+0x449/0x710 [ 624.719348][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.719348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.719348][ T10] ___sys_sendmsg+0xee/0x170 [ 624.719348][ T10] __sys_sendmsg+0xcd/0x170 [ 624.719348][ T10] do_syscall_64+0xc6/0x1e0 [ 624.719348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.719348][ T10] [ 624.721026][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 624.721026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.721026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.721026][ T10] ipv6_find_idev+0x102/0x170 [ 624.721026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.721026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.721026][ T10] netlink_rcv_skb+0x130/0x360 [ 624.721026][ T10] netlink_unicast+0x449/0x710 [ 624.721026][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.721026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.721026][ T10] ___sys_sendmsg+0xee/0x170 [ 624.721026][ T10] __sys_sendmsg+0xcd/0x170 [ 624.721026][ T10] do_syscall_64+0xc6/0x1e0 [ 624.721026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.721026][ T10] [ 624.722902][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 624.723186][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 624.723186][ T10] netdev_get_by_index+0x5e/0x80 [ 624.723186][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.723186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.723186][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.723186][ T10] ipv6_add_addr+0x411/0x2000 [ 624.723186][ T10] inet6_addr_add+0x30e/0xa40 [ 624.723186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.723186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.723186][ T10] netlink_rcv_skb+0x130/0x360 [ 624.723186][ T10] netlink_unicast+0x449/0x710 [ 624.723186][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.723186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.723186][ T10] ___sys_sendmsg+0xee/0x170 [ 624.723186][ T10] __sys_sendmsg+0xcd/0x170 [ 624.723186][ T10] do_syscall_64+0xc6/0x1e0 [ 624.723186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.723186][ T10] [ 624.725558][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 624.725558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.725558][ T10] ipv6_find_idev+0x102/0x170 [ 624.725558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.725558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.725558][ T10] netlink_rcv_skb+0x130/0x360 [ 624.725558][ T10] netlink_unicast+0x449/0x710 [ 624.725558][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.725558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.725558][ T10] ___sys_sendmsg+0xee/0x170 [ 624.725558][ T10] __sys_sendmsg+0xcd/0x170 [ 624.725558][ T10] do_syscall_64+0xc6/0x1e0 [ 624.725558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.725558][ T10] [ 624.727488][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 624.727488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.727488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.727488][ T10] ipv6_find_idev+0x102/0x170 [ 624.727488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.727488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.727488][ T10] netlink_rcv_skb+0x130/0x360 [ 624.727488][ T10] netlink_unicast+0x449/0x710 [ 624.727488][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.727488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.727488][ T10] ___sys_sendmsg+0xee/0x170 [ 624.727488][ T10] __sys_sendmsg+0xcd/0x170 [ 624.727488][ T10] do_syscall_64+0xc6/0x1e0 [ 624.727488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.727488][ T10] [ 624.729745][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 624.730036][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 624.730036][ T10] netdev_get_by_index+0x5e/0x80 [ 624.730036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.730036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.730036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.730036][ T10] ipv6_add_addr+0x411/0x2000 [ 624.730036][ T10] inet6_addr_add+0x30e/0xa40 [ 624.730036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.730036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.730036][ T10] netlink_rcv_skb+0x130/0x360 [ 624.730036][ T10] netlink_unicast+0x449/0x710 [ 624.730036][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.730036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.730036][ T10] ___sys_sendmsg+0xee/0x170 [ 624.730036][ T10] __sys_sendmsg+0xcd/0x170 [ 624.730036][ T10] do_syscall_64+0xc6/0x1e0 [ 624.730036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.730036][ T10] [ 624.732424][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 624.732424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.732424][ T10] ipv6_find_idev+0x102/0x170 [ 624.732424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.732424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.732424][ T10] netlink_rcv_skb+0x130/0x360 [ 624.732424][ T10] netlink_unicast+0x449/0x710 [ 624.732424][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.732424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.732424][ T10] ___sys_sendmsg+0xee/0x170 [ 624.732424][ T10] __sys_sendmsg+0xcd/0x170 [ 624.732424][ T10] do_syscall_64+0xc6/0x1e0 [ 624.732424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.732424][ T10] [ 624.734297][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 624.734297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.734297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.734297][ T10] ipv6_find_idev+0x102/0x170 [ 624.734297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.734297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.734297][ T10] netlink_rcv_skb+0x130/0x360 [ 624.734297][ T10] netlink_unicast+0x449/0x710 [ 624.734297][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.734297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.734297][ T10] ___sys_sendmsg+0xee/0x170 [ 624.734297][ T10] __sys_sendmsg+0xcd/0x170 [ 624.734297][ T10] do_syscall_64+0xc6/0x1e0 [ 624.734297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.734297][ T10] [ 624.736376][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 624.736728][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 624.736728][ T10] netdev_get_by_index+0x5e/0x80 [ 624.736728][ T10] fib6_nh_init+0x3d8/0x15b0 [ 624.736728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 624.736728][ T10] addrconf_f6i_alloc+0x244/0x410 [ 624.736728][ T10] ipv6_add_addr+0x411/0x2000 [ 624.736728][ T10] inet6_addr_add+0x30e/0xa40 [ 624.736728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 624.736728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.736728][ T10] netlink_rcv_skb+0x130/0x360 [ 624.736728][ T10] netlink_unicast+0x449/0x710 [ 624.736728][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.736728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.736728][ T10] ___sys_sendmsg+0xee/0x170 [ 624.736728][ T10] __sys_sendmsg+0xcd/0x170 [ 624.736728][ T10] do_syscall_64+0xc6/0x1e0 [ 624.736728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.736728][ T10] [ 624.739176][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 624.739176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 624.739176][ T10] ipv6_find_idev+0x102/0x170 [ 624.739176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.739176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.739176][ T10] netlink_rcv_skb+0x130/0x360 [ 624.739176][ T10] netlink_unicast+0x449/0x710 [ 624.739176][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.739176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.739176][ T10] ___sys_sendmsg+0xee/0x170 [ 624.739176][ T10] __sys_sendmsg+0xcd/0x170 [ 624.739176][ T10] do_syscall_64+0xc6/0x1e0 [ 624.739176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.739176][ T10] [ 624.741049][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 624.741049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 624.741049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 624.741049][ T10] ipv6_find_idev+0x102/0x170 [ 624.741049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 624.741049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 624.741049][ T10] netlink_rcv_skb+0x130/0x360 [ 624.741049][ T10] netlink_unicast+0x449/0x710 [ 624.741049][ T10] netlink_sendmsg+0x723/0xbe0 [ 624.741049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 624.741049][ T10] ___sys_sendmsg+0xee/0x170 [ 624.741049][ T10] __sys_sendmsg+0xcd/0x170 [ 624.741049][ T10] do_syscall_64+0xc6/0x1e0 [ 624.741049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 624.741049][ T10] [ 634.787689][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 634.788174][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 634.788174][ T10] netdev_get_by_index+0x5e/0x80 [ 634.788174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.788174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.788174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.788174][ T10] ipv6_add_addr+0x411/0x2000 [ 634.788174][ T10] inet6_addr_add+0x30e/0xa40 [ 634.788174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.788174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.788174][ T10] netlink_rcv_skb+0x130/0x360 [ 634.788174][ T10] netlink_unicast+0x449/0x710 [ 634.788174][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.788174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.788174][ T10] ___sys_sendmsg+0xee/0x170 [ 634.788174][ T10] __sys_sendmsg+0xcd/0x170 [ 634.788174][ T10] do_syscall_64+0xc6/0x1e0 [ 634.788174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.788174][ T10] [ 634.790473][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 634.790473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.790473][ T10] ipv6_find_idev+0x102/0x170 [ 634.790473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.790473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.790473][ T10] netlink_rcv_skb+0x130/0x360 [ 634.790473][ T10] netlink_unicast+0x449/0x710 [ 634.790473][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.790473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.790473][ T10] ___sys_sendmsg+0xee/0x170 [ 634.790473][ T10] __sys_sendmsg+0xcd/0x170 [ 634.790473][ T10] do_syscall_64+0xc6/0x1e0 [ 634.790473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.790473][ T10] [ 634.792242][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 634.792242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.792242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.792242][ T10] ipv6_find_idev+0x102/0x170 [ 634.792242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.792242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.792242][ T10] netlink_rcv_skb+0x130/0x360 [ 634.792242][ T10] netlink_unicast+0x449/0x710 [ 634.792242][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.792242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.792242][ T10] ___sys_sendmsg+0xee/0x170 [ 634.792242][ T10] __sys_sendmsg+0xcd/0x170 [ 634.792242][ T10] do_syscall_64+0xc6/0x1e0 [ 634.792242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.792242][ T10] [ 634.794180][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 634.794481][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 634.794481][ T10] netdev_get_by_index+0x5e/0x80 [ 634.794481][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.794481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.794481][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.794481][ T10] ipv6_add_addr+0x411/0x2000 [ 634.794481][ T10] inet6_addr_add+0x30e/0xa40 [ 634.794481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.794481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.794481][ T10] netlink_rcv_skb+0x130/0x360 [ 634.794481][ T10] netlink_unicast+0x449/0x710 [ 634.794481][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.794481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.794481][ T10] ___sys_sendmsg+0xee/0x170 [ 634.794481][ T10] __sys_sendmsg+0xcd/0x170 [ 634.794481][ T10] do_syscall_64+0xc6/0x1e0 [ 634.794481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.794481][ T10] [ 634.796758][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 634.796758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.796758][ T10] ipv6_find_idev+0x102/0x170 [ 634.796758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.796758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.796758][ T10] netlink_rcv_skb+0x130/0x360 [ 634.796758][ T10] netlink_unicast+0x449/0x710 [ 634.796758][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.796758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.796758][ T10] ___sys_sendmsg+0xee/0x170 [ 634.796758][ T10] __sys_sendmsg+0xcd/0x170 [ 634.796758][ T10] do_syscall_64+0xc6/0x1e0 [ 634.796758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.796758][ T10] [ 634.798506][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 634.798506][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.798506][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.798506][ T10] ipv6_find_idev+0x102/0x170 [ 634.798506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.798506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.798506][ T10] netlink_rcv_skb+0x130/0x360 [ 634.798506][ T10] netlink_unicast+0x449/0x710 [ 634.798506][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.798506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.798506][ T10] ___sys_sendmsg+0xee/0x170 [ 634.798506][ T10] __sys_sendmsg+0xcd/0x170 [ 634.798506][ T10] do_syscall_64+0xc6/0x1e0 [ 634.798506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.798506][ T10] [ 634.800390][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 634.800704][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 634.800704][ T10] netdev_get_by_index+0x5e/0x80 [ 634.800704][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.800704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.800704][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.800704][ T10] ipv6_add_addr+0x411/0x2000 [ 634.800704][ T10] inet6_addr_add+0x30e/0xa40 [ 634.800704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.800704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.800704][ T10] netlink_rcv_skb+0x130/0x360 [ 634.800704][ T10] netlink_unicast+0x449/0x710 [ 634.800704][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.800704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.800704][ T10] ___sys_sendmsg+0xee/0x170 [ 634.800704][ T10] __sys_sendmsg+0xcd/0x170 [ 634.800704][ T10] do_syscall_64+0xc6/0x1e0 [ 634.800704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.800704][ T10] [ 634.802942][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 634.802942][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.802942][ T10] ipv6_find_idev+0x102/0x170 [ 634.802942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.802942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.802942][ T10] netlink_rcv_skb+0x130/0x360 [ 634.802942][ T10] netlink_unicast+0x449/0x710 [ 634.802942][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.802942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.802942][ T10] ___sys_sendmsg+0xee/0x170 [ 634.802942][ T10] __sys_sendmsg+0xcd/0x170 [ 634.802942][ T10] do_syscall_64+0xc6/0x1e0 [ 634.802942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.802942][ T10] [ 634.804685][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 634.804685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.804685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.804685][ T10] ipv6_find_idev+0x102/0x170 [ 634.804685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.804685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.804685][ T10] netlink_rcv_skb+0x130/0x360 [ 634.804685][ T10] netlink_unicast+0x449/0x710 [ 634.804685][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.804685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.804685][ T10] ___sys_sendmsg+0xee/0x170 [ 634.804685][ T10] __sys_sendmsg+0xcd/0x170 [ 634.804685][ T10] do_syscall_64+0xc6/0x1e0 [ 634.804685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.804685][ T10] [ 634.806581][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 634.806891][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 634.806891][ T10] netdev_get_by_index+0x5e/0x80 [ 634.806891][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.806891][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.806891][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.806891][ T10] ipv6_add_addr+0x411/0x2000 [ 634.806891][ T10] inet6_addr_add+0x30e/0xa40 [ 634.806891][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.806891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.806891][ T10] netlink_rcv_skb+0x130/0x360 [ 634.806891][ T10] netlink_unicast+0x449/0x710 [ 634.806891][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.806891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.806891][ T10] ___sys_sendmsg+0xee/0x170 [ 634.806891][ T10] __sys_sendmsg+0xcd/0x170 [ 634.806891][ T10] do_syscall_64+0xc6/0x1e0 [ 634.806891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.806891][ T10] [ 634.809149][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 634.809149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.809149][ T10] ipv6_find_idev+0x102/0x170 [ 634.809149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.809149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.809149][ T10] netlink_rcv_skb+0x130/0x360 [ 634.809149][ T10] netlink_unicast+0x449/0x710 [ 634.809149][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.809149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.809149][ T10] ___sys_sendmsg+0xee/0x170 [ 634.809149][ T10] __sys_sendmsg+0xcd/0x170 [ 634.809149][ T10] do_syscall_64+0xc6/0x1e0 [ 634.809149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.809149][ T10] [ 634.810881][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 634.810881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.810881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.810881][ T10] ipv6_find_idev+0x102/0x170 [ 634.810881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.810881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.810881][ T10] netlink_rcv_skb+0x130/0x360 [ 634.810881][ T10] netlink_unicast+0x449/0x710 [ 634.810881][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.810881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.810881][ T10] ___sys_sendmsg+0xee/0x170 [ 634.810881][ T10] __sys_sendmsg+0xcd/0x170 [ 634.810881][ T10] do_syscall_64+0xc6/0x1e0 [ 634.810881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.810881][ T10] [ 634.813153][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 634.813875][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 634.813875][ T10] netdev_get_by_index+0x5e/0x80 [ 634.813875][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.813875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.813875][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.813875][ T10] ipv6_add_addr+0x411/0x2000 [ 634.813875][ T10] inet6_addr_add+0x30e/0xa40 [ 634.813875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.813875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.813875][ T10] netlink_rcv_skb+0x130/0x360 [ 634.813875][ T10] netlink_unicast+0x449/0x710 [ 634.813875][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.813875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.813875][ T10] ___sys_sendmsg+0xee/0x170 [ 634.813875][ T10] __sys_sendmsg+0xcd/0x170 [ 634.813875][ T10] do_syscall_64+0xc6/0x1e0 [ 634.813875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.813875][ T10] [ 634.816112][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 634.816112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.816112][ T10] ipv6_find_idev+0x102/0x170 [ 634.816112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.816112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.816112][ T10] netlink_rcv_skb+0x130/0x360 [ 634.816112][ T10] netlink_unicast+0x449/0x710 [ 634.816112][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.816112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.816112][ T10] ___sys_sendmsg+0xee/0x170 [ 634.816112][ T10] __sys_sendmsg+0xcd/0x170 [ 634.816112][ T10] do_syscall_64+0xc6/0x1e0 [ 634.816112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.816112][ T10] [ 634.817858][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 634.817858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.817858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.817858][ T10] ipv6_find_idev+0x102/0x170 [ 634.817858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.817858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.817858][ T10] netlink_rcv_skb+0x130/0x360 [ 634.817858][ T10] netlink_unicast+0x449/0x710 [ 634.817858][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.817858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.817858][ T10] ___sys_sendmsg+0xee/0x170 [ 634.817858][ T10] __sys_sendmsg+0xcd/0x170 [ 634.817858][ T10] do_syscall_64+0xc6/0x1e0 [ 634.817858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.817858][ T10] [ 634.819791][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 634.820125][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 634.820125][ T10] netdev_get_by_index+0x5e/0x80 [ 634.820125][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.820125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.820125][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.820125][ T10] ipv6_add_addr+0x411/0x2000 [ 634.820125][ T10] inet6_addr_add+0x30e/0xa40 [ 634.820125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.820125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.820125][ T10] netlink_rcv_skb+0x130/0x360 [ 634.820125][ T10] netlink_unicast+0x449/0x710 [ 634.820125][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.820125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.820125][ T10] ___sys_sendmsg+0xee/0x170 [ 634.820125][ T10] __sys_sendmsg+0xcd/0x170 [ 634.820125][ T10] do_syscall_64+0xc6/0x1e0 [ 634.820125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.820125][ T10] [ 634.822360][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 634.822360][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.822360][ T10] ipv6_find_idev+0x102/0x170 [ 634.822360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.822360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.822360][ T10] netlink_rcv_skb+0x130/0x360 [ 634.822360][ T10] netlink_unicast+0x449/0x710 [ 634.822360][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.822360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.822360][ T10] ___sys_sendmsg+0xee/0x170 [ 634.822360][ T10] __sys_sendmsg+0xcd/0x170 [ 634.822360][ T10] do_syscall_64+0xc6/0x1e0 [ 634.822360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.822360][ T10] [ 634.824077][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 634.824077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.824077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.824077][ T10] ipv6_find_idev+0x102/0x170 [ 634.824077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.824077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.824077][ T10] netlink_rcv_skb+0x130/0x360 [ 634.824077][ T10] netlink_unicast+0x449/0x710 [ 634.824077][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.824077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.824077][ T10] ___sys_sendmsg+0xee/0x170 [ 634.824077][ T10] __sys_sendmsg+0xcd/0x170 [ 634.824077][ T10] do_syscall_64+0xc6/0x1e0 [ 634.824077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.824077][ T10] [ 634.826113][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 634.826449][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 634.826449][ T10] netdev_get_by_index+0x5e/0x80 [ 634.826449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.826449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.826449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.826449][ T10] ipv6_add_addr+0x411/0x2000 [ 634.826449][ T10] inet6_addr_add+0x30e/0xa40 [ 634.826449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.826449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.826449][ T10] netlink_rcv_skb+0x130/0x360 [ 634.826449][ T10] netlink_unicast+0x449/0x710 [ 634.826449][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.826449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.826449][ T10] ___sys_sendmsg+0xee/0x170 [ 634.826449][ T10] __sys_sendmsg+0xcd/0x170 [ 634.826449][ T10] do_syscall_64+0xc6/0x1e0 [ 634.826449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.826449][ T10] [ 634.828955][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 634.828955][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.828955][ T10] ipv6_find_idev+0x102/0x170 [ 634.828955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.828955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.828955][ T10] netlink_rcv_skb+0x130/0x360 [ 634.828955][ T10] netlink_unicast+0x449/0x710 [ 634.828955][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.828955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.828955][ T10] ___sys_sendmsg+0xee/0x170 [ 634.828955][ T10] __sys_sendmsg+0xcd/0x170 [ 634.828955][ T10] do_syscall_64+0xc6/0x1e0 [ 634.828955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.828955][ T10] [ 634.830817][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 634.830817][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.830817][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.830817][ T10] ipv6_find_idev+0x102/0x170 [ 634.830817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.830817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.830817][ T10] netlink_rcv_skb+0x130/0x360 [ 634.830817][ T10] netlink_unicast+0x449/0x710 [ 634.830817][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.830817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.830817][ T10] ___sys_sendmsg+0xee/0x170 [ 634.830817][ T10] __sys_sendmsg+0xcd/0x170 [ 634.830817][ T10] do_syscall_64+0xc6/0x1e0 [ 634.830817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.830817][ T10] [ 634.832867][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 634.833202][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 634.833202][ T10] netdev_get_by_index+0x5e/0x80 [ 634.833202][ T10] fib6_nh_init+0x3d8/0x15b0 [ 634.833202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 634.833202][ T10] addrconf_f6i_alloc+0x244/0x410 [ 634.833202][ T10] ipv6_add_addr+0x411/0x2000 [ 634.833202][ T10] inet6_addr_add+0x30e/0xa40 [ 634.833202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 634.833202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.833202][ T10] netlink_rcv_skb+0x130/0x360 [ 634.833202][ T10] netlink_unicast+0x449/0x710 [ 634.833202][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.833202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.833202][ T10] ___sys_sendmsg+0xee/0x170 [ 634.833202][ T10] __sys_sendmsg+0xcd/0x170 [ 634.833202][ T10] do_syscall_64+0xc6/0x1e0 [ 634.833202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.833202][ T10] [ 634.835654][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 634.835654][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 634.835654][ T10] ipv6_find_idev+0x102/0x170 [ 634.835654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.835654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.835654][ T10] netlink_rcv_skb+0x130/0x360 [ 634.835654][ T10] netlink_unicast+0x449/0x710 [ 634.835654][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.835654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.835654][ T10] ___sys_sendmsg+0xee/0x170 [ 634.835654][ T10] __sys_sendmsg+0xcd/0x170 [ 634.835654][ T10] do_syscall_64+0xc6/0x1e0 [ 634.835654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.835654][ T10] [ 634.837587][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 634.837587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 634.837587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 634.837587][ T10] ipv6_find_idev+0x102/0x170 [ 634.837587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 634.837587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 634.837587][ T10] netlink_rcv_skb+0x130/0x360 [ 634.837587][ T10] netlink_unicast+0x449/0x710 [ 634.837587][ T10] netlink_sendmsg+0x723/0xbe0 [ 634.837587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 634.837587][ T10] ___sys_sendmsg+0xee/0x170 [ 634.837587][ T10] __sys_sendmsg+0xcd/0x170 [ 634.837587][ T10] do_syscall_64+0xc6/0x1e0 [ 634.837587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 634.837587][ T10] [ 644.923750][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 644.924262][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 644.924262][ T10] netdev_get_by_index+0x5e/0x80 [ 644.924262][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.924262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.924262][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.924262][ T10] ipv6_add_addr+0x411/0x2000 [ 644.924262][ T10] inet6_addr_add+0x30e/0xa40 [ 644.924262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.924262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.924262][ T10] netlink_rcv_skb+0x130/0x360 [ 644.924262][ T10] netlink_unicast+0x449/0x710 [ 644.924262][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.924262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.924262][ T10] ___sys_sendmsg+0xee/0x170 [ 644.924262][ T10] __sys_sendmsg+0xcd/0x170 [ 644.924262][ T10] do_syscall_64+0xc6/0x1e0 [ 644.924262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.924262][ T10] [ 644.926546][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 644.926546][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.926546][ T10] ipv6_find_idev+0x102/0x170 [ 644.926546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.926546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.926546][ T10] netlink_rcv_skb+0x130/0x360 [ 644.926546][ T10] netlink_unicast+0x449/0x710 [ 644.926546][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.926546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.926546][ T10] ___sys_sendmsg+0xee/0x170 [ 644.926546][ T10] __sys_sendmsg+0xcd/0x170 [ 644.926546][ T10] do_syscall_64+0xc6/0x1e0 [ 644.926546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.926546][ T10] [ 644.928295][ T10] ref_tracker: ns1eth4@ffff888005bd95c0 has 1/3 users at [ 644.928295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.928295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.928295][ T10] ipv6_find_idev+0x102/0x170 [ 644.928295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.928295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.928295][ T10] netlink_rcv_skb+0x130/0x360 [ 644.928295][ T10] netlink_unicast+0x449/0x710 [ 644.928295][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.928295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.928295][ T10] ___sys_sendmsg+0xee/0x170 [ 644.928295][ T10] __sys_sendmsg+0xcd/0x170 [ 644.928295][ T10] do_syscall_64+0xc6/0x1e0 [ 644.928295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.928295][ T10] [ 644.930225][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 644.930524][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 644.930524][ T10] netdev_get_by_index+0x5e/0x80 [ 644.930524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.930524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.930524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.930524][ T10] ipv6_add_addr+0x411/0x2000 [ 644.930524][ T10] inet6_addr_add+0x30e/0xa40 [ 644.930524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.930524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.930524][ T10] netlink_rcv_skb+0x130/0x360 [ 644.930524][ T10] netlink_unicast+0x449/0x710 [ 644.930524][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.930524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.930524][ T10] ___sys_sendmsg+0xee/0x170 [ 644.930524][ T10] __sys_sendmsg+0xcd/0x170 [ 644.930524][ T10] do_syscall_64+0xc6/0x1e0 [ 644.930524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.930524][ T10] [ 644.932774][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 644.932774][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.932774][ T10] ipv6_find_idev+0x102/0x170 [ 644.932774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.932774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.932774][ T10] netlink_rcv_skb+0x130/0x360 [ 644.932774][ T10] netlink_unicast+0x449/0x710 [ 644.932774][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.932774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.932774][ T10] ___sys_sendmsg+0xee/0x170 [ 644.932774][ T10] __sys_sendmsg+0xcd/0x170 [ 644.932774][ T10] do_syscall_64+0xc6/0x1e0 [ 644.932774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.932774][ T10] [ 644.934522][ T10] ref_tracker: ns2eth4@ffff888007d895c0 has 1/3 users at [ 644.934522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.934522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.934522][ T10] ipv6_find_idev+0x102/0x170 [ 644.934522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.934522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.934522][ T10] netlink_rcv_skb+0x130/0x360 [ 644.934522][ T10] netlink_unicast+0x449/0x710 [ 644.934522][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.934522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.934522][ T10] ___sys_sendmsg+0xee/0x170 [ 644.934522][ T10] __sys_sendmsg+0xcd/0x170 [ 644.934522][ T10] do_syscall_64+0xc6/0x1e0 [ 644.934522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.934522][ T10] [ 644.936419][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 644.936730][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 644.936730][ T10] netdev_get_by_index+0x5e/0x80 [ 644.936730][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.936730][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.936730][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.936730][ T10] ipv6_add_addr+0x411/0x2000 [ 644.936730][ T10] inet6_addr_add+0x30e/0xa40 [ 644.936730][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.936730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.936730][ T10] netlink_rcv_skb+0x130/0x360 [ 644.936730][ T10] netlink_unicast+0x449/0x710 [ 644.936730][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.936730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.936730][ T10] ___sys_sendmsg+0xee/0x170 [ 644.936730][ T10] __sys_sendmsg+0xcd/0x170 [ 644.936730][ T10] do_syscall_64+0xc6/0x1e0 [ 644.936730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.936730][ T10] [ 644.938997][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 644.938997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.938997][ T10] ipv6_find_idev+0x102/0x170 [ 644.938997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.938997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.938997][ T10] netlink_rcv_skb+0x130/0x360 [ 644.938997][ T10] netlink_unicast+0x449/0x710 [ 644.938997][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.938997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.938997][ T10] ___sys_sendmsg+0xee/0x170 [ 644.938997][ T10] __sys_sendmsg+0xcd/0x170 [ 644.938997][ T10] do_syscall_64+0xc6/0x1e0 [ 644.938997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.938997][ T10] [ 644.940750][ T10] ref_tracker: ns1eth3@ffff888007b815c0 has 1/3 users at [ 644.940750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.940750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.940750][ T10] ipv6_find_idev+0x102/0x170 [ 644.940750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.940750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.940750][ T10] netlink_rcv_skb+0x130/0x360 [ 644.940750][ T10] netlink_unicast+0x449/0x710 [ 644.940750][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.940750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.940750][ T10] ___sys_sendmsg+0xee/0x170 [ 644.940750][ T10] __sys_sendmsg+0xcd/0x170 [ 644.940750][ T10] do_syscall_64+0xc6/0x1e0 [ 644.940750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.940750][ T10] [ 644.942670][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 644.942979][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 644.942979][ T10] netdev_get_by_index+0x5e/0x80 [ 644.942979][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.942979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.942979][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.942979][ T10] ipv6_add_addr+0x411/0x2000 [ 644.942979][ T10] inet6_addr_add+0x30e/0xa40 [ 644.942979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.942979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.942979][ T10] netlink_rcv_skb+0x130/0x360 [ 644.942979][ T10] netlink_unicast+0x449/0x710 [ 644.942979][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.942979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.942979][ T10] ___sys_sendmsg+0xee/0x170 [ 644.942979][ T10] __sys_sendmsg+0xcd/0x170 [ 644.942979][ T10] do_syscall_64+0xc6/0x1e0 [ 644.942979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.942979][ T10] [ 644.945254][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 644.945254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.945254][ T10] ipv6_find_idev+0x102/0x170 [ 644.945254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.945254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.945254][ T10] netlink_rcv_skb+0x130/0x360 [ 644.945254][ T10] netlink_unicast+0x449/0x710 [ 644.945254][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.945254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.945254][ T10] ___sys_sendmsg+0xee/0x170 [ 644.945254][ T10] __sys_sendmsg+0xcd/0x170 [ 644.945254][ T10] do_syscall_64+0xc6/0x1e0 [ 644.945254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.945254][ T10] [ 644.946990][ T10] ref_tracker: ns2eth3@ffff888007b845c0 has 1/3 users at [ 644.946990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.946990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.946990][ T10] ipv6_find_idev+0x102/0x170 [ 644.946990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.946990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.946990][ T10] netlink_rcv_skb+0x130/0x360 [ 644.946990][ T10] netlink_unicast+0x449/0x710 [ 644.946990][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.946990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.946990][ T10] ___sys_sendmsg+0xee/0x170 [ 644.946990][ T10] __sys_sendmsg+0xcd/0x170 [ 644.946990][ T10] do_syscall_64+0xc6/0x1e0 [ 644.946990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.946990][ T10] [ 644.949310][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 644.950050][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 644.950050][ T10] netdev_get_by_index+0x5e/0x80 [ 644.950050][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.950050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.950050][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.950050][ T10] ipv6_add_addr+0x411/0x2000 [ 644.950050][ T10] inet6_addr_add+0x30e/0xa40 [ 644.950050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.950050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.950050][ T10] netlink_rcv_skb+0x130/0x360 [ 644.950050][ T10] netlink_unicast+0x449/0x710 [ 644.950050][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.950050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.950050][ T10] ___sys_sendmsg+0xee/0x170 [ 644.950050][ T10] __sys_sendmsg+0xcd/0x170 [ 644.950050][ T10] do_syscall_64+0xc6/0x1e0 [ 644.950050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.950050][ T10] [ 644.952294][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 644.952294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.952294][ T10] ipv6_find_idev+0x102/0x170 [ 644.952294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.952294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.952294][ T10] netlink_rcv_skb+0x130/0x360 [ 644.952294][ T10] netlink_unicast+0x449/0x710 [ 644.952294][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.952294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.952294][ T10] ___sys_sendmsg+0xee/0x170 [ 644.952294][ T10] __sys_sendmsg+0xcd/0x170 [ 644.952294][ T10] do_syscall_64+0xc6/0x1e0 [ 644.952294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.952294][ T10] [ 644.954031][ T10] ref_tracker: ns1eth2@ffff888004dcc5c0 has 1/3 users at [ 644.954031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.954031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.954031][ T10] ipv6_find_idev+0x102/0x170 [ 644.954031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.954031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.954031][ T10] netlink_rcv_skb+0x130/0x360 [ 644.954031][ T10] netlink_unicast+0x449/0x710 [ 644.954031][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.954031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.954031][ T10] ___sys_sendmsg+0xee/0x170 [ 644.954031][ T10] __sys_sendmsg+0xcd/0x170 [ 644.954031][ T10] do_syscall_64+0xc6/0x1e0 [ 644.954031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.954031][ T10] [ 644.955968][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 644.956309][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 644.956309][ T10] netdev_get_by_index+0x5e/0x80 [ 644.956309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.956309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.956309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.956309][ T10] ipv6_add_addr+0x411/0x2000 [ 644.956309][ T10] inet6_addr_add+0x30e/0xa40 [ 644.956309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.956309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.956309][ T10] netlink_rcv_skb+0x130/0x360 [ 644.956309][ T10] netlink_unicast+0x449/0x710 [ 644.956309][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.956309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.956309][ T10] ___sys_sendmsg+0xee/0x170 [ 644.956309][ T10] __sys_sendmsg+0xcd/0x170 [ 644.956309][ T10] do_syscall_64+0xc6/0x1e0 [ 644.956309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.956309][ T10] [ 644.958584][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 644.958584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.958584][ T10] ipv6_find_idev+0x102/0x170 [ 644.958584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.958584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.958584][ T10] netlink_rcv_skb+0x130/0x360 [ 644.958584][ T10] netlink_unicast+0x449/0x710 [ 644.958584][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.958584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.958584][ T10] ___sys_sendmsg+0xee/0x170 [ 644.958584][ T10] __sys_sendmsg+0xcd/0x170 [ 644.958584][ T10] do_syscall_64+0xc6/0x1e0 [ 644.958584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.958584][ T10] [ 644.960329][ T10] ref_tracker: ns2eth2@ffff88803c16c5c0 has 1/3 users at [ 644.960329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.960329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.960329][ T10] ipv6_find_idev+0x102/0x170 [ 644.960329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.960329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.960329][ T10] netlink_rcv_skb+0x130/0x360 [ 644.960329][ T10] netlink_unicast+0x449/0x710 [ 644.960329][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.960329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.960329][ T10] ___sys_sendmsg+0xee/0x170 [ 644.960329][ T10] __sys_sendmsg+0xcd/0x170 [ 644.960329][ T10] do_syscall_64+0xc6/0x1e0 [ 644.960329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.960329][ T10] [ 644.962408][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 644.962759][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 644.962759][ T10] netdev_get_by_index+0x5e/0x80 [ 644.962759][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.962759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.962759][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.962759][ T10] ipv6_add_addr+0x411/0x2000 [ 644.962759][ T10] inet6_addr_add+0x30e/0xa40 [ 644.962759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.962759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.962759][ T10] netlink_rcv_skb+0x130/0x360 [ 644.962759][ T10] netlink_unicast+0x449/0x710 [ 644.962759][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.962759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.962759][ T10] ___sys_sendmsg+0xee/0x170 [ 644.962759][ T10] __sys_sendmsg+0xcd/0x170 [ 644.962759][ T10] do_syscall_64+0xc6/0x1e0 [ 644.962759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.962759][ T10] [ 644.965176][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 644.965176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.965176][ T10] ipv6_find_idev+0x102/0x170 [ 644.965176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.965176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.965176][ T10] netlink_rcv_skb+0x130/0x360 [ 644.965176][ T10] netlink_unicast+0x449/0x710 [ 644.965176][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.965176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.965176][ T10] ___sys_sendmsg+0xee/0x170 [ 644.965176][ T10] __sys_sendmsg+0xcd/0x170 [ 644.965176][ T10] do_syscall_64+0xc6/0x1e0 [ 644.965176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.965176][ T10] [ 644.967099][ T10] ref_tracker: ns1eth1@ffff888007b695c0 has 1/3 users at [ 644.967099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.967099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.967099][ T10] ipv6_find_idev+0x102/0x170 [ 644.967099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.967099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.967099][ T10] netlink_rcv_skb+0x130/0x360 [ 644.967099][ T10] netlink_unicast+0x449/0x710 [ 644.967099][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.967099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.967099][ T10] ___sys_sendmsg+0xee/0x170 [ 644.967099][ T10] __sys_sendmsg+0xcd/0x170 [ 644.967099][ T10] do_syscall_64+0xc6/0x1e0 [ 644.967099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.967099][ T10] [ 644.969240][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 644.969584][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 644.969584][ T10] netdev_get_by_index+0x5e/0x80 [ 644.969584][ T10] fib6_nh_init+0x3d8/0x15b0 [ 644.969584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 644.969584][ T10] addrconf_f6i_alloc+0x244/0x410 [ 644.969584][ T10] ipv6_add_addr+0x411/0x2000 [ 644.969584][ T10] inet6_addr_add+0x30e/0xa40 [ 644.969584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 644.969584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.969584][ T10] netlink_rcv_skb+0x130/0x360 [ 644.969584][ T10] netlink_unicast+0x449/0x710 [ 644.969584][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.969584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.969584][ T10] ___sys_sendmsg+0xee/0x170 [ 644.969584][ T10] __sys_sendmsg+0xcd/0x170 [ 644.969584][ T10] do_syscall_64+0xc6/0x1e0 [ 644.969584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.969584][ T10] [ 644.971992][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 644.971992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 644.971992][ T10] ipv6_find_idev+0x102/0x170 [ 644.971992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.971992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.971992][ T10] netlink_rcv_skb+0x130/0x360 [ 644.971992][ T10] netlink_unicast+0x449/0x710 [ 644.971992][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.971992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.971992][ T10] ___sys_sendmsg+0xee/0x170 [ 644.971992][ T10] __sys_sendmsg+0xcd/0x170 [ 644.971992][ T10] do_syscall_64+0xc6/0x1e0 [ 644.971992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.971992][ T10] [ 644.973855][ T10] ref_tracker: ns2eth1@ffff8880058915c0 has 1/3 users at [ 644.973855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 644.973855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 644.973855][ T10] ipv6_find_idev+0x102/0x170 [ 644.973855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 644.973855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 644.973855][ T10] netlink_rcv_skb+0x130/0x360 [ 644.973855][ T10] netlink_unicast+0x449/0x710 [ 644.973855][ T10] netlink_sendmsg+0x723/0xbe0 [ 644.973855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 644.973855][ T10] ___sys_sendmsg+0xee/0x170 [ 644.973855][ T10] __sys_sendmsg+0xcd/0x170 [ 644.973855][ T10] do_syscall_64+0xc6/0x1e0 [ 644.973855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 644.973855][ T10]